When selecting a second alternator kit for a Ford Transit, the goal is to boost electrical capacity without sacrificing reliability or ease of installation. The SB Parts New Alternator stands out as the overall best choice for its high amperage and compatibility with recent models. The Bosch AL7656N Premium Alternator offers a solid balance of quality and performance, making it ideal for those seeking durability. Meanwhile, some kits may trade off ease of installation or cost for higher output, which can be a challenge for DIYers or budget-conscious buyers. Continue reading to explore the full breakdown of these options and find the best fit for your Transit setup.
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Key Takeaways
- High amperage output is common among top picks, but not all kits are compatible with every Transit model year.
- Durability and build quality vary, with premium brands like Bosch offering longer-lasting components.
- Ease of installation differs; some kits require professional wiring while others are straightforward DIY upgrades.
- Price ranges reflect differences in component quality, amperage, and included accessories.
- Compatibility across different Transit models and years is essential to avoid fitting issues or electrical problems.
| SB Parts New Alternator Compatible with Ford Transit-150, Transit-250, Transit-350, and Police Interceptor Utility (2020-2023) 250 Amp |  | Best for Demanding Electrical Systems | Amperage: 250A | Rotation: CW | Groove Pulley: SD6 | VIEW ON AMAZON | See Our Full Breakdown |
| Bosch AL7656N Premium 150 Amp Alternator |  | Best for Reliability in Extreme Conditions | Amp Rating: 150 Amp | Components: 100% new components | Compatibility: Specific late-model applications | VIEW ON AMAZON | See Our Full Breakdown |
| Alternator Compatible with Ford Transit-150/250/350/350 HD 2015-2026 V6 3.5L 3.7L |  | Best for Wide Model Compatibility | Interchange No.: A003TV1391, A003TV1391ZC, A3TV1391, A3TV1391ZC, CK4Z-10346-B, CK4Z-10346-C, CK4Z-10346-D, GL-8838 | Vehicle Compatibility: Ford Transit-150/250/350/350 HD 2015-2026 | Weight: 15.94 pounds | VIEW ON AMAZON | See Our Full Breakdown |
| OEG Parts New Alternator Compatible With Ford Transit-350 HD 3.7L (2015-2018) |  | Best for Specific Heavy-Duty Applications | Voltage: 12V | Amperage: 250A | Rotation: CW | VIEW ON AMAZON | See Our Full Breakdown |
| SCITOO 20384 Alternator 12V 150A for Ford Transit-150 (2015-2019) |  | Best for OEM Replacement and Easy Install | Voltage: 12V | Amperage: 150A | Rotation: CW | VIEW ON AMAZON | See Our Full Breakdown |
| A-Premium Alternator for Ford Transit Connect 2014-2018 2.5L 12V 175A 4-Groove |  | Best Overall for Durability and Compatibility | Voltage: 12V | Amperage: 175A | Rotation: Clockwise | VIEW ON AMAZON | See Our Full Breakdown |
| ROADFAR Alternator Compatible with Ford Transit-150 (2015-2019) |  | Best for Extreme Temperature Durability | Voltage: 12V | Amperage: 150A | Rotation: Clockwise | VIEW ON AMAZON | See Our Full Breakdown |
| Alternator for Ford Transit 150 2015-2019 |  | Best for Direct Fit and Industry Standards | Fitment: Ford Transit 150/250/350 2015-2019 | Part Number: 907482733 | Amperage Rating: 150A | VIEW ON AMAZON | See Our Full Breakdown |
| SB Parts OEM Alternator Compatible with Ford Transit-150, 250, 350 (2020-2023) Police Interceptor Utility 3.3L & 3.5L |  | Best for Heavy-Duty and Police Applications | Manufacturer: SB Parts | Model: 11891OE | Item Weight: 16.33 pounds | VIEW ON AMAZON | See Our Full Breakdown |
| second alternator kits for ford transit | Amperage | Rotation | Voltage |
|---|---|---|---|
| SB Parts New Alternator Compat | 250A | CW | — |
| Bosch AL7656N Premium 150 Amp | — | — | — |
| Alternator Compatible with For | — | — | — |
| OEG Parts New Alternator Compa | 250A | CW | 12V |
| SCITOO 20384 Alternator 12V 15 | 150A | CW | 12V |
| A-Premium Alternator for Ford | 175A | Clockwise | 12V |
| ROADFAR Alternator Compatible | 150A | Clockwise | 12V |
| Alternator for Ford Transit 15 | — | — | 14V |
| SB Parts OEM Alternator Compat | — | — | — |
More Details on Our Top Picks
SB Parts New Alternator Compatible with Ford Transit-150, Transit-250, Transit-350, and Police Interceptor Utility (2020-2023) 250 Amp
This alternator stands out for its high 250 Amp output, making it ideal for vehicles with extensive electrical needs, such as those with auxiliary systems or aftermarket upgrades. Compared with the OEG Parts Alternator, which offers a slightly lower amperage, this unit is better suited for heavy-duty applications but requires more careful compatibility checks. Its durable build and groove pulley ensure reliable performance over time, though installation may require professional help and compatibility verification. Its broad vehicle compatibility from 2020-2023 makes it adaptable, but the lack of detailed warranty info could be a concern for some.
Pros:- High 250 Amp output for demanding electrical loads
- Compatible with a wide range of Ford Transit models (2020-2023)
- Durable construction with reliable performance
Cons:- Requires compatibility verification with specific vehicle configurations
- Installation may need professional assistance due to complexity
- No detailed warranty or return policy info
Best for: Owners with high electrical demands or aftermarket accessories that need a robust charging solution.
Not ideal for: Casual drivers with stock electrical systems who won’t utilize the extra amperage and prefer simpler installations.
- Amperage:250A
- Rotation:CW
- Groove Pulley:SD6
- Compatible Vehicles:Ford Transit-150, Transit-250, Transit-350, Police Interceptor Utility
- Years:2020-2023
- Engine Types:V6 3.3L, V6 3.5L FLEX, GAS, Turbocharged, FULL HYBRID EV-GAS
Our verdict“This alternator is best for owners who need maximum power capacity and are comfortable handling more complex installations.”
Bosch AL7656N Premium 150 Amp Alternator
The Bosch AL7656N excels in providing consistent, long-lasting performance, especially under extreme temperatures, thanks to its advanced engineering and high-quality components. Compared to the SCITOO 150A Alternator, which is more budget-friendly, Bosch’s unit offers longer bearing life and a reputation for OEM-level durability, making it a better choice for those prioritizing longevity. Its design ensures reliable charging, but it’s not suitable for dead battery situations and requires proper installation knowledge. This model is perfect for owners seeking a dependable upgrade that can withstand harsh environments.
Pros:- Reliable performance across extreme temperatures
- Longer-lasting bearings with advanced engineering
- Uses original quality components for durability
Cons:- Requires proper battery charge before installation
- Installation may need technical expertise
- Not suitable for charging dead batteries
Best for: Owners in extreme climates or demanding conditions who prioritize durability and longevity.
Not ideal for: Casual users or those with basic electrical needs, as the premium features may be more than necessary.
- Amp Rating:150 Amp
- Components:100% new components
- Compatibility:Specific late-model applications
- Bearing Life:Up to 30% longer
Our verdict“This alternator suits owners seeking a durable, high-quality component for challenging environments.”
Alternator Compatible with Ford Transit-150/250/350/350 HD 2015-2026 V6 3.5L 3.7L
This brand new ALTMALL alternator offers comprehensive compatibility for Ford Transit models from 2015 to 2026, making it a flexible choice for owners with multiple model years. Its OE-equivalent design ensures dependable power generation, rivaling the SB Parts 250A alternator in output but with the advantage of a longer warranty. While it’s heavier and requires careful compatibility verification, this unit provides peace of mind for those needing a reliable replacement without worrying about mismatched parts. Its all-new components promise extended service life.
Pros:- Compatible across multiple model years (2015-2026)
- All new components for longer lifespan
- Includes a 1-year free replacement warranty
Cons:- Heavy at nearly 16 pounds, harder to handle
- Requires verification of OE number for compatibility
- Limited to specific Ford Transit models
Best for: Owners with several Ford Transit models spanning multiple years who want a versatile, OE-quality replacement.
Not ideal for: Owners with only a single model year or those who prefer lightweight, aftermarket options.
- Interchange No.:A003TV1391, A003TV1391ZC, A3TV1391, A3TV1391ZC, CK4Z-10346-B, CK4Z-10346-C, CK4Z-10346-D, GL-8838
- Vehicle Compatibility:Ford Transit-150/250/350/350 HD 2015-2026
- Weight:15.94 pounds
- Dimensions:9.69 x 8.07 x 7.4 inches
- Model Number:11928
Our verdict“This alternator is ideal for owners needing a reliable, long-lasting part compatible with various Ford Transit years.”
OEG Parts New Alternator Compatible With Ford Transit-350 HD 3.7L (2015-2018)
The OEG Parts alternator is tailored specifically for Ford Transit-350 HD models with a 3.7L engine from 2015 to 2018. Its high 250A output ensures it can handle heavy electrical loads, although it’s limited to this particular model and year range. Installation is straightforward for those with experience, but the absence of mounting hardware means additional parts may be needed. Compared with broader models, this pick makes the most sense for heavy-duty fleet owners or specialized users who need a direct replacement for these specific vehicles.
Pros:- High 250A output for demanding electrical needs
- Designed specifically for Transit-350 HD 3.7L (2015-2018)
- No mounting hardware required for easy installation
Cons:- Limited compatibility to specific models and years
- No mounting hardware included, extra parts needed
- No warranty details provided
Best for: Fleet owners or users with 2015-2018 Transit-350 HD models seeking a dedicated, high-output replacement.
Not ideal for: Owners of other Transit models or newer year ranges, as compatibility is limited.
- Voltage:12V
- Amperage:250A
- Rotation:CW
- Pulley Class:S6
- Pulley OD:58.2mm
- Compatible Vehicles:Ford Transit-350 HD (2015-2018)
Our verdict“This alternator fits best for owners of 2015-2018 Transit-350 HD needing a high-capacity, direct-fit replacement.”
SCITOO 20384 Alternator 12V 150A for Ford Transit-150 (2015-2019)
The SCITOO 20384 provides a reliable 150A output as a direct OEM replacement, making it a solid choice for owners seeking straightforward installation and trusted performance. While it offers less amperage than the SB Parts 250A, its compact, lightweight design with internal regulation simplifies installation and belt tensioning. Compared to the Bosch AL7656N, which offers longer bearing life, SCITOO focuses on affordability and compatibility for standard Transit-150 models from 2015-2019. It’s an ideal pick for those who want a dependable, no-frills alternator that fits easily and performs reliably.
Pros:- Reliable OEM-style replacement for Ford Transit-150
- Easy to install with no extra hardware needed
- High-quality components for durability
Cons:- Limited to 150A, less than some high-demand options
- Compatibility limited to specific model years
- Requires belt tension adjustment during installation
Best for: Owners of 2015-2019 Ford Transit-150 models needing a straightforward, OEM-quality replacement.
Not ideal for: Owners with high electrical loads or those needing the highest amperage output, as this model is limited to 150A.
- Voltage:12V
- Amperage:150A
- Rotation:CW
- Regulator:Internal
- Fan:Internal
- Grooves:6-Groove
Our verdict“This alternator is best suited for owners looking for a dependable, straightforward OEM replacement for 2015-2019 Transit-150 models.”
A-Premium Alternator for Ford Transit Connect 2014-2018 2.5L 12V 175A 4-Groove
This A-Premium alternator stands out for its broad compatibility with Ford Transit Connect models from 2014 to 2018, making it a reliable choice for those with multiple vehicle years. Its high amperage output of 175A ensures sufficient power supply for demanding electrical systems, surpassing smaller capacity options like the 150A alternatives. Made from entirely new components, it offers promising durability, although customer reviews show only moderate satisfaction averaging 3.5 stars—suggesting some variability in long-term performance. The 4-groove pulley design matches many factory setups, simplifying installation, but its weight of nearly 16 pounds can be a consideration for those seeking a lighter option. Compared to the RoadFar 150A model, this unit provides more power but comes with a shorter warranty and slightly heavier build. Overall, this pick is best suited for users needing a robust, versatile alternator that can handle varied Ford Transit Connect models without sacrificing performance.
Pros:- Compatible with multiple Ford Transit Connect years (2014-2018)
- High amperage of 175A for reliable power supply
- Constructed from 100% new components for durability
Cons:- Customer satisfaction averages only 3.5/5 stars, indicating possible long-term reliability issues
- Limited warranty of one year may not cover all potential failures
Best for: Owners of Ford Transit Connects from 2014-2018 who require a high-capacity, durable alternator for multiple vehicle years.
Not ideal for: Those seeking a lightweight, budget-friendly replacement with minimal warranty coverage or owners with uncertain compatibility beyond 2018 models.
- Voltage:12V
- Amperage:175A
- Rotation:Clockwise
- Number of Grooves:4-Groove
- Condition:New
- Weight:15.82 pounds
Our verdict“This alternator is ideal for users needing a dependable, high-capacity replacement across several Ford Transit Connect years, accepting some risk of variable customer satisfaction.”
ROADFAR Alternator Compatible with Ford Transit-150 (2015-2019)
The ROADFAR alternator is designed with enhanced circuitry and cooling features, making it a solid choice for drivers operating in harsh environments. Its 6-groove pulley and durable bearings promise longevity, especially compared to the more basic 4-groove options like the A-Premium model. However, customer reviews are concerning, with a 1-star average, indicating potential reliability issues despite the improved design. Its weight of just over 13.5 pounds makes it lighter than many competitors, but limited information on long-term performance and compatibility beyond the 2015-2019 range raises questions. Unlike the SB Parts OEM alternator, which offers OEM-grade reliability, the ROADFAR is more budget-oriented and may require additional scrutiny before purchase. This model makes the most sense for those who prioritize durability in extreme weather but should be approached cautiously given mixed reviews.
Pros:- Designed for reliable performance in extreme temperatures
- Enhanced cooling features extend lifespan
- High-quality bearings and circuitry improve durability
Cons:- Customer reviews indicate very low satisfaction (1-star rating)
- Limited information on compatibility beyond 2015-2019 models
Best for: Fleet operators or individual owners needing a cooling-enhanced alternator capable of withstanding extreme heat or cold conditions.
Not ideal for: Casual users or those concerned about long-term reliability, given the low customer satisfaction ratings and limited compatibility info.
- Voltage:12V
- Amperage:150A
- Rotation:Clockwise
- Grooves:6-Groove Pulley
- Weight:13.51 pounds
Our verdict“This alternator is suited for demanding environments where durability is paramount, but potential reliability issues warrant caution.”
Alternator for Ford Transit 150 2015-2019
This Ford Transit 150-specific alternator provides a straightforward, industry-standard replacement with a 150A rating, making it a solid choice for those seeking a plug-and-play solution. Its 7-groove pulley matches many original setups, simplifying installation compared to models with fewer grooves like the ROADFAR. The reliability of a 14V output and adherence to quality standards ensures consistent performance, but the absence of detailed warranty info and lack of user reviews makes it less transparent about long-term dependability. It does require professional installation, which could add to the total cost if you’re not experienced. Compared to the OEM SB Parts model, this offers a similar amperage but may fall short on warranty coverage and brand reputation. This pick makes the most sense for owners who prioritize a direct, industry-aligned replacement that fits multiple Transit models without the bells and whistles.
Pros:- Reliable direct-fit replacement for Ford Transit models
- Meets industry quality standards for consistent performance
- High amperage of 150A suits heavy electrical demands
Cons:- Limited warranty details and no user reviews reduce confidence
- Installation may require professional help, increasing overall cost
Best for: Professional mechanics or owners needing a reliable, direct-fit alternator for Ford Transit 150/250/350 models from 2015-2019.
Not ideal for: DIY enthusiasts seeking detailed warranty assurances or users wanting a lightweight or high-tech cooling system.
- Fitment:Ford Transit 150/250/350 2015-2019
- Part Number:907482733
- Amperage Rating:150A
- Voltage:14V
- Pulley Groove Quantity:7
Our verdict“This alternator suits professionals or owners seeking a straightforward, industry-compliant replacement without extra features.”
SB Parts OEM Alternator Compatible with Ford Transit-150, 250, 350 (2020-2023) Police Interceptor Utility 3.3L & 3.5L
This OEM-grade SB Parts alternator offers a remarkable 250A output, making it ideal for police or heavy-duty Transit applications. Its compatibility with a wide range of Ford Transit and Police Interceptor models from 2020 to 2023 ensures versatility, akin to the OEM standards of the Bosch AL7656N but with much higher amperage capacity. The 16.33-pound weight and OEM credentials suggest durability and power for demanding setups, but checking compatibility with specific vehicle configurations is necessary to avoid fitment issues. Unlike the more affordable options, this unit is aimed at professional or fleet operators who require maximum electrical capacity and reliability, especially in high-stakes environments. Its high amperage is a clear advantage over the more modest 150A options, but the lack of detailed warranty info and the potential need for professional installation could add complexity.
Pros:- High 250A amperage suitable for heavy-duty applications
- Compatible with a wide range of Ford Transit and Police Interceptor models
- OEM-grade quality ensures reliable performance under demanding conditions
Cons:- Compatibility depends on specific vehicle configurations, requiring verification
- No detailed warranty information provided
Best for: Police departments, emergency services, or fleet managers needing a heavy-duty alternator with maximum power capacity.
Not ideal for: Private owners or casual users who do not require such high amperage or who want a more budget-friendly, easy-to-install option.
- Manufacturer:SB Parts
- Model:11891OE
- Item Weight:16.33 pounds
- Package Dimensions:8.43 x 8.43 x 7.72 inches
- Item Number:11891
Our verdict“This alternator is an excellent choice for heavy-duty applications where maximum electrical output is essential, but verifying fitment is critical.”
How We Picked
The products in this roundup were selected based on performance, compatibility, build quality, and ease of installation. We prioritized kits that offer reliable amperage output suitable for various electrical loads, especially for those running additional accessories or conversions. Durability and brand reputation played a significant role, as well as customer reviews indicating straightforward installation or known issues. To ensure relevance and value, the ranking considers compatibility with different Ford Transit models from 2015 to 2026 and balances price against quality and performance. Kits that are versatile and include comprehensive wiring or mounting hardware earned higher rankings, while those with limited compatibility or lower build quality were rated lower.| second alternator kits for ford transit | Rotation |
|---|---|
| SB Parts New Alternator Compat | CW |
| Bosch AL7656N Premium 150 Amp | — |
| Alternator Compatible with For | — |
| OEG Parts New Alternator Compa | CW |
| SCITOO 20384 Alternator 12V 15 | CW |
| A-Premium Alternator for Ford | Clockwise |
| ROADFAR Alternator Compatible | Clockwise |
| Alternator for Ford Transit 15 | — |
| SB Parts OEM Alternator Compat | — |
Factors to Consider When Choosing Second Alternator Kits For Ford Transit
Choosing the right second alternator kit for your Ford Transit requires evaluating several key factors. While capacity and compatibility are critical, other considerations such as installation complexity, durability, and overall value can influence your decision. Understanding these broader aspects will help you select a kit that not only meets your current needs but also offers reliable performance over time.Compatibility and Model Year Fit
Ensuring the alternator kit matches your Ford Transit’s specific model year and engine configuration is fundamental. Many kits are designed for certain years or engine types, and mismatched parts can lead to installation issues or electrical failures. Always verify the product details for compatibility with your vehicle to avoid costly mistakes or delays.
Amperage Output and Power Needs
The primary reason for installing a second alternator is to increase electrical capacity. Consider your power demands—if you run multiple accessories, lighting, or conversion equipment, opt for a kit with higher amperage output. However, higher output units may require more robust mounting or wiring, which could add complexity or cost.
Ease of Installation
Some kits are designed for straightforward DIY installs, with all necessary hardware and clear instructions, while others may require professional wiring or custom mounting brackets. Your skill level and available tools should influence your choice. Investing in a kit with clear instructions and all necessary components can save time and prevent frustration.
Build Quality and Brand Reputation
Durability matters, especially for a critical component like an alternator. Reputable brands like Bosch provide longer-lasting parts with proven reliability, reducing the risk of failure. Cheaper or lesser-known brands might save money upfront but can lead to more frequent replacements and maintenance costs down the line.
Price and Value
Price points vary widely, often reflecting differences in amperage, brand reputation, and included accessories. While a lower-cost kit may seem attractive, it might lack durability or compatibility. Balancing cost with expected longevity and performance is key—sometimes investing a bit more upfront results in better long-term value.
Frequently Asked Questions
Can I install a second alternator kit myself?
Yes, if you have basic mechanical skills and some electrical knowledge, many kits are designed with DIY installation in mind. However, wiring and mounting can be complex, especially with high amperage units that require proper grounding and circuit protection. For those unsure, professional installation can ensure safety and correct operation, avoiding potential electrical issues.
Will a higher amperage alternator damage my vehicle’s electrical system?
Not necessarily. A high-quality, properly installed second alternator designed for your vehicle’s power needs should not damage your electrical system. It’s important to match the alternator’s output with your vehicle’s capacity and avoid exceeding the system’s limits. Consulting a professional or following manufacturer specifications helps prevent overloads or electrical failures.
Are all second alternator kits compatible with 2020-2026 Ford Transits?
Most kits specify compatible model years, but not all are suitable for the latest Ford Transit models without modifications. Always check the product details and verify compatibility with your specific year and engine configuration. Some newer models may require additional brackets or wiring adapters, so verify these details before purchasing.
Premium brands like Bosch typically offer higher durability, better build quality, and more reliable performance over time. Their components are tested extensively for longevity and often come with warranties. While they may cost more upfront, the investment can pay off through reduced maintenance and longer-lasting operation, especially for heavy-duty or commercial use.
What should I consider if I want to add a second alternator for a camper conversion?
For a camper conversion, capacity and reliability are key. You’ll want a kit that provides enough amperage to power appliances, lighting, and other accessories without overloading your vehicle’s electrical system. Ease of installation and future expandability are also important—look for kits with comprehensive wiring, solid mounting options, and support for upgrading if your power needs grow.
Conclusion
For general use and those seeking a reliable upgrade, the SB Parts New Alternator offers impressive amperage and compatibility, making it the best overall choice. Budget-conscious buyers or DIY enthusiasts will find the SCITOO 20384 Alternator or ROADFAR Alternator appealing for their affordability and straightforward install. For those prioritizing durability and long-term performance, the Bosch AL7656N Premium Alternator stands out as a premium pick. Beginners or less experienced users should lean toward kits with comprehensive instructions, while professionals or heavy-duty users might prefer higher amperage models designed for continuous operation. Ultimately, selecting the right kit depends on your specific vehicle model, electrical demands, and budget, but these options provide a strong starting point for any Ford Transit owner.
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