3.7L / 4.0L Transmission Upgrades
Yukon Gear & Axle 9.25 Front Axle 1555 U and Joint (AAM): Dodge Ram 1500 / 2500 / 3500 2003 - 2026
Yukon Gear & Axle
$130.89
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Yukon Gear & Axle Standard Open Carrier Case for 97 and Up 8.25in Rear 29 Spline 2.56 and Up: Dodge Ram 1500 / 2500 / Dakota / Durango 1992 - 2010
Yukon Gear & Axle
$481.29
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Yukon Gear & Axle High Performance Gear Set Front 9.25in 3.42 Ratio: Dodge Ram 1500 / 2500 / 3500 2003 - 2013
Yukon Gear & Axle
$615.12
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Yukon Gear & Axle Pinion Install Kit for 9.25in Front Diff: Dodge Ram 1500 / 2500 / 3500 2003 - 2018
Yukon Gear & Axle
$304.91
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Yukon Gear & Axle C9.25 Aam and Front Beam Axle Open Loaded Carrier: Dodge Ram 1500 / 2500 / 3500 2003 - 2016
Yukon Gear & Axle
$451.20
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Yukon Gear & Axle Rear Axle Seal 8.25in 9.25in: Ram 1500 / Dakota / Durango 3.7L V6 & 5.7L Hemi 2004 - 2010
Yukon Gear & Axle
$49.89
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Yukon Gear & Axle 9.25in -down Open Loaded Carrier Case: Dodge Ram 1500 / 2500 / Dakota / Durango 1994 - 2010
Yukon Gear & Axle
$457.42
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Yukon Gear & Axle Carrier Case for 925Zf Rear Loaded with Spider Gears: Dodge Ram 1500 2010 - 2024
Yukon Gear & Axle
$503.07
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Yukon Gear & Axle 8.0in IFS Right Inner Disconnect Axle 29/16 Spline: Dodge Ram 1500 3.6L / 3.7L / 5.7L / 8.3L 2006 - 2011
Yukon Gear & Axle
$177.96
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Yukon Gear & Axle Ring and Pinion Install Kit 9.25in Chrysler Rear 3.21 Ratio 1.62in. ID Axle Bearings and Seal: Dodge / Ram 1994 - 2010
Yukon Gear & Axle
$903.06
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Yukon Gear & Axle 9.25in Chrysler 3.91 Rear Ring and Pinion Install Kit 1.705in Axle Bearings and Seal: Dodge Ram 1500 / Durango 3.7L V6 & 5.7L Hemi 2004 - 2010
Yukon Gear & Axle
$1,018.89
- Unit price
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Yukon Gear & Axle 9.25in Chrysler 3.91 Rear Ring and Pinion Install Kit 1.62in ID Axle Bearings and Seal: Dodge / Ram 1994 - 2010
Yukon Gear & Axle
$946.21
- Unit price
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Yukon Gear & Axle Rear Ring & Pinion Install Kit (REAR): Fits Most Dodge/Jeep 6.1L/5.7L/3.7L (05-10) w/ Hardware
Yukon Gear & Axle
$1,428.89
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Yukon Gear & Axle 9.25in Chrysler 3.55 Rear Ring and Pinion Install Kit 1.705in Axle Bearings and Seal: Dodge Ram 1500 / Durango 3.7L V6 & 5.7L Hemi 2004 - 2010
Yukon Gear & Axle
$1,142.89
- Unit price
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Yukon Gear & Axle 9.25in Chrysler 3.21 Rear Ring and Pinion Install Kit 1.705in Axle Bearings and Seal: Dodge Ram 1500 / Durango 3.7L V6 & 5.7L Hemi 2004 - 2010
Yukon Gear & Axle
$978.89
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Yukon Gear & Axle Stub Axle Retaining Clip Snap Ring for 8.0in IFS Front: Dodge / Ram 2000 - 2011
Yukon Gear & Axle
$11.89
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Yukon Gear & Axle Right Axle Seal for Front: Dodge Ram 1500 3.6L / 3.7L / 5.7L / 8.3L 2006 - 2011
Yukon Gear & Axle
$73.21
- Unit price
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Yukon Gear & Axle Axle Stud 2-5/16in x 9: Ram 1500 / Dakota / Durango 2001 - 2010
Yukon Gear & Axle
$9.89
- Unit price
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Yukon Gear & Axle 9.25 Front Axle 1485 U and Joint (AAM): Dodge Ram 1500 / 2500 / 3500 2003 - 2016
Yukon Gear & Axle
$192.89
- Unit price
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Yukon Gear & Axle High Performance Gear Set Rear 9.25in ZF Axles 4.88 Ratio: Dodge Ram 1500 3.0L / 3.6L / 3.7L / 5.7L 2010 - 2019
Yukon Gear & Axle
$581.45
- Unit price
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Yukon Gear & Axle 44HD Master Overhaul Kit: Jeep Commander / Grand Cherokee 3.7L V6, 5.7L Hemi, 6.1L SRT8 2005 - 2010
Yukon Gear & Axle
$531.10
- Unit price
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Yukon Gear & Axle High Performance Gear Set Rear 9.25in ZF Axles 4.11 Ratio: Dodge Ram 1500 / 2500 / 3500 2003 - 2013
Yukon Gear & Axle
$609.19
- Unit price
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Yukon Gear & Axle High Performance Gear Set Front 9.25in 4.88 Ratio: Dodge Ram 1500 / 2500 / 3500 2003 - 2013
Yukon Gear & Axle
$595.89
- Unit price
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Yukon Gear & Axle High Performance Gear Set 8.0in 4.11 Ratio: Dodge / Ram 2000 - 2011
Yukon Gear & Axle
$610.97
- Unit price
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Yukon Gear & Axle High Performance Gear Set Front 9.25in 4.56 Ratio: Dodge Ram 1500 / 2500 / 3500 2003 - 2013
Yukon Gear & Axle
$609.19
- Unit price
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Yukon Gear & Axle High Performance Gear Set for 8.0in 3.90 Ratio: Dodge / Ram 2000 - 2011
Yukon Gear & Axle
$610.97
- Unit price
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Yukon Gear & Axle Minor Install Kit for 8in IFS Diff: Dodge / Ram 2000 - 2011
Yukon Gear & Axle
$167.89
- Unit price
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Yukon Gear & Axle Pinion Install Kit for 8in IFS Diff: Dodge Ram 1500 2002 - 2011
Yukon Gear & Axle
$280.61
- Unit price
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Yukon Gear & Axle High Performance Gear Set for 10.5in/4.11 Ratio: Dodge Ram 1500 / 2500 2003 - 2013
Yukon Gear & Axle
$754.07
- Unit price
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Yukon Gear & Axle Standard Open Carrier Case 10.5in: Dodge Ram 1500 / 2500 2003 - 2013
Yukon Gear & Axle
$356.03
- Unit price
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Yukon Gear & Axle Ring and Pinion Gear Set for (AWD) Front: Jeep Grand Cherokee 3.7L V6, 5.7L Hemi, 6.1L SRT8 2005 - 2010 (AWD Models)
Yukon Gear & Axle
$621.52
- Unit price
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Yukon Gear & Axle Hardcore Nodular Iron Rear Diff Cover: Fits Most Dodge/Ram (92-19) - Black
Yukon Gear & Axle
$248.89
- Unit price
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Yukon Gear & Axle 8.0in IFS Right Outer Disconnect Stub Axle 16/29 Spline: Dodge Ram 1500 3.6L / 3.7L / 5.7L / 8.3L 2006 - 2011
Yukon Gear & Axle
$257.57
- Unit price
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Yukon Gear & Axle 1541H Replacement Left Intermediate Axle for 8.0in IFS 6.26in Long: Dodge / Ram 2001 - 2011
Yukon Gear & Axle
$117.20
- Unit price
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Yukon Gear & Axle 9.25in Chrysler 3.91 Rear Ring and Pinion Install Kit 31 Spline Positraction 1.7in Axle Bearings: Dodge Ram 1500 / Durango 3.7L V6 & 5.7L Hemi 2004 - 2010
Yukon Gear & Axle
$1,977.89
- Unit price
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Yukon Gear & Axle 9.25in Chrysler 3.21 Rear Ring and Pinion Install Kit 31 Spline Positraction 1.7in Axle Bearings: Dodge Ram 1500 / Durango 3.7L V6 & 5.7L Hemi 2004 - 2010
Yukon Gear & Axle
$1,867.89
- Unit price
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Yukon Gear & Axle 9.25in Chrysler 3.91 Rear Ring and Pinion Install Kit 31 Spline Positraction 1.62in Axle Bearings: Dodge / Ram 1994 - 2010
Yukon Gear & Axle
$1,806.23
- Unit price
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Yukon Gear & Axle 8.25in/213mm Chrysler 3.07 Rear Ring and Pinion Install Kit: Dakota / Durango / Commander / Grand Cherokee 3.7L V6, 5.7L Hemi, 6.1L SRT8 2005 - 2010
Yukon Gear & Axle
$722.89
- Unit price
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Transmission Upgrades for 3.7L V6 and 4.7L V8 Mopar Engines
The 3.7L V6 and 4.7L V8 engines are well-regarded Mopar powerplants commonly found in trucks and SUVs, offering a solid balance of power and durability. Upgrading the transmission components for these engines is essential to handle increased torque demands and improve overall drivability, especially for towing or performance use.
Why Upgrade Transmission Components on 3.7L and 4.7L Engines?
Both the 3.7L and 4.7L engines generate torque levels that can challenge stock transmission parts, particularly when towing heavy loads or modifying for performance. Upgrading transmission components enhances shift quality, increases torque capacity, and extends the life of your drivetrain under demanding conditions.
- Improved clutch packs and friction materials for better torque handling
- Upgraded torque converters for smoother power delivery
- Enhanced valve bodies to refine shift timing and feel
- Stronger internal components to resist wear and failure
Key Considerations When Selecting Transmission Upgrades
Choosing the right transmission upgrades for your 3.7L or 4.7L engine depends on your vehicle’s use and power goals. For towing, prioritize durability and heat resistance, while performance builds benefit from quicker, firmer shifts. Compatibility with your specific transmission model is critical to ensure proper fit and function.
Shop 3.7L and 4.7L Transmission Upgrades at FastHemis
FastHemis offers a range of transmission upgrade parts tailored specifically for the 3.7L V6 and 4.7L V8 Mopar engines. Whether you need upgraded clutches, torque converters, or valve bodies, our selection helps you improve drivability and reliability. Browse our collection to find the right components for your transmission upgrade project.