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3.7L / 4.0L Transmission Upgrades

3.7L and 4.0L Engine Transmission Upgrades The 3.7L V6 and 4.0L inline-6 engines are known for their durability and solid performance in various Mopar applications. These engines benefit greatly from transmission upgrades that enhance shifting reliability and handle increased power demands, especially in off-road or towing scenarios. In this collection, you’ll find transmission-specific parts designed to improve the strength and longevity of your drivetrain. Whether you’re looking to upgrade clutches, torque converters, valve bodies, or other key components, these transmission upgrades help maintain smooth shifting and reduce wear under stress. Key benefits of upgrading your 3.7L / 4.0L transmissions include: - Enhanced shift quality and responsiveness - Increased durability for heavy-duty use - Improved torque handling capability - Better overall drivetrain reliability Shop 3.7L / 4.0L transmission upgrades at FastHemis.
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110 Results

Yukon 8.25in/213mm CHY 4.11 Rear Ring & Pinion Install Kit 29 Spline Positraction
Yukon 8.25in/213mm CHY 4.11 Rear Ring & Pinion Install Kit 29 Spline Positraction
PPE MicroPure Spin-On Transmission Fluid Filter: Dodge Ram (07-24)
PPE MicroPure Spin-On Transmission Fluid Filter: Dodge Ram (07-24)
usa

PPE MicroPure Spin-On Transmission Fluid Filter: Dodge Ram (07-24)

PPE

Regular price $19.99 $17.99 10% off

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PPE Transmission Fluid Bypass Valve: Fits Most Hemi Models
PPE Transmission Fluid Bypass Valve: Fits Most Hemi Models
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PPE Transmission Fluid Bypass Valve: Fits Chrysler / Dodge / Jeep / Ram (05-23)

PPE

Regular price $79.99 $71.99 10% off

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PPE Release Valve Shim Kit: Ram (08-09)
usa

PPE Release Valve Shim Kit: Ram (08-09)

PPE

$9.99

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PPE Transmission Fluid Bypass Valve: Jeep JK (12-18) / Ram 1500 (12-18)
PPE Transmission Fluid Bypass Valve: Jeep JK (12-18) / Ram 1500 (12-18)
usa

PPE Transmission Fluid Bypass Valve: Jeep JK (12-18) / Ram 1500 (12-18)

PPE

Regular price $79.99 $71.99 10% off

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PPE Heavy-Duty Cast Aluminum Front Differential Cover (FRONT): Dodge Ram (03-13)
PPE Heavy-Duty Cast Aluminum Front Differential Cover (FRONT): Dodge Ram (03-13)
usa

PPE Heavy-Duty Cast Aluminum Front Differential Cover (FRONT): Dodge Ram (03-13)

PPE

Regular price from $287.99 Up to 10% off

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PPE Rear Differential Cover: Chevrolet Silverado
PPE Rear Differential Cover: Chevrolet Silverado
usa

PPE Rear Diff Cover: Fits Chevrolet / GMC / Dodge / Ram (01-19) w/ Hardware

PPE

Regular price from $287.99 Up to 10% off

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PPE Heavy-Duty Cast Aluminum Transmission Pan: Fits Most Hemi Models
PPE Heavy-Duty Cast Aluminum Transmission Pan: Fits Most Hemi Models
usa

PPE HD Cast Aluminum Transmission Pan: Fits Chrysler / Dodge / Jeep (05-26)

PPE

Regular price from $269.99 Up to 10% off

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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.

SELECT YOUR VEHICLE