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4.7L /5.2L / 5.9L Engine Upgrades

4.7L, 5.2L, and 5.9L engines represent the heart of classic Mopar trucks and SUVs, known for their durability and torque. Whether you’re working on a 5.9L Magnum 360 or its 4.7L and 5.2L counterparts, these engines provide a solid foundation for reliable daily driving and bolt-on performance upgrades. At FastHemis, you’ll find a selection of parts designed to maintain and enhance these legacy powerplants. From ignition and fuel system upgrades to bolt-on performance components, our parts help improve throttle response, increase torque, and extend engine life. These upgrades are ideal for Ram trucks, Dakotas, and Durangos that demand dependable power and classic Mopar character. Popular upgrades for 4.7L / 5.2L / 5.9L engines include: - Ignition and fuel delivery enhancements - Performance intake and exhaust components - Durable maintenance parts for long-term reliability - Torque-focused bolt-on upgrades Shop 4.7L / 5.2L / 5.9L engine upgrades at FastHemis.
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529 Results

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: Fits Dodge / Chrysler / Ram (05-14)

Diablo Sport
4.8 (8)

Regular price $535.95 $475.95 11% off

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per 

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2025
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2025
usa

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2025

American Brother Designs
4.5 (2)

Regular price $101.49 $69.00 32% off

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per 

DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

Diablo Sport
4.5 (2)

Regular price $535.95 $475.95 11% off

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per 

AFE 80MM Throttle Body: Chrysler / Dodge / Jeep / Ram 3.6L V6 2011 - 2025
usa
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
5.0 (2)

Regular price $535.95 $475.95 11% off

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per 

American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
usa

American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram

American Brother Designs
5.0 (1)

Regular price $76.00 $56.00 26% off

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per 

Bully Dog 06-21 Dodge Charger / 08-21 Dodge Challenger Thruster Throttle Booster
Bully Dog 06-21 Dodge Charger / 08-21 Dodge Challenger Thruster Throttle Booster

Bully Dog Thruster Throttle Booster: Fits Most Chrysler / Dodge / Jeep / Ram Models (2005-2022)

Bully Dog

Regular price $299.00 $157.57 47% off

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MBRP Installer Series Cat-Back Exhaust System: Jeep Grand Cherokee 4.7L & 5.7L Hemi 2005 - 2010
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep Vehicles 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep Vehicles 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep Vehicles 2005 - 2014

Diablo Sport
4.0 (1)

Regular price $806.95 $716.95 11% off

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Gibson Exhaust System: Dodge Durango 4.7L V8 & 5.7L Hemi 2004 - 2009
Gibson Exhaust System: Dodge Durango 4.7L V8 & 5.7L Hemi 2004 - 2009
usa

Gibson Exhaust System: Dodge Durango 4.7L V8 & 5.7L Hemi 2004 - 2009

Gibson

Regular price $1,018.68 $483.30 53% off

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Flowmaster FloxFX Exhaust System: Jeep Grand Cherokee 4.0L / 4.7L 1999 - 2004
Flowmaster FloxFX Exhaust System: Jeep Grand Cherokee 4.0L / 4.7L 1999 - 2004
usa

Flowmaster FloxFX Exhaust System: Jeep Grand Cherokee 4.0L / 4.7L 1999 - 2004

Flowmaster
5.0 (2)

Regular price $393.95 $349.95 11% off

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Kooks Dodge Hemi 09 5.7/6.1L/6.2L Stg 8 Header Bolt Kit -M8-1.25 x 25mm Bolts and Locking Hardware
Kooks Dodge Hemi 09 5.7/6.1L/6.2L Stg 8 Header Bolt Kit -M8-1.25 x 25mm Bolts and Locking Hardware
usa

Kooks Headers Stage 8 Bolt Kit: Fits Chrysler / Dodge / Jeep / Ram (05-26) w/ HEMI Engines

Kooks Headers

Regular price $75.80 $68.22 10% off

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American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

Diablo Sport

Regular price $535.95 $475.95 11% off

Unit price
per 

Performance and Maintenance Upgrades for 4.7L, 5.2L, and 5.9L Mopar Engines

The 4.7L, 5.2L, and 5.9L engines form the backbone of classic Mopar trucks and SUVs, prized for their durability and torque-rich character. Whether you’re working on a 5.9L Magnum 360 or its 4.7L and 5.2L siblings, these engines offer a reliable platform for daily driving and straightforward bolt-on upgrades that enhance performance and longevity.

Keeping Your 5.9L Magnum and Related Engines Running Strong

Routine maintenance is key to preserving the reliability of these legacy Mopar engines. Focus on durable ignition components, fuel system upkeep, and quality gaskets to prevent common wear issues. Proper maintenance not only extends engine life but also ensures consistent torque delivery and throttle response.

  • Replace ignition wires, coils, and spark plugs regularly for optimal combustion
  • Maintain fuel injectors and fuel pumps to avoid lean conditions
  • Use quality seals and gaskets to prevent leaks and maintain compression
  • Inspect and replace timing components as needed to avoid performance loss

Popular Performance Upgrades for 4.7L, 5.2L, and 5.9L Engines

These Mopar small blocks respond well to bolt-on upgrades that improve airflow and ignition efficiency. Common enhancements include performance intake manifolds, exhaust headers, and upgraded ignition systems designed to boost throttle response and torque without extensive engine modifications.

Choosing the Right Upgrades for Your Classic Mopar Engine

When selecting parts for your 4.7L, 5.2L, or 5.9L engine, consider your vehicle’s application and desired performance level. Whether you’re restoring a Ram truck or upgrading a Dakota or Durango, FastHemis offers a range of components tailored to maintain reliability while unlocking additional power and drivability.

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