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2.0L I4 / 3.0L EcoDiesel / 3.8L V6 Engine Upgrades

Upgrade Your 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 Engines The 2.0L inline-4, 3.0L EcoDiesel, and 3.8L V6 engines each offer unique strengths, from efficient daily driving to robust diesel torque and versatile V6 performance. Whether you’re looking to enhance fuel efficiency, increase power output, or improve engine reliability, these platforms respond well to targeted upgrades. In this collection, you’ll find performance parts and upgrades designed specifically for these engines, including intake and exhaust components, tuning options, and durability enhancements. These upgrades help optimize combustion, boost torque delivery, and extend engine life, making your vehicle more capable on the road or worksite. Key upgrade options include: - Cold air intakes and throttle body enhancements - Diesel-specific fuel system and turbo upgrades for the 3.0L EcoDiesel - Exhaust and ignition improvements for smoother power delivery - Engine management and tuning solutions Shop 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 engine upgrades at FastHemis.
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823 Results

American Brother Designs Oil Catch Can: Chrysler / Dodge / Jeep V8 Hemi 2005 - 2025
American Brother Designs Oil Catch Can: Chrysler / Dodge / Jeep V8 Hemi 2005 - 2025
usa

American Brother Designs Oil Catch Can: Chrysler / Dodge / Jeep V8 Hemi 2005 - 2023

American Brother Designs
4.8 (12)

Regular price $321.50 $235.00 27% off

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per 

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

Diablo Sport
4.8 (8)

Regular price $535.95 $499.95 7% off

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per 

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
usa

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024

American Brother Designs
4.5 (2)

Regular price $101.49 $69.00 32% off

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per 

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport
5.0 (3)

Regular price $818.95 $770.95 6% off

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per 

Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)
Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant
5.0 (1)

Regular price from $22.99 25% 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

Diablo Sport
4.5 (2)

Regular price $535.95 $499.95 7% off

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per 

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

American Brother Designs Washer Fluid 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: 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 $499.95 7% off

Unit price
per 

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

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

American Brother Designs
5.0 (1)

Regular price $109.00 $59.00 46% off

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per 

Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
usa

Kooks Stage 8 Header Bolt Kit: Fits Most Chrysler/Dodge/Jeep/Ram (05-20)

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 

PPE Battery Heat Shield: Ram 1500 / 2500 / 3500 (16-25)
PPE Battery Heat Shield: Ram 1500 / 2500 / 3500 (16-25)
usa
DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)

DeatschWerks 42lb Fuel Injectors: Fits Most Dodge/Ram (03-24)

Deatschwerks

$439.00

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per 

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport

Regular price $818.95 $770.95 6% off

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per 

American Brother Designs Master Cylinder Cap: Dodge Durango (16-25), Jeep Grand Cherokee (16-21)
American Brother Designs Master Cylinder Cap: Dodge Durango (16-25), Jeep Grand Cherokee (16-21)
usa

American Brother Designs Master Cylinder Cap: Dodge Durango (16-25), Jeep Grand Cherokee (16-21)

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2024 (All Models)
Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2024 (All Models)
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 $787.95 $749.95 5% off

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per 

AFE Air Filter: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (All Models)
AFE Air Filter: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (All Models)
usa
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 $499.95 7% off

Unit price
per 

American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025
American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025
usa

American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Chrysler 6.1L & 6.4L Hemi
Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Chrysler 6.1L & 6.4L Hemi
usa
Tazer Tazer Programmer: Fits Most Dodge / Jeep Models (2011-2026)
American Brother Designs Coolant Reservoir Cap Cover: Dodge Durango, Jeep Grand Cherokee, Jeep Wagoneer, Ram
American Brother Designs Coolant Reservoir Cap Cover: Dodge Durango, Jeep Grand Cherokee, Jeep Wagoneer, Ram
usa

American Brother Designs Coolant Reservoir Cap Cover: Fits Jeep / Dodge / Ram (09-26)

American Brother Designs

Regular price $109.00 $59.00 46% off

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per 

S&B Cold Air Intake: Ram 3.0L EcoDiesel 1500 2014 - 2018
S&B Cold Air Intake: Ram 3.0L EcoDiesel 1500 2014 - 2018
usa

S&B Cold Air Intake: Ram 3.0L EcoDiesel 1500 2014 - 2018

S&B Filters

Regular price $429.99 $379.00 12% off

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per 

2 filter types
S&B Cold Air Intake: Jeep Wrangler 3.0L EcoDiesel 2020 - 2023
S&B Cold Air Intake: Jeep Wrangler 3.0L EcoDiesel 2020 - 2023
usa

S&B Cold Air Intake: Jeep Wrangler 3.0L EcoDiesel 2020 - 2023

S&B Filters
5.0 (1)

Regular price $429.99 $379.00 12% off

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per 

2 filter types
K&N Air Filter: Dodge Ram 2002 - 2010 (All Models) / Ram 2011 - 2018 (All Models)
K&N Air Filter: Dodge Ram 2002 - 2010 (All Models) / Ram 2011 - 2018 (All Models)

K&N Air Filter: Fits Most Dodge/Ram (02-26)

K&N Engineering

$55.19

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per 

DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)
DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

DiabloSport Predator 2 Tuner: Dodge Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

Diablo Sport
5.0 (2)

Regular price $532.95 $312.95 41% off

Unit price
per 

American Brother Designs Hood Shock Covers: Ram 1500 6.2L TRX 2021 - 2024
American Brother Designs Hood Shock Covers: Ram 1500 6.2L TRX 2021 - 2024
usa

American Brother Designs Hood Shock Covers: Ram 1500 6.2L TRX 2021 - 2024

American Brother Designs
5.0 (1)

Regular price $140.00 $90.00 36% off

Unit price
per 

American Brother Designs Radiator Cap Cover: 300, Challenger, Charger & Magnum 2005 - 2014
American Brother Designs Radiator Cap Cover: 300, Challenger, Charger & Magnum 2005 - 2014
usa

American Brother Designs Radiator Cap Cover: 300, Challenger, Charger & Magnum 2005 - 2014

American Brother Designs

Regular price $109.00 $59.00 46% off

Unit price
per 

Performance Upgrades for 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 Engines

The 2.0L inline-4, 3.0L EcoDiesel, and 3.8L V6 engines each bring distinct capabilities to the table, from efficient daily driving to diesel torque and versatile V6 power. Targeted upgrades for these platforms can enhance fuel efficiency, increase power output, and improve overall engine durability to meet your performance and reliability goals.

How to Choose the Right Intake and Exhaust Upgrades for These Engines

Optimizing airflow is key to unlocking better performance and efficiency in the 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 engines. Cold air intakes and throttle body enhancements improve combustion by delivering cooler, denser air, while exhaust upgrades reduce backpressure for smoother power delivery. Selecting parts designed specifically for each engine ensures proper fitment and maximum gains.

  • Cold air intakes tailored for precise airflow and filtration
  • Throttle body upgrades to improve throttle response and volume
  • Exhaust components that balance flow with emissions compliance
  • Diesel-specific exhaust options to handle higher exhaust gas temperatures

What Diesel-Specific Upgrades Boost the 3.0L EcoDiesel’s Torque and Reliability?

The 3.0L EcoDiesel engine benefits from upgrades that support its turbocharged diesel design, focusing on fuel system enhancements and turbocharger efficiency. Upgrading fuel injectors, high-pressure fuel pumps, and turbo components can improve torque delivery and throttle response while maintaining engine longevity under heavy loads.

Why Engine Management and Tuning Matter for These Engine Upgrades

Proper engine management and tuning are essential to maximize the benefits of hardware upgrades on the 2.0L I4, 3.0L EcoDiesel, and 3.8L V6 engines. Custom tuning optimizes air-fuel ratios, ignition timing, and boost control (for diesel), ensuring improved power, fuel economy, and reliability. Explore FastHemis’ selection of tuning solutions designed to complement your specific engine upgrades and driving needs.

SELECT YOUR VEHICLE