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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

Ripp Hi-Perf Coil Pack Kit w/ Spark Plug Wires & NGK Plugs: Jeep Grand Cherokee 4.0L (99-04)
Ripp Hi-Perf Coil Pack Kit w/ Spark Plug Wires & NGK Plugs: Jeep Grand Cherokee 4.0L (99-04)
AFE Magnum FLOW Pro DRY S Air Filter: Jeep Grand Wagoneer 6.4L 392 2022 - 2024
AFE Magnum FLOW Pro DRY S Air Filter: Jeep Grand Wagoneer 6.4L 392 2022 - 2024
usa
Bully Dog GT Platinum Tuner: Fits Dodge/Jeep/Ram 2003-2014 5.7/6.1L HEMI
Bully Dog GT Platinum Tuner: Fits Dodge/Jeep/Ram 2003-2014 5.7/6.1L HEMI
Cometic PRO1048T Top End Gasket Kit 4.15" Bore MLX: Fits 11-24 6.4L 392 HEMI
Cometic PRO1048T Top End Gasket Kit 4.15" Bore MLX: Fits 11-24 6.4L 392 HEMI
usa

Cometic PRO1048T Top End Gasket Kit 4.15" Bore MLX: Fits 11-24 6.4L 392 HEMI

Cometic Gasket

Regular price $351.50 $326.90 7% off

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King Chrysler Dodge Hemi 5.7L/6.1L V8 Performance Rod Bearing Set - Size STDX
K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 3.0L EcoDiesel 2014-2018
K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 3.0L EcoDiesel 2014-2018
Flowmaster American Thunder Direct Fit Muffler: Ram 1500 2025-2026
Flowmaster American Thunder Direct Fit Muffler: Ram 1500 2025-2026
usa

Flowmaster American Thunder Direct Fit Muffler: Ram 1500 2025-2026

Flowmaster

Regular price $749.95 $699.95 7% off

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Flowmaster FloxFX Exhaust System (Single Side Exit): Dodge Ram 3.9L, 5.2L & 5.9L 1994 - 2001 (1500 / 2500 / 3500)
Flowmaster FloxFX Exhaust System (Single Side Exit): Dodge Ram 3.9L, 5.2L & 5.9L 1994 - 2001 (1500 / 2500 / 3500)
usa
Deatschwerks 72lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks 72lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks 95lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks 95lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
K&N 77 Series Cold Air Intake: Dodge Dakota / Durango 4.7L 2000 - 2004
K&N 77 Series Cold Air Intake: Dodge Dakota / Durango 4.7L 2000 - 2004

K&N 77 Series Cold Air Intake: Dodge Dakota / Durango 00-04

K&N Engineering

$419.99

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Cometic MLX RHS Head Gasket (4.150" Bore, .062" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)
Cometic MLX RHS Head Gasket (4.150" Bore, .062" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)
usa

Cometic MLX RHS Head Gasket (4.150" Bore, .062" Thick): Fits Chrysler / Dodge / Jeep / Ram (11-26)

Cometic Gasket

Regular price $137.84 $124.07 10% off

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Flowmaster Force II Axle-Back Exhaust System: Jeep Wrangler 2018-2026
Flowmaster Force II Axle-Back Exhaust System: Jeep Wrangler 2018-2026
usa

Flowmaster Force II Axle-Back Exhaust System: Jeep Wrangler 2018-2026

Flowmaster
5.0 (1)

Regular price $806.95 $749.95 7% off

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Injector Dynamics Injectors: Dodge Neon SRT4 2003 - 2005
Injector Dynamics Injectors: Dodge Neon SRT4 2003 - 2005
usa

Injector Dynamics Injectors: Dodge Neon SRT4 2003 - 2005

injector dynamics

$600.60

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

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

Diablo Sport

Regular price $806.95 $749.95 7% off

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OMIX Locking Gas Cap: Fits Jeep Wrangler / Gladiator / Grand Cherokee (93-26)
OMIX Locking Gas Cap: Fits Jeep Wrangler / Gladiator / Grand Cherokee (93-26)

OMIX Locking Gas Cap: Fits Most Jeep (03-25)

OMIX

$48.99

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Odyssey Battery HD Perf AGM Battery: Fits Dodge Charger / Durango / Ram 1500 / Jeep Grand Cherokee
Odyssey Battery HD Perf AGM Battery: Fits Dodge Charger / Durango / Ram 1500 / Jeep Grand Cherokee
usa

Odyssey Battery HD Perf AGM Battery: Fits Most Dodge/Jeep/Ram 5.7L/3.6L/3.0L EcoDiesel (20-24)

Odyssey Battery

Regular price $420.57 $398.99 5% off

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Superchips F5 Flashpaq Tuner: Fits Most Hemi Models

Superchips F5 Flashpaq Tuner: Fits Dodge / Ram / Chrysler (98-14)

Superchips

Regular price $518.95 $499.95 4% off

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American Brother Designs Fuse Box Cover: Ram 1500 2019 - 2024
American Brother Designs Fuse Box Cover: Ram 1500 2019 - 2024
usa

American Brother Designs Fuse Box Cover: Ram 1500 2019 - 2024

American Brother Designs

Regular price $221.00 $171.00 23% off

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American Brother Designs Coolant Recovery Bottle Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Coolant Recovery Bottle Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Coolant Recovery Bottle Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

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American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

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Fuel Injector Clinic 1200cc Fuel Injectors: Dodge Neon SRT4 2003 - 2005
Fuel Injector Clinic 1200cc Fuel Injectors: Dodge Neon SRT4 2003 - 2005
usa

Fuel Injector Clinic 1200cc Fuel Injectors: Dodge Neon SRT4 2003 - 2005

Fuel Injector Clinic

Regular price from $567.00 Up to 17% off

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Weapon R Oil Catch Can: Dodge Neon SRT4 (2003-2005)
Weapon R Oil Catch Can: Dodge Neon SRT4 (2003-2005)

Weapon R Oil Catch Can: Dodge Neon SRT4 03-05 2.4L Turbo

Weapon R

Regular price from $212.50 Up to 15% off

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Tazer JK Blaster OBDII Programmer: Jeep Wrangler (07-18)
Bully Dog Thruster Throttle Booster: Jeep Wrangler (18-22) / Gladiator (20-22) / Ram 1500 (19-22)
Bully Dog Thruster Throttle Booster: Jeep Wrangler (18-22) / Gladiator (20-22) / Ram 1500 (19-22)
AMP Research Wire Harness: Fits Most Ram (13-22)
AMP Research Wire Harness: Ram 1500 (13-18) / 2500 (13-22) / 3500 (13-22)

AMP Research Wire Harness: Fits Most Ram (13-22)

AMP Research

$149.99

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K&N 57 Series Cold Air Intake: Ram 1500 3.0L EcoDiesel 2014-2018
K&N 57 Series Cold Air Intake: Ram 1500 3.0L EcoDiesel 2014-2018

K&N 57 Series Cold Air Intake: Ram 1500 14-18 3.0L EcoDiesel

K&N Engineering

$317.99

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K&N Performance Cold Air Intake: Ram 1500 3.0L 2025
K&N Performance Cold Air Intake: Ram 1500 3.0L 2025

K&N Performance Cold Air Intake: Ram 1500 25-26 3.6L/3.0L

K&N Engineering
5.0 (1)

$425.99

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K&N 57 Series Cold Air Intake: Jeep Wrangler 2.0L Turbo 2019-2021
K&N 57 Series Cold Air Intake: Jeep Wrangler 2.0L Turbo 2019-2021

K&N 57 Series Cold Air Intake: Jeep Wrangler 19-21 2.0L Turbo

K&N Engineering

$317.99

Unit price
per 

American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

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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