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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

Magnaflow Direct-Fit Catalytic Converter: Dodge Dakota 2000
Magnaflow Direct-Fit Catalytic Converter: Dodge Dakota 2000
usa

Magnaflow Direct-Fit Catalytic Converter: Dodge Dakota 00

Magnaflow

$1,341.00

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per 

MagnaFlow California Direct-Fit Catalytic Converter: Dodge Dakota 2001
MagnaFlow California Direct-Fit Catalytic Converter: Dodge Dakota 2001
usa
Magnaflow Direct-Fit Catalytic Converter: Dodge Ram 1500 2000 - 2001
Magnaflow Direct-Fit Catalytic Converter: Dodge Ram 1500 2000 - 2001
usa
Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010
Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010

Mishimoto Racing Thermostat Low Temp: Jeep Wrangler 2003-2010 2.4L / 3.8L

Mishimoto

Regular price $76.00 $68.95 9% off

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Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010
Mishimoto Racing Thermostat: Jeep Wrangler 2003 - 2010

Mishimoto 70°C Racing Thermostat: Dodge Neon SRT4 2003-2005 2.4L Turbo

Mishimoto

Regular price $76.00 $68.95 9% off

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Torque Solution Exhaust Mount Kit: Dodge Neon SRT-4 (03-05)
usa
Torque Solution Mount Kit Replacement Urethane: Dodge Neon SRT-4 (03-05)
usa
Torque Solution Engine Mount Kit: Dodge Neon SRT-4 (03-05)
Torque Solution Engine Mount Kit: Dodge Neon SRT-4 (03-05)
usa

Torque Solution Engine Mount Kit: Dodge Neon SRT4 03-05 2.4L Turbo

Torque Solution

$388.88

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Torque Solution Engine Mount Inserts: Dodge Neon SRT-4 (03-05)
Torque Solution Engine Mount Inserts: Dodge Neon SRT-4 (03-05)
usa
K&N Engineering Neon SRT-4 Drop In Air Filter 2003 - 2005
K&N Engineering Neon SRT-4 Drop In Air Filter 2003 - 2005

K&N Engineering Neon SRT-4 Drop In Air Filter 2003 - 2005

K&N Engineering

$83.99

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ACT Clutch Alignment Tool: Multiple Dodge Fitments / Multiple Chrysler Fitments
ACT Clutch Alignment Tool: Multiple Dodge Fitments / Multiple Chrysler Fitments

ACT Clutch Alignment Tool: Dodge Neon SRT4 03-05 2.4L Turbo

ACT

Regular price $5.00 $4.00 20% off

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Brian Crower Intake Valves: Dodge Neon SRT-4 (03-05) w/ +1mm SS
Brian Crower Exhaust Valve Guides: Dodge Neon SRT-4 (03-05) / PT Cruiser GT (03-07)
Brian Crower Valve Guides 6.0mm Intake: Dodge SRT-4 (Neon 2.0L)
Brian Crower Exhaust Valves: Dodge Neon SRT-4 (03-05)

Brian Crower Exhaust Valves: Dodge Neon SRT4 03-05 2.4L Turbo

Brian Crower

$197.00

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ARP Cylinder Head Studs: Dodge Neon SRT-4
usa
ARP Exhaust Manifold Steel Stud Kit (SRT-4)
ARP Exhaust Manifold Steel Stud Kit (SRT-4)
usa

ARP Exhaust Manifold Steel Stud Kit (SRT-4)

ARP

$156.63

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aFe ProGuard HD Oil Filter: Dodge Dakota 2.5L / Jeep Wrangler 4.0L (87-90 / 03-11)
aFe ProGuard HD Oil Filter: Dodge Dakota 2.5L / Jeep Wrangler 4.0L (87-90 / 03-11)
usa
Fuel Injector Clinic 3000cc Fuel Injectors: Dodge Neon SRT4 2003 - 2005
usa

Fuel Injector Clinic 3000cc Fuel Injectors: Dodge Neon SRT4 2003 - 2005

Fuel Injector Clinic

Regular price $1,728.00 $1,440.00 17% off

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Manley Perf 6.1L Hemi ARP 2000 H-Beam Rod Set: Fits Dodge / Chrysler / Ram (02-26)
Manley Perf 6.1L Hemi ARP 2000 H-Beam Rod Set: Fits Dodge / Chrysler / Ram (02-26)
usa

Manley Perf 6.1L Hemi ARP 2000 H-Beam Rod Set: Fits Dodge / Chrysler / Ram (02-26)

Manley Performance

Regular price $1,003.31 $902.98 10% off

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Manley Performance Dodge SRT-4 16pc Valve Springs: Multiple Dodge Fitments
Manley Performance Dodge SRT-4 16pc Valve Springs: Multiple Dodge Fitments
usa

Manley Performance Dodge SRT-4 16pc Valve Springs: Dodge Neon SRT4 03-05 2.4L Turbo

Manley Performance

Regular price $111.96 $106.36 5% off

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usa

Manley Performance Dodge SRT-4 16pc Titanium Retainers

Manley Performance

Regular price $264.87 $251.63 5% off

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K&N Drop-In Air Filter: Dodge Ram 3.9L V6, 5.2L V8, 5.9L V8 1994 - 2002
K&N Drop-In Air Filter: Dodge Ram 3.9L V6, 5.2L V8, 5.9L V8 1994 - 2002
K&N Drop-In Air Filter: Jeep Grand Cherokee 2.0L Turbo, 3.6L V6, 5.7L Hemi 2022 - 2025
K&N Drop-In Air Filter: Jeep Grand Cherokee 2.0L Turbo, 3.6L V6, 5.7L Hemi 2022 - 2025

K&N Drop-In Air Filter: Jeep Grand Cherokee 21-25 5.7L/3.6L/2.0L

K&N Engineering

$73.99

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per 

K&N 63 Series Cold Air Intake: Jeep Grand Cherokee 2.0L Turbo 2022-2025
K&N 63 Series Cold Air Intake: Jeep Grand Cherokee 2.0L Turbo 2022-2025
K&N Drop-In Air Filter: Jeep Wrangler 3.6L V6, 3.8L V6 2012 - 2018
K&N Drop-In Air Filter: Jeep Wrangler 3.6L V6, 3.8L V6 2012 - 2018

K&N Drop-In Air Filter: Jeep Wrangler 07-18 3.8L/3.6L

K&N Engineering

$68.99

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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.

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