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Shop 3.9L

Upgrade Your 3.9L V6 Engine The 3.9L V6 is a classic Mopar engine known for its smooth operation and dependable performance in various Chrysler and Dodge models. While not as common as the V8 Hemis, the 3.9L offers a solid foundation for drivers seeking reliable power and daily drivability. At FastHemis, you’ll find performance parts and upgrades tailored specifically for the 3.9L platform. Whether you’re looking to improve throttle response, enhance cooling, or maintain your engine’s longevity, our selection supports both maintenance and mild performance enhancements. From intake and ignition components to exhaust upgrades, these parts help you get the most from your 3.9L V6. Key upgrade options for your 3.9L include: - Intake and throttle body upgrades for better airflow - Ignition system enhancements for improved spark - Cooling system components to manage engine temps - Exhaust upgrades for smoother flow and sound Shop 3.9L V6 upgrades at FastHemis.
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1686 Results

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
Baer Claw Drilled & Slotted Zinc-Plated Rotor and Ceramic Performance Pad Combo Kit (FRONT): Fits Most Hemi Models
usa

Baer Claw Drilled & Slotted Zinc-Plated Rotor and Ceramic Performance Pad Combo Kit (FRONT): Ram 1500 (06-17) / Durango (07-09)

Baer

Regular price $375.95 $300.55 20% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Spec D Factory Style Fender Flares (Smooth Black, 4pc): Dodge Ram (w/ 6.5ft bed) 2002 - 2009
Spec D Factory Style Fender Flares (Smooth Black, 4pc): Dodge Ram (w/ 6.5ft bed) 2002 - 2009

Spec D Factory Style Fender Flares (Smooth Black, 4pc): Dodge Ram (w/ 6.5ft bed) 2002 - 2009

Spec D

Regular price $116.00 $86.00 26% off

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Spec D LED Tail Lights (Red): Dodge Ram 2009 - 2018
Spec D LED Tail Lights (Red): Dodge Ram 2009 - 2018

Spec D LED Tail Lights (Red): Dodge Ram 2009 - 2018

Spec D

Regular price $217.00 $161.00 26% off

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Spec D Soft Roll-Up Tonneau Cover: Dodge Ram 1500 (w/ 5.7ft Bed) 2009 - 2018
Spec D Soft Roll-Up Tonneau Cover: Dodge Ram 1500 (w/ 5.7ft Bed) 2009 - 2018

Spec D Soft Roll-Up Tonneau Cover: Dodge Ram 1500 (w/ 5.7ft Bed) 2009 - 2018

Spec D

Regular price $228.00 $169.00 26% off

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Spec D OEM Style Headlights w/ LED Bar (Chrome): Dodge Ram 1994 - 2002
Spec D OEM Style Headlights w/ LED Bar (Chrome): Dodge Ram 1994 - 2002

Spec D OEM Style Headlights w/ LED Bar (Chrome): Dodge Ram 1994 - 2002

Spec D

Regular price $259.00 $192.00 26% off

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Spec D Riveted Style Fender Flares (Textured Black, 4pc): Dodge Ram 2002 - 2009
Spec D Riveted Style Fender Flares (Textured Black, 4pc): Dodge Ram 2002 - 2009

Spec D Riveted Style Fender Flares (Textured Black, 4pc): Dodge Ram 2002 - 2009

Spec D

Regular price $176.00 $130.00 26% off

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Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006
Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006

Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006

Spec D

Regular price $155.00 $115.00 26% off

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Spec D LED Tail Lights (Red, G2): Dodge Ram 2002 - 2005
Spec D LED Tail Lights (Red, G2): Dodge Ram 2002 - 2005

Spec D LED Tail Lights (Red, G2): Dodge Ram 2002 - 2005

Spec D

Regular price $219.00 $162.00 26% off

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per 

Spec D Crystal Headlights (Smoke): Dodge Ram 1994 - 2002
Spec D Crystal Headlights (Smoke): Dodge Ram 1994 - 2002

Spec D Crystal Headlights (Smoke): Dodge Ram 1994 - 2002

Spec D

Regular price $122.00 $90.00 26% off

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Spec D Power Towing Mirrors: Dodge Ram 2002 - 2009
Spec D Power Towing Mirrors: Dodge Ram 2002 - 2009

Spec D Power Towing Mirrors: Dodge Ram 2002 - 2009

Spec D

Regular price $198.00 $147.00 26% off

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Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012
Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012

Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012

Spec D

Regular price $312.00 $231.00 26% off

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Spec D Towing Mirrors (Power, Heated): Dodge Ram 1998 - 2002
Spec D Towing Mirrors (Power, Heated): Dodge Ram 1998 - 2002

Spec D Towing Mirrors (Power, Heated): Dodge Ram 1998 - 2002

Spec D

Regular price $220.00 $163.00 26% off

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Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006
Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006

Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006

Spec D

Regular price $84.00 $62.00 26% off

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Spec D OEM Style Fender Flares (Black, 4pc): Dodge Ram 2002 - 2009
Spec D OEM Style Fender Flares (Black, 4pc): Dodge Ram 2002 - 2009

Spec D OEM Style Fender Flares (Black, 4pc): Dodge Ram 2002 - 2009

Spec D

Regular price $128.00 $95.00 26% off

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per 

Spec D OEM Style Headlights w/ LED Bar (Smoke): Dodge Ram 2002 - 2005
Spec D OEM Style Headlights w/ LED Bar (Smoke): Dodge Ram 2002 - 2005

Spec D OEM Style Headlights w/ LED Bar (Smoke): Dodge Ram 2002 - 2005

Spec D

Regular price $257.00 $190.00 26% off

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per 

AlphaRex 09-18 Dodge Ram 1500HD LUXX LED Proj Headlights Plnk Style Blk w/Activ Light/Seq Signal/DRL
AlphaRex 09-18 Dodge Ram 1500HD LUXX LED Proj Headlights Plnk Style Blk w/Activ Light/Seq Signal/DRL
Superchips F5 Flashpaq Tuner: Fits Most Hemi Models

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

Superchips

Regular price $518.95 $460.95 11% off

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APS Polished Stainless Billet Grilles (Upper & Lower): Dodge Dakota & Durango 1997 - 2004
APS Polished Stainless Billet Grilles (Upper & Lower): Dodge Dakota & Durango 1997 - 2004

APS Polished Stainless Billet Grilles (Upper & Lower): Dodge Dakota & Durango 1997 - 2004

APS

Regular price $133.31 $106.65 20% off

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Baer Claw Slotted and Drilled Zinc-Plated Rotor and Ceramic Performance Pad Combo Kit (REAR): Fits Most Hemi Models
usa

Baer Claw Slotted and Drilled Zinc-Plated Rotor and Ceramic Performance Pad Combo Kit (REAR): Ram 1500 (02-17) / Durango (05-09)

Baer

Regular price $328.95 $262.75 20% off

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per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red
Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red
usa

Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red

Energy Suspension

Regular price $51.34 $34.23 33% off

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AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018
AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex
5.0 (1)

Regular price from $262.68 1% off

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Fabtech Tie Rod End: Dodge Ram 1500 2002-2005
Fabtech Tie Rod End: Dodge Ram 1500 2002-2005
usa

Fabtech Tie Rod End: Dodge Ram 1500 2002-2005

Fabtech

$57.63

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per 

Hawk Performance Brake Pads: Dodge Ram 2500 (94-99) / Ram 3500 (94-99)
Hawk Performance Brake Pads: Dodge Ram 2500 (94-99) / Ram 3500 (94-99)
usa

Hawk Performance Brake Pads: Dodge Ram 2500 (94-99) / Ram 3500 (94-99)

Hawk Performance

Regular price $166.99 $150.29 10% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
APS Polished Stainless Upper Billet Grille (w/ Logo Show): Dodge Ram 2006 - 2008
APS Polished Stainless Upper Billet Grille (w/ Logo Show): Dodge Ram 2006 - 2008

APS Polished Stainless Upper Billet Grille (w/ Logo Show): Dodge Ram 2006 - 2008

APS

Regular price $114.75 $91.80 20% off

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per 

APS Side Armor DS Nerf Bars (Pair) Crew Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)
APS Side Armor DS Nerf Bars (Pair) Crew Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS Side Armor DS Nerf Bars (Pair) Crew Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS
5.0 (1)

Regular price $565.87 $452.70 20% off

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per 

APS A Series Running Boards (Pair) Regular Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)
APS A Series Running Boards (Pair) Regular Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS A Series Running Boards (Pair) Regular Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS

Regular price $471.30 $377.04 20% off

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ANZO LED Tail Lights (Black/Clear): Dodge Dakota 1997 - 2004
ANZO LED Tail Lights (Black/Clear): Dodge Dakota 1997 - 2004

Performance Upgrades for Your 3.9L V6 Mopar Engine

The 3.9L V6 is a reliable and smooth-running engine found in various Chrysler and Dodge models, offering solid daily drivability with dependable power. While it may not have the high-performance pedigree of Mopar’s V8 Hemis, the 3.9L platform still benefits greatly from targeted upgrades that improve airflow, ignition, cooling, and exhaust flow.

How to Improve Airflow and Throttle Response on the 3.9L V6

Enhancing intake and throttle body components is one of the most effective ways to boost your 3.9L’s responsiveness and efficiency. Upgraded intake manifolds and throttle bodies increase the volume and quality of air entering the engine, which helps improve combustion and overall performance without sacrificing reliability.

  • Install high-flow air filters and intake manifolds for better breathing
  • Upgrade throttle bodies to improve throttle response and reduce lag
  • Ensure proper fitment to maintain smooth drivability and engine longevity

Maintaining Engine Health with Cooling and Ignition Upgrades

Keeping your 3.9L V6 running cool and firing efficiently is key to long-term reliability. Upgrading cooling system components such as radiators, thermostats, and fans helps manage engine temperatures during daily driving or mild performance use. Meanwhile, ignition system enhancements like high-quality coils and spark plugs ensure consistent spark delivery for smooth operation.

Exhaust and Maintenance Parts to Maximize Your 3.9L V6

Exhaust upgrades tailored for the 3.9L V6 improve flow and sound while supporting better engine efficiency. Combined with routine maintenance parts, these upgrades help you get the most out of your Mopar engine. Explore FastHemis’ selection of 3.9L-specific performance and maintenance components to keep your engine running strong and responsive.

SELECT YOUR VEHICLE