2003–2009 Toyota 4Runner Off-Road Parts & Accessories
Enhance your 2003–2009 Toyota 4Runner with our selection of premium off-road parts and accessories. Whether you're building for weekend trails or daily driving with extra attitude, we offer everything you need to upgrade performance, ride quality, and durability.
Choose from lift kits, shocks, control arms, bumpers, skid plates, wheels, tires, lighting, and recovery gear, all sourced from top brands known for quality and off-road performance.
At Underdog Motorsports, we specialize in Toyota builds and understand what your 4Runner needs to handle whatever lies ahead. Build with confidence and transform your 4th Gen 4Runner into a capable, head-turning off-road machine.
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsCatbackExhaust, Mufflers & TipsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24
The Black Elite Series product line truly displays Gibson's commitment to dominating performance and style. Each T-304 stainless tip is offered with a premium...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsCatbackExhaust, Mufflers & TipsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24
The Black Elite Series product line truly displays Gibson's commitment to dominating performance and style. Each T-304 stainless tip is offered with a premium...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsCatbackExhaust, Mufflers & TipsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24
Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsCatbackExhaust, Mufflers & TipsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24
Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersAir FiltersAir Filters - Drop InBest Selling ProductsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TUNDRA 00-06TOYOTA TUNDRA 07-13
Constructed with 100-percent polyurethane boxed frame, this non-oiled OE replacement filter provides years of hassle free service. Three Layers of Progressive Synthetic (Dry) Media...
2003–2009 Toyota 4Runner Off-Road Parts & AccessoriesAir FiltersAir Filters - Drop InBest Selling ProductsLEXUS GX470LEXUS LX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA TUNDRA 00-06
Constructed with 100-percent polyurethane boxed frame, this non-oiled OE replacement filter provides years of hassle free service. Three Layers of Progressive Synthetic (Dry) Media...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesAir FiltersAir Filters - Drop InBest Selling ProductsLEXUS GX470LEXUS LX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA TUNDRA 00-06
Constructed with 100-percent polyurethane boxed frame, this non-oiled OE replacement filter provides years of hassle free service. Three Layers of Progressive Synthetic (Dry) Media...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersAir FiltersAir Filters - Drop InBest Selling ProductsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TUNDRA 00-06TOYOTA TUNDRA 07-13
Constructed with 100-percent polyurethane boxed frame, this high flow, oiled OE replacement performance filter will outflow the stock filter for improved horsepower and torque....
2003–2009 Toyota 4Runner Off-Road Parts & AccessoriesAir FiltersAir Filters - Drop InBest Selling ProductsLEXUS GX470LEXUS LX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA TUNDRA 00-06
Constructed with 100-percent polyurethane boxed frame, this high flow, oiled OE replacement performance filter will outflow the stock filter for improved horsepower and torque....
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesAir FiltersAir Filters - Drop InBest Selling ProductsLEXUS GX470LEXUS LX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA TUNDRA 00-06
Constructed with 100-percent polyurethane boxed frame, this high flow, oiled OE replacement performance filter will outflow the stock filter for improved horsepower and torque....
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsLEXUS GX460LEXUS GX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPanhard BarsPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
Heavy duty adjustable panhard rod for serious 4x4 enthusiasts. Suitable for raised vehicles to reset axle location and wheel alignment rectification. Low compliance bushings...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsBushing KitsLEXUS GX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15
Whiteline camber kits provide the ability to fine tune camber settings for optimum tyre contact resulting in improved vehicle handling and increased tyre life....
1996–2002 Toyota 4Runner Off-Road Parts & Accessories2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsCHEVY-GMC 1500 07-18CHEVY-GMC 1500 19-CHEVY-GMC 2500 11-19CHEVY-GMC 2500-3500 01-10JEEP WRANGLER JKJEEP WRANGLER JTJEEP WRANGLER TJLEXUS LX450LEXUS LX470LEXUS LX570Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreRAM 1500 11-18RAM 1500 19-23RAM 2500 10-18RAM 2500 19-23RAM 3500 10-18RAM 3500 19-23SuspensionSuspension ControllersTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA 4RUNNER 96-02TOYOTA FJTOYOTA LAND CRUISERTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22TOYOTA TACOMA 95-04TOYOTA TUNDRA 00-06TOYOTA TUNDRA 07-13TOYOTA TUNDRA 14-21TOYOTA TUNDRA 22-
These Firestone dual automatic air command system kits inflate both air helper springs individually. Gain total control over your air springs by picking up...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsBushing KitsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
Tuff Country 03-23 4Runner 4x4 Replacement Upper Control Arm Bushings & Sleeves for Lift KitsThis Part Fits: Year Make Model Submodel 2023 Toyota 4Runner...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling Productslift kitsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
Install Notes: New shocks are optional; not required. Excludes Trail Edition; X-REAS; models equipped with hydraulic sway bar or auto ride front shocks.This Part...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling Productslift kitsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
Install Notes: New shocks are optional; not required. Excludes Trail Edition; X-REAS; models equipped with hydraulic sway bar or auto ride front shocks.This Part...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling Productslift kitsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
Install Notes: New shocks are optional; not required. Excludes Trail Edition; X-REAS; models equipped with hydraulic sway bar or auto ride front shocks.This Part...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling Productslift kitsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
Install Notes: New shocks are optional; not required. Excludes Trail Edition; X-REAS; models equipped with hydraulic sway bar or auto ride front shocks.This Part...
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