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 & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, Bumpers2010–2024 Toyota 4Runner Off-Road Parts & AccessoriesAir Intake SystemsBest Selling ProductsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoThrottle Body SpacersToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and...
2003–2009 Toyota 4Runner Off-Road Parts & AccessoriesAir Intake SystemsBest Selling ProductsLEXUS LX470LEXUS LX570Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoThrottle Body SpacersToyotaTOYOTA 4RUNNER 03-09TOYOTA TUNDRA 00-06
Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and...
2003–2009 Toyota 4Runner Off-Road Parts & AccessoriesAir Intake SystemsBest Selling ProductsLEXUS GX470LEXUS LX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoThrottle Body SpacersToyotaTOYOTA 4RUNNER 03-09TOYOTA TUNDRA 00-06TOYOTA TUNDRA 07-13
Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersAir Intake SystemsBest Selling ProductsNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoThrottle Body SpacersToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TUNDRA 00-06TOYOTA TUNDRA 07-13TOYOTA TUNDRA 14-21
Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and...
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 ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
aFe Control introduces these Sway-A-Way High Performance replacement shock absorbers for the 2003-2020 Toyota 4Runner and 10-14 FJ Cruiser. These 2.0" diameter shocks feature...
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 ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJ
aFe Control introduces these Sway-A-Way High Performance replacement shock absorbers for the 2003-2020 Toyota 4Runner and 10-14 FJ Cruiser. These 2.0" diameter shocks feature...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
aFe Control introduces these Sway-A-Way High Performance replacement shock absorbers for the 2005-2020 Toyota Tacoma.. These 2.0" diameter shocks feature all the same race...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
This kit offers remote reservoirs and better off road damping curves without sacrificing any on road comfort or handling. Sway-A-Way’s new 2.5 Series Mid-Speed...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
aFe Control introduces these Sway-A-Way High Performance replacement Coilovers for the 5th generation Toyota Tacoma. These 2.5" diameter Coilovers feature all the same race...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
aFe Control introduces these Sway-A-Way High Performance replacement Coilovers for the 2005-2020 Toyota Tacoma. These 2.5" diameter Coilovers feature all the same race winning...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
aFe Control introduces these Sway-A-Way High Performance replacement Coilovers for the 2005-2020 Toyota Tacoma. These 2.5" diameter Coilovers feature all the same race winning...
2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsCoiloversNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoPerformance Suspension Upgrades for Toyota, Jeep & MoreSuspensionToyotaTOYOTA 4RUNNER 03-09TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
aFe Control introduces these Sway-A-Way High Performance replacement Coilovers for the 2005-2020 Toyota Tacoma. These 2.0" diameter Coilovers feature all the same race winning...
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 ProductsDifferential YokesDrivetrainNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 10-24TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road...
1996–2002 Toyota 4Runner Off-Road Parts & Accessories2003–2009 Toyota 4Runner Off-Road Parts & AccessoriesBest Selling ProductsDifferential YokesDrivetrainNewest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 96-02TOYOTA TACOMA 95-04TOYOTA TUNDRA 00-06
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road...
1996–2002 Toyota 4Runner Off-Road Parts & Accessories2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsDifferential YokesDrivetrainLEXUS GX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 96-02TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22TOYOTA TACOMA 95-04
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road...
1996–2002 Toyota 4Runner Off-Road Parts & Accessories2003–2009 Toyota 4Runner Off-Road Parts & Accessories2007–2014 Toyota FJ Cruiser Parts & Accessories | Lift Kits, Wheels, BumpersBest Selling ProductsDifferential YokesDrivetrainLEXUS GX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 96-02TOYOTA FJTOYOTA TACOMA 05-15TOYOTA TACOMA 16-22TOYOTA TACOMA 95-04
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road...
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 ProductsDifferential YokesDrivetrainLEXUS GX470Newest Off-Road Products | Tacoma, 4Runner, Tundra, GX, BroncoToyotaTOYOTA 4RUNNER 03-09TOYOTA 4RUNNER 96-02TOYOTA FJTOYOTA TACOMA 16-22
Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-duty off-road...
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