Peterbilt 379 Fuel Tank Caps

BESTfit Peterbilt Fuel Cap GasketPrevent dirt and dust from entering your fuel tank with this fuel cap gasket. It is made from nitrile butadiene rubber with 50-55A durometer. Fit for Peterbilt models. 0.210"W x 3.725" inner diameter x 4.145" outer...

Chrome Plastic Locking Fuel Cap Cover Fits Peterbilt

Peterbilt Leak DefenderEnhance your vehicle's fuel system with the Leak Defender, which includes both a collar and a fuel cap. This aftermarket replacement part is designed to prevent leaks and ensure a secure fit. Sold individually, it provides a...

Leak Defender Fuel Cap Gasket Seal ReplacementLooking for a reliable aftermarket replacement part for your fuel cap? Our black O-ring is designed specifically for fuel cap replacement, ensuring a secure and tight seal. Sold individually, this O-ring is a...

Leak Defender Anti-Siphon BRCS For PeterbiltProtect your vehicle from fuel theft with the Anti-Siphon Tube, made from durable billet aluminum. Designed to prevent unauthorized siphoning, this tube is essential for safeguarding your fuel. Suitable for...

Peterbilt 3-Piece Fuel Neck Adapter Set W/ Collar, Fuel Cap, and Anti-Siphon DeviceEnhance your vehicle's fuel security with our Anti-Siphon Kit, crafted from billet aluminum for durability. This kit includes an anti-siphon mechanism, collar, fuel cap,...

Aluminum Non-Locking Fuel Cap, VentedReplace a poorly fitting fuel cap with this premium quality non-locking Velvac Fuel cap that is precision designed to deliver OE fit and functionality. It will prevent fuel vapors in the tank from leaking through the...

Custom Fuel Cap Covers for Caps with T Style HandlesThis pair of fuel cap covers are made of polished billet aluminum. They are designed for fuel caps with a T style handle and mount easily with screws. The covers are made in the USA and are backed with...

BESTfit Fuel Cap With Pressure Relief Fits Peterbilt * High Quality Fuel Cap* Non- Locking Fuel Cap With Pressure Relief Non-Vented* Set of 10* Warranty On Fuel Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...

BESTfit Locking Fuel Cap With Pressure Relief Fits Peterbilt * High Quality Fuel Cap* Lever-Style Locking With Pressure Relief Non-Vented* Set of 10* Warranty On Fuel Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...

BESTfit Locking Fuel Cap With Pressure Relief Fits Peterbilt 300 Series * High Quality Fuel Cap* Made Of Aluminum* Nominal Size: 4 Inch * Lever-Style Locking * Pressure Relief Non-Vented* Sold Individually* Warranty On Fuel Caps Against Defects In...

BESTfit Fuel Cap Fits PeterbiltThis high quality 4 inch non-locking lever style fuel cap that fits Peterbilt has pressure relief that is non-vented. The cap comes with a 90 day warranty. * High Quality Fuel Cap* 4 Inch Diameter* Lever-Style Non-Locking...