Peterbilt 357/378 Parts
Find the best Peterbilt 378 aftermarket parts in the business here at 4 State. The Peterbilt 378 semi truck represents all of the characteristics of the Peterbilt brand, and was a popular model with similar features to the Peterbilt 379. Pete truck models are a brand of choice for experienced truckers who need dependable semi trucks. 4 State Trucks has all the semi truck parts and accessories you need to make your Pete 378 stand out to showcase your unique personality. Whether you need aftermarket bumpers, exhaust, or fuel tanks, we've got you covered. Hit the open road in style and comfort with the best custom gear for your Peterbilt heavy duty truck or 18 wheeler.
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Chrome Rocker Switch Trim For Kenworth & Peterbilt - 3 Pack
UNITED PACIFIC
$7.26Chrome Rocker Switch TrimUpgrade your vehicle's interior with our premium Switch Trim, meticulously crafted from durable chrome-plated plastic. Featuring a plain style for a sleek and understated look, these trims are sold as a pack of 3. While not OEM,...$7.26 -
Chrome Mid & Center Column Cover For Peterbilt
UNITED PACIFIC
$15.49Mid/Center Column Cover Fits PeterbiltUpgrade your vehicle's interior with our aftermarket replacement steering column trim. Crafted from chrome-plated plastic, this trim piece replaces the OEM plastic trim, adding a sleek and stylish touch to your...$15.49 -
BESTfit 5 X 51 Inch Aluminized Steel Exhaust Muffler
BESTFIT TRUCK PARTS
$159.99BESTfitHeavy Gauge Steel W/ Aluminized Plating OE Style Exhaust Muffler * High Quality Exhaust Muffler* Made Of Steel With Aluminized Plating* Dimensions- Inner Diameter: 5 Inch- Outlet Diameter: 5 Inch- Muffler Body Diameter: 10 Inch- Muffler Body...$159.99 -
BESTfit Air Spring Replaces Firestone 9448, Goodyear 1R11-150
BESTFIT TRUCK PARTS
$130.99BESTfit Rolling Lobe Airbag - Replaces Firestone 9448, Goodyear 1R11-150Looking for a replacement air spring? Our aftermarket replacement part, sold individually, ensures reliable performance and durability. It effectively replaces OE numbers...$130.99 -
BESTfit 46K Cast Steel Air Spring Pedestal For Peterbilt Rear Air Leaf & Air Trac Suspension Passenger Side
BESTFIT TRUCK PARTS
$517.99BESTfit Cast Steel Air Spring Pedestal - Replaces 03-06747R, 03-08162R & 03-08163R * High Quality Air Spring Pedestal* Passenger Side* 46K Cast Steel* Includes OEM Shock Stud* Sold Individually* Warranty On Air Spring Pedestal Against Defects In...$517.99 -
BESTfit Cab & Sleeper Opening Seal For Peterbilt 359
BESTFIT TRUCK PARTS
$129.99BESTfit Sleeper Boot Seal For Opening Between Cab And SleeperLooking for a reliable seal for your sleeper to cab opening? Our Flexible Rubber Seal is designed to fit standard sleepers and cabs, providing a factory-style fit. With dimensions of 3.250...$129.99 -
BESTfit 4.562 - 4.875 Inch Heavy Duty T-Bolt Clamp With Spring
BESTFIT TRUCK PARTS
$11.99BESTfit Clamp Heavy Duty T-Bolt With Spring Constant Torque 4.562 InchAre you in the market for a T-bolt clamp for your charge air cooler project? Elite Truck Accessoriesstocks the clamps you need for your projects including 4.562 inch heavy duty T-bolt...$11.99 -
BESTfit Square To Round AC Compressor Mounting Bracket Kit
BESTFIT TRUCK PARTS
$44.87BESTfit AC Compressor Mounting Bracket Kit * High Quality Compressor Mounting Bracket Kit* 13.00 Inch x 10.00 Inch x 2.625 Inch* Converts Existing Mounting Brackets On York 209 / 210 Or Tecumseh HG850, HG1080, Compressors To A Sanden SD508, SD508HD,...$44.87 -
BESTfit Polished Aluminum 9.5 Inch Diameter Air Tank For Peterbilt
BESTFIT TRUCK PARTS
$399.99BESTfit 9.5 Inch Air Tank Fits PeterbiltThis Air Tank is constructed from polished aluminum and features a 33 1/2-inch overall length with a 9 1/2-inch diameter. It has a maximum pressure rating of 150 PSI and is equipped with several threaded ports for...$399.99 -
BESTfit Aluminum Flywheel Housing Replaces OE Numbers 1694153, 2234739, 3044156 For C15 CAT Engines
BESTFIT TRUCK PARTS
$1,121.99BESTfit Flywheel Housing Fits CAT C15Upgrade your vehicle's flywheel housing with our durable aluminum construction. Designed to SAE #1 specifications, this housing accommodates a 20-inch ring gear flywheel and features a starter location on the driver's...$1,121.99 -
BESTfit 5 Inch O.D. 12 X 18 Inch 90 Degree Miter Cut Exhaust Stack
BESTFIT TRUCK PARTS
$215.99BESTfit 5 Inch Chrome Miter Cut Exhaust Stack 12 X 18 InchIntroducing our Chrome-Plated Steel Exhaust Stack, meticulously crafted to elevate your vehicle's performance and style. Constructed with premium chrome-plated steel, this stack boasts exceptional...$215.99 -
BESTfit Chrome 6 Inch O.D. Miter Cut Exhaust Stack - 114 Inch Length
BESTFIT TRUCK PARTS
$469.99BESTfit 6 Inch Chrome 114 Inch Miter Cut Exhaust Stack With Plain End - O.D. * High Quality Exhaust Stack * Miter Cut Style - Angle Cut* Made Of Chrome-Plated Steel* 6 Inch O.D. Pipe - Works With Seamless Design Elbows And Pipes* 114 Inch Length* Sold...$469.99