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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Premium Pyramid-Back West Coast Mirror Head – 7 x 16 Inch, Stainless Steel
LUVERNE
$47.37Durable Stainless Steel Construction for Enhanced VisibilityEnhance your vehicle's side-view visibility with our premium Pyramid-Back West Coast mirror head, featuring a 7 x 16-inch glass surface for a wide, clear view. Constructed from polished...$47.37 -
Premium Yellow Chevron Dual-Vision West Coast Mirror Head – Lighted, 6 x 16 Inch, Aluminum
LUVERNE
$53.55Enhanced Visibility with Dual Glass and Illuminated Chevron DesignUpgrade your vehicle's side-view mirrors with our premium Yellow Chevrons Back West Coast mirror head, featuring a 6 x 16-inch glass surface for a wide, clear view. The lighted anodized...$53.55 -
Premium Pyramid-Back West Coast Mirror Head – Heated, 7 x 16 Inch, White
LUVERNE
$22.96Enhanced Visibility with Heated Glass and Durable ConstructionUpgrade your vehicle's side-view mirrors with our premium Pyramid-Back West Coast mirror head, featuring a 7 x 16-inch glass surface for a wide, clear view. The built-in heater ensures the...$22.96 -
Premium MileStone Bumper Guard Light Cage for 34-Inch LED Light Bars
LUVERNE
$211.14Durable Black Stainless Steel Construction for Enhanced ProtectionProtect your 34-inch single-row LED light bar with our premium bumper guard light cage, crafted from black stainless steel. Measuring 34-3/8 inches in width, 4-1/4 inches in height, and 2...$211.14 -
Bulkhead To Evaporator Liquid Hose Size 6
RIGMASTER
$132.99RigMaster Liquid Hose #6 Bulkhead To Evaporator - HighNeed a dependable liquid hose? This aftermarket replacement liquid hose, sized Number 6, connects the bulkhead to the evaporator and is sold individually. Designed as a cost-effective alternative to...$132.99 -
Peterbilt 357, 378 SBA 18 Inch Chrome Bumper W/ Tow Holes By Valley Chrome
VALLEY CHROME PLATING
$1,106.99Valley Chrome 18 Inch SBA Bumper With Cutouts For TowEnhance your truck's front-end with our Chrome-Plated Steel Bumper, designed for durability and style. This bumper features an 18-inch height and is tailored for a set back axle configuration. It...$1,106.99 -
Peterbilt 357 378 379 20 Inch Boltless Chrome Bumper With Angled End Style & UST Mounting By Valley Chrome
VALLEY CHROME PLATING
$1,068.99Valley Chrome Boltless Angled End BumperUpgrade your vehicle's front-end protection and style with our Chrome-Plated Steel Bumper, standing tall at 20 inches. This aftermarket replacement part (not OEM) features a robust UST mounting system for secure...$1,068.99 -
Peterbilt 357, 378 SBA 16 Inch Chrome Single Break Back Bumper W/ External Bolt On Tow Hitch Holes By Valley Chrome
VALLEY CHROME PLATING
$808.99Valley Chrome 16 Inch SBA Single Break Back Bumper With Cutouts For External Bolt On Tow HitchEnhance your vehicle's durability and style with our 16-inch chrome-plated steel bumper, designed for robust performance and a sleek look. Featuring convenient...$808.99 -
Peterbilt 357 378 379 22 Inch Blind Mount Bumper W/ Mitered Ends & Center Tow Hole By Valley Chrome
VALLEY CHROME PLATING
$1,343.99Valley Chrome Blind Mount Mitered End BumperUpgrade your vehicle with our Chrome-Plated Steel Bumper, standing tall at 22 inches in height. Designed and manufactured in the USA as an aftermarket replacement part (not OEM), this bumper features center tow...$1,343.99 -
Peterbilt 357 378 379 20 Inch Chrome Bumper W/ Miter Ends, UST Mounting Plates & Tow Holes By Valley Chrome
VALLEY CHROME PLATING
$1,068.99Valley Chrome 20 Inch Boltless UST Bumper With Miter EndsTransform your vehicle's front end with our Chrome-Plated Steel Bumper, standing tall at 20 inches for enhanced protection and style. Crafted in the USA, this aftermarket replacement part (not OEM)...$1,068.99 -
Peterbilt, Kenworth, Freightliner 22 Inch Texas Blind Mount Chrome Bumper W/ Boxed Ends - Tow & 17 Rnd 2 Inch Light Holes By Valley Chrome
VALLEY CHROME PLATING
$1,393.99Valley Chrome Texas Bumper W/ Boxed EndsEnhance your vehicle's rugged appeal with our Chrome-Plated Steel Bumper, standing tall at 22 inches to command attention on and off the road. Crafted in the USA, this aftermarket replacement part (not OEM) boasts...$1,393.99 -
Peterbilt, Kenworth, Freightliner 18 Inch Square Chrome Bumper W/ Hand Rolled Ends & Tow Holes By Valley Chrome
VALLEY CHROME PLATING
$1,037.99Valley Chrome Square hand Rolled End BumperUpgrade your vehicle's exterior with our Chrome-Plated Steel Bumper, standing at a sturdy 18-inch height. This aftermarket replacement part (not OEM) features strategically placed tow holes for added. Crafted in...$1,037.99