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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5 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 5.5 Inch Diameter Flange For CAT 3406/C15
AUTOMANN USA
$28.265 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo Pipe * Turbo OD Universal Turbo Flange * Style A* Made of Aluminized Steel* 5 Inch OD* 6 Inch Length* 5.88 Inch Diameter On Flange* Fits 3406 and C15 CAT * Use With VB-588C V-Band Clamp* Use With...$28.26 -
Chrome Plastic Rectangular Speaker Cover - 7 3/4 X 4 7/8 Inch For Peterbilt
GRAND GENERAL
$22.95Rectangular Speaker Cover With Chrome Screen Fits Peterbilt 357, 378, 379, 385, 386, 389, 389 Glider * High Quality Speaker Cover* Chrome-Plated Plastic* Dimensions:- 4 7/8 Inch Width- 7 3/4 Inch Height* Rectangular* With Screen* Sold Individually*...$22.95 -
Turn Signal Handle For Peterbilt 378, 379, 385, 386, 388 & 389
LIFETIME NUT COVERS
$22.12Turn Signal Handle Fits PeterbiltIndicate you are intending to turn left or right to the other vehicles around you with this turn signal handle by Lifetime Nut Covers. It fits various Peterbilt trucks and is easy to install. The handle is sold...$22.12 -
Chrome Cup Holder Insert For Peterbilt 335, 378, 379, 386, 388, 389
GRAND GENERAL
$11.38Peterbilt Chrome Plated Plastic Cup Holder InsertKeep your drink in place inside your Peterbilt truck with this convenient cup holder insert by Grand General. It is made of durable and strong chrome plated plastic and is sold individually. * High Quality...$11.38 -
Stainless Upper Door Sill Trim For Peterbilt With Cab Mount Mirrors 2006 & Newer-Rivet Mount
TURNPIKE TRUCK TRIM
$79.99Rivet Mount SS Upper Door Sill Trim Fits Peterbilt 2006-Newer 300 Series Conventional Cabs With Cab Mounted MirrorsThis Pair Of High Quality Upper Door Trim With Dimples Is Made Of Stainless Steel. They Mount Just Below The Window On The Door With...$79.99 -
Cab Fresh Replacement Filter For Peterbilt
CAB FRESH FILTER CO.
$19.37Interior Replacement Filter Fits PeterbiltFind aftermarket CAB Fresh replacement air filters for your Peterbilt at 4 State Trucks. It mounts under the dash in the interior of your cab and features built in technology that minimizes odors for around 6...$19.37 -
Black Plastic Coolant Reservoir Cap With Nipple Replaces N5348001 For Kenworth & Peterbilt
TPHD
$29.6215 PSI Coolant Reservoir CapReplace a worn out cap on your coolant reservoir, with this durable and direct replacement cap with a nipple. It features a warning message in an easy to read yellow text on top of the cap to act as a reminder. This cap is...$29.62 -
Adapter Plug For Speedometer & Tachometer, Replaces 17-03190, 17-03183
ISSPRO
$46.99Speedometer & Tachometer Adapter PlugAt 4 State Trucks, we offer top of the line aftermarket Isspro adapter plugs for speedometer and tachometers. This adapter plug is for when installing Isspro speedometer and tachometer without cutting into the factory...$46.99 -
12 Gauge Customs 9 1/2 x 6 1/2 Inch Bowtie Visor For Peterbilt
TWELVE GAUGE
$407.999 1/2 x 6 1/2 Inch SS Bowtie Visor * High Quality Visor* Non Magnetic 14 Gauge Stainless Steel * 9 1/2 Inch x 6 1/2 Inch * Bow Tie Style* Bolt In Center Bracket* Fasteners (Included)* Sold Individually * Warranty On Visors Against Defects In Workmanship...$407.99 -
9 X 8.5 X 4.25 Inch Stainless Steel Dual Cup Holder
TWELVE GAUGE
$333.99Stainless Steel Cup Holder Holds 2 Cups * High Quality Cup Holder* Made Of Stainless Steel* Dimensions - 8.5 Inch Length- 4.25 Inch Width- 9 Inch Height* Holds Two Cups* Flat With 4 Screw Holes For Mounting * Bottom Mounting Flange 10.25 x 4.25 Inch*...$333.99 -
Rockwood Stainless Steel Control Panel With 4 Switches For Peterbilt
ROCKWOOD
$57.99SS 4 Switch Air Brake Control Panel W/ EngravingsEnhance the look of your dashboard panel with this stainless steel trim. It has pre-cut holes for 4 switches, a lighter, an accessory, and 2 parking brake knobs. Rockwood takes pride in crafting all their...$57.99 -
Stainless Steel 9.75 X 3.00 Inch Air Tank Straps For Peterbilt 379, 378, 386 & 389
PHOENIX DESIGN
$126.99Stainless Steel Air Tank Strap Fits Peterbilt 300 Series * High Quality Air Tank Straps* Stainless Steel* Dimensions- 9.75 Inch Length- 3 Inch Width * Sold As Set* Warranty On Air Tank Straps Against Defects In Workmanship & Material From Date Of...$126.99