Every part we've matched to the Peterbilt 378 — 1,457 parts across 17 categories, each linked to its full interchange numbers.
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| Category | Brand | Part number | Description |
|---|---|---|---|
| Bearing | Cr | set423 | SKF SET423 SKF Bearing SET423 For International Freightliner… |
| Bearing | Cr | set424 | SKF SET424 SKF Tapered Rolling Bearing Cup & Cone Inner Half… |
| Bearing | Skf | set413 | SKF SET413 SKF Bearing SET413 For International Freightliner… |
| Bearing | Skf | set428 | SKF SET428 SKF Bearing SET428 For International Freightliner… |
| Belt | Automann | 819.38535 | Belt Tensioner Assembly |
| Belt | Automann | 822.A080570 | Poly Rib Serpentine Belt |
| Belt | Automann | 822.A080728 | Poly Rib Serpentine Belt |
| Belt | Automann | 822.A080740 | Poly Rib Serpentine Belt |
| Belt | Automann | 822.A081024 | Poly Rib Serpentine Belt |
| Belt | Automann | 822.A120890 | Poly Rib Serpentine Belt |
| Body | Automann | HLK1035 | Hood Latch Ken-Pete |
| Body | Automann | HLK1035K | Hood Latch Kit Ken-Pete |
| Body | Automann | HLK1065 | Exterior Handle LH Peterbilt |
| Body | Automann | HLK1066 | Exterior Handle RH Peterbilt |
| Body | Automann | HLK2047 | Hood Cable Peterbilt |
| Body | Automann | HLK2049 | Door Check Kit Peterbilt |
| Brake | Dayton Parts | 02-217 | Anchor Pin - Bushing Stainless |
| Brake | Monroe | 650101 | MONROE 650101 SHOCK ABS |
| Brake | Peterbilt | BRAKE | PETERBILT 378 BRAKE CONTROL MODULE S446-004-426-0 446 004 426… |
| Brake | ROCKWOOD | PE325EBC | Stainless Steel Engine Brake & Cruise Control Plate For Peter… |
| Brake | ROCKWOOD | PT330E | Stainless Steel Control Panel With Parking Brake For Peterbil… |
| Brake | UNITED ACCESSORIES | 202742 | Glossy "Trailer" Air Valve Knob Sticker |
| Cooling | Automann | 561.75508SS | Upper Radiator Pipe Peterbilt 304SS |
| Cooling | Automann | 813.75101 | Condenser Peterbilt |
| Cooling | Automann | HLK1102 | HVAC Knob Kit Peterbilt |
| Cooling | CONTINENTAL AG | 60832 | CONTINENTAL AG 60832 Designed to transfer glycol-based coolan… |
| Cooling | CONTINENTAL AG | 66552 | CONTINENTAL AG 66552 Designed to transfer glycol-based coolan… |
| Cooling | CUMMINS | 3940632 | Cummins Thermostat |
| Coupling | HERD BUMPERS | 01-01323ST | Herd Defender 4 Post Grille Guard Bumper With Slam Latch & Au… |
| Coupling | MAGNUM TRAILER | 01-013000299 | Aluminum 4 Post Sasquatch Moose Bumper W/ XL Vertical Grille… |
| Coupling | MAGNUM TRAILER | 01-013001095 | Aluminum Sasquatch 4 Post Moose Bumper Guard W/ Center Tow, X… |
| Coupling | PHOENIX DESIGN | 01-010600000 | Stainless Steel Tow Pin Cover For Peterbilt 378, 379 |
| Coupling | Peterbilt | 60890 | Bumper Tow Pin Covers for 1987-2007 Peterbilt 378 379 Stainle… |
| Coupling | VALLEY CHROME PLATING | HC0010010 | 12 Inch Chrome Economy Standard Taper Bumper W/ Rolled Ends,… |
| Driveline | BESTFIT TRUCK PARTS | 01-070000026 | BESTfit AC Compressor Sanden Sd5H14Hd Style W/ 1 Groove 122MM… |
| Driveline | UNITED PACIFIC | 01-150100230 | Stainless Steel Lift Axle Switch Plate - Down Up For Peterbil… |
| Electrical | Automann | 178.22SI-145AP | Alternator 22SI Type 145 AMP Pad Mount |
| Electrical | Automann | 178.24SI-160AP | Alternator 24SI Type 160 AMP Pad Mount |
| Electrical | Automann | 178.28SI-180AP | Alternator 28SI Type 180 Amp Pad Mount |
| Electrical | Automann | 178.28SI-200AP | Alternator 28SI Type 200 Amp Pad Mount |
| Electrical | Automann | 178.35SI-140AQ | Alternator 35SI Type 140 Amp Quad Mount |
| Electrical | Automann | 178.36SI-170AJ | Alternator 36SI Type 170 Amp J Mount |
| Engine | Automann | 564.75022 | Fender Liner RH-LH Peterbilt 379 |
| Engine | Automann | 800.7C4957 | Water Pump CAT 3406B/C |
| Engine | Automann | HLK7030 | Wiper Nozzle Kit Peterbilt |
| Engine | BEPCO | 7060X | Bepco Water Pump |
| Engine | BEPCO | 7067X | Bepco Water Pump |
| Engine | Caterpillar | 2123463 | Injector - Rebuilt | Ref# (NEW) |
| Exhaust | Dayton Parts | 674-9666 | Exhaust Clamp |
| Exhaust | BESTFIT TRUCK PARTS | 01-080200 | 9 Inch Diameter Muffler With Built In Y-Pipe For Peterbilt 37… |
| Exhaust | BESTFIT TRUCK PARTS | 01-0813056 | Peterbilt 378, 379 Chrome 5 Inch OD 58 Degree Exhaust Elbow b… |
| Exhaust | BESTFIT TRUCK PARTS | 01-081753056 | Peterbilt 378, 379 7 To 5 Inch OD Chrome Steel 58 Degree Exha… |
| Exhaust | BESTFIT TRUCK PARTS | 01-081853056 | Peterbilt 378, 379 8 To 5 Inch 58 Degree Chrome Exhaust Elbow… |
| Exhaust | BESTFIT TRUCK PARTS | 01-08K810 | BESTfit Chrome 8 Inch Exhaust Kit With Long Drop Elbows For P… |
| Fastener | BUYERS PRODUCTS | 66003 | BUYERS PRODUCTS 66003 Yellow Zinc Plated Linch Pin, 3/16" Dia… |
| Fastener | LOAD-SHARE SUSPENSIONS | 29-050925 | U Bolt Kit 8 X 4 Inch For Peterbilt 378, 379 |
| Filter | Acdelco | pf911l | ACDELCO PF911L LUBE FILTER |
| Filter | Acdelco | tp915d | ACDELCO TP915D Fuel Filter |
| Filter | Automann | 840.OF2395MPG | Engine Oil Filter Max Perf Glass Detroit |
| Filter | Baldwin | BF580 | Baldwin Fuel Filter - Part No. BF580 w/ Dents |
| Filter | Baldwin | BW5075 | New Baldwin BW5075 Coolant Filter |
| Filter | Cummins | 3831133 | corrosion resistor element |
| Fluid | GATES | 31286 | Engine Oil Filler Cap |
| Fluid | Automann | 575.10116 | Washer Fluid Reservoir Freightliner |
| Fluid | BESTFIT TRUCK PARTS | 01-09051301 | 13 Inch Stainless Steel Air Cleaner With 7 Inch Intake By BES… |
| Fluid | PHOENIX DESIGN | 01-090500060 | 15 Inch Stainless Steel Blank Front Air Cleaner Panels For Pe… |
| Fluid | PHOENIX DESIGN | 01-090500062 | 15 Inch Stainless Steel Rear Air Cleaner Panels W/ 12 P3 Red/… |
| Fluid | PHOENIX DESIGN | 01-090500064 | 15 Inch Stainless Steel Rear Air Cleaner Panels W/ 12 Round R… |
| Hardware | AVERY'S FLOOR MATS | 01-1512040 | Black Front Floor Mats For Peterbilt 378, 379, 386, 388 & 389… |
| Hardware | AVERY'S FLOOR MATS | 01-1512082 | Medium Dark Gray Carpet Front Floor Mat W/ Out Thermos Holder… |
| Hardware | BELMOR | 01-122127 | Belmor Aeroshield II Smoked Poly/Aluminum Bug Shield For Pete… |
| Hardware | BESTFIT TRUCK PARTS | 01-05022000 | Peterbilt 378, 379, 389 Glider Diamond Plate Aluminum Tool Bo… |
| Hardware | FIBERTECH | 01-091600 | Roof Cap For Flat Top 20-13202 For Peterbilt 378, 379, 386, 3… |
| Hardware | FIBERTECH | 01-091600001 | Fiberglass Roof Cap For Peterbilt 378, 379, 386, 389 UltraCab |
| Hose | Donaldson | j000233 | DONALDSON J000233 CLAMP |
| Hose | Gates | 85600 | GATES 85600 HYD HOSE |
| Hose | AUTOMANN USA | 29-070128 | 6 Inch ID Rubber Air Intake Hump Hose Replaces 1AAA27 For Pet… |
| Hose | BESTFIT TRUCK PARTS | 01-08065001 | Peterbilt 378, 379,389 Glider 5 Inch Aluminized Taper Lock Y-… |
| Lighting | CONTINENTAL AG | 56016 | CONTINENTAL AG 56016 Designed for automotive and light indust… |
| Lighting | Wagner | 1816 | WAGNER 1816 Wagner Lighting 1816 Standard Multi-Purpose Light… |
| Lighting | Wagner | bp561 | WAGNER BP561 Wagner Lighting BP561 Standard Multi-Purpose Lig… |
| Lighting | CONTINENTAL AG | 56020 | CONTINENTAL AG 56020 Designed for automotive and light indust… |
| Lighting | CONTINENTAL AG | 56036 | CONTINENTAL AG 56036 Designed for automotive and light indust… |
| Lighting | CONTINENTAL AG | 56040 | CONTINENTAL AG 56040 Designed for automotive and light indust… |
| Seal | FEL-PRO | 1273 | FEL-PRO-Eng Coolant Gasket |
| Seal | GATES | 33635 | Gates thermostat gasket |
| Seal | STANT | 25104 | STANT-GASKET UNIVERSAL 4X6 |
| Seal | BESTFIT TRUCK PARTS | 01-0702005 | BESTfit Gasket For Radiator Core For Peterbilt 378, 379, 377 |
| Seal | PHOENIX DESIGN | 01-09051137 | Stainless Steel Rear Light Panels For 15 Inch Air Cleaner W/… |
| Seal | TWELVE GAUGE | 01-091100060 | Twelve Ga. Replacement Bug Glass Seal Kit For Peterbilt 378,… |
| Steering | Automann | 462.ES9001L | Tie Rod End |
| Steering | Automann | 462.ES9001R | Tie Rod End |
| Steering | Dayco | 89105 | DAYCO 89105 Idler/Tensioner Pulley, Heavy Duty |
| Steering | Dayton Parts | 310-455 | Steering Tie Rod End |
| Steering | Dayton Parts | 310-456 | Steering Tie Rod End |
| Steering | GATES | 36091 | DriveAlign Belt Drive Idler/Tensioner Pulley |
| Suspension | Automann | 103.1088 | Anchor Pin Bushing |
| Suspension | Automann | 104.1369 | Hood Spring Peterbilt |
| Suspension | Automann | M134708R | Lower Hood Pivot RH Peterbilt |
| Suspension | Automann | M75661 | Hood Spring Stud Peterbilt |
| Suspension | BESTFIT TRUCK PARTS | 01-12466 | BESTfit Hood Spring Stud Replaces 13-03761 For Peterbilt 378,… |
| Suspension | Dayton Parts | 441-83021 | Suspension - Shock Absorber |
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