View 7 Photos View 0 Videos 2007 Used Peterbilt 378 SET, Mud Flap Hangers $95 USD Used 378 SET, Mud Flap Hangers, Dimensions: 7.00"x27.50", Side: Set, Type: J-Type ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2007SideSetStock Number727-10620 MLS Number14005184CategoryMud Flap Hangers Last Updated3/21/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2007 Used Peterbilt 378 RH Exhaust Stack $850 USD Used 378 RH Exhaust Stack, Side: Passenger, Style: N/A, Type: Exhaust Stack, Length: 120.00", Width: - ConditionUsedL x W120.00" x -Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2007SidePassengerStock Number639-11793 MLS Number14005181CategoryExhaust Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2007 Used Peterbilt 378 LH Exhaust Stack $850 USD Used 378 LH Exhaust Stack, Side: Driver, Style: N/A, Type: Exhaust Stack, Length: 122.00", Width: 8.00" ConditionUsedL x W122.00" x 8.00"Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2007SideDriverStock Number639-11792 MLS Number14005180CategoryExhaust Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2007 Used Peterbilt 378 Fifth Wheel Crossmember $361 USD Used 378 Fifth Wheel Crossmember, W x H x L: 13.25"x9.50"x33.25" ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2007Stock Number648-12855 MLS Number13984104CategoryCrossmembers Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 12 Photos View 0 Videos 2007 Used Peterbilt 378 Tool Box $395 USD Used 378 Tool Box, Side: Passenger, Width: 29.50", Height: 13.25", Material: Aluminum, Steps: Yes, Latch/Strap: N/A ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2007SidePassengerStock Number693-10341 MLS Number13984103CategoryTool Boxes Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 13 Photos View 0 Videos 2007 Used Peterbilt 378 Hood $2,260 USD Used 378 Hood, Color: White/Blue, Centerline: 61.00" ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2007Part Number1304821Stock Number612-14952 MLS Number14044533CategoryHoods Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Used Peterbilt 378 Hood Hinge $150 USD Used 378 Hood Hinge, Side: Passenger ConditionUsedSidePassengerPart Number1304708RStock Number674-10394 MLS Number13230510CategoryHood Hinges Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2005 Used Peterbilt 378 RH Exhaust Stack Bracket $135 USD Used 378 RH Exhaust Stack Bracket, Side: Passenger, Type: Exhaust Stack Bracket, Length: 7.50", Width: 9.00" ConditionUsedL x W7.50" x 9.00"Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005SidePassengerPart Number1415638RStock Number639-10636 MLS Number10749402CategoryExhaust Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 8 Photos View 0 Videos 2005 Used Peterbilt 378 RH Sleeper Door $162 USD Used 378 RH Sleeper Door, Side: Passenger, Color: White ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005SidePassengerStock Number667-10383 MLS Number10753112CategorySleeper Doors Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Aftermarket Peterbilt 378 5" Drop Chop Window Chop $68 USD New Aftermarket 378 5" Drop Chop Window Chop, Position: Cab Exterior, Size: 5", Side: Set, Type: Chopped Window Visor, Material: Steel Quantity2ConditionUsedSideSetPart NumberP1068Stock Number654-10195 MLS Number10413603CategorySun Visors Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos New Peterbilt 357/378 119" BBC SFA Hood Shell Contact for price New Peterbilt 357/378 119" BBC SFA Hood Shell., Color: White/Sandable Gel Coat, Centerline: 55" ConditionUsedPart NumberJP-P05Stock Number612-12061 MLS Number8942729CategoryHoods Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2007 Peterbilt 378 Radiator $135 USD 07-05849M000 PIPE-ELBOW INTERMED W/O DRAIN COCK HOLE ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number103132 MLS Number13142881CategoryRadiators Last Updated1/22/2026 LocationSalt Lake City, UT, US Sold ByVriens Truck Parts (801) 478-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1998 Peterbilt 378 Fuse Box $848 USD (USED) Peterbilt 378 Engine : CAT C12 Transmission: VERIFY MOUNTS TO FIREWALL, DOES NOT INCLUDE WIRING ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number25697767 MLS Number13130554CategoryFuse Boxes & Panels Last Updated1/17/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1998 Peterbilt 378 Fuel Tank $775 USD (USED) Peterbilt 378 Gallons: 90 Length: 40 Width/Dia: 26 Height: - ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number25708900 MLS Number13193599CategoryFuel Tanks (Truck) Last Updated1/8/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos 1990 Peterbilt 378 Salvage Truck Contact for price 2021 Peterbilt 378 Day Cab Tandem Axle;, Caterpillar 3176A, 242 HP, AR#- 7E9903, S/N- 2YG08779;, Eaton/ Fuller Manual Transmission;, DS402 Diff, Ratio 4.56;, RS402 Diff, Ratio 4.56;,... ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number4316 MLS Number14029108CategorySalvage Trucks Last Updated12/27/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Used 1997 Peterbilt 378 SFA Red Complete Hood 60.5" Length $4,165 USD (USED) Peterbilt 378 SFA/SBA: SFA Color: RED Type: COMPLETE Length: 60.5 COMPLETE RH HEADLIGHT CRACKED BOTTOM OF LH FENDER CRACKED RH WHEEL WELL CRACKED ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number25708931 MLS Number13193584CategoryHoods Last Updated3/23/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1988 Peterbilt 378 Radiator Contact for price Radiator for 1988 Peterbilt 378 with Cummins Big Cam 4 Engine ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number1511-11 MLS Number13893133CategoryRadiators Last Updated12/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1996 Peterbilt 378 Front Axle Assembly $1,500 USD ConditionUsedSuspensionSpringFits To Make(s)PETERBILTFits To Model(s)378Stock Number8627 MLS Number10893572CategoryAxle Assemblies, Front Last Updated12/6/2025 LocationEnfield, CT, US Sold ByCamerota Truck Parts (855) 750-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1999 Peterbilt 378 Battery Box Contact for price 1999 Peterbilt 379 Driver Side LH Battery Box, 29"L x 14"W x 12"H, 4 Battery Capacity. ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number1973-14 MLS Number13897892CategoryBattery Boxes / Trays Last Updated12/5/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2005 Peterbilt 378 Fuel Tank $581 USD (USED) Peterbilt 378 Gallons: 89 Length: 40 Width/Dia: 26 Height: - SHALLOW DENTS NEAR SEAM UNDER STRAPS ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number25717431 MLS Number13236041CategoryFuel Tanks (Truck) Last Updated12/3/2025 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1988 Peterbilt 378 Air Cleaner / Air Filter Housing $400 USD PETERBILT STAINLESS WRAPPED STEEL AIR CLEANER ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378Stock Number51053 MLS Number13993062CategoryAir Cleaners / Air Filter Housings Last Updated11/20/2025 LocationSalt Lake City, UT, US Sold ByVriens Truck Parts (801) 478-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2008 Peterbilt 378 Right Bracket $320 USD 29-02784M001 SUPPORT-SLPR RH HIGH MT*C CAST# 29-02784M000 Quantity2ConditionUsedFits To Make(s)PETERBILTFits To Model(s)378SideRightStock Number5251 MLS Number13010281CategoryBrackets, Misc. Last Updated11/20/2025 LocationSalt Lake City, UT, US Sold ByVriens Truck Parts (801) 478-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 1995 Peterbilt 378 Air Cleaner / Air Filter Housing $175 USD (USED) Peterbilt 378 Size: 11 Material: STEEL Style: DONALDSON Location: INTERNAL Ref# EBA11-2403 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Part NumberEBA11-2403Stock Number25738122 MLS Number13315439CategoryAir Cleaners / Air Filter Housings Last Updated10/18/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 30 Photos View 0 Videos 1999 Peterbilt 378 Day Cab Truck $24,900 USD 1999 PETERBILT 378 Day Cab, **Low Miles**, 6X4, wet kit, Caterpillar C12/C13, 400 h.p.10 spd transmission, spring suspension, differential lock, sliding fifth wheel, double frame, 76,219... ConditionUsedStock NumberSMZ0iLKW217744 MLS Number13847428CategoryDay Cab Semi Trucks Last Updated1/9/2026 LocationAvenel, NJ, US Sold ByProxy Equipment (844) 734-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2006 Peterbilt 378 Air Cleaner / Air Filter Housing $175 USD (USED) Peterbilt 378 Size: 11 Material: STEEL Style: DONALDSON Location: INTERNAL ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Stock Number25795643 MLS Number13575817CategoryAir Cleaners / Air Filter Housings Last Updated9/10/2025 LocationKansas City, MO, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info