View 5 Photos View 0 Videos Proheat XL900-12 Diesel Heater for 2001 Peterbilt 378, Part # XL900-12 Contact for price Proheat Model XL900-12 diesel heater. Serial # A2809. Call for details we ship everywhere, Serial#: A2809, Casting#: A2809 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2001Part NumberXL900-12Stock NumberPT-0644-12 MLS Number10787870CategoryExterior Misc. Parts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2004 Peterbilt 378 Front Axle Assembly Contact for price Eaton EFA20F4 Front Steer Axle For Sale - Hub to Hub - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Serial#: EFA20F4,... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Capacity20000Stock NumberPT-0653-3 MLS Number10830690CategoryAxle Assemblies, Front Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 22 Photos View 0 Videos 2004 Peterbilt 378 Cab Assembly Contact for price 2004 Peterbilt 378 Cab For Parts - Shell, dash, seats, doors, mirrors, clusters, modules and upholstery sold separately - Used - May have some cosmetic blemishes (see photos). Give us a... ConditionUsedEngine ModelCaterpillar C15Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-7 MLS Number10830694CategoryCabs Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 11 Photos View 0 Videos 2004 Peterbilt 378 Hood for Parts, 55" Length Contact for price 2004 Peterbilt 378 Hood for Parts - Length: 55 inch - Part has some damage (see photos) - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-8 MLS Number10830695CategoryHoods Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2004 Peterbilt 378 Battery Box Contact for price 2004 Peterbilt 378 Battery Box For Sale - No Cover - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-9 MLS Number10867173CategoryBattery Boxes / Trays Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2004 Peterbilt 378 Interior Dog House / Cup Holder Contact for price 2004 Peterbilt 378 Interior Dog House / Cup Holder For Sale P/N - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere.,... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-12 MLS Number10867176CategoryInterior Misc. Parts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2004 Peterbilt 378 Instrument Panel Cluster Contact for price 2004 Peterbilt 378 Dashboard Gauge Cluster Panel For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedEngine ModelCaterpillar C15Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Part NumberTBDStock NumberPT-0653-14 MLS Number10867178CategoryInstrument Panel Clusters Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2004 Peterbilt 378 Instrument Panel Cluster Contact for price 2004 Peterbilt 378 Dashboard Switch Control Panel For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. - Engine Make... ConditionUsedEngine ModelCaterpillar C15Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Part NumberTBDStock NumberPT-0653-15 MLS Number10867179CategoryInstrument Panel Clusters Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2004 Peterbilt 378 Left Door Contact for price 2004 Peterbilt 378 Door For Sale - LH / Driver Side - Manual door complete with interior panel, glass and exterior shell - Used - May have some cosmetic blemishes (see photos). Give us a... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004SideLEFTStock NumberPT-0653-20 MLS Number10867183CategoryDoors Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Used 2004 Peterbilt 378 Tow Hook Contact for price 2004 Peterbilt 378 Tow Hook For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-22 MLS Number10867185CategoryMiscellaneous Truck Parts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos 2004 Peterbilt 378 Left Side View Mirror Contact for price 2004 Peterbilt 378 Side View Mirror For Sale - LH / Driver Side - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004SideLEFTStock NumberPT-0653-23 MLS Number10908001CategorySide View Mirrors Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Used 2004 Peterbilt 378 Exhaust Brackets, Part # 14264AA Contact for price 2004 Peterbilt 378 Exhaust Brackets For Sale P/N 14264AA - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Part Number14264AAStock NumberPT-0653-26 MLS Number10908004CategoryExterior Misc. Parts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2004 Peterbilt 378 Air Tank Contact for price 2004 Peterbilt 378 Air Tanks For Sale - Dimensions: 31"x10" - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Material:... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-28 MLS Number10908006CategoryAir Tanks Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2004 Peterbilt 378 Air Tank Contact for price 2004 Peterbilt 378 Air Tanks For Sale - Dimensions: 22"x10" - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. air tank... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-29 MLS Number10908007CategoryAir Tanks Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2004 Peterbilt 378 Engine Mount Contact for price Caterpillar C15 Front Engine Mount For Sale P/N - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Air/Hydraulic:... ConditionUsedEngine ModelCaterpillar C15Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-32 MLS Number10908021CategoryEngine Mounts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2004 Peterbilt 378 Radiator Contact for price 2004 Peterbilt 378 Radiator Assembly / Cooling Pack For Sale - Complete with radiator, CAC, AC condenser and Shroud - Used - May have some cosmetic blemishes (see photos). Give us a shout by... ConditionUsedEngine ModelCaterpillar C15Fits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2004Stock NumberPT-0653-35 MLS Number10923033CategoryRadiators Last Updated6/13/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2005 Peterbilt 378 Air Tank Contact for price 2005 Peterbilt 378 31" Air Tanks For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Material: Aluminum ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Stock NumberPT-0625-32 MLS Number11396424CategoryAir Tanks Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2005 Peterbilt 378 Crossmember Contact for price 2005 Peterbilt 378 Crossmember For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Stock NumberPT-0625-33 MLS Number11396425CategoryCrossmembers Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2005 Peterbilt 378 Cab Mount Contact for price 2005 Peterbilt 378 Front Cab Mount For Sale P/N 2016551M000 - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Part Number2016551M000Stock NumberPT-0625-35 MLS Number11396427CategoryCab Mounts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2005 Peterbilt 378 Power Steering Reservoir Contact for price 2005 Peterbilt 378 Power Steering Reservoir For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Stock NumberPT-0625-36 MLS Number11396428CategoryPower Steering Reservoirs Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2005 Peterbilt 378 Driveshaft Contact for price 2005 Peterbilt 378 50" Driveshaft For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Series: other ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Stock NumberPT-0625-37 MLS Number11396430CategoryDriveshafts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2005 Peterbilt 378 Driveshaft Contact for price 2005 Peterbilt 378 38" Driveshaft For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere., Series: other ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Stock NumberPT-0625-38 MLS Number11396431CategoryDriveshafts Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2005 Peterbilt 378 Exhaust Pipe Contact for price 2005 Peterbilt 378 Exhaust Y-Pipe For Sale - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Stock NumberPT-0625-39 MLS Number11396432CategoryExhaust Pipes Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2005 Peterbilt 378 Hood Hinge Contact for price 2005 Peterbilt 378 Hood Hinge For Sale P/N 1304708 - Used - May have some cosmetic blemishes (see photos). Give us a shout by phone, email, or text. We ship everywhere. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)2005Part Number1304708Stock NumberPT-0625-40 MLS Number11396433CategoryHood Hinges Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1998 Peterbilt 378 Steering Column Contact for price Peterbilt 378 Steering Column in working condition Call for more information, we ship anywhere., Engine Make: Caterpillar, Engine Model: 3406E ConditionUsedEngine ModelCaterpillar 3406EFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1998Stock NumberPT-0460-42 MLS Number11647845CategorySteering Columns Last Updated5/14/2026 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info