View 1 Photo View 0 Videos 2020 Peterbilt 389 Steering Column Recently Updated $550 USD GOOD USED STEERING COLUMN ASSY, Engine Make: Cummins, Engine Model: X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-17 MLS Number14268216CategorySteering Columns Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 389 Headlight Assembly Recently Updated $595 USD GOOD USED RH HEADLAMP?HEADLIGHT ASSY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-16 MLS Number14268215CategoryHeadlight Assemblies Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 389 DPF Filter Recently Updated $3,495 USD GOOD USED DPF ASSY, X15 CUMMINS ENGINE, Engine Make: Cummins, Engine Model: X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-14 MLS Number14268213CategoryDiesel Particulate Filters (DPF) Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 389 Charge Air Cooler (ATAAC) Recently Updated $1,195 USD GOOD USED COOLING PACK ASSY WILL PRESSURE CHECK, 90 DAY WARRANTY, Engine Make: Cummins, Engine Model: X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-1 MLS Number14268212CategoryIntercoolers & Charge Air Coolers Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 389 DEF Tank Recently Updated $395 USD GOOD USED DEF TANK ASSY, Engine Make: Cummins, Engine Model: X15 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-13 MLS Number14268211CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Sheppard M100 PRZ32 Steering Gear / Rack for a 2020 Peterbilt 389 Recently Updated $395 USD GOOD USED STEERING GEAR ASSY, 90 DAY WARRANTY, Serial#: GET ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-8 MLS Number14268210CategorySteering Gears / Racks Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 389 Front Axle Assembly Recently Updated Contact for price GOOD USED MFS12E FRONT AXLE ASSY, COMPLETE OR FOR PARTS, Hub Bolts: 10, Brake Type: DISC, Axle Make: MERITOR, Axle Model: MFS12E ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-7 MLS Number14268209CategoryAxle Assemblies, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2020 Peterbilt 389 Left Fuel Tank Recently Updated $395 USD GOOD USED LH FUEL TANK ASSY 53X25, Dimensions: 53X25, Material: Aluminum, Fuel Tank Shape: Round ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020SideLEFTStock Number31426-5 MLS Number14268207CategoryFuel Tanks (Truck) Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Peterbilt 389 Right Side View Mirror Recently Updated $200 USD GOOD USED RH MIRROR, LOWER ROUND MIRROR IS BAD. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020SideRIGHTStock Number31426-12 MLS Number14268206CategorySide View Mirrors Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2020 Peterbilt 389 Right Door Recently Updated $895 USD GOOD USED RH DOOR ASSY, POWER WINDOW, NO MIRROR., Window Type: Power ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020SideRIGHTStock Number31426-11 MLS Number14268205CategoryDoors Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Rear Axle Housing for a 2020 Peterbilt 389 Recently Updated $1,095 USD GOOD USED REAR AXLE HOUSING MT40-14X ON AG400L SUSPENION, Hub Bolts: 10, Suspension: AG400L, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-10 MLS Number14268204CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Fuller RTLO18918B Transmission for a 2020 Peterbilt 389 Recently Updated $3,995 USD RTLO18918B USED TAKEOUT, WILL INSPECT AND DYNO TEST IN OUR GEARSHOP. 90 DAY WARRANTY., Serial#: NA, Engine Make: Cummins, Engine Model: X15 ConditionUsedEngine ModelCummins X15Fits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-9 MLS Number14268203CategoryTransmissions Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Stud Pilot / Budd Front Hub Recently Updated $150 USD USED HUB LH SIDE, CAST STEEL, 10 HOLD STUD "BUD" PILOT. RH STUDS. INNER BEARING H715345-11, Serial#: 102863, Wheel Make: NA, ABS?: TRUE, Casting#: 102863 ConditionUsedPart Number102863Stock NumberP-61007 MLS Number14268202CategoryHubs Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Front Differential for a 2020 Peterbilt 389 Recently Updated $1,495 USD MT40-14X 3.25 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY., Ratio: 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-2 MLS Number14268201CategoryDifferentials, Front Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Meritor-Rockwell MT-40-14X Rear Differential for a 2020 Peterbilt 389 Recently Updated $995 USD MT20-14X 3.25 RATIO USED TAKEOUT, WILL INSPECT IN OUR GEARSHOP 90 DAY WARRANTY., Ratio: 3.25 ConditionUsedRear End3.25 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock Number31426-3 MLS Number14268200CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Stud Pilot / Budd Rear Hub Recently Updated $150 USD GOOD USED HUB. OUT BOARD BRAKES 10 HOLE HUB PILOT, 8 HOLE AXLE SHAFT STUD, Serial#: NA, Wheel Make: NA, ABS?: TRUE, Casting#: HR612 ConditionUsedPart NumberHR612Stock NumberHR-612 MLS Number14268199CategoryHubs Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1995 Peterbilt 378 Headlight Assembly Recently Updated $350 USD GOOD USED RH HEADLAMP ASSY OFF 1995 PETERBILT 378 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-15 MLS Number14264210CategoryHeadlight Assemblies Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Used 1995 Peterbilt 378 Grille Insert Assembly Recently Updated $350 USD GOOD USED GRILLE INSERT ASSY, OUTER PIECE IS BAD. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-21 MLS Number14264209CategoryGrilles Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Used 1995 Peterbilt 378 Speedometer Gauge, Serial # 9CK1378 Recently Updated $175 USD GOOD USED SPEEDOMETER GAUGE, Serial#: 9CK1378, Gauge Type: Speedometer ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-19 MLS Number14264207CategoryGauges Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1995 Peterbilt 378 Steering Column Recently Updated $350 USD GOOD USED STEERING COLUMN ASSY PETE 378, Engine Make: Caterpillar, Engine Model: C12 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-18 MLS Number14264206CategorySteering Columns Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1995 Peterbilt 378 Tool Box Recently Updated $250 USD GOOD USED TOOLBOX STEP ASSY. ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-14 MLS Number14264203CategoryTool Boxes Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 1995 Used 18 ft Dump Bed Assembly, Fits Peterbilt 378, Serial # 9CK1378 Recently Updated Contact for price GOOD USED 18FT DUMP BED ASSY. HAS BEEN LAID ON ITS SIDE, HAS ROAD RASH., Serial#: 9CK1378, Length: 18'' ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-13 MLS Number14264202CategoryTruck Bodies / Boxes / Beds Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1995 Peterbilt 378 Side View Mirror Recently Updated $200 USD GOOD USED RH MIRROR ASSY ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-12 MLS Number14264201CategorySide View Mirrors Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 1995 Peterbilt 378 Left Door Recently Updated $495 USD GOOD USED RH DOOR ASSY, AIR WINDOW, Window Type: Other ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995SideLEFTStock Number31926-11 MLS Number14264200CategoryDoors Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Eaton DS403 Rear Axle Housing for a 1995 Peterbilt 378 Recently Updated $1,295 USD RS403 RR AXLE HOUSING ON AIR TRAC SUSPENSION DRUM BRAKE, Hub Bolts: 10, Suspension: AIR TRAC, Brake Type: DRUM ConditionUsedFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-10 MLS Number14264199CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info