View 1 Photo View 0 Videos 2026 Western Star 49X Coolant Reservoir $150 USD GOOD USED COOLANT OVERFLOW BOTTLE ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Stock Number100325-14 MLS Number13884959CategoryCoolant Reservoirs 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 2026 Western Star 49X Left Door $450 USD GOOD USED DOOR PANEL LH/ DRIVERS SIDE ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026SideLEFTStock Number100325-12 MLS Number13884957CategoryDoors 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 2026 Western Star 49X Right Door $1,495 USD GOOD USED RH/ PASSENGER DOOR, POWER NO MIRROR ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026SideRIGHTStock Number100325-11 MLS Number13884956CategoryDoors 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 2026 Western Star 49X Steering Column $1,495 USD GOOD USED STEERING COLUMN, Engine Make: Detroit, Engine Model: DD15 ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Stock Number100325-10 MLS Number13884954CategorySteering Columns 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 2026 Western Star 49X Instrument Panel Cluster $995 USD GOOD LOW MILE INSTRUMENT CLUSTER, Engine Make: Detroit, Engine Model: DD15 ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Stock Number100325-8 MLS Number13884951CategoryInstrument Panel Clusters 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 2026 Western Star 49X Radiator $1,995 USD COOLING PACK ASSEMBLY/ WITH FRAME AND COOLERS/ STANDARD TRANS, Engine Make: Detroit, Engine Model: DD15, With Frame: true ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Stock Number100325-7 MLS Number13884950CategoryRadiators Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Dana-Spicer D46-172HP Rear Axle Assembly for a 2026 Western Star 49X $3,495 USD GOOD LOW MILE DIFFERENTIAL ASSEMBLY LOCKER CRITICAL CORE NOTES, Ratio: 358 ConditionUsedRear End3.58 ratioFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Stock Number100325-6 MLS Number13884949CategoryAxle Assemblies, 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 Dana-Spicer D46-172HP Front Differential for a 2026 Western Star 49X $3,495 USD GOOD USED LOW MILE DIFFERENTIAL ASSEMBLY/CRITICAL CORE. NOTES, Serial#: NA, Core Charge: 1500.00, Ratio: 358, Clutch Housing Size: 1 ConditionUsedRear End3.58 ratioFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Part NumberD46-172PStock Number100325-5 MLS Number13884947CategoryDifferentials, Front Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 2026 Western Star 49X Front Axle Assembly $1,995 USD GOOD USED LOW MILE AXLE ASSEMBLY OR PARTS., Capacity: 13000, Serial#: NA, Hub Bolts: 10, Brake Type: DISC ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Capacity13000Part NumberNAStock Number100325-4 MLS Number13884946CategoryAxle Assemblies, Front 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 Freightliner AIRLINER Suspension for a 2026 Western Star 49X $10,995 USD GOOD LOW MILE SUSPENSION ASSEMBLY/ DISC BRAKE 46K DOUBLE LOCKERS D46-172 3.58 RATIO. SUSPENSION COMPONANTS GOOD FRAME HAS DAMAGE, Suspension Type: Air Spring ConditionUsedFits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Part Number46K AIRLINERStock Number100325-3 MLS Number13884945CategorySuspensions Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 1 Video Eaton-Fuller FRO18210C Transmission for a 2026 Western Star 49X $2,795 USD GOOD INSPECTED LOW MILE TAKEOUT. WILL DYNO TEST. 90 DAY WARRANTY EXCHANGE, Serial#: NA, Core Charge: 750.00, Engine Make: Detroit, Engine Model: DD15 ConditionUsedEngine ModelDetroit DD15Fits To Make(s)Western StarFits To Model(s)49XWill Fit Year(s)2026Stock Number100325-2 MLS Number13884944CategoryTransmissions Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Eaton DS402P Front Differential $2,095 USD REBUILT DS402P 3.55 . 12 MONTH PARTS AND LABOR WARRANTY. EXTENDED WARRANTY AVAILABLE., Axle Spline Count: 41, Serial#: 62121, Core Charge: EXCHANGE CRITICAL CORE 750.00, Ratio: 3.55 ConditionRemanufacturedPart Number62121Stock Number62121. MLS Number13883164CategoryDifferentials, Front Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Caterpillar Engine Control Module (ECM) $795 USD USED ECM/ CAT 40 PIN 3406E 1LW S/N GUARANTEED TO BE PROGRAMABLE., Serial#: 145-7806-01 ConditionUsedStock NumberP-60918 MLS Number13883160CategoryEngine Control Modules (ECM) 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 SLHD Axle Shaft $125 USD USED ROCKWELL SLHD AXLE SHAFT 6549 FOOTE# 1028 21 SPLINE 40 5/16 LENGTH 2.00 SPLINE OD 6 1/8 FLANGE OD 5 1/4 BOLT CIRCLE 12 HOLE ConditionUsedPart NumberB1166549Stock NumberW6549 MLS Number13883158CategoryAxle Shafts 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 1991 Peterbilt 379 Headlight Assembly $250 USD LH SINGLE HEADLAMP ASSY 91 379 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991Stock Number100525-22 MLS Number13883153CategoryHeadlight 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 1991 Peterbilt 379 Right Side View Mirror $250 USD RH MIRROR ASSY 91 379 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991SideRIGHTStock Number100525-20 MLS Number13883151CategorySide View Mirrors 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 1991 Peterbilt 379 Left Side View Mirror $250 USD LH MIRROR ASSY 91 379 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991SideLEFTStock Number100525-19 MLS Number13883150CategorySide 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 1991 Peterbilt 379 Right Door $395 USD RH MANUAL DOOR 91 379, Window Type: Manual ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991SideRIGHTStock Number100525-18 MLS Number13883149CategoryDoors 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 1991 Peterbilt 379 Left Door $395 USD LH DOOR ASSY MANUAL 91 PETE 379, Window Type: Manual ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991SideLEFTStock Number100525-17 MLS Number13883148CategoryDoors 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 1991 Peterbilt 379 Sun Visor $225 USD GOOD VIOR ASSY 91 PETE 379 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991Stock Number100525-16 MLS Number13883147CategorySun Visors 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 1991 Peterbilt 379 Instrument Panel Cluster $350 USD INS CLUSTER 91 PETE 379, Engine Make: Caterpillar, Engine Model: 3406B ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991Stock Number100525-14 MLS Number13883145CategoryInstrument Panel Clusters 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 1991 Peterbilt 379 Right Air Cleaner / Air Filter Housing $450 USD RH AIR CLEANER 91 PETE 379, Material: Chrome, Dimensions: GET ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991SideRIGHTStock Number100525-13 MLS Number13883144CategoryAir Cleaners / Air Filter Housings Last Updated7/9/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos 1991 Peterbilt 379 Left Air Cleaner / Air Filter Housing $350 USD LH AIR CLEANER ASSY 91 379,SMALL DENT, Dimensions: GET, Material: Chrome ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991SideLEFTStock Number100525-12 MLS Number13883143CategoryAir Cleaners / Air Filter Housings 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 1991 Peterbilt 379 Sleeper $2,395 USD DECENT 63'' PETE NON UNIBILT SLEEPER ASSY, Length: 63'', Type: NON UNIBILT ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991Stock Number100525-11 MLS Number13883142CategorySleepers 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 RS402 Rear Axle Housing for a 1991 Peterbilt 379 $1,150 USD RS402 RR HOUSING ASSY AIR TRAC, Suspension: AIR TRAC ConditionUsedFits To Make(s)PeterbiltFits To Model(s)379Will Fit Year(s)1991Stock Number100525-10 MLS Number13883141CategoryAxle Housings, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info