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Peterbilt 337 Truck Parts For Sale

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Air Intake & Filtration (55)   Air Cleaners / Air Filter Housings (38)   Air Transfer Tubes (17)Air Tanks (23)Axles & Differentials (70)   Axle Assemblies, Front (31)   Axle Assemblies, Rear (3)   Axle Housings, Rear (2)   Differentials, Rear (7)   Spindles / Knuckles (27)Battery Box Covers (3)Battery Boxes / Trays (21)Brakes (30)   ABS Control Modules (10)   Air Dryers (19)   Brake Boosters (1)Cab Mounts (3)Cab, Body & Interior (323)   Back Glass (2)   Bumper Brackets, Front (1)   Bumpers, Front (9)   Cabs (26)   Dash Panels (5)   Dashboards (27)   Door Assemblies, Front (48)   Door Glass, Front (1)   Door Mirrors (33)   Doors (15)   Fender Extensions (32)   Fenders (6)   Floor Mats (4)   Grilles (3)   Hoods (9)   Interior Misc. Parts (51)   Mirrors (2)   Seats (10)   Side View Mirrors (9)   Steering Wheels (1)   Sun Visors (Interior) (17)   Sun Visors (12)Cooling & HVAC (123)   A/C Condensers (17)   Cooling Assemblies (Rad., Cond., ATAAC) (25)   Fan Blades (2)   Fan Clutches (2)   Heater / AC Climate Control Parts (13)   Intercoolers & Charge Air Coolers (10)   Intercoolers (7)   Radiator Core Supports (1)   Radiator Overflow Bottles / Surge Tanks (20)   Radiator Shrouds (9)   Radiators (17)Electrical & Lighting (92)   Body / Chassis Control Modules (11)   Cab Wiring Harnesses (2)   Door Electrical Switches (9)   Fuse Boxes & Panels (12)   Gauges (1)   Headlight Assemblies (8)   HVAC ECMs (9)   Radios (5)   Starter Motors (7)   Throttle Position Sensors (1)   Turn Signal Switches (10)   Windshield Washer Reservoirs (6)   Windshield Wiper Arms (1)   Windshield Wiper Motors (10)Electrical Misc. Parts (3)Engine & Powertrain (18)   Engine Control Modules (ECM) (9)   Engine Mounts (1)   Engine Oil Pans (1)   Engine Wiring Harnesses (7)Exhaust & Emissions (46)   Diesel Exhaust Fluid (DEF) Pumps (3)   Diesel Exhaust Fluid (DEF) Tanks (19)   Diesel Particulate Filters (DPF) (10)   DPF Assemblies (11)   Exhaust Assemblies (2)   Exhaust Brackets (1)Exterior Misc. Parts (2)Frame & Chassis (10)   Brackets, Misc. (3)   Crossmembers (3)   Front & Rear Cutoffs (Clip Cuts) (3)   Front End Assemblies (1)Fuel System (21)   Fuel Pumps (1)   Fuel Tank Straps & Brackets (5)   Fuel Tanks (Truck) (15)Instrument Panel Clusters (20)   Liftgates (2)Miscellaneous Truck Parts (5)Power Steering Reservoirs (7)Seats (non-Suspension) (18)Suspension & Steering (73)   Leaf Springs, Front (19)   Leaf Springs, Rear (6)   Steering Columns (32)   Steering Gears / Racks (11)   Suspension Crossmembers / K-Frames (4)   Suspensions (1)Tool Boxes (3)Transmission & Driveline (10)   Driveshafts (1)   Front Driveshafts (1)   Transmission Control Modules (TCM) (7)   Transmission Coolers (1)Transmissions (1)Wheels, Tires & Hubs (14)   Hubs (12)   Tires & Rims (1)   Tires (1)
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Peterbilt (996)
Model
337 (996)
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Showing 251 - 275 of 996 Listings

251 - 275 of 996 listings
251 - 275 of 996 listings
Peterbilt 337 Cab Assembly

2013 Peterbilt 337 Cab Assembly

$4,750 USD
Cab Assembly, Door to Door Wired for Paccar PX-8 Diesel A Automatic Transmission And Air Brake System Good Condition. Price will be Adjusted as parts are sold. Call DTI Trucks for more...
ConditionUsed
Fits To Make(s)PETERBILT
Fits To Model(s)337
Stock Number82401
MLS Number14391724
CategoryCabs
Last Updated5/29/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
NUMBERCall Seller
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DTI Truck Parts
Peterbilt 337 Cooling Assembly

2020 Peterbilt 337 Cooling Assembly

$1,295 USD
GOOD USED COOLING PACK ASSEMBLY/ RADIATOR,CHARGE AIR COOLER,A/C CONDENSER AND FRAMEWORK. AUTOMATIC TRANS/NO TRANS COOLER (SEPERATE UNDER RADIATOR) WILL PRESSURE CHECK, Engine Make: PACCAR,...
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)337
Will Fit Year(s)2020
Part NumberNA
Stock Number12424-15
MLS Number13282028
CategoryCooling Assemblies (Rad., Cond., ATAAC)
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Peterbilt 337 DPF Filter

2020 Peterbilt 337 DPF Filter

$1,995 USD
GOOD USED DPF ASSEMBLY/ 90 DAY WARRANTY ON HARD PARTS NO ELECTRICAL/SENSORS OR FILTER WARRANTY, Engine Make: PACCAR, Engine Model: PX-9
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)337
Will Fit Year(s)2020
Part NumberNA
Stock Number12424-9
MLS Number13282022
CategoryDiesel Particulate Filters (DPF)
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Peterbilt 337 Air Cleaner / Air Filter Housing

2020 Peterbilt 337 Air Cleaner / Air Filter Housing

$200 USD
GOOD USED UNDER HOOD AIR CLEANER HOUSING, Dimensions: NA, Material: Plastic, Shape: ROUND
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)337
Will Fit Year(s)2020
Part NumberD337-6005 G110342 P527484
Stock Number12424-7
MLS Number13282020
CategoryAir Cleaners / Air Filter Housings
Last Updated5/15/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
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Holst Truck Parts
Peterbilt 337 Front Axle Assembly

2020 Peterbilt 337 Front Axle Assembly

Contact for price
USED AXLE FOR PARTS/ SPINDLES/ I-BEAM BENT, Capacity: 12000, Serial#: 74597945, Hub Bolts: 10, Axle Make: MERITOR
ConditionUsed
Fits To Make(s)Peterbilt
Fits To Model(s)337
Will Fit Year(s)2020
Capacity12000
Part NumberMFS12
Stock Number12424-5
MLS Number13282017
CategoryAxle Assemblies, Front
Last Updated8/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
NUMBERCall Seller
Email Seller
Save
Holst Truck Parts
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