Engine & Performance

Premium-quality aftermarket engine & performance parts for heavy-duty semi trucks — direct replacements with nationwide same-day shipping and a 6+ month warranty. Filter by make, subcategory, or part number.

58 results
01-27846-000 Belt Tensioner Fits Freightliner M2 FLD112 Aftermarket 0127846000In Stock

PartStop

01-27846-000 Belt Tensioner Fits Freightliner M2 FLD112 Aftermarket 0127846000

OEM 01-27846-000

Engine & Performance

$99.00View
Belt Tensioner Fits Freightliner Western Star DD13 DD15 0127425000 , 01-27425-000In Stock

PartStop

Belt Tensioner Fits Freightliner Western Star DD13 DD15 0127425000 , 01-27425-000

OEM 01-27425-000

Engine & Performance

$99.00View
Dayco 89440 Belt Tensioner Fits DD15 DD13 ISX Fits FreightlinerIn Stock

PartStop

Dayco 89440 Belt Tensioner Fits DD15 DD13 ISX Fits Freightliner

Part # 89440

Engine & Performance

$99.00View
511016115, 10PK1543 Serpentine Belt Fits Cummins ISX , 3288689, 5080537,  408053In Stock

PartStop

511016115, 10PK1543 Serpentine Belt Fits Cummins ISX , 3288689, 5080537, 408053

Engine & Performance

$29.00View
4940003  Belt 8-Rib 81" Heavy Duty, GT4080811DF, 3933357, 202952, 5080810, 8K81In Stock

PartStop

4940003 Belt 8-Rib 81" Heavy Duty, GT4080811DF, 3933357, 202952, 5080810, 8K81

Part # 8PK2058

Engine & Performance

$29.00View
GT17532 V-Belt fits Freightliner 13A1345, 17530, 17535BLT, 815.17531, 17535BLTIn Stock

PartStop

GT17532 V-Belt fits Freightliner 13A1345, 17530, 17535BLT, 815.17531, 17535BLT

Part # GT17532

Engine & Performance

$29.99View
K100502 Serpentine Belt Fits Cummins ISX  10PK1275, GT4100502DF, 01-24894-004In Stock

PartStop

K100502 Serpentine Belt Fits Cummins ISX 10PK1275, GT4100502DF, 01-24894-004

Part # 0124894004

Engine & Performance

$29.99View
V Belt Fits ISX, Detroit  01-24894-000, 014100580, S-15414, GT4100580DF 10PK1473In Stock

PartStop

V Belt Fits ISX, Detroit 01-24894-000, 014100580, S-15414, GT4100580DF 10PK1473

Part # 10PK1473

Engine & Performance

$29.99View
8PK2691 , A4729933496  Serpentine Belt Fits Freightliner Cascadia DD15In Stock

PartStop

8PK2691 , A4729933496 Serpentine Belt Fits Freightliner Cascadia DD15

Part # 8PK2691

Engine & Performance

$39.00View
A4729931596 V-Ribbed Belt Fits Detroit 8PK3228, A4729933396, 19311095, S-29809In Stock

PartStop

A4729931596 V-Ribbed Belt Fits Detroit 8PK3228, A4729933396, 19311095, S-29809

Part # 0131894700

Engine & Performance

$29.99View
0342776010 Air Filter Fits Freightliner Cascadia DD13 DD15In Stock

PartStop

0342776010 Air Filter Fits Freightliner Cascadia DD13 DD15

Part # 0342776010

Engine & Performance

$89.00View
Engine Air Filter Fits Freightliner/Kenworth Air Filter AftermarketIn Stock

PartStop

Engine Air Filter Fits Freightliner/Kenworth Air Filter Aftermarket

Part # AF27879

Engine & Performance

$116.99View
06-23464-000 Transmission Oil Temperature Sensor Fits FreightlinerIn Stock

PartStop

06-23464-000 Transmission Oil Temperature Sensor Fits Freightliner

OEM 06-23464-000

Engine & Performance

$19.99View
3102314 Turbo Outlet Gasket Fits Cummins ISX15 Fits KenworthIn Stock

PartStop

3102314 Turbo Outlet Gasket Fits Cummins ISX15 Fits Kenworth

Part # 3102314

Engine & Performance

$19.99View
Engine Air Filter Fit Cummins C15 ISX AF25139, EAF5069, EPG150230, PAF5135In Stock

PartStop

Engine Air Filter Fit Cummins C15 ISX AF25139, EAF5069, EPG150230, PAF5135

Part # PAF5135

Engine & Performance

$58.99View
4965690 Heavy Duty Air Compressor Gasket Fits Cummins ISXIn Stock

PartStop

4965690 Heavy Duty Air Compressor Gasket Fits Cummins ISX

Part # 4965690

Engine & Performance

$19.99View
Engine Air Filter Fits Freightliner P629641, 336867002, 336867010In Stock

PartStop

Engine Air Filter Fits Freightliner P629641, 336867002, 336867010

Part # P629641

Engine & Performance

$231.64View
Oil Filter Fits DD13 DD15 DD16 Fits Freightliner  A4731800909In Stock

PartStop

Oil Filter Fits DD13 DD15 DD16 Fits Freightliner A4731800909

OEM A4731800909

Engine & Performance

$34.99View
Detroit DD15 Cylinder Head A4730102620 6-Cyl EPA10 GHG14 Freightliner CascadiaIn Stock

PartStop

Detroit DD15 Cylinder Head A4730102620 6-Cyl EPA10 GHG14 Freightliner Cascadia

OEM A4730102620

Engine & Performance

$3,600.00View
Engine Air Filter Fits International Air Filter DD16 Aftermarket 2515573C1In Stock

PartStop

Engine Air Filter Fits International Air Filter DD16 Aftermarket 2515573C1

OEM 2515573C1

Engine & Performance

$99.00View
4 Pack of 591597C2  Water Pump Gasket Fits Cummins ISX  Kenworth PeterbiltIn Stock

PartStop

4 Pack of 591597C2 Water Pump Gasket Fits Cummins ISX Kenworth Peterbilt

Part # 591597C2

Engine & Performance

$14.99View
Micro Belt V-Ribbed fits International LT 5100608 1687-798-C , 4100607 10PK1540In Stock

PartStop

Micro Belt V-Ribbed fits International LT 5100608 1687-798-C , 4100607 10PK1540

Part # 60.7IN

Engine & Performance

$29.99View
D371061 Air Filter Fits PACCAR MX-13 Fits Kenworth PeterbiltIn Stock

PartStop

D371061 Air Filter Fits PACCAR MX-13 Fits Kenworth Peterbilt

Part # D371061

Engine & Performance

$89.99View
Engine Air Filter Fits Peterbilt/Kenworth Air Filter Direct P637453 P621725In Stock

PartStop

Engine Air Filter Fits Peterbilt/Kenworth Air Filter Direct P637453 P621725

Part # P637453

Engine & Performance

$78.99View
P553191  Oil Filter Fits Volvo LF3476 , LF733 , P167404, HF35197, P550369In Stock

PartStop

P553191 Oil Filter Fits Volvo LF3476 , LF733 , P167404, HF35197, P550369

Part # LF9667

Engine & Performance

$27.99View
4026507 Valve Cover Gasket Seal Fits Cummins ISX ISX15 ,  High QualityIn Stock

PartStop

4026507 Valve Cover Gasket Seal Fits Cummins ISX ISX15 , High Quality

Part # 4026507

Engine & Performance

$99.00View
3684355 Exhaust Gasket Fits Cummins ISX Peterbilt Fits KenworthIn Stock

PartStop

3684355 Exhaust Gasket Fits Cummins ISX Peterbilt Fits Kenworth

Part # 3684355

Engine & Performance

$19.99View
3683537  EGR Valve Gasket Fits International/Navistar 2012-2023 AftermarketIn Stock

PartStop

3683537 EGR Valve Gasket Fits International/Navistar 2012-2023 Aftermarket

Part # 3683537

Engine & Performance

$19.99View
3104392 Valve Cover Gasket Fits Cummins ISX15 2007-2023In Stock

PartStop

3104392 Valve Cover Gasket Fits Cummins ISX15 2007-2023

Part # 3104392

Engine & Performance

$49.99View
4299125 Camshaft O-Ring Seal Fits Cummins DD13 DD15 DieselIn Stock

PartStop

4299125 Camshaft O-Ring Seal Fits Cummins DD13 DD15 Diesel

Part # 4299125

Engine & Performance

$19.99View
3101268 Turbo Gasket Fits Cummins ISX15 Fits FreightlinerIn Stock

PartStop

3101268 Turbo Gasket Fits Cummins ISX15 Fits Freightliner

Part # 3101268

Engine & Performance

$19.99View
4973532 Oil Cooler Gasket Fits Cummins ISX Fits KenworthIn Stock

PartStop

4973532 Oil Cooler Gasket Fits Cummins ISX Fits Kenworth

Part # 4973532

Engine & Performance

$19.99View
3069678 Cummins ISX Oil Cooler Gasket Fits Kenworth Fits PeterbiltOn Order

PartStop

3069678 Cummins ISX Oil Cooler Gasket Fits Kenworth Fits Peterbilt

Part # 3069678

Engine & Performance

$19.99View
Thermostat Housing Gasket Fits Cummins ISX ISXe5 3682673In Stock

PartStop

Thermostat Housing Gasket Fits Cummins ISX ISXe5 3682673

Part # 3682673

Engine & Performance

$19.99View
3693798 Turbocharger Gasket Fits Cummins ISX Diesel Turbo-to-ManifoldIn Stock

PartStop

3693798 Turbocharger Gasket Fits Cummins ISX Diesel Turbo-to-Manifold

Part # 3693798

Engine & Performance

$29.99View
3104230 EGR Valve Gasket Fits Cummins ISX ISX15 DieselIn Stock

PartStop

3104230 EGR Valve Gasket Fits Cummins ISX ISX15 Diesel

Part # 3104230

Engine & Performance

$19.99View
4921499 Fuel Pressure Sensor Fits Cummins ISX  High Quality 6 months WarrantyIn Stock

PartStop

4921499 Fuel Pressure Sensor Fits Cummins ISX High Quality 6 months Warranty

Part # 4921499

Engine & Performance

$49.00View
4921475 Oil Pressure Sensor Sender Fits Cummins ISX15, ISX / QSX 15L , HQIn Stock

PartStop

4921475 Oil Pressure Sensor Sender Fits Cummins ISX15, ISX / QSX 15L , HQ

Part # 4921475

Engine & Performance

$49.00View
Pressure Sensor Fits Cummins ISC/ISL Direct Replacement 4921495In Stock

PartStop

Pressure Sensor Fits Cummins ISC/ISL Direct Replacement 4921495

Part # 4921495

Engine & Performance

$39.00View
Fuel Rail Pressure Sensor Fits Cummins ISX Dodge  Diesel Common 5297640In Stock

PartStop

Fuel Rail Pressure Sensor Fits Cummins ISX Dodge Diesel Common 5297640

Part # 5297640

Engine & Performance

$34.00View
VGT Turbo Actuator Fits Cummins ISX  Fit  Kenworth Peterbilt Volvo 4034289In Stock

PartStop

VGT Turbo Actuator Fits Cummins ISX Fit Kenworth Peterbilt Volvo 4034289

Part # 4034289

Engine & Performance

$799.00View
A11205X2728 Differential Pinion Seal Fits Meritor/Mack MACK Universal DirectIn Stock

PartStop

A11205X2728 Differential Pinion Seal Fits Meritor/Mack MACK Universal Direct

Part # A11205X2728

Engine & Performance

$49.00View
4 Pack A1-1205Y2729 Output Seal FitsHeavy-Duty Trucks VOLVO Direct ReplacementIn Stock

PartStop

4 Pack A1-1205Y2729 Output Seal FitsHeavy-Duty Trucks VOLVO Direct Replacement

Part # A1-1205Y2729

Engine & Performance

$59.00View
A4731800909 Engine Oil Filter Fits Detroit DD13 DD15 2008-2023On Order

PartStop

A4731800909 Engine Oil Filter Fits Detroit DD13 DD15 2008-2023

OEM A4731800909

Engine & Performance

$39.99View
Oil Filter Fits Volvo D12 Fits Mack P550425, LF17502, LFP8642, P559647 , LF3654In Stock

PartStop

Oil Filter Fits Volvo D12 Fits Mack P550425, LF17502, LFP8642, P559647 , LF3654

Part # LF3654

Engine & Performance

$32.99View
AF26103 Engine Air Filter Fits International/Kenworth CUMMINS ReplacementIn Stock

PartStop

AF26103 Engine Air Filter Fits International/Kenworth CUMMINS Replacement

Part # AF26103

Engine & Performance

$87.99View
Oil Cooler Housing Gasket Fits Cummins ISX HQ , ISX & QSX Engines 3104232In Stock

PartStop

Oil Cooler Housing Gasket Fits Cummins ISX HQ , ISX & QSX Engines 3104232

Part # 3104232

Engine & Performance

$104.99View
A4720162120 Cylinder Head Gasket Kit Fits Detroit Diesel DD15 DD16In Stock

PartStop

A4720162120 Cylinder Head Gasket Kit Fits Detroit Diesel DD15 DD16

OEM A4720162120

Engine & Performance

$299.00View
12PK1625  Belt Fits Volvo Fits Mack MP8 20582557, 23961868, S-21819, S21819In Stock

PartStop

12PK1625 Belt Fits Volvo Fits Mack MP8 20582557, 23961868, S-21819, S21819

Part # 12PK1625

Engine & Performance

$29.99View
20481362 Micro-V Serpentine Belt 21189554 , 23961883, 3811958,   GT-4120842In Stock

PartStop

20481362 Micro-V Serpentine Belt 21189554 , 23961883, 3811958, GT-4120842

Part # 03-20

Engine & Performance

$29.99View
V Belt fits Cummins 01-27116-006, 3967026, 4080575, 815.4080575, 8PK1460, K080575In Stock

PartStop

V Belt fits Cummins 01-27116-006, 3967026, 4080575, 815.4080575, 8PK1460, K080575

Part # 8PK1460

Engine & Performance

$29.99View
8PK1485 Serpentine Belt Fit Detroit  GT4080585, L4080585, 825.5080585, GAK080585In Stock

PartStop

8PK1485 Serpentine Belt Fit Detroit GT4080585, L4080585, 825.5080585, GAK080585

Part # 8PK1485

Engine & Performance

$29.99View
8PK1427 Serpentine Belt Fits Cummins , 3081619, 01-24587-004, 4080560In Stock

PartStop

8PK1427 Serpentine Belt Fits Cummins , 3081619, 01-24587-004, 4080560

Part # 8PK1427

Engine & Performance

$29.99View
Coolant Level Sensor Fits Volvo VN VNM Fits Mack 577.96504SIn Stock

PartStop

Coolant Level Sensor Fits Volvo VN VNM Fits Mack 577.96504S

OEM 22564822

Engine & Performance

$68.99View
Engine Air Filter Primary Fits Volvo DD13 DD15 Fits Mack 23883251In Stock

PartStop

Engine Air Filter Primary Fits Volvo DD13 DD15 Fits Mack 23883251

OEM 23883251

Engine & Performance

$140.00View
23961779,  0PK1485 Serpentine Belt  20491756, 3811844, 5100585, BLT-10PK1485In Stock

PartStop

23961779, 0PK1485 Serpentine Belt 20491756, 3811844, 5100585, BLT-10PK1485

Part # 10PK1480

Engine & Performance

$31.99View
Engine Air Filter Fit Volvo VNL, VN, VNM Replace 20411815, RS4642, AF26163MIn Stock

PartStop

Engine Air Filter Fit Volvo VNL, VN, VNM Replace 20411815, RS4642, AF26163M

OEM 20411815

Engine & Performance

$98.99View
CR30009 Fits Meritor/Mack Rear Axle Oil Seal Universal A1-1205Z2730  AftermarketIn Stock

PartStop

CR30009 Fits Meritor/Mack Rear Axle Oil Seal Universal A1-1205Z2730 Aftermarket

Part # A1-1205Z2730

Engine & Performance

$59.00View