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.
60 results
In Stock30% OFFPartStop
01-27846-000 Belt Tensioner Fits Freightliner M2 FLD112 Aftermarket 0127846000
OEM 01-27846-000
$141.43$99.00View
In Stock30% OFFPartStop
Belt Tensioner Fits Freightliner Western Star DD13 DD15 0127425000 , 01-27425-000
OEM 01-27425-000
$141.43$99.00View
In Stock30% OFFPartStop
Dayco 89440 Belt Tensioner Fits DD15 DD13 ISX Fits Freightliner
Part # 89440
$141.43$99.00View
In Stock30% OFFPartStop
511016115, 10PK1543 Serpentine Belt Fits Cummins ISX , 3288689, 5080537, 408053
OEM 3288689
$44.27$30.99View
In Stock30% OFFPartStop
4940003 Belt 8-Rib 81" Heavy Duty, GT4080811DF, 3933357, 202952, 5080810, 8K81
Part # 8PK2058
$52.84$36.99View
In Stock30% OFFPartStop
GT17532 V-Belt fits Freightliner 13A1345, 17530, 17535BLT, 815.17531, 17535BLT
Part # GT17532
$42.84$29.99View
In Stock30% OFFPartStop
8PK1365 Serpentine V Belt 01-23415-004, 815.4080535, S-15418, 5080537, K080537
OEM 0123415004
$45.70$31.99View
In Stock30% OFFPartStop
K100502 Serpentine Belt Fits Cummins ISX 10PK1275, GT4100502DF, 01-24894-004
Part # 0124894004
$42.84$29.99View
In Stock30% OFFPartStop
V Belt Fits ISX, Detroit 01-24894-000, 014100580, S-15414, GT4100580DF 10PK1473
Part # 10PK1473
$44.27$30.99View
In Stock30% OFFPartStop
GT4080510 8PK1295 Serpentine V Belt GT4080510, 815.408051, 5080510, 4080510
OEM GT4080510
$44.27$30.99View
In Stock30% OFFPartStop
8PK2691 , A4729933496 Serpentine Belt Fits Freightliner Cascadia DD15
OEM 8PK2691
$55.71$39.00View
In Stock30% OFFPartStop
A4729931596 V-Ribbed Belt Fits Detroit 8PK3228, A4729933396, 19311095, S-29809
Part # 0131894700
$47.13$32.99View
In Stock30% OFFPartStop
0342776010 Air Filter Fits Freightliner Cascadia DD13 DD15
Part # 0342776010
$127.14$89.00View
In Stock25% OFFPartStop
Engine Air Filter Fits Freightliner/Kenworth Air Filter Aftermarket
Part # AF27879
$155.99$116.99View
In Stock30% OFFPartStop
06-23464-000 Transmission Oil Temperature Sensor Fits Freightliner
OEM 06-23464-000
$38.56$26.99View
In Stock30% OFFPartStop
3102314 Turbo Outlet Gasket Fits Cummins ISX15 Fits Kenworth
Part # 3102314
$35.70$24.99View
In Stock30% OFFPartStop
Engine Air Filter Fit Cummins C15 ISX AF25139, EAF5069, EPG150230, PAF5135
Part # PAF5135
$118.56$82.99View
In Stock30% OFFPartStop
4965690 Heavy Duty Air Compressor Gasket Fits Cummins ISX
Part # 4965690
$41.41$28.99View
In Stock20% OFFPartStop
Engine Air Filter Fits Freightliner P629641, 336867002, 336867010
Part # P629641
$289.55$231.64View
In Stock30% OFFPartStop
Oil Filter Fits DD13 DD15 DD16 Fits Freightliner A4731800909
OEM A4731800909
$54.27$37.99View
In Stock10% OFFPartStop
Detroit DD15 Cylinder Head A4730102620 6-Cyl EPA10 GHG14 Freightliner Cascadia
OEM A4730102620
$4,000.00$3,600.00View
In Stock30% OFFPartStop
Engine Air Filter Fits International Air Filter DD16 Aftermarket 2515573C1
OEM 2515573C1
$141.43$99.00View
In Stock30% OFFPartStop
591597C2 Water Pump Gasket Fits Cummins ISX ISX15 Engine
Part # 591597C2
$41.41$28.99View
In Stock30% OFFPartStop
Micro Belt V-Ribbed fits International LT 5100608 1687-798-C , 4100607 10PK1540
Part # 60.7IN
$45.70$31.99View
In Stock30% OFFPartStop
D371061 Air Filter Fits PACCAR MX-13 Fits Kenworth Peterbilt
Part # D371061
$135.70$94.99View
In Stock30% OFFPartStop
Engine Air Filter Fits Peterbilt/Kenworth Air Filter Direct P637453 P621725
Part # P637453
$124.27$86.99View
In Stock30% OFFPartStop
P553191 Oil Filter Fits Volvo LF3476 , LF733 , P167404, HF35197, P550369
Part # LF9667
$51.41$35.99View
In Stock30% OFFPartStop
4026507 Valve Cover Gasket Seal Fits Cummins ISX ISX15 , High Quality
Part # 4026507
$141.43$99.00View
In Stock30% OFFPartStop
3684355 Exhaust Gasket Fits Cummins ISX Peterbilt Fits Kenworth
Part # 3684355
$35.70$24.99View
In Stock30% OFFPartStop
3683537 EGR Valve Gasket Fits International/Navistar 2012-2023 Aftermarket
Part # 3683537
$41.41$28.99View
In Stock30% OFFPartStop
3104392 Valve Cover Gasket Fits Cummins ISX15 2007-2023
Part # 3104392
$72.84$50.99View
In Stock30% OFFPartStop
4299125 Camshaft O-Ring Seal Fits Cummins DD13 DD15 Diesel
Part # 4299125
$42.84$29.99View
In Stock30% OFFPartStop
3101268 Turbo Gasket Fits Cummins ISX15 Fits Freightliner
Part # 3101268
$39.99$27.99View
In Stock30% OFFPartStop
4973532 Oil Cooler Gasket Fits Cummins ISX Fits Kenworth
Part # 4973532
$41.41$28.99View
In Stock30% OFFPartStop
3069678 Cummins ISX Oil Cooler Gasket Fits Kenworth Fits Peterbilt
Part # 3069678
$42.84$29.99View
In Stock30% OFFPartStop
Thermostat Housing Gasket Fits Cummins ISX ISXe5 3682673
Part # 3682673
$42.84$29.99View
In Stock30% OFFPartStop
3693798 Turbocharger Gasket Fits Cummins ISX Diesel Turbo-to-Manifold
Part # 3693798
$42.84$29.99View
In Stock30% OFFPartStop
3104230 EGR Valve Gasket Fits Cummins ISX ISX15 Diesel
Part # 3104230
$39.99$27.99View
In Stock30% OFFPartStop
4921499 Fuel Pressure Sensor Fits Cummins ISX High Quality 6 months Warranty
Part # 4921499
$70.00$49.00View
In Stock30% OFFPartStop
4921475 Oil Pressure Sensor Sender Fits Cummins ISX15, ISX / QSX 15L , HQ
Part # 4921475
$70.00$49.00View
In Stock30% OFFPartStop
Pressure Sensor Fits Cummins ISC/ISL Direct Replacement 4921495
Part # 4921495
$55.71$39.00View
In Stock30% OFFPartStop
Fuel Rail Pressure Sensor Fits Cummins ISX Dodge Diesel Common 5297640
Part # 5297640
$58.56$40.99View
In Stock10% OFFPartStop
VGT Turbo Actuator Fits Cummins ISX Fit Kenworth Peterbilt Volvo 4034289
Part # 4034289
$887.78$799.00View
In Stock30% OFFPartStop
A11205X2728 Differential Pinion Seal Fits Meritor/Mack MACK Universal Direct
Part # A11205X2728
$70.00$49.00View
In Stock30% OFFPartStop
4 Pack A1-1205Y2729 Output Seal FitsHeavy-Duty Trucks VOLVO Direct Replacement
Part # A1-1205Y2729
$84.29$59.00View
In Stock30% OFFPartStop
A4731800909 Engine Oil Filter Fits Detroit DD13 DD15 2008-2023
OEM A4731800909
$61.41$42.99View
In Stock30% OFFPartStop
Oil Filter Fits Volvo D12 Fits Mack P550425, LF17502, LFP8642, P559647 , LF3654
Part # LF3654
$55.70$38.99View
In Stock30% OFFPartStop
AF26103 Engine Air Filter Fits International/Kenworth CUMMINS Replacement
Part # AF26103
$125.70$87.99View
In Stock25% OFFPartStop
Oil Cooler Housing Gasket Fits Cummins ISX HQ , ISX & QSX Engines 3104232
Part # 3104232
$139.99$104.99View
In Stock30% OFFPartStop
12PK1625 Belt Fits Volvo Fits Mack MP8 20582557, 23961868, S-21819, S21819
Part # 12PK1625
$45.70$31.99View
In Stock30% OFFPartStop
20481362 Micro-V Serpentine Belt 21189554 , 23961883, 3811958, GT-4120842
OEM 03-20
$51.41$35.99View
In Stock30% OFFPartStop
V Belt fits Cummins 01-27116-006, 3967026, 4080575, 815.4080575, 8PK1460, K080575
Part # 8PK1460
$42.84$29.99View
In Stock30% OFFPartStop
8PK1485 Serpentine Belt Fit Detroit GT4080585, L4080585, 825.5080585, GAK080585
Part # 8PK1485
$42.84$29.99View
In Stock30% OFFPartStop
8PK1427 Serpentine Belt Fits Cummins , 3081619, 01-24587-004, 4080560
Part # 8PK1427
$42.84$29.99View
In Stock30% OFFPartStop
Coolant Level Sensor Fits Volvo VN VNM Fits Mack 577.96504S
OEM 22564822
$98.56$68.99View
In Stock25% OFFPartStop
Engine Air Filter Primary Fits Volvo DD13 DD15 Fits Mack 23883251
OEM 23883251
$186.67$140.00View
In Stock30% OFFPartStop
23961779, 10PK1480 Serpentine Belt 20491756, 3811844, 5100585, BLT-10PK1485
Part # 10PK1480
$45.70$31.99View
In Stock30% OFFPartStop
Engine Air Filter Fit Volvo VNL, VN, VNM Replace 20411815, RS4642, AF26163M
OEM 20411815
$141.41$98.99View
In Stock30% OFFPartStop
CR30009 Fits Meritor/Mack Rear Axle Oil Seal Universal A1-1205Z2730 Aftermarket
Part # A1-1205Z2730
$84.29$59.00View
Out of Stock20% OFFPartStop
A4720162120 Cylinder Head Gasket Kit Fits Detroit Diesel DD15 DD16
OEM A4720162120
$373.75$299.00View
All 60 engine & performance parts
- 01-27846-000 Belt Tensioner Fits Freightliner M2 FLD112 Aftermarket 0127846000
- Belt Tensioner Fits Freightliner Western Star DD13 DD15 0127425000
- Dayco 89440 Belt Tensioner Fits DD15 DD13 ISX Fits Freightliner
- 511016115, 10PK1543 Serpentine Belt Fits Cummins ISX
- 4940003 Belt 8-Rib 81" Heavy Duty, GT4080811DF, 3933357, 202952, 5080810, 8K81
- GT17532 V-Belt fits Freightliner 13A1345, 17530, 17535BLT, 815.17531, 17535BLT
- 8PK1365 Serpentine V Belt 01-23415-004, 815.4080535, S-15418, 5080537, K080537
- K100502 Serpentine Belt Fits Cummins ISX 10PK1275, GT4100502DF, 01-24894-004
- V Belt Fits ISX, Detroit 01-24894-000, 014100580, S-15414, GT4100580DF 10PK1473
- GT4080510 8PK1295 Serpentine V Belt GT4080510, 815.408051, 5080510, 4080510
- 8PK2691
- A4729931596 V-Ribbed Belt Fits Detroit 8PK3228, A4729933396, 19311095, S-29809
- 0342776010 Air Filter Fits Freightliner Cascadia DD13 DD15
- Engine Air Filter Fits Freightliner/Kenworth Air Filter Aftermarket
- 06-23464-000 Transmission Oil Temperature Sensor Fits Freightliner
- 3102314 Turbo Outlet Gasket Fits Cummins ISX15 Fits Kenworth
- Engine Air Filter Fit Cummins C15 ISX AF25139, EAF5069, EPG150230, PAF5135
- 4965690 Heavy Duty Air Compressor Gasket Fits Cummins ISX
- Engine Air Filter Fits Freightliner P629641, 336867002, 336867010
- Oil Filter Fits DD13 DD15 DD16 Fits Freightliner A4731800909
- Detroit DD15 Cylinder Head A4730102620 6-Cyl EPA10 GHG14 Freightliner Cascadia
- Engine Air Filter Fits International Air Filter DD16 Aftermarket 2515573C1
- 591597C2 Water Pump Gasket Fits Cummins ISX ISX15 Engine
- Micro Belt V-Ribbed fits International LT 5100608 1687-798-C
- D371061 Air Filter Fits PACCAR MX-13 Fits Kenworth Peterbilt
- Engine Air Filter Fits Peterbilt/Kenworth Air Filter Direct P637453 P621725
- P553191 Oil Filter Fits Volvo LF3476
- 4026507 Valve Cover Gasket Seal Fits Cummins ISX ISX15
- 3684355 Exhaust Gasket Fits Cummins ISX Peterbilt Fits Kenworth
- 3683537 EGR Valve Gasket Fits International/Navistar 2012-2023 Aftermarket
- 3104392 Valve Cover Gasket Fits Cummins ISX15 2007-2023
- 4299125 Camshaft O-Ring Seal Fits Cummins DD13 DD15 Diesel
- 3101268 Turbo Gasket Fits Cummins ISX15 Fits Freightliner
- 4973532 Oil Cooler Gasket Fits Cummins ISX Fits Kenworth
- 3069678 Cummins ISX Oil Cooler Gasket Fits Kenworth Fits Peterbilt
- Thermostat Housing Gasket Fits Cummins ISX ISXe5 3682673
- 3693798 Turbocharger Gasket Fits Cummins ISX Diesel Turbo-to-Manifold
- 3104230 EGR Valve Gasket Fits Cummins ISX ISX15 Diesel
- 4921499 Fuel Pressure Sensor Fits Cummins ISX High Quality 6 months Warranty
- 4921475 Oil Pressure Sensor Sender Fits Cummins ISX15, ISX / QSX 15L
- Pressure Sensor Fits Cummins ISC/ISL Direct Replacement 4921495
- Fuel Rail Pressure Sensor Fits Cummins ISX Dodge Diesel Common 5297640
- VGT Turbo Actuator Fits Cummins ISX Fit Kenworth Peterbilt Volvo 4034289
- A11205X2728 Differential Pinion Seal Fits Meritor/Mack MACK Universal Direct
- 4 Pack A1-1205Y2729 Output Seal FitsHeavy-Duty Trucks VOLVO Direct Replacement
- A4731800909 Engine Oil Filter Fits Detroit DD13 DD15 2008-2023
- Oil Filter Fits Volvo D12 Fits Mack P550425, LF17502, LFP8642, P559647
- AF26103 Engine Air Filter Fits International/Kenworth CUMMINS Replacement
- Oil Cooler Housing Gasket Fits Cummins ISX HQ
- 12PK1625 Belt Fits Volvo Fits Mack MP8 20582557, 23961868, S-21819, S21819
- 20481362 Micro-V Serpentine Belt 21189554
- V Belt fits Cummins 01-27116-006, 3967026, 4080575, 815.4080575, 8PK1460, K080575
- 8PK1485 Serpentine Belt Fit Detroit GT4080585, L4080585, 825.5080585, GAK080585
- 8PK1427 Serpentine Belt Fits Cummins
- Coolant Level Sensor Fits Volvo VN VNM Fits Mack 577.96504S
- Engine Air Filter Primary Fits Volvo DD13 DD15 Fits Mack 23883251
- 23961779, 10PK1480 Serpentine Belt 20491756, 3811844, 5100585, BLT-10PK1485
- Engine Air Filter Fit Volvo VNL, VN, VNM Replace 20411815, RS4642, AF26163M
- CR30009 Fits Meritor/Mack Rear Axle Oil Seal Universal A1-1205Z2730 Aftermarket
- A4720162120 Cylinder Head Gasket Kit Fits Detroit Diesel DD15 DD16