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.
In StockPartStop
01-27846-000 Belt Tensioner Fits Freightliner M2 FLD112 Aftermarket 0127846000
OEM 01-27846-000
Engine & Performance
In StockPartStop
Belt Tensioner Fits Freightliner Western Star DD13 DD15 0127425000 , 01-27425-000
OEM 01-27425-000
Engine & Performance
In StockPartStop
Dayco 89440 Belt Tensioner Fits DD15 DD13 ISX Fits Freightliner
Part # 89440
Engine & Performance
In StockPartStop
511016115, 10PK1543 Serpentine Belt Fits Cummins ISX , 3288689, 5080537, 408053
Engine & Performance
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4940003 Belt 8-Rib 81" Heavy Duty, GT4080811DF, 3933357, 202952, 5080810, 8K81
Part # 8PK2058
Engine & Performance
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GT17532 V-Belt fits Freightliner 13A1345, 17530, 17535BLT, 815.17531, 17535BLT
Part # GT17532
Engine & Performance
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K100502 Serpentine Belt Fits Cummins ISX 10PK1275, GT4100502DF, 01-24894-004
Part # 0124894004
Engine & Performance
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V Belt Fits ISX, Detroit 01-24894-000, 014100580, S-15414, GT4100580DF 10PK1473
Part # 10PK1473
Engine & Performance
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8PK2691 , A4729933496 Serpentine Belt Fits Freightliner Cascadia DD15
Part # 8PK2691
Engine & Performance
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A4729931596 V-Ribbed Belt Fits Detroit 8PK3228, A4729933396, 19311095, S-29809
Part # 0131894700
Engine & Performance
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0342776010 Air Filter Fits Freightliner Cascadia DD13 DD15
Part # 0342776010
Engine & Performance
In StockPartStop
Engine Air Filter Fits Freightliner/Kenworth Air Filter Aftermarket
Part # AF27879
Engine & Performance
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06-23464-000 Transmission Oil Temperature Sensor Fits Freightliner
OEM 06-23464-000
Engine & Performance
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3102314 Turbo Outlet Gasket Fits Cummins ISX15 Fits Kenworth
Part # 3102314
Engine & Performance
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Engine Air Filter Fit Cummins C15 ISX AF25139, EAF5069, EPG150230, PAF5135
Part # PAF5135
Engine & Performance
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4965690 Heavy Duty Air Compressor Gasket Fits Cummins ISX
Part # 4965690
Engine & Performance
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Engine Air Filter Fits Freightliner P629641, 336867002, 336867010
Part # P629641
Engine & Performance
In StockPartStop
Oil Filter Fits DD13 DD15 DD16 Fits Freightliner A4731800909
OEM A4731800909
Engine & Performance
In StockPartStop
Detroit DD15 Cylinder Head A4730102620 6-Cyl EPA10 GHG14 Freightliner Cascadia
OEM A4730102620
Engine & Performance
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Engine Air Filter Fits International Air Filter DD16 Aftermarket 2515573C1
OEM 2515573C1
Engine & Performance
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4 Pack of 591597C2 Water Pump Gasket Fits Cummins ISX Kenworth Peterbilt
Part # 591597C2
Engine & Performance
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Micro Belt V-Ribbed fits International LT 5100608 1687-798-C , 4100607 10PK1540
Part # 60.7IN
Engine & Performance
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D371061 Air Filter Fits PACCAR MX-13 Fits Kenworth Peterbilt
Part # D371061
Engine & Performance
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Engine Air Filter Fits Peterbilt/Kenworth Air Filter Direct P637453 P621725
Part # P637453
Engine & Performance
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P553191 Oil Filter Fits Volvo LF3476 , LF733 , P167404, HF35197, P550369
Part # LF9667
Engine & Performance
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4026507 Valve Cover Gasket Seal Fits Cummins ISX ISX15 , High Quality
Part # 4026507
Engine & Performance
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3684355 Exhaust Gasket Fits Cummins ISX Peterbilt Fits Kenworth
Part # 3684355
Engine & Performance
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3683537 EGR Valve Gasket Fits International/Navistar 2012-2023 Aftermarket
Part # 3683537
Engine & Performance
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3104392 Valve Cover Gasket Fits Cummins ISX15 2007-2023
Part # 3104392
Engine & Performance
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4299125 Camshaft O-Ring Seal Fits Cummins DD13 DD15 Diesel
Part # 4299125
Engine & Performance
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3101268 Turbo Gasket Fits Cummins ISX15 Fits Freightliner
Part # 3101268
Engine & Performance
In StockPartStop
4973532 Oil Cooler Gasket Fits Cummins ISX Fits Kenworth
Part # 4973532
Engine & Performance
On OrderPartStop
3069678 Cummins ISX Oil Cooler Gasket Fits Kenworth Fits Peterbilt
Part # 3069678
Engine & Performance
In StockPartStop
Thermostat Housing Gasket Fits Cummins ISX ISXe5 3682673
Part # 3682673
Engine & Performance
In StockPartStop
3693798 Turbocharger Gasket Fits Cummins ISX Diesel Turbo-to-Manifold
Part # 3693798
Engine & Performance
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3104230 EGR Valve Gasket Fits Cummins ISX ISX15 Diesel
Part # 3104230
Engine & Performance
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4921499 Fuel Pressure Sensor Fits Cummins ISX High Quality 6 months Warranty
Part # 4921499
Engine & Performance
In StockPartStop
4921475 Oil Pressure Sensor Sender Fits Cummins ISX15, ISX / QSX 15L , HQ
Part # 4921475
Engine & Performance
In StockPartStop
Pressure Sensor Fits Cummins ISC/ISL Direct Replacement 4921495
Part # 4921495
Engine & Performance
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Fuel Rail Pressure Sensor Fits Cummins ISX Dodge Diesel Common 5297640
Part # 5297640
Engine & Performance
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VGT Turbo Actuator Fits Cummins ISX Fit Kenworth Peterbilt Volvo 4034289
Part # 4034289
Engine & Performance
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A11205X2728 Differential Pinion Seal Fits Meritor/Mack MACK Universal Direct
Part # A11205X2728
Engine & Performance
In StockPartStop
4 Pack A1-1205Y2729 Output Seal FitsHeavy-Duty Trucks VOLVO Direct Replacement
Part # A1-1205Y2729
Engine & Performance
On OrderPartStop
A4731800909 Engine Oil Filter Fits Detroit DD13 DD15 2008-2023
OEM A4731800909
Engine & Performance
In StockPartStop
Oil Filter Fits Volvo D12 Fits Mack P550425, LF17502, LFP8642, P559647 , LF3654
Part # LF3654
Engine & Performance
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AF26103 Engine Air Filter Fits International/Kenworth CUMMINS Replacement
Part # AF26103
Engine & Performance
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Oil Cooler Housing Gasket Fits Cummins ISX HQ , ISX & QSX Engines 3104232
Part # 3104232
Engine & Performance
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A4720162120 Cylinder Head Gasket Kit Fits Detroit Diesel DD15 DD16
OEM A4720162120
Engine & Performance
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12PK1625 Belt Fits Volvo Fits Mack MP8 20582557, 23961868, S-21819, S21819
Part # 12PK1625
Engine & Performance
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20481362 Micro-V Serpentine Belt 21189554 , 23961883, 3811958, GT-4120842
Part # 03-20
Engine & Performance
In StockPartStop
V Belt fits Cummins 01-27116-006, 3967026, 4080575, 815.4080575, 8PK1460, K080575
Part # 8PK1460
Engine & Performance
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8PK1485 Serpentine Belt Fit Detroit GT4080585, L4080585, 825.5080585, GAK080585
Part # 8PK1485
Engine & Performance
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8PK1427 Serpentine Belt Fits Cummins , 3081619, 01-24587-004, 4080560
Part # 8PK1427
Engine & Performance
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Coolant Level Sensor Fits Volvo VN VNM Fits Mack 577.96504S
OEM 22564822
Engine & Performance
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Engine Air Filter Primary Fits Volvo DD13 DD15 Fits Mack 23883251
OEM 23883251
Engine & Performance
In StockPartStop
23961779, 0PK1485 Serpentine Belt 20491756, 3811844, 5100585, BLT-10PK1485
Part # 10PK1480
Engine & Performance
In StockPartStop
Engine Air Filter Fit Volvo VNL, VN, VNM Replace 20411815, RS4642, AF26163M
OEM 20411815
Engine & Performance
In StockPartStop
CR30009 Fits Meritor/Mack Rear Axle Oil Seal Universal A1-1205Z2730 Aftermarket
Part # A1-1205Z2730
Engine & Performance
