Availability
2003 Belts & Pulleys
Crankshaft Pulley, 4-Groove, Serpentine, Rear Drive, OEM Diameter, Steel, LS1 F-Body, LS1/LS2 V-Body, Each
Part Number: ATI-916734
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Water Pump Pulley, Serpentine, 6-Groove, Aluminum, Clear Powdercoated, Chevy, Small Block, Big Block, Long Pump, Each
Part Number: MCH-6312
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pulley Kit, Chevy LS Fluid Damper Kit, Aluminum, Black/Silver Anodized, Chevy, for March LS Pro-Track Kits, Kit
Part Number: MCH-P800
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pulley Set, Serpentine, 25 Percent Underdrive, Only Fits April 2000-04, Earlier Models use SUM-C2510, Set of 3
Part Number: SUM-C2511
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Serpentine Kit, Standard Ratio, Steel, Black, 508 Air conditioning Compressor, Aluminum Brackets, Chevy, Kit
Part Number: SUM-CSUMLS101
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Counterclockwise, Power Steering, GM 2, Polished, Chevy, 4.8-7.0L, Kit
Part Number: HLY-20-186P
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
March Performance Chevy LS Series Serpentine Kits 20085-08
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Idler Pulleys, Holley, Serpentine Style, Black Finish, 2.75 in. Diameter, 76 mm, Smooth, Steel, for Holley LS Accessory Drive Brackets Only, Each
Part Number: HLY-97-150
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Belt, OE Technology Series, Multi-V, Serpentine, 6-Rib, 92.25 in. Length, Each
Part Number: CEL-4060922
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Idler Pulley, No Slack, Serpentine, 8-groove, Steel, Natural, Blue Bird, Ford, Freightliner, Kenworth, Peterbilt, Sterling Truck, Western Star, Each
Part Number: DAC-89103
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Accessory Belts, V-Ribbed, Serpentine, 4-rib, 0.560 in. Width, 38.45 in. Length, for use on Acura®, for use on Honda®, Chevy, GMC, Workhorse, Each
Part Number: ADO-K040378HD
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Belt Tensioner, Automatic No Slack, Chevy, Each
Part Number: DAC-89337
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Belt, Poly Rib, Serpentine, 6-Rib, 41.00 in. Length, Each
Part Number: DAC-5060410
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Accessory Belt Tensioner, Serpentine, 6-rib, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Workhorse, Workhorse Custom Chassis, Each
Part Number: ADO-38103
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft Pulley, GM Genuine Part, Serpentine, 6-groove, Steel, Black, Chevrolet, GMC, Oldsmobile, Each
Part Number: ADO-10085754
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
AUTOMATIC BELT TENSIONER, HD, DAYCO
Part Number: DAC-89483
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Accessory Belts, V-Ribbed, Serpentine, 6-rib, 0.807 in. Width, 79.46 in. Length, Chevrolet, Pontiac, Each
Part Number: ADO-6K790
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Power Steering Pulley, V-belt Style, 2-groove, Press Fit, Steel, Chrome, 5.82 in. O.D., 0.750 in. Bore, Each
Part Number: LSC-157
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Idler Pulleys, GM OE, Serpentine, Steel, Black, Cadillac, Chevy, GMC, Oldsmobile, Each
Part Number: ADO-12580773
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Accessory Belt, V-Ribbed, Serpentine, 6-Ribs, 96.50 in. Length, 0.807 in. Width, Chevy, GMC, Workhorse, Each
Part Number: ADO-K060960HD
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Water Pump Pulley, Performance Quotient PQx, Aluminum, Smooth, Polished Clear Anodized, GM, LS Gen III/IV, Each
Part Number: PQX-2634608
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Belt, OE Technology Series, Multi-V, Serpentine, 6-Rib, 79.87 in. Length, Each
Part Number: CEL-4060798
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Pulley Sets, Serpentine, LS Engine Swap Accessory Drive System, Sanden 7 A/C Only, Black Powdercoated, Chevy, V8, Kit
Part Number: HLY-20-142BK
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Accessory Belt Tensioner, Smooth Pulley, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Workhorse, Workhorse Custom Chassis, Each
Part Number: ADO-38159
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Power Steering Pulleys, Holley, Replacement, 6-groove, LS Serpentine, Press-fit, Steel, Black, 5.75 in. OD, 0.66 in. Bore, for GM Type 2 Pump, Each
Part Number: HLY-97-154
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Accessory Belt, V-Ribbed, Serpentine, 6-Ribs, 95.59 in. Length, 0.787 in. Width, Audi, Cadillac, Chevy, Ford, GMC, Jeep, Mercedes-Benz, Each
Part Number: ADO-K060950HD
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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