GMC SIERRA 2500 HD - Free Shipping on Orders Over $109 at Summit Racing

Dorman Thermostat Housings 902-2981

Engine Coolant Thermostat Housing Assembly, Thermostat Housing With Thermostat

Part Number: RNB-902-2981

Not Yet Reviewed

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Continental OE Technology Series Idler Pulleys 49159

Idler Pulley, Serpentine, Steel, Black, Chevy, GMC, Pontiac, Saturn, Each

Part Number: CEL-49159

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Dayco Poly Rib Serpentine Belts 5040378

Belt, Poly Rib, Serpentine, 4-Rib, 37.80 in. Length, Each

Part Number: DAC-5040378

5.0 out of 5 stars ( 5 )

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ACDelco Transmission Fluid Dipstick Seals 24265546

Transmission Fluid Dipstick Components, Seals, Tube, General Motors, Each

Part Number: ADO-24265546

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ACDelco Transmission Fluid Dipsticks 24267668

Transmission Fluid Dipsticks, Bellhousing Mounting, Black Plastic Handle, 39.560 in. Length, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-24267668

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Standard Motor Knock Sensors KS116

Knock Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: SMP-KS116

4.33 out of 5 stars ( 3 )

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Holstein Parts Crankshaft Sensors 2CRK0065

Sensor, Engine Crankshaft Position Sensor, Replacement, Each

Part Number: HLN-2CRK0065

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Fleece Performance Fan Extension Harnesses FPE-HAR-DMAX-FAN-L5P

Duramax Fan Extension Harness (L5P)

Part Number: FLE-S0476

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Dorman Exhaust Manifold Clamps 917-142

Exhaust Manifold Clamp, Steel, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-142

4.5 out of 5 stars ( 4 )

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ACDelco Brake Pedal Pads 15706041

Pedal Pad, Rubber, Black, Chevy, GMC, Each

Part Number: ADO-15706041

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Dee Zee Truck Tailgate Assists DZ 43102

Lift Support, Tailgate, Gas Charged, Chevy, GMC, Each

Part Number: DZZ-DZ43102

4.71 out of 5 stars ( 14 )

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Sherman Headlight Mounting Brackets SHE901-23AR

Headlight Mounting Bracket, Black, Passenger Side, Chevy, GMC, Each Partslink # GM1221121 OE # 15798919

Part Number: SHI-901-23AR

2.0 out of 5 stars ( 1 )

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SPC Performance GM Alignment Cam Lock Plates 86321

SPC Performance GM Alignment Cam Lock Plates 86321

Lock plates lock in caster + camber on GM 2500/3500 or Clrdo/Cnyn. Works w/OE bolt or SPCs PN 86376

Part Number: SPS-86321

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Key Parts Rocker Plates 0856-001

Rocker Plate, Bottom, Left Side, Steel Natural, GM Truck, Each

Part Number: KPT-0856-001

5.0 out of 5 stars ( 1 )

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Summit Racing™ Street Series 500 Ohm 8mm Ignition Wires SUM-877830

Spark Plug Wires, Summit Street Series, 8mm, 500 Ohm, Black, 12" Leads, OEM Coil Boots, LS, V8, Set

Part Number: SUM-877830

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Gabriel ProGuard Shocks 61642

Shock, ProGuard, Rear, Chevy, GMC, Each

Part Number: GAB-61642

4.67 out of 5 stars ( 3 )

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Dorman Exterior Door Handles 80547

Exterior Door Handle, Passenger Side Rear, Plastic, Chrome, Cadillac, Chevy, GMC, Each

Part Number: RNB-80547

4.67 out of 5 stars ( 3 )

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ACDelco Automatic Transmission Oil Cooler End Fittings 19125677

Transmission Line Adapter Fittings, 1/4 in. NPS Male Threads to 3/8 in. Quick-connect Female Threads, Steel, Natural, GM, Hummer, Each

Part Number: ADO-19125677

5.0 out of 5 stars ( 4 )

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Fel-Pro Headbolt Kits ES 72188

Cylinder Head Bolts, Hex Head, Chevy, GMC, 8.1L, 1-Head, Kit

Part Number: FEL-ES72188

1.0 out of 5 stars ( 1 )

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WIX Filters Transmission Filters 58608

Transmission Filter, Replacement, Each

Part Number: WIX-58608

5.0 out of 5 stars ( 1 )

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Dorman 14 Bolt GM 11.5 Inch Differential Cover 697-712

Differential Cover, 14-bolt, Steel, Gray, GM 11.5 in., Each

Part Number: RNB-697712

5.0 out of 5 stars ( 1 )

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ACDelco Gold Automatic Transmission Fluid Filters 25325570

Automatic Transmission Filter, Chevrolet, GMC, Each

Part Number: ADO-TF329

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Painless Performance High-Beam Headlight Relays 30821

High Beam Headlight Relay, Chevy, GMC, Full Size Truck/SUV, Each

Part Number: PRF-30821

4.5 out of 5 stars ( 16 )

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ACDelco Gold Engine Air Filter Elements 25839611

Air Filter, Professional, Replacement, Paper, White, Chevy, GMC, Diesel, Each

Part Number: ADO-A3087C

5.0 out of 5 stars ( 2 )

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King SI-Series Main Bearings MB5293SI 030

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI030

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GMC SIERRA 2500 HD Parts and Accessories