2003 CHEVROLET AVALANCHE 1500 Parts & Accessories

UREMCO Fuel Injector O-Rings 5-8

UREMCO Fuel Injector O-Rings 5-8

Fuel Injector O-Rings, Seal Kit to service 8 Fuel Injectors. Includes Orings, Filter Baskets and Pintle Caps..

Part Number: URM-5-8

Not Yet Reviewed

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Moog Sway Bar Bushings K201174

Bushings, Sway Bar, Rubber, Black, Kit

Part Number: MOG-K201174

4.0 out of 5 stars ( 1 )

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SVL Drivetrain Ring and Pinion Gear Sets 2023695 GM 8.5/8.6 in. 3.73 Gears

Differential Ring and Pinion; GM 8.5 10 Bolt - 3.73 Ratio

Part Number: SVL-2023695

2.0 out of 5 stars ( 1 )

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CURT Trailer Harness Adapters 57015

Vehicle Towing Harness Adapter, Connects USCAR Plug and Provides 7-Way RV Blade and 4-Way Flat Socket, Plastic, Black, Universal, Each

Part Number: CHT-57015

5.0 out of 5 stars ( 2 )

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Hayden Fan Clutches 2744

Fan Clutch, Heavy-Duty Thermal, With A/C, Chevy, GMC, Each

Part Number: HDA-2744

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Standard Motor T-Series Knock Sensors KS116T

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

Part Number: SMP-KS116T

5.0 out of 5 stars ( 2 )

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Stainless Works 3-Bolt 2.5 Inch Exhaust Flange FLCD-2.5

Flange Manifold 5.3/6.0L CHEVY/GMC Truck Manifold Flange-Drivers 2.500" ID Hole

Part Number: STW-FLCD-2-5

4.0 out of 5 stars ( 1 )

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Edelbrock Max-Fire Ultra-Spark 50 Spark Plug Wire Sets 22717

Spark Plug Wires, Max-Fire Ultra-Spark 50, Spiral Core, 50 ohms, 8.5mm, Red, Trucks, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set

Part Number: EDL-22717

3.0 out of 5 stars ( 2 )

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Timken Automatic Transmission Selector Shaft Seals 8792S

Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

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Wilwood Brake Flexline Kits 220-9885

Brake Lines, Flexline, Braided Stainless Steel, Chevy, GMC, Kit

Part Number: WIL-220-9885

Not Yet Reviewed

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Earl's Performance Oil Pressure Gauge Installation Kits LS0032ERL

Gauge Supply Line, Braided Stainless Steel, -3 AN, 3 ft. Includes Adapters, Chevrolet, LS Engine, Kit

Part Number: EAR-LS0032ERL

1.0 out of 5 stars ( 1 )

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ACDelco Fuel Injector Feed and Return Pipe O-Rings 22514722

O-Ring, Fuel Injector Feed and Return Pipe O-Ring, Rubber, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Each

Part Number: ADO-217-452

3.67 out of 5 stars ( 3 )

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Standard Motor Crankshaft Position Sensors PC278

Cam Sensor, OEM Replacement, Each

Part Number: SMP-PC278

Not Yet Reviewed

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ACDelco Radio Antennas 84170994

Radio Antenna, AM/FM, Black, Each

Part Number: ADO-84170994

Not Yet Reviewed

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Cometic MLX Head Gaskets C5505-066

Head Gasket, MLX, 4.040 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5505-066

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

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Estimated Ship Date: Jul 13, 2026 if ordered today

Flowmaster American Thunder Exhaust Systems 17342

Exhaust, American Thunder, Steel, Aluminized, Resonator, Tip, Chevy, GMC, 5.3, Kit

Part Number: FLO-17342

4.75 out of 5 stars ( 8 )

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ACDelco Gold Universal Joints 23104840

Universal Joint, Steel, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-23104840

Not Yet Reviewed

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MaxTrac Suspension Lowering Spring Kits 201040

Lowering Springs, Rear, Coil, Gray, 4 in Drop, Chevy, GMC, Cadillac, Kit

Part Number: MXT-201040

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Richmond Gear Crush Sleeves 19-0004-1

Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

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ACDelco Gold Remanufactured Friction-Ready Disc Brake Calipers 19141581

Brake Calipers, Professional Remanufactured Friction-Ready, Stock Series, Cast Iron, Natural, Cadillac, Chevy, GMC, Hummer, Each

Part Number: ADO-18FR1379

Not Yet Reviewed

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Dorman Windshield Washer Fluid Reservoirs 603-072

Windshield Washer Fluid Reservoir, Plastic, Clear, Chevrolet, GMC, Each

Part Number: RNB-603-072

3.0 out of 5 stars ( 1 )

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Energy Suspension Control Arm Bushings 3.3194R

Control Arm Bushings, Rear, Polyurethane, Red, Cadillac, Chevy, GMC, Kit

Part Number: ENS-3-3194R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

Haltech Nexus Rebel LS Throttle Adapter Harnesses HT-186505

Harness Adapter, Nexus Rebel LS, DBW, 6-Pin, Chevrolet, LS, Each

Part Number: HTH-HT-186505

Not Yet Reviewed

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Fram Automatic Transmission Filters FT1217B

Transmission Filter, Cadillac, Chevy, GMC, Hummer, Oldsmobile, 4L60E, Each

Part Number: FRM-FT1217B

4.75 out of 5 stars ( 4 )

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ACDelco Torsion Bar Bushings 20829013

Torsion Bar Bushing, Rubber, Steel, Black, Natural, Cadillac, Chevy, GMC, Hummer, Each

Part Number: ADO-20829013

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2003 CHEVROLET AVALANCHE 1500 Parts and Accessories