2003 GMC SIERRA 1500 HD Fittings & Hoses

Radiator Hose, Molded, Direct Fit, Rubber, Lower, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0L, Each

Part Number: CEL-62261

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Coolant Crossover Components, LS Steam Vent Adapters, -3 AN, One Single Outlet Adapter, One Dual Outlet Adapter, Aluminum, Black Anodized, Chevy, Set

Part Number: EAR-LS9809ERL

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Vacuum Line, Fuel Pressure Regulator Position, Rubber, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: ADO-17113556

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Radiator Hose, Molded, Rubber, Black, Each

Part Number: DAC-71989

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Heater Hose, Rubber, Black, Each

Part Number: ADO-18221L

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Heater Hose, Elite HY-T, EPDM, Black, 5/16 in. I.D., 50.0 ft. Length, Each

Part Number: CEL-64995

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fuel Vapor Lines, Replacement, Plastic, Black, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: ADO-12578233

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Hoses, Radiator, Professional Molded Radiator Coolant Hoses, Reinforced Rubber, Black, 47.800 in. Length, Cadillac, Chevy, GMC, International, Each

Part Number: ADO-26390X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Rear Axle Brake Lines - Fits 01-06 GMC Sierra 1500 HD, 99-04 GMC Sierra 2500, 01-06 Chevy Silverado 1500 HD, 99-07 Chevy Silverado 2500 - Steel

Part Number: OPS-T1001RG

Not Yet Reviewed

Estimated Ship Date: Today

MOLDED RADIATOR HOSE (SAE 20R4)

Part Number: CEL-62634

Not Yet Reviewed

Estimated Ship Date: Today

Power Steering Hose, Rubber, Black, High Pressure, Assembled, Each

Part Number: EDD-80332

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Automatic Transmission Cooler Line, Each

Part Number: ADO-15267484

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

HOSE - RET

Part Number: EDD-80403

Not Yet Reviewed

Estimated Ship Date: Today

RETURN HOSE

Part Number: EDD-80702

Not Yet Reviewed

Estimated Ship Date: Today

PS HOSE

Part Number: EDD-80713

Not Yet Reviewed

Estimated Ship Date: Today

Front Wiper Hose

Part Number: RNB-924-379

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

• Drop Ship
• Special Order

Heater Hose, Replacement Surge Tank Hose, 38.00 in. Length, Rubber, Black, Cadillac, Chevy, GMC, Each

Part Number: RNB-626-111

Not Yet Reviewed

Estimated Ship Date: Today

Brake Hose, Braided Stainless Steel, Rear, Chevrolet, GMC, Pair

Part Number: FNL-HSP0002SS

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

• Drop Ship
• Special Order

Power Steering Hoses and Lines, Power Steering Pressure Hoses, High-pressure, Rubber, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: EDD-92082

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Brake Hose, Assembled, Chevrolet, GMC, Each

Part Number: ADO-19366697

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Hoses, Heater, Stock, EPDM, Black, Cadillac, Chevy, GMC, Saab, Saturn, Each

Part Number: CEL-64113

Not Yet Reviewed

Estimated Ship Date: Today

HOSE ASM-TRANS FLUID AUX CLR INL

Part Number: NAL-15809057

Not Yet Reviewed

Estimated Ship Date: Today

Hoses, Heater, Stock, EPDM, Black, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Each

Part Number: CEL-64133

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Automatic Transmission Cooler Line, Each

Part Number: RNB-624-069

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

• Drop Ship
• Special Order

Power Steering Hoses and Lines, Return Line Assembly, Synthetic Rubber, Natural, Cadillac, Chevy, GMC, Hummer, Each

Part Number: SUG-3402199

Not Yet Reviewed

Estimated Ship Date: Today