2003 GMC SIERRA 1500 HD Fittings & Hoses

Brake Line Retaining Clips, Brake Hose Locks, Steel, Natural, Set of 4

Part Number: DHB-HW1457

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Today

Brake Bleeders, Speed Bleeders, 10mm x 1.0 Thread, 35mm Overall Length, Steel, Pair

Part Number: RUS-639560

4.85 out of 5 stars ( 27 )

Estimated Ship Date: Today

Brake Bleeders, Speed Bleeders, 10mm x 1.5 Thread, 30mm Overall Length, Steel, Pair

Part Number: RUS-639580

4.7 out of 5 stars ( 27 )

Estimated Ship Date: Today

Heater Hose Connector, Steel, Natural, 3/4 in. Female Quick-Connect, 5/8 in. Hose Barb, Each

Part Number: RNB-800-409HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Grease Gun Accessories, Steering Idler Arm Grease Hose Kit, Cadillac, Chevrolet, GMC, Hummer, Kit

Part Number: MOG-K6714

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Transmission Line Adapter, Brass, Male 5/8 in.-18 Inverted Flare, Pair

Part Number: HDA-390

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Various

Part Number: EDD-70694

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted

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 )

Estimated Ship Date: Today

Speed Bleeder Screws, 10mm x 1.50 Thread, 33mm Length, Pair

Part Number: RNB-12702

3.93 out of 5 stars ( 14 )

Estimated Ship Date: Today

Brake Fittings, Banjo Bolts, Straight, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-11569590

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Power Steering Hose, Steel, Zinc, High Pressure, Assembled, Each

Part Number: EDD-80331

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fitting, Power Steering End, Steel, Blue, 16mm Male Thread to 1/4 in. Male Bubble Flare, Straight, Each

Part Number: EDD-39108

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Brake Line, Rubber, Rear, Chevy, GMC, Each

Part Number: DHB-H381272

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Oil Cooler Connector, Transmission Oil Cooler Fitting, Straight, Brass, 3/4 in. Hose Barb, 3/4 in. Quick-connect, Buick, Chevy, Chrysler, GMC, Each

Part Number: FSS-53024

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Cooler Line, Cadillac, Chevy, GMC, Each

Part Number: RNB-624-118

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Oversize $7.99

Brake Line, Rubber, Driver Side Front, Chevy, GMC, Hummer, Each

Part Number: DHB-H620051

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Heater Hose Conntor

Part Number: RNB-800-917HP

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

• Drop Ship
• Special Order

Brake Hose, Individual, Assembled, Stock, Each

Part Number: SUG-2204530

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order

Brake Line, Rubber, Passenger Side Front, Chevy, GMC, Hummer, Each

Part Number: DHB-H620052

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Heater Hoses, Replacement, Rubber, 29.500 in. Length, Cadillac, Chevy, GMC, Saab, Toyota, Each

Part Number: FCD-MCH1309

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order

Brake Hose, Individual, Assembled, Stock, Each

Part Number: SUG-2204376

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order

Brake Hose, Individual, Assembled, Stock, Each

Part Number: SUG-2203677

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order

Steering Idler Arm Grease Hose Kit, Steering Idler Arm Grease Hose Kit

Part Number: DFP-TA6476

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

• Drop Ship
• Special Order

Brake Hose, Individual, Assembled, Stock, Each

Part Number: SUG-2202598

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

• Drop Ship
• Special Order