GMC SIERRA 2500 HD Fittings & Plugs

Transmission Line Adapter, Brass, Snap-In, Each

Part Number: HDA-397

4.78 out of 5 stars ( 18 )

Estimated Ship Date: Today

Fitting, Transmission Cooler Line Connector, Steel, 3/8 NPT Male Threads, Quick-connect, Cadillac, Chevy, GMC

Part Number: RNB-800-606

Not Yet Reviewed

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

• $20 Summit Bucks

Plug, Engine Galley Plug, Stock Replacement, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-11546667

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Crush Washer, Copper, Natural, 14mm Washer Hole Size, Chevrolet, GMC, Each

Part Number: PPE-114052002

Not Yet Reviewed

Estimated Ship Date: Today

Fitting, Heater Hose Connector, Straight, Plastic, Black, 3/4 in. Hose Barb, 3/4 in. Quick Connect, Each

Part Number: RNB-800-411

Not Yet Reviewed

Estimated Ship Date: Today

Trans. Line Connector, Brass, Each

Part Number: RNB-800-604

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Fuel Line Repair Kit, male 3/8in, 18in long, steel, includes 16mm fitting, each

Part Number: RNB-800-153

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Brake Bleeders, Replacement, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: RNB-13908

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Air Conditioning Service Port Adapter, Aluminum, Schrader Valve, 12mm x 1.50 Threads, Buick, Cadillac, Chevy, GMC, Pontiac, Oldsmobile, Hummer, Each

Part Number: RNB-800-955

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: RNB-800-409

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: ADO-11569669

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Crush Washers, 10.30mm I.D., 16.91mm O.D., 1.2mm Thick, Copper, Natural, Set of 10

Part Number: RNB-484-180

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Steam Vent Adapters, Coolant Crossover Components, -3 AN Size, Aluminum, Black, Chevy, Small Block LS, Pair

Part Number: EAR-LS9808ERL

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

• Drop Ship
• Special Order

Power Steering Fitting, Return Line End, Stock, Each

Part Number: SUG-3602827

Not Yet Reviewed

Estimated Ship Date: Today

Electric Water Pump Port Adapters, Billet Aluminum, Black Anodized, Four -12AN Female Ports, Gaskets, Bolts, Chevrolet, LS, Pair

Part Number: EAR-LS0022ERL

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

• Drop Ship
• Free Shipping
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Crush Washers, 10.30mm Hole Size, 16.91mm O.D., 1.2mm Thickness, Copper, Natural, Pair

Part Number: RNB-66223

Not Yet Reviewed

Estimated Ship Date: Today

Fasteners, Dorman, Replacement, Clip, Steel, Black, 1 in. Long, for Cowl Vent or Bumper Cover, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pair

Part Number: RNB-963-212

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Line Retaining Clip, Steel, Each

Part Number: ADO-88960976

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

CONNECTORS & CONNECTOR KITS FOR HEATER AND VACUUM HOSE, 5/8" STRAIGHT, Set of 5

Part Number: CEL-65624

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Drop Ship
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Fitting, Transmission Cooler Line to Case, 1/4 in. NPS, Long, Most 1997-2008 4L80E Rear, Each

Part Number: RNB-800-759

Not Yet Reviewed

Estimated Ship Date: Today

Water Pump Adapters, Billet Aluminum, Black Anodized, Chevrolet, Big Block Electric Pump to LS Engine, Pair

Part Number: EAR-LS0025ERL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

NUT - HEX TUBE INVERTED FLARE

Part Number: ADO-11569786

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Caliper Washer, Each

Part Number: NAL-21012386

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Special Order