Fittings & Plugs

Fitting, Heater Hose Connector, 90 degree, Steel, 5/8 in. Nipple, 1/2 in. NPT Male Threads, Each

Part Number: ADO-15-31770

4.57 out of 5 stars ( 54 )

Estimated Ship Date: Today

• $20 Summit Bucks

Drain Plug, Engine Oil, OEM, Natural, GM, Each

Part Number: ADO-55577568

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

Fitting, Heater Hose Connector, Straight, Plastic, Black, Female Quick-Connect, Nipple, Chevrolet, GMC, Isuzu, Each

Part Number: ADO-15-33814

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

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

Heat Shield, Spark Plug Heat Shield, SHIELD-SPLG WIRE

Part Number: ADO-00465840

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks

Transmission Line Adapter Fitting, Oil Cooler End Fitting, Steel, Natural, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-19210848

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

Transmission Line Adapter Fittings, Rear Fitting, Female Quick Connect, Male 1/4 in. NPT, Steel, Chevrolet, 4L80E, Each

Part Number: ADO-24233367

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

1955-72 Chevy Radiator Petcock & Drain Hose Kit 1/4-in NPT

Part Number: RLD-PTK-5572

Not Yet Reviewed

• $10 Summit Bucks
• Special Order

PLUG,R/AXL HSG MAG DRN

Part Number: ADO-19407374

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Engine Oil Line Fitting

Part Number: ADO-19303965

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Engine Cylinder Head Plug, Engine Cylinder Head Plug, PLUG,CYL HD CORE HOLE

Part Number: ADO-01647544

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• $20 Summit Bucks
• Special Order

CONNECTOR ASM-ENG OIL CLR HOSE

Part Number: ADO-12614837

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Heater Hoses, Replacement, Steel, Zinc Finish, Stock Length, Inlet, HVAC Heater Hose Fitting, Chevrolet, GMC, Oldsmobile, Each

Part Number: ADO-15-75223

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Engine Oil Filler Cap, GM Genuine Part, Stock, Buick, Cadillac, Chevrolet, Each

Part Number: ADO-FC256

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

COCK ASM-RAD DRN

Part Number: ADO-13267636

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Brake Bleeder Screw, 10mm Thread, 1.22 in. length, Each

Part Number: ADO-25900782

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

PLUG-FUEL FLTR DRN

Part Number: ADO-84019468

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Parking Brake Inspection Plug

Part Number: ADO-25792720

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• $20 Summit Bucks
• Special Order

CLIP,FRT BRK HOSE

Part Number: ADO-19408827

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Multi Purpose Fitting, Power Brake Booster Vacuum Pipe Fitting

Part Number: ADO-90498846

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Radiator Drain Plug, Chevy, Buick, Cadillac, GMC, Saturn, Each

Part Number: ADO-52484010

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• $20 Summit Bucks
• Special Order

PLUG,RAD DRN (W/O-RING)

Part Number: ADO-89023378

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• $20 Summit Bucks
• Special Order

SEAL KIT,S/GR ADJR PLUG

Part Number: ADO-07832730

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• $20 Summit Bucks
• Special Order

RETAINER -

Part Number: ADO-07839359

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

CONNECTOR,FUEL PIPE

Part Number: ADO-19408352

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order