ACDelco 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 ( 53 )

Estimated Ship Date: Today

• $20 Summit Bucks

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

• $20 Summit Bucks

Fitting, Heater Hose Connector, 45 Degree, Steel, Natural, 13/16 in. Nipple, 1/2 in. Male Thread, Each

Part Number: ADO-15-31748

3.0 out of 5 stars ( 2 )

• $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

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

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

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

Part Number: ADO-00465840

Not Yet Reviewed

Estimated Ship Date: 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

PLUG,R/AXL HSG MAG DRN

Part Number: ADO-19407374

Not Yet Reviewed

Estimated Ship Date: Jan 5, 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: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

Engine Oil Line Fitting

Part Number: ADO-19303965

Not Yet Reviewed

Estimated Ship Date: Jan 5, 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 5, 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 2, 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 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

COCK ASM-RAD DRN

Part Number: ADO-13267636

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Parking Brake Shoe Adjuster Plug, Rear Parking Brake Adjuster Opening Cover

Part Number: ADO-25792722

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

• $20 Summit Bucks
• Special Order

CLIP,FRT BRK HOSE

Part Number: ADO-19408827

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

• $20 Summit Bucks
• Special Order

CONNECTOR,OIL FLTR

Part Number: ADO-93258997

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

CONNECTOR-HTR INL HOSE

Part Number: ADO-20809023

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• $20 Summit Bucks
• Special Order

Engine Oil Cooler Line Connector

Part Number: ADO-12605612

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Heater Hoses, Replacement, Plastic, Black, Stock Length, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-15-34069

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• $20 Summit Bucks
• Special Order

CONNECTOR,HTR OTLT HOSE

Part Number: ADO-15793367

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

CONNECTOR,HTR OTLT HOSE

Part Number: ADO-15059583

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order

NIPPLE ASM,HTR HOSE

Part Number: ADO-15-31733

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
• Special Order