2003 Engine Blocks & Accessories

Engine block coolant and oil plug kit, Threaded Engine Block Oil/Coolant passage Plugs, Brass/Steel, Oil Plug and barbell, Chevy, GM LS GenIII/IV, Kit

Part Number: SUM-G1584

4.73 out of 5 stars ( 30 )

Estimated Ship Date: Today

Oil Galley Plug, Nylon, White, Chevrolet, Small Block Gen III/IV, LS, Each

Part Number: MEL-MOGP-100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Engine Camshaft Plug, Stock Replacement Engine Camshaft Plug

Part Number: MEL-MEP-334

Not Yet Reviewed

Estimated Ship Date: Today

Oil Diverter Barbell, Aluminum, Chevy, LS, Each

Part Number: PGP-PRP-4575

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Freeze Plugs, Steel, 1.625 in. Diameter, AMC, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Jeep, Set of 10

Part Number: RNB-555-030

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 1.250 in. Diameter, 0.300 in. Height, Cadillac, Chevy, Chrysler, Set of 10

Part Number: RNB-555-024

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Freeze Plugs, Brass/Steel, Chevrolet, GM LS Engine, Kit

Part Number: PIO-PE-496-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Oil Line Block-Off Plate, Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: RNB-99971

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Freeze Plugs, Steel, 2.219 in. Closed End Diameter, 2.226 in. Open End Diameter, Chevy, GMC, Set of 10

Part Number: RNB-555-081

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Expansion Plug, Engine Oil Galley Plug, Steel, 2.00 in. Diameter, Jeep, Each

Part Number: MOP-J3105394

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plug Kit, Stock Replace

Part Number: MEL-MPE-849R

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

• Drop Ship
• Special Order

Freeze Plugs, Steel, Ford, Lincoln, 5.4L, Kit

Part Number: MEL-MPE-281R

Not Yet Reviewed

Estimated Ship Date: Today

Expansion Plugs, Steel, Diameter 1.513 in., Various, Each

Part Number: RNB-555-077

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, Ford, Mercury, Set of 10

Part Number: RNB-555-084

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 20mm, Ford, Infiniti, Mazda, Nissan, Toyota, Set of 10

Part Number: RNB-555-101

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plugs, Steel, AMC, Jeep, International, Set of 7

Part Number: RNB-557-017

Not Yet Reviewed

Estimated Ship Date: Today

Expansion Plugs, Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Jeep, Set of 10

Part Number: RNB-555-104

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Expansion Plugs, Steel, Diameter 1.638 in., Various, Each

Part Number: RNB-555-087

Not Yet Reviewed

Estimated Ship Date: Today

GM LS FREEZE PLUG KIT

Part Number: EW1-561663-KIT

Not Yet Reviewed

Estimated Ship Date: Today

Expansion Plugs, Steel, Diameter 2.015 in., Various, Each

Part Number: RNB-555-069

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plug Kit 86-08 FRD/MAZ/MER 3.0L

Part Number: EGN-PK51B

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order

Engine Expansion Plug Kit, Stock Replace

Part Number: MEL-MPE-844R

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

• Drop Ship
• Special Order

Expansion Plug, Engine Oil Galley Plug, Steel, 1.50 in. Diameter, Chrysler, Dodge, Ram, Jeep, Each

Part Number: MOP-06036417AA

Not Yet Reviewed

Estimated Ship Date: Today