1998 GMC Engine Blocks & Accessories

Bolt, GM Genuine Parts Replacement Bolt, Hex Head Flange, M8 x 1.25, 0.900 in. Underhead Length, Grade 10.9, Steel, Gray, Each

Part Number: ADO-12556127

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Cylinder Head Dowel Pins, Chevy, GMC, Big Block, Set of 10

Part Number: PIO-PG-233-10

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Brass, Chevy, GMC, Big Block, Kit

Part Number: MEL-MPE-275BR

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Today

Freeze Plugs, Steel, Chevrolet, Small Block, Kit

Part Number: MEL-MPE-100R

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

Rear Main Seal Housing, Chevy, Small Block, LT1, Each

Part Number: NAL-12554312

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Rear Main Seal Housing, Engine Crankshaft Seal Housing, Rear Main Seal, V6, One-Piece, Each

Part Number: ADO-12595923

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Head Locating Dowel Pin, Steel, Chevy, Each

Part Number: ADO-12558081

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Freeze Plugs, Brass, Big Block Chevy, Kit

Part Number: PIO-PE102B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Head Pin, 0.3094 in. O.D., 0.563 in. Height, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-585927

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, Chevy, GMC, Set of 10

Part Number: RNB-555-034

Not Yet Reviewed

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

Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each

Part Number: ADO-12561388

Not Yet Reviewed

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, 0.438 in. Diameter, Chevy, Chrysler, Dodge, Eagle, Ford, GMC, Jeep, Mercury, Set of 10

Part Number: RNB-555-003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

CHEV 454, Stud Kit, Main Girdle, Includes 10ea, 1/2" Longer Studs, 1/2"-13/20 x 5.313" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000209

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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BR EXP PLUG KIT

Part Number: PIO-PE-185-BR

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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

Part Number: RNB-555-087

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 3.00 in. Diameter, Chevy, GMC, Set of 10

Part Number: RNB-550-034

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Expansion Plugs, Steel, Diameter 2.105 in., GM, Set of 10

Part Number: RNB-555-085

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Oil Galley Plug, GM 4-Cylinder, 2.2L, Each

Part Number: CLO-P9115

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Engine Cylinder Head Dowel Pin, Engine Cylinder Head Dowel Pin, PIN-CYL HD DOWL

Part Number: ADO-14024244

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order

STUD-OIL PAN

Part Number: ADO-14080362

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 7.000 in. Length, Each

Part Number: MEL-590297

Not Yet Reviewed

Estimated Ship Date: Today

EX.PLUG-BRASS-DEEP CUP-1-5/8

Part Number: MAH-2198041

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Sleeve Assembly Ring Set -

Part Number: MAH-S41718020

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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