2003 CHEVROLET AVALANCHE 1500 Gaskets & Seals

Gasket, Gen. 3/4 LS Timing Cover Set with Seal and Oil pump O-Rings, Cork/Rubber, 4.8/5.3/5.7/6.0/6.2L, V8's, Kit

Part Number: FEL-TCS45993

4.92 out of 5 stars ( 71 )

Estimated Ship Date: Today

Valve Cover Gaskets, Performance, Silicone, Chevy, Small Block LS, Pair

Part Number: FEL-VS50504R1

4.83 out of 5 stars ( 23 )

Estimated Ship Date: Today

Rear Main Seals, Original, One-piece, Viton®, Chevy, Small Block LS, Each

Part Number: MAH-JV1657

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Oil Pan Gasket, 1-Piece, Rubber, Chevy, Small Block Gen III, Each

Part Number: FEL-OS30693R

5.0 out of 5 stars ( 27 )

Estimated Ship Date: Today

Rear Main Seal, 1-Piece, Rubber, GM, 4.8L, 5.3L, 5.7L, 6.0L, LS1, Each

Part Number: FEL-BS40640

4.74 out of 5 stars ( 38 )

Estimated Ship Date: Today

Exhaust Gaskets, Exhaust Manifold, Multi-layer Steel, GM Truck, LS, Includes EGR and Air Injection Gaskets, Set

Part Number: MAH-MS16124

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

Head Gasket, Gen. 3/4 Chevy LS 4.8 and 5.3L, 3.835 bore, .048 Thickness, MLS, Each

Part Number: FEL-26191PT

5.0 out of 5 stars ( 16 )

Estimated Ship Date: Today

Gasket, Valley Pan, Rubber With Steel Core, All Gen. 3 Chevy LS V8, 4.8L, 5.3L, 5.7L, 6.0L Set with knock sensor grommets, Each

Part Number: FEL-MS92465

4.67 out of 5 stars ( 21 )

Estimated Ship Date: Today

Head Gasket, Multi-Layer Steel, GM, LS Engine, 4.8L and 5.3L Truck, Each

Part Number: MAH-54441

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Head Gasket, Multi-Layer Steel, GM, LS Engine, 4.8L and 5.3L Truck, Each

Part Number: NAL-12575329

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Exhaust Gaskets, Header and Manifold Gaskets, Round Port, Graphite, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, LS, Pair

Part Number: RFL-2049

4.67 out of 5 stars ( 18 )

Estimated Ship Date: Today

Intake Manifold Gaskets, Replacement, Stock Port Style, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Chevy Small Block LS, Set

Part Number: FEL-MS92211

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Gaskets, Intake Manifold, Chevy, Pair

Part Number: MAH-MS16340

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

Camshaft Seal, Steel/Rubber, Natural, GM, Gen III/IV LS Engines, Each

Part Number: MAH-B32270

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

Valve Stem Seals, Rubber, GM, Saab, Set of 16

Part Number: FEL-SS71039

4.37 out of 5 stars ( 19 )

Estimated Ship Date: Today

GM Truck 4.8L Vin V, 5.3L Vin B, T, Z; 6.0L Vin N, U. GM Pass 5.7L Vin G 97/04

Part Number: MAH-MS19328

Not Yet Reviewed

Estimated Ship Date: Today

Pinion Adapter Sleeve, Steel with Rubber Inner, GM 8.6 in., GM 9.5 in., Each

Part Number: YGA-41150

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

Transmission Pan Gasket, Cork/Neoprene, GM 700R4, Each

Part Number: MRG-8695

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Valve Cover Gaskets, Molded Rubber Compound, Chevrolet, GMC, Chevrolet Small Block LS, Pair

Part Number: MRG-61040G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Cover Gaskets, Rubber, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Workhorse, Workhorse Custom Chassis, Pair

Part Number: BTC-BTR-37683-2

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today

Exh. Repair Kit

Part Number: RNB-57175

Not Yet Reviewed

Estimated Ship Date: Today

Engine Valley Cover Gasket, Rubber/Aluminum, Chevy, Small Block, Gen III/IV, Each

Part Number: MRG-61020G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Transmission Pan Gasket, Rubber with Steel Core, Chevy, THM700-R4/4L60/4L60E, Each

Part Number: MRG-51G05MRG

Not Yet Reviewed

Pinion Seal, GM 8.5, 8.6, Each

Part Number: YGA-30163

Not Yet Reviewed

Estimated Ship Date: Today