2021 GMC SIERRA 1500 Engines & Components

Lifters, Hydraulic Roller, 0.843 in. O.D., Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: SLP-HT2148A

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Rocker Arms, GM Genuine Parts, Roller Fulcrum, Pedestal Mounting Style, 1.6 Ratio, Steel, Natural, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12619829

Not Yet Reviewed

Estimated Ship Date: Today

Oil Filter, Performance Gold, Canister, 4.08 in. Tall, 3.00 in. Diameter, M22 x 1.5 Thread, Bypass Relief, 11-17 psi, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-2012

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Timing Chain, Replacement, Single Roller, Steel, Chain Only, 60 Links, 0.488 in. Width, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab,Each

Part Number: MEL-3SRH60

Not Yet Reviewed

Estimated Ship Date: Today

Oil Filters, Ultraguard Gold Engine Oil Filters, Canister, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-UPF66R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Valve Lifter Guide, Plastic, Hydraulic Roller, Front For AFM/DOD, Chevrolet, LS, Each

Part Number: ADO-12669184

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Wiring Harnesses, ACDelco Wiring Harnesses, 2 Circuits, 9.65 in. Length, Cadillac, Chevy, GMC, Each

Part Number: ADO-12681015

Not Yet Reviewed

Estimated Ship Date: Today

Valve Lifter Guide, Plastic, Hydraulic Roller, Rear For AFM/DOD , Chevrolet, LS, Each

Part Number: ADO-12669185

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Intake, Steel, 2.125 in. Diameter, 0.313 in. Stem, 5.240 in. Overall Length, Cadillac, Chevy, GMC, 6.2L Small Block Gen V, Each

Part Number: MEL-V5814

Not Yet Reviewed

Estimated Ship Date: Today

Valve, Exhaust, 21-4N Stainless Steel, 1.594 in. Diameter, 0.313 in. Stem, 5.200 in. Length, Cadillac, Chevy, GMC, 6.2L Small Block Gen V, Each

Part Number: MEL-V5815

Not Yet Reviewed

Estimated Ship Date: Today

Valves, GM Genuine Parts Engine Valves, Intake, Steel, 4.401 in. Overall Length, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12629513

Not Yet Reviewed

Estimated Ship Date: Today

Engine Oil Filler Caps, GM Genuine Parts, Stock Top Style, Round, Plastic, Black, Chevrolet, GMC, Each

Part Number: ADO-FC279

Not Yet Reviewed

Estimated Ship Date: Today

Oil Filter, Performance Gold, Canister, 3.75 in. Tall, 3.00 in. Diameter, 1 in.-16 Thread, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-1021

Not Yet Reviewed

Estimated Ship Date: Today

Stock Replacement Engine Valve Lifter Guide

Part Number: MEL-MLG101

Not Yet Reviewed

Estimated Ship Date: Today

Oil Filter, Select, Canister, Black, M22 x-1.5 Thread, 4.44 in. Tall, 2.94 in. Diameter, Anti-Drainback, Bypass Relief, Each

Part Number: KNN-SO-2011

Not Yet Reviewed

Estimated Ship Date: Today

Stock Replacement Engine Valve Lifter Guide

Part Number: MEL-MLG102

Not Yet Reviewed

Estimated Ship Date: Today

Oil Filter, Pro GUARD D2, Canister, Each

Part Number: AFE-44-LF038

Not Yet Reviewed

Estimated Ship Date: Today

ARM ENG VALVE ROCKER

Part Number: MEL-MR-913

Not Yet Reviewed

Estimated Ship Date: Today

SEAL

Part Number: NAL-24504031

Not Yet Reviewed

Estimated Ship Date: Today

VALVE TRAIN SET UP SPRING

Part Number: MEL-VTSS100

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

(EA)VALVE SPRING

Part Number: MEL-VS-2488

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Special Order

Valve Cover Grommets, Rubber, Chevy, LS, Set of 8

Part Number: GRN-640368

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Special Order

Engine Balance Shaft Chain

Part Number: CLO-C927

Not Yet Reviewed

Estimated Ship Date: Today

Engine Oil Filter, Engine Oil Filter

Part Number: MAH-OC1660

Not Yet Reviewed

Estimated Ship Date: Today