Availability
2021 GMC SIERRA 1500 Engines & Components
Showing In Stock Items. Show All 65 Items.
Lifter, Factory Hydraulic Roller Lifter, 0.842 in. O.D., Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Saab, Each
Part Number: MEL-JB-8011
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Timing Chain, Replacement, Single Roller, Steel, Chevy, Small Block LS, Each
Part Number: NAL-12646387
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Cylinder Head Fasteners, Head Bolts, Steel, Black, Cadillac, Chevrolet, GMC, Set of 11
Part Number: FEL-ES73121
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, LS, Set of 5
Part Number: KGB-MB5293MC
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Piston Rings, Premium Ductile Ring Set, 3.780 in. Bore, Standard Size, 1.2mm, 1.5mm, 2.5mm Thickness, Chevrolet, GMC, V8, 8 Sets
Part Number: HSN-2M5380
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Timing Chain Set, Single Roller Chain, Steel Crank Gear, Tensioner, Guide, Cadillac, Chevrolet, GMC, Set
Part Number: MEL-3-3SRH60SE
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Oil Cooler Block-Off Plate, Billet Aluminum, Black, Anodized, 1/8 in. NPT Port, Chevrolet, Gen V, LT, Each
Part Number: EAR-1137ERL
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Oil Cooler Block-Off Plates, Aluminum, Black Anodized, Cadillac, Chevrolet, GMC, Each
Part Number: EAR-1136ERL
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, 22mm x 1.5 Engine Threads, Kit
Part Number: TRD-1127
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Engine Timing Chain Kit
Part Number: CLO-9-4205SC
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
SINGLE PISTON
Part Number: NAL-12656875
Not Yet Reviewed
Estimated Ship Date: Aug 14, 2026 if ordered today
Estimated Ship Date: Aug 14, 2026 if ordered today
Rear Main Seal Cover Kit
Part Number: RNB-635-786
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.780 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, V8, Set
Part Number: MAH-42216CP
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
EM- Engine Variable Valve Timing Sprocket
Part Number: SMP-VVT833
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
SCREEN OIL PICKUP
Part Number: MEL-431S
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Engine Timing Crankshaft Sprocket
Part Number: CLO-S1111
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Engine Variable Valve Timing Sprocket
Part Number: SMP-VVT771
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
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