GMC SIERRA 2500 HD Engines & Components

Power Steering Pulley, Stock, Serpentine, 6-Groove, Steel, Black, Each

Part Number: RNB-300-229

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.010 in. Reduced Center, Each

Part Number: CLO-9-131-10

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.059 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860060

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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TIMING COVER

Part Number: PIO-500323RSH

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Drive Belt Tensioner Assembly

Part Number: ADO-12673657

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• $20 Summit Bucks
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Replacement Timing Chain, True Roller, Chevy, Pontiac, Each

Part Number: CLO-9-131

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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A/C Compressor Eliminator, GM, Each

Part Number: RNB-34175

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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TENSIONER

Part Number: NAL-12580196

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Harmonic Balancer, Internal Balance, Nodular Iron, Buick, Cadillac, Chevy, GMC/Hummer/Isuzu, Small Block, Each

Part Number: ATP-102171

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 19, 2025 if ordered today

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Pistons, ACDelco GM Genuine Parts Pistons, 4.000 in. Bore, Cast Aluminum, 1.20 mm x 1.50 mm x 2.50 Ring Thickness, Chevy, GMC, Each

Part Number: ADO-89017849

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

• $20 Summit Bucks
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BELT

Part Number: NAL-12637204

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Oil Filters, Pro GUARD D2, Canister, Set of 4

Part Number: AFE-44-LF012-MB

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Drive Belt Tensioner Assembly

Part Number: ADO-12654271

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20 Summit Bucks
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Accessory Drive Belt Kit, 4 Groove Belt, Tensioner, Kit

Part Number: CEL-K49276

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Accessory Belts, ACDelco V-Ribbed Serpentine Belts, 96.06 in. Length, 6 Ribs, Chevy, GMC, Each

Part Number: ADO-K060956HD

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
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ChevroletS.B. Large Pin - 2.100" 262,267,302,305,307,327,350 ci V8LS Gen III,IV & VortecSmall Block 400 ci V8Tri-Metal - .028mm (.011") undersize

Part Number: PEB-8B663H-011

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Valve Covers, Replacement, Stock, Baffled, Cast Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12637684

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
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Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-5085010

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

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ENGINE TIMING SET

Part Number: CLO-C-3217

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 17, 2025 if ordered today

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Automatic Belt Tensioner

Part Number: RNB-419-400

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Accessory Belt Service, Cadillac, Chevrolet, GMC, Rubber, Steel, Plastic, Serp Belt, Idler Pulley, Tensioner Pulley, Kit

Part Number: ADO-ACK060930

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20 Summit Bucks
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Engine Piston Ring Set, Single Cyl Ring Set

Part Number: HSN-2D4845S

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Estimated Ship Date: Dec 18, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.044 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860045

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Harmonic Balancer, GM OE, Not SFI-Approved, Chevy, GMC, Each

Part Number: ADO-12680364

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

• $20 Summit Bucks
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Piston Rings, Phosphate Coated, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-4860030

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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