2003 CHEVROLET SILVERADO-2500-HD Parts and Accessories

Mass Airflow Sensor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Hummer, Isuzu, Saab, Each

Part Number: DFP-AF10043

4.9 out of 5 stars ( 42 )

Estimated Ship Date: Tomorrow

• Free Shipping

Main Bearings, MA-Series, Bi Metal, Standard Size, Chevy, 4.8, 5.3, 5,7, 6.0L, Set of 5

Part Number: SLP-7298MA

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-962

4.82 out of 5 stars ( 67 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Shocks and Struts, Street Performance Shocks, Lowered Ride Height, 5.00-7.00 in. Lowered Range, Twin-tube, Gas-charged, Rear, Chevrolet, GMC, Each

Part Number: BEL-2210FF

4.9 out of 5 stars ( 29 )

Estimated Ship Date: Tomorrow

Lug Nuts, Conical Seat, Bulge, 14mm x 1.50 RH, Closed End, Locking, Chrome Plated Steel, Set of 4

Part Number: MCG-24210

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

Head Gasket, MLS, 4.100 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Rod Bearings, HP-Series, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Tomorrow

Oil Filter, Performance Gold, Canister, 5.88 in. Tall, 3.69 in. Diameter, 13/16 in.-16 Thread, Bypass Relief, 11-17 psi, Anti-Drainback, Spin-On, Each

Part Number: KNN-HP-3003

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

Cam Bearings, Direct Replacement, Steel Backed Babbitt, Chevy, 4.8, 5.3, 6.0, 6.2, 7.0L, 2nd Design, Set

Part Number: CLE-SH2125S

4.33 out of 5 stars ( 42 )

Estimated Ship Date: Tomorrow

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

Part Number: MAH-JV1657

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

Transmission Fluid, Synthetic, Dexron II, Dexron III, Mercon, Mercon V, 1 qt., Each

Part Number: RED-30504

4.94 out of 5 stars ( 36 )

Cannot be shipped Internationally

• Restricted

Engine Gasket Sets, Original Engine Conversion, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, LS, Set

Part Number: MAH-CS5975A

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Engine Oil, Delvac Extreme, Synthetic, 10W30, 1 Gallon, Each

Part Number: MOB-122454-1

5.0 out of 5 stars ( 12 )

Cannot be shipped Internationally

• Restricted
• Mfr. Rebate

Rebate Expires: 11/30/2025

This Mobil 1 product qualifies for a rebate! Go to https://promotion.mobil.com/offers/delvacrebate/ ...Read More

Get up to $100 back after rebates on qualifying Mobil 1 Delvac products! $10 back on 1-gallon/2.5-gallon, $40 back on a 5-gallon pail of Delvac 1 ESP or Extreme Oil. $5 back on 1-gallon/2.5-gallon, $20 back on a 5-gallon pail of Delvac 1300 Oil. Limit $100 maximum rebate per household. Go to https://promotion.mobil.com/offers/delvacrebate/ to redeem. Valid on purchases made between 9/1/25 and 11/30/25. Rebate requests must be received by 12/14/2025. Valid in 50 U.S. states and D.C. only. Purchased together on (1) receipt or separately and combined in (1) envelope. Show Less

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Alternators and Generators, Elite Series Alternators, 12 V, 250 amps, Black, Serpentine Pulley, Buick, Chevy, GMC, Hummer, Olds, Pontiac, Each

Part Number: MEH-8206250B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Ignition Coil, Female/Socket, E-core, Square, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: ADO-19418993

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Battery, Red Top, Starting, 800 Cold Cranking Amps, Top and Side Post, BCI Group 12V, Hold Down and Cable Included, Kit

Part Number: CMB-06-0122

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping

Computer Programmer, Trinity 2 EX Platinum Performance, Competition Use Only, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DBL-9245

3.67 out of 5 stars ( 24 )

Estimated Ship Date: Tomorrow

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Intake Manifold Gaskets, Original, Stock Port, Molded Rubber Compound, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: MAH-MIS16340

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

Sensor, Coolant Temperature, Brass, Natural, Each

Part Number: ADO-213-4514

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Flexplate, OE Replacement, 168-Tooth, 14.00 in. Diameter, Internal Balance, Steel, Chevy, LS, 4L80E/TH350/TH400, Each

Part Number: ADO-19260102

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

• $20.00 Summit Bucks

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 10.5 in., 14-Bolt, Fits 4.10:1 and Numerically Lower Carrier, Set

Part Number: MGR-GM10-5-410

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Air Intake, Polished Aluminum Tube, Red Filter, Cadillac, Chevy, GMC, Pickup, SUV, 4.8L, 5.3L, 6.0L, V8, Kit

Part Number: SPE-9900

4.57 out of 5 stars ( 133 )

Estimated Ship Date: Tomorrow

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Rocker Arm, Standard Replacement, Steel, Chevrolet, LS, Each

Part Number: MEL-MR1341

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Engine Oil, Super, Semi-Synthetic, 5W30, 5 qt., Each

Part Number: MOB-124407-1

4.93 out of 5 stars ( 15 )

Cannot be shipped Internationally

• Restricted

Shackles, 2 in. Drop, 2.5 in. Wide Spring, Chevy, Dodge, Ford, GMC, Rear, Pair

Part Number: BEL-6400

4.84 out of 5 stars ( 90 )

Estimated Ship Date: Tomorrow