1999 GMC SIERRA-1500 Parts and Accessories

Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885342

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Pistons, Hypereutectic, Dish, 3.800 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H856CP50MM

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Ignition Coil, Street Fire, Coil Pack, Black, Buick, Chevy, GMC, Set of 8

Part Number: MSD-55098

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Computer Programmer, Gas Evolution CS2, Cadillac, Chevy, Dodge, Ford, GMC, Hummer, Isuzu, Lincoln, Each

Part Number: EGE-85350

3.93 out of 5 stars ( 14 )

Estimated Ship Date: Oct 7, 2025 if ordered today

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• Special Order

ATV Storage Box, Aluminum, Black Powdercoated, 35 in. Length, 12 in. Height, 12 in. Depth, Each

Part Number: DZZ-M207

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Valve Spring Kit, Beehive Springs, Steel Retainers, Locks, Seals, Kit

Part Number: CCA-26915CS-KIT

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Air Springs, Rear, Chevy, GMC, Pickup, RWD, Lowered, Kit

Part Number: MMC-33024

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Ignition Coils, MOD Series, Cadillac, Chevy, GMC, Hummer, Set of 8

Part Number: NGK-49473

Not Yet Reviewed

Estimated Ship Date: Today

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Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24161

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Wheel, CV63, CV63, Gunmetal Machined, 20x9, 6-139.7 Bolt Pattern,, 28 Offset, 6.2 Backspace, 78.1 Hubbore

Part Number: OWH-9511034

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sway Bar, Gunmetal, Steel, Front, 1 3/8 in. Diameter, Chevy, GMC, Pickup, Kit

Part Number: BEL-5402

4.8 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Alternator, Internal Regulator, 200 Amp, CS144 Case, Natural, GM, Each

Part Number: PWM-48203

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Catalytic Converter, Direct Fit, Stainless Steel, Cadillac, Chevy, GMC, Each

Part Number: MPE-51097

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Buy Converter and get up to $75 back after sending in your old one! Please visit www.magnaflow.com/pages/retailer-recycling-program ...Read More

Buy a Magnaflow Converter and get UP TO $75 back after sending in your old OEM one! Visit www.magnaflow.com/pages/retailer-recycling-program to begin the rebate redemption process. Valid on purchases made between 1/1/25 and 12/31/25. Open to legal residents of the 50 United States and District of Columbia. Only OE (original equipment) converters are eligible for a refund. Rebate will be in the form of a Visa Prepaid card. Please allow 4-6 weeks to receive rebate. Show Less

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Cold Air Intake, Black Plastic Tube, White Paper Filter, Cadillac, Chevrolet, GMC, Kit

Part Number: SBF-75-5157D

Not Yet Reviewed

Estimated Ship Date: Today

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Disc Brake Caliper, Cast Iron, Black, 2-Piston, Cadillac, Chevy, GMC, Pair

Part Number: PWR-S4728BLK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Exhaust System, Ultra Flow SS, Cat-Back, Stainless, Polished Tip, Chevy, GMC, Pickup, V6/V8, Kit

Part Number: WLK-39311

4.74 out of 5 stars ( 27 )

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 30-Spline, Chevy, GMC, 8.5 in., 8.625 in., Pair

Part Number: MSR-A30-99GMTK

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Ring and Pinion Gears, EXCel, GM 8.25 in., IFS, 4.10:1 Ratio, 30-spline, Reverse Rotation, Front, GM 8.25 in., IFS, Cadillac, Chevrolet, GMC, Set

Part Number: RMG-GM825410

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Valve Spring Kit, Beehive Springs, Steel Retainers, Locks, Seals, Kit

Part Number: CCA-26918CS-KIT

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Rocker Arms, Ultra Pro Magnum, Full Roller, 1.8 Ratio, Chromoly Steel, Pedestal Mounting, Chevy, Set of 16

Part Number: CCA-1677-16

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Universal - Custom for aftermarket Bracket Setups - Motor swaps-sperpentine belt only

Part Number: MEH-7127320B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Shocks, Nitro Drop 2, Twin Tube, Gas Charged, Chevy, GMC, Set of 4

Part Number: BEL-9130

Not Yet Reviewed

Estimated Ship Date: Today

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Leaf Spring Leveling Kit, Slam Air, Adjustable Air Springs, For Lowered Trucks, Rear, Lowered 4-6 in. Pair

Part Number: AIR-59209

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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