Buy Genuine OEM GM Electrical Modules, Transmission Harnesses & Engine Parts
Over 67,000+ Genuine OEM Parts in Stock
Whether you're repairing transmission shifting faults, electrical harnesses, or V8 engine lifter noise, don't risk expensive component failure with cheap aftermarket knockoffs. Order direct-fit GM Parts Center factory-warranted replacement parts engineered specifically for Chevrolet, GMC, Buick, and Cadillac vehicles at wholesale prices.
Top Trending OEM GM Part Numbers & Control Modules
Shop our most requested, fast-shipping factory components by exact part number:
- Buy GM 86421782 Transmission Control Module (TCM) – Direct OEM replacement for shifting issues, transmission slip, and TCM communication error codes.
- Buy GM 24064375 Automatic Transmission Control Wiring Harness – Protects internal wiring against moisture, abrasions, and vibration shorts (Replaces OEM #24046895).
- Order GM 13543768 Steering Column Control Module – Factory-validated steering column module for 2020-2026 Chevrolet Corvette, Cadillac XT4, and Silverado 1500 models.
- Buy GM 12736536 Valve Lifter Oil Solenoid Valve – Crucial replacement part for fixing Chevy 5.3L and 6.2L AFM/DFM engine ticking and lifter lockup.
Genuine GM Transmission Control Module (Part #86421782)
Fits: Select Chevrolet, GMC, Buick, and Cadillac Automatic Transmission Assemblies.
- 100% Genuine GM Factory Replacement Component
- Restores Factory Transmission Shift Points & Solenoid Control
- Backed by Minimum 12-Month/Unlimited-Mile GM Warranty
Check Stock & Buy GM Part #86421782 Online →
GM Automatic Transmission Control Wiring Harness (Part #24064375)
Description: Replaces older GM part numbers 24045611, 24046895, 24294894, and 24298757.
Discounted Sale Price Available at Checkout
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Why Order Genuine GM Parts Online From GM Parts Center?
Replacing complex control modules or transmission harnesses requires precision fitment. Unlike generic aftermarket parts, shopping directly through Chevrolet OEM Parts ensures your components fit the first time without custom wiring or software errors.
- Nationwide Warehouse Network: Huge inventory in stock for fast, same-day or next-day shipping.
- Lowest Total Transaction Cost: Competitive direct pricing with no hidden shipping fees at checkout.
- Over 500,000+ Satisfied Customers: Trusted nationwide with a 4.9-star review rating.
Guaranteed Fitment: Use Our VIN Lookup Tool
Because part numbers like 86421782, 24064375, and 13543768 depend heavily on your exact vehicle year, trim level, and transmission configuration, always verify your Vehicle Identification Number before ordering.
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Looking for Aftermarket Upgrades & Accessories?
In addition to genuine factory GM parts, we stock the full catalog of Rough Country Lift Kits and Off-Road Accessories for Chevy Silverado and GMC Sierra trucks.