BROWSE GM OEM AND AFTERMARKET PARTS
GM Genuine Parts and ACDelco parts offer the quality and performance you expect, and the confidence you deserve. Find the GM OEM auto parts you need for your Chevrolet, Buick, GMC or Cadillac — all designed, engineered, tested and backed by GM.
Don’t own a GM vehicle? Explore ACDelco aftermarket parts suited for most makes and models and backed by GM.
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TRUST PREMIUM ACDELCO OEM AND GOLD AUTOMOTIVE FLUIDS
ACDelco Fluids and automotive chemicals, including engine oil, transmission fluid, coolant, and windshield washer fluid, are the authentic OEM replacement products recommended for GM vehicles and are suitable for most makes and models.
Help protect engine components and optimize performance with synthetic and conventional engine oils.
Maintain stopping power and system safety with high-boiling-point brake fluids.
Help extend transmission life and ensure smooth shifting with automatic transmission fluids and gear oils.
Clear away dirt and road grime efficiently with all-weather formula windshield washer fluids.
HELP PROTECT LIGHTING AND VISION WITH OEM VISIBILITY AND SAFETY PARTS
Safety on the road relies on driver awareness. GM OEM visibility parts, like headlight replacements, taillight assemblies, mirrors and light bulbs, work with vehicle safety systems to help drivers maintain awareness and safety on the road.
Help maintain safety and performance with GM OEM windshield replacements.
Help keep vision clear with GM OEM headlights and taillights compatible with advanced vehicle safety systems.
Choose from a full range of outside and inside rearview GM OEM mirrors.
Change lights with premium GM OEM replacement bulbs designed for optimal visibility.
KEEP YOUR GM A GM WITH OEM EXTERIOR PARTS
Genuine GM OEM exterior parts help enhance vehicle appearance, safety, and functionality for collision repair and everyday maintenance. These components are designed to restore original fit and performance while supporting long-term durability and driving confidence.
Help protect body panels with GM OEM fenders built specifically for vehicle restoration and fit.
Match vehicle paint to its exact original finish with GM OEM touch-up paints.
Help your vehicle keep its style and airflow with GM OEM grilles designed to match exact factory specs.
GM OEM exterior body parts can help restore a vehicle's original look and performance.
CHOOSE OEM PARTS FOR COLLISION REPAIR
If you’ve been in a collision, it’s important you know your rights:
- Some insurance policies obligate the use of original equipment (OEM) parts and some do not.
- If your insurer suggests aftermarket parts, you have the right to insist on GM OEM parts.
- Regulations in many states require the insurer to indicate aftermarket parts on the appraisal.
- Check the appraisal carefully and insist on OEM parts.
GENUINE OEM PARTS AROUND THE WHEEL
The right parts matter when a vehicle meets the road. Authentic ACDelco parts and GM OEM parts, including brakes, suspension, wheels and TPMS
Help preserve stopping power with brake parts built for quiet and comfort.
Use authentic ACDelco and GM OEM Brake system parts for smooth stopping power.
Find and price replacement tires suited for GM vehicles with Certified Service.
Help preserve tires with OEM TPMS
Trust OEM wheels, lug nuts and studs — built for durability and eye-catching style.
Help protect vehicle stability, comfort and longevity with GM OEM suspension parts.
PERFORMANCE DEMANDS OEM PRECISION UNDER THE HOOD
From generating power to managing electrical and mechanical systems, the heart of any vehicle lies under the hood. GM OEM and authentic ACDelco parts, including engines, drive belts, engine air filters, radiators and alternators and starters, are the recommended replacement parts for helping GM vehicles perform and maintain longevity.
Help protect engine airflow with ACDelco engine air filters built with advanced media.
Restore performance with new or remanufactured GM OEM engine assemblies and parts.
Help maintain the drivetrain with ACDelco drive belts for quiet, dependable performance.
Help protect the engine from heat with OEM replacement radiators.
Help optimize fuel efficiency and engine emissions with OEM fuel and emissions components.
Get starting power from GM OEM parts that deliver consistently.
KEEP GOING ON AND ON WITH GM OEM UNDERBODY PARTS
GM OEM Underbody parts are designed, engineered, tested and backed for GM vehicles to help maintain for the roads ahead. Trust GM OEM drivetrain, transmission, exhaust, fuel system and transfer case parts to help GM vehicles keep going on and on.
Trust GM OEM transmission components designed to match GM vehicles.
Help protect underbody components with OEM exhaust parts.
Help preserve engine and fuel systems with premium fuel filters.
Trust OEM drivetrain parts to help optimize performance, durability and service life.
Rely on GM OEM fuel pumps and parts to help deliver optimal fuel for GM vehicles.
Help keep 4WD and AWD GM vehicles performing with new and remanufactured OEM parts.
HELP KEEP THE SYSTEM STRONG WITH OEM POWER & ELECTRONICS PARTS
GM OEM power & electronics auto parts are engineered, tested and backed to help support optimal electrical performance and reliability. Trust authentic GM OEM and ACDelco batteries, starters, alternators, sensors, modules, and wiring components to help keep your vehicle powered and connected.
Trust GM OEM transmission components designed to match GM vehicles.
Help keep your vehicle powered with a full line of OEM ignition parts.
Take comfort with OEM heating and air conditioning parts built to meet exact performance standards.
Help keep your vehicle performing how it was designed with GM OEM wiring and electrical modules.
BACKED BY LIMITED WARRANTY
Most GM Original Equipment and Gold lines from GM Genuine Parts and ACDelco come backed by a 24-month/unlimited-mile limited warranty.
HOW TO SPOT COUNTERFEIT PARTS
Parts that appear unusually inexpensive, arrive in unfamiliar packaging, or lack GM or ACDelco branding may be counterfeit. These parts are not manufactured or tested to GM standards and may affect performance or safety.​
CERTAINTY STARTS HERE
Discover our full line of GM-backed product classes for every Chevrolet, Buick, GMC or Cadillac and for many makes and models.
