Best GM OE Assemblies: Premium Fit & Reliability

Looking for the best GM OE assemblies? Discover GM Genuine Parts designed by GM engineers to deliver quality, reliability, and the perfect fit for your vehicle.

GM Genuine Parts are the trusted choice for keeping your vehicle running smoothly. These OE assemblies are designed by GM engineers to meet the highest standards. They ensure your car performs at its best.

Quality, reliability, and durability are built into every part. From radiators to door latches, each piece is vehicle-specific. You get the perfect fit every time.

Drive with confidence knowing these parts are backed by General Motors. They’re made with new materials and technologies to keep your ride strong. Explore the best GM OE assemblies and see the difference for yourself.

List of Top 10 GM OE Assemblies

Title	Best For	Price
GM Genuine Parts 95298548 Radiator	This radiator is perfect for drivers who want long-lasting performance and trusted quality for their Chevrolet, Buick, GMC, or Cadillac. It’s made for people who value durability and engineer-tested parts that keep their vehicle running strong.	View on Amazon (paid link)
GM Genuine Parts 15-11125 (12674639) Water Pump Outlet Assembly with Thermostat	This part is perfect for GM owners who want a quick fix for a leaking thermostat housing. It’s made for drivers who value GM OE quality and need a part that fits right the first time.	View on Amazon (paid link)
GM Genuine Parts 505-555 (19300024) Front Suspension Strut	This GM Genuine Parts 505-555 Front Suspension Strut is perfect for GM vehicle owners who want a reliable replacement part. It’s made to fit your GM car perfectly, offering quality and durability you can trust.	View on Amazon (paid link)
GM Genuine Parts 19150497 Windshield Wiper Motor	This windshield wiper motor is perfect for GM vehicle owners who want a reliable replacement part. It’s made to fit GM cars and works just like the original.	View on Amazon (paid link)
GM Genuine Parts 23345963 High Frequency Antenna	This GM Genuine Parts High Frequency Antenna is perfect for GM vehicle owners who want clear, strong signals and reliable performance. It’s built tough to handle harsh weather and car washes, making it ideal for daily drivers.	View on Amazon (paid link)
GM Genuine Parts 87863488 Front Half-Shaft Assembly	This front half-shaft assembly is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want reliable, high-quality parts. It’s designed by GM engineers to fit your vehicle perfectly and keep it running smoothly.	View on Amazon (paid link)
GM Genuine Parts 15-74254 (22877649) Temperature Mode Valve Actuator Assembly	This GM Genuine Parts Temperature Mode Valve Actuator Assembly is perfect for anyone with a GM vehicle needing to fix their HVAC system. It’s easy to install and works like the original part, so you can get your car’s heating and cooling back to normal.	View on Amazon (paid link)
GM Genuine Parts 25780186 Parking Brake Control Module Assembly	This GM Genuine Parts Parking Brake Control Module Assembly is perfect for GM vehicle owners who need a reliable replacement part. It’s designed to fit your specific GM model and works just like the original.	View on Amazon (paid link)
GM Genuine Parts 13546587 Rear Driver Side Door Latch	This part is perfect for drivers who want peace of mind knowing their door stays securely closed until they open it. It’s made for anyone who values trusted GM quality built exactly for their Chevrolet, Buick, GMC, or Cadillac.	View on Amazon (paid link)
GM Genuine Parts 12630859 Intake Manifold Assembly	This intake manifold assembly is perfect for GM vehicle owners who want a reliable replacement part. It’s made to fit your GM car or truck and works just like the original factory part.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 GM OE Assemblies, handpicked for quality, reliability, and performance. Each part is GM-recommended, ensuring a perfect fit and lasting durability for your vehicle. Find the best match for your needs and drive with confidence.

1. GM Genuine Parts 95298548 Radiator

The GM Genuine Parts 95298548 Radiator is lightweight and efficient. It has a corrosion-resistant aluminum core for long-lasting performance. This radiator is designed and tested by GM Engineers for your vehicle.

It meets rigorous standards and is backed by General Motors. The design is regularly updated with new materials and technologies.

Pros	Cons
Lightweight design for better heat transfer Corrosion-resistant core for long-lasting performance OE quality backed by General Motors Engineered for Chevrolet, Buick, GMC, Cadillac Updated designs with new materials and tech	Higher price than some aftermarket options. Limited availability in local stores. No DIY-friendly installation instructions included.

Perfect For:

This radiator is perfect for drivers who want long-lasting performance and trusted quality for their Chevrolet, Buick, GMC, or Cadillac. It’s made for people who value durability and engineer-tested parts that keep their vehicle running strong.

Ready to Purchase?

View Price on Amazon (paid link)

Best Durable HVAC Panels: Strong, Easy Install, Reliable

2. GM Genuine Parts 15-11125 (12674639) Water Pump Outlet Assembly with Thermostat

Fix leaks with the GM Genuine Parts 15-11125 Water Pump Outlet Assembly. It repairs leaking thermostat housings fast. Keep your GM vehicle running smooth.

This part is GM-recommended for your car. It matches the original factory component. Trust in GM OE quality and durability.

Get the right fit and function. This part is made to GM standards. Drive with confidence again.

Pros	Cons
Fixes leaks fast with a genuine GM part. Perfect fit for your GM vehicle, no hassle. Built tough like the original factory part. Reliable quality you can trust every time.	Higher price than generic alternatives Limited use outside GM vehicles Not easily found in local auto shops

Perfect For:

This part is perfect for GM owners who want a quick fix for a leaking thermostat housing. It’s made for drivers who value GM OE quality and need a part that fits right the first time.

Ready to Purchase?

View Price on Amazon (paid link)

3. GM Genuine Parts 505-555 (19300024) Front Suspension Strut

The GM Genuine Parts 505-555 Front Suspension Strut is built to match your vehicle’s original factory part. It delivers the same fit, form, and function you expect from GM.

It is GM-recommended. It offers quality. It ensures durability.

This strut gives you the reliability of GM OE parts. Drive with confidence knowing it’s made to last.

Pros	Cons
GM-recommended part for perfect fit and function. Quality, reliability, and durability like the original. Manufactured to GM standards for top performance. Easy replacement for your GM vehicle’s suspension.	Higher price than generic parts Limited use outside GM vehicles Professional install may be required

Perfect For:

This GM Genuine Parts 505-555 Front Suspension Strut is perfect for GM vehicle owners who want a reliable replacement part. It’s made to fit your GM car perfectly, offering quality and durability you can trust.

Ready to Purchase?

View Price on Amazon (paid link)

4. GM Genuine Parts 19150497 Windshield Wiper Motor

Keep your view clear. Keep your drive safe. This GM Genuine Parts Windshield Wiper Motor makes sure your wipers move right.

It’s the GM-recommended replacement for your vehicle. Built to match factory specs with perfect fit.

Count on quality, reliability, and durability. Trust the OE standard. Drive with confidence every time.

Pros	Cons
Keeps your windshield clean with reliable wiper operation. GM-recommended part for perfect fit and function. Built to GM’s high standards for durability. Easy replacement for your original factory component.	High cost Requires specialist installation Limited warranty period

Perfect For:

This windshield wiper motor is perfect for GM vehicle owners who want a reliable replacement part. It’s made to fit GM cars and works just like the original.

Ready to Purchase?

View Price on Amazon (paid link)

5. GM Genuine Parts 23345963 High Frequency Antenna

Strong signal. Clear sound. Reliable connection.

Built with durable materials, this antenna stands up to harsh weather and even car washes. It keeps your GM vehicle performing at its best.

Designed to GM OE specs, it delivers perfect fit, form, and function. Expect the quality, reliability, and durability trusted by GM.

Pros	Cons
Strong signal for clear reception Durable build resists harsh weather GM-recommended for perfect fit Reliable quality backed by GM OE Precision-made for form and function	Price may be higher than generic options. Limited to GM vehicles, not universal. Installation might require professional help.

Perfect For:

This GM Genuine Parts High Frequency Antenna is perfect for GM vehicle owners who want clear, strong signals and reliable performance. It’s built tough to handle harsh weather and car washes, making it ideal for daily drivers.

Ready to Purchase?

View Price on Amazon (paid link)

6. GM Genuine Parts 87863488 Front Half-Shaft Assembly

The GM Genuine Parts 87863488 Front Half-Shaft Assembly is built to keep your vehicle moving with confidence. It helps transfer torque from the transmission or differential straight to the wheels. That means smooth, reliable power every time you drive.

It fits your Chevrolet, Buick, GMC, or Cadillac. It’s tested to rigorous standards. It’s backed by General Motors.

GM engineers design and validate every OE part for perfect fit and performance. Plus, GM updates designs with new materials and technologies to keep your ride strong. This is the part your vehicle was meant to have.

Pros	Cons
Transfers torque smoothly to your wheels Engineered and tested by GM experts Validated OE parts for Chevrolet, Buick, GMC, Cadillac Updated designs with new materials and tech Backed by GM for trusted performance	Limited to specific GM vehicles, not universal. Higher cost compared to aftermarket options. No DIY-friendly installation, professional help may be needed.

Perfect For:

This front half-shaft assembly is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want reliable, high-quality parts. It’s designed by GM engineers to fit your vehicle perfectly and keep it running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

7. GM Genuine Parts 15-74254 (22877649) Temperature Mode Valve Actuator Assembly

Fix your car’s climate control with the GM Genuine Parts 15-74254 Temperature Mode Valve Actuator Assembly. It stops leaks in your vacuum actuator. This part restores HVAC functions fast.

This is a GM-recommended replacement. It fits your GM vehicle just like the original. Trust the quality and reliability of GM OE parts.

Made to GM OE specs, it ensures perfect fit and function. Enjoy durability that lasts, just like the factory part.

Pros	Cons
Fixes HVAC issues caused by leaking vacuum actuator. GM-recommended replacement for original factory parts. Quality, reliability, durability like GM OE. Manufactured to GM OE specs for perfect fit.	Not universal — fits GM vehicles only Installation may require professional help Higher price than generic aftermarket parts

Perfect For:

This GM Genuine Parts Temperature Mode Valve Actuator Assembly is perfect for anyone with a GM vehicle needing to fix their HVAC system. It’s easy to install and works like the original part, so you can get your car’s heating and cooling back to normal.

Ready to Purchase?

View Price on Amazon (paid link)

8. GM Genuine Parts 25780186 Parking Brake Control Module Assembly

GM Genuine Parts 25780186 is a parking brake control module assembly designed for your GM vehicle. It’s a GM-recommended replacement part, ensuring a perfect fit and reliable performance.

This part is manufactured to GM’s original specifications, offering the same quality, reliability, and durability as your vehicle’s factory component. It’s vehicle-specific, so it fits seamlessly.

Programming and special setup are required for this part. GM Service Information provides the necessary procedures. For proper installation, contact a GM Dealer or ACDelco Service Center.

Pros	Cons
GM-recommended part for perfect fit and function. Reliable and durable like the original factory component. Vehicle-specific design ensures seamless performance. Backed by GM for quality and peace of mind.	Requires programming for setup, not plug-and-play Dealer visit needed for proper installation Vehicle-specific fit, limits use on other models

Perfect For:

This GM Genuine Parts Parking Brake Control Module Assembly is perfect for GM vehicle owners who need a reliable replacement part. It’s designed to fit your specific GM model and works just like the original.

Ready to Purchase?

View Price on Amazon (paid link)

9. GM Genuine Parts 13546587 Rear Driver Side Door Latch

GM Genuine Parts 13546587 is a rear driver side door latch designed to keep your vehicle’s door securely closed. It ensures safety and peace of mind while driving. This part is engineered for reliability.

Formerly known as ACDelco GM Original Equipment (OE), this latch meets rigorous standards. GM engineers design and test it specifically for Chevrolet, Buick, GMC, and Cadillac vehicles. It’s a trusted choice for your car.

The latch integrates new materials and technologies, thanks to GM’s regular updates. It’s backed by General Motors, ensuring quality and performance.

Pros	Cons
Keeps doors secure until you open them Built to GM standards for lasting quality Engineered by GM experts for perfect fit Updated designs with new tech and materials	Limited to specific GM vehicles, not universal. No installation tools or instructions included. Higher cost compared to aftermarket alternatives.

Perfect For:

This part is perfect for drivers who want peace of mind knowing their door stays securely closed until they open it. It’s made for anyone who values trusted GM quality built exactly for their Chevrolet, Buick, GMC, or Cadillac.

Ready to Purchase?

View Price on Amazon (paid link)

10. GM Genuine Parts 12630859 Intake Manifold Assembly

This intake manifold assembly is built for precision. It distributes air evenly to each cylinder. It keeps your engine running smooth and strong.

It’s a GM-recommended replacement part. That means it matches your vehicle’s original factory component.

You get quality, reliability, and durability. Plus, it’s made to GM OE specs for perfect fit and function.

Pros	Cons
GM-recommended part for perfect fit and function. Evenly distributes air or mixture for smooth engine performance. Built to GM OE specs for quality and durability. Reliable replacement for your GM vehicle’s original part.	Not universal, only fits specific GM vehicles. Higher cost compared to aftermarket alternatives. Requires professional installation, not DIY-friendly.

Perfect For:

This intake manifold assembly is perfect for GM vehicle owners who want a reliable replacement part. It’s made to fit your GM car or truck and works just like the original factory part.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Buying the best GM OE assemblies is simple. They give your car the right fit. They keep your drive smooth and safe.

Fit and Compatibility: Always choose parts that are vehicle-specific. GM OE assemblies are designed to match your car’s original factory components. This ensures a perfect fit every time.
Quality and Reliability: Look for parts that meet rigorous GM standards. These assemblies are tested by GM engineers for durability. You can trust them to last.
Performance: GM OE assemblies are built to keep your car running at its best. From radiators to suspension struts, they deliver smooth performance. That means more confidence on the road.
Materials and Technology: GM regularly updates designs with new materials and technologies. This ensures parts are stronger and more efficient. You get modern upgrades with every replacement.
Backed by GM: Every GM Genuine Part is supported by General Motors. This gives you peace of mind. You know the part is authentic and trusted.
Safety: Parts like door latches and brake modules are made to keep you secure. Choosing GM OE assemblies means your car’s safety systems work as intended.
Ease of Installation: Many assemblies are designed for direct replacement. This makes installation faster and simpler. Some may need programming, so check GM service info before installing.
Longevity: With corrosion-resistant materials and precise engineering, these parts are built to last. You save money in the long run by avoiding frequent replacements.
Confidence in Driving: When every part matches GM’s fit, form, and function, you drive with confidence. Your car feels like new again.