Looking for the best GM OE replacement parts? We’ve got you covered with top-quality, reliable options designed to fit perfectly and keep your vehicle running smoothly.
Looking for the best GM OE replacement parts? You’re in the right place. We’ve got you covered with top-quality, reliable options for your GM vehicle.
GM Genuine Parts are designed to fit perfectly and work like the originals. They meet GM’s high standards for quality and performance.
Easy installation, durability, and long-lasting results make these parts a smart choice. Trust them to keep your vehicle running smoothly.
List of Top 10 GM OE Replacement Parts
| Image | Title | Best For | Price |
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GM Genuine Parts 15-11057 (12600172) Engine Coolant Thermostat Water Inlet Assembly |
This GM Genuine Parts Engine Coolant Thermostat Water Inlet Assembly is perfect for anyone who needs to fix a leaking thermostat housing or stop their engine from overheating. It’s a reliable, GM-recommended replacement that fits just like the original part. |
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GM Genuine Parts 13500114 Multi-Purpose Relay |
This GM Genuine Parts Multi-Purpose Relay is perfect for GM vehicle owners who want a reliable replacement part. It’s designed to fit and work just like the original, so it’s ideal for anyone looking for quality and durability. |
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GM Genuine Parts 84234372 Tail Light Wiring Harness |
This tail light wiring harness is perfect for GM vehicle owners who want a reliable and durable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their GM vehicle in top shape. |
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GM Genuine Parts 23295978 Driver Side Tail Lamp Wiring Harness |
This GM Genuine Parts 23295978 Driver Side Tail Lamp Wiring Harness is perfect for GM vehicle owners who want a reliable and durable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to fix their tail lamp wiring with confidence. |
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GM Genuine Parts 15-51379 (95369809) Air Conditioning Evaporator Air Temperature Sensor |
This GM Genuine Parts Air Conditioning Evaporator Air Temperature Sensor is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want reliable, safe, and updated parts for their vehicle. It’s designed by GM engineers to work seamlessly with your car’s safety systems. |
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GM Genuine Parts 20840283 Driver Side Tail Lamp Wiring Harness |
This GM Genuine Parts 20840283 Driver Side Tail Lamp Wiring Harness is perfect for anyone needing a reliable replacement for their GM vehicle. It’s easy to install and built to last, making it ideal for drivers who want quality and durability. |
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GM Genuine Parts 12703898 Engine Water Pump |
This GM Genuine Parts Engine Water Pump is perfect for GM vehicle owners who want a reliable, durable replacement part. It’s made to fit your GM car perfectly and works just like the original. |
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GM Genuine Parts AFS105 (19178918) Heated Oxygen Sensor |
This GM Genuine Parts AFS105 Heated Oxygen Sensor is perfect for GM vehicle owners who want to keep their car running smoothly. It’s ideal for those looking to improve fuel economy and reduce emissions with a reliable, GM-recommended replacement part. |
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ACDelco GM Original Equipment Cabin Air Filter CF184 | GM 13356914 OE Car Air Filters for Select Chevy, Chevrolet, Cadillac, Buick, GMC, Hummer, and more |
This ACDelco GM Original Equipment Cabin Air Filter is perfect for car owners who want clean, fresh air in their vehicle. It’s designed for select Chevy, Chevrolet, Cadillac, Buick, GMC, and Hummer models, making it a great fit for GM drivers. |
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GM Genuine Parts 12473050 Clutch Master Cylinder Push Rod Bushing |
This GM Genuine Parts Clutch Master Cylinder Push Rod Bushing is perfect for car owners who want reliable, high-quality parts for their Chevrolet, Buick, GMC, or Cadillac. It’s designed by GM engineers to fit your vehicle perfectly. |
Detailed Reviews
Discover the top 10 GM OE Replacement Parts handpicked for reliability and performance. Each part is expert-approved and backed by customer trust, ensuring your vehicle runs smoothly. Dive in to find the perfect fit for your GM car today!
1. GM Genuine Parts 15-11057 (12600172) Engine Coolant Thermostat Water Inlet Assembly

The GM Genuine Parts 15-11057 is a reliable solution for leaking thermostat housings. It repairs leaks and prevents engine damage. This part is GM-recommended for your vehicle.
It fixes overheating issues caused by failed thermostats. The steel thermostat ensures durability and long-lasting performance. It meets GM’s high standards for quality.
This replacement part is manufactured to fit your GM vehicle perfectly. It offers the same reliability as the original factory component.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Engine Coolant Thermostat Water Inlet Assembly is perfect for anyone who needs to fix a leaking thermostat housing or stop their engine from overheating. It’s a reliable, GM-recommended replacement that fits just like the original part.
Ready to Purchase?
2. GM Genuine Parts 13500114 Multi-Purpose Relay

GM Genuine Parts 13500114 Multi-Purpose Relay is a GM-recommended replacement part. It fits your GM vehicle perfectly. It works just like the original factory component.
This relay offers quality, reliability, and durability. It meets GM OE standards. You get a part that is built to last.
All products are designed for professionals. They ensure easy installation and dependable performance. Trust this relay for your GM vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Multi-Purpose Relay is perfect for GM vehicle owners who want a reliable replacement part. It’s designed to fit and work just like the original, so it’s ideal for anyone looking for quality and durability.
Ready to Purchase?
3. GM Genuine Parts 84234372 Tail Light Wiring Harness

The GM Genuine Parts 84234372 Tail Light Wiring Harness is a reliable replacement for your GM vehicle. It’s built tough to handle rough conditions, vibrations, and moisture.
This harness has color-coded wires for easy installation. It’s GM-recommended and meets OE standards for fit and function.
| Pros | Cons |
|---|---|
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Perfect For:
This tail light wiring harness is perfect for GM vehicle owners who want a reliable and durable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their GM vehicle in top shape.
Ready to Purchase?
4. GM Genuine Parts 23295978 Driver Side Tail Lamp Wiring Harness

The GM Genuine Parts 23295978 Driver Side Tail Lamp Wiring Harness is a reliable replacement for your GM vehicle. It’s built to last and works just like the original part.
This harness has durable outer coverings to protect against tough conditions. The wires are color-coded for easy installation.
It’s made to GM’s high standards, ensuring a perfect fit and great performance. Trust this part for quality and durability.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts 23295978 Driver Side Tail Lamp Wiring Harness is perfect for GM vehicle owners who want a reliable and durable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to fix their tail lamp wiring with confidence.
Ready to Purchase?
5. GM Genuine Parts 15-51379 (95369809) Air Conditioning Evaporator Air Temperature Sensor

The GM Genuine Parts 15-51379 is a reliable air conditioning evaporator air temperature sensor. It’s designed specifically for Chevrolet, Buick, GMC, and Cadillac vehicles.
GM Engineers create and test these parts for your car. They work safely with your vehicle’s systems.
Using original equipment parts ensures your car runs smoothly. GM updates designs often to include new materials and technologies.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Air Conditioning Evaporator Air Temperature Sensor is perfect for Chevrolet, Buick, GMC, or Cadillac owners who want reliable, safe, and updated parts for their vehicle. It’s designed by GM engineers to work seamlessly with your car’s safety systems.
Ready to Purchase?
6. GM Genuine Parts 20840283 Driver Side Tail Lamp Wiring Harness

The GM Genuine Parts 20840283 Driver Side Tail Lamp Wiring Harness is a reliable replacement for your GM vehicle. It is designed to fit perfectly, just like the original part. This harness ensures your tail lamp works safely and efficiently.
Its durable outer covering protects against tough conditions, vibration, and moisture. The color-coded wires make installation quick and easy. You can trust this part to last long and perform well.
This harness meets GM’s high standards for quality and function. It is a recommended choice for your vehicle’s needs.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts 20840283 Driver Side Tail Lamp Wiring Harness is perfect for anyone needing a reliable replacement for their GM vehicle. It’s easy to install and built to last, making it ideal for drivers who want quality and durability.
Ready to Purchase?
7. GM Genuine Parts 12703898 Engine Water Pump

The GM Genuine Parts 12703898 Engine Water Pump is a reliable and durable choice for your GM vehicle. It is thoroughly tested to ensure leak-resistant performance. This pump is designed to fit perfectly and work efficiently.
It features uniform wall sections and smooth coolant-flow cavities, ensuring efficient operation. The coated seals with a stainless steel spring add to its durability.
This GM-recommended replacement part offers the quality and reliability of GM OE. With ACDelco’s manufacturing experience, you can trust this pump to perform well and last long.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Engine Water Pump is perfect for GM vehicle owners who want a reliable, durable replacement part. It’s made to fit your GM car perfectly and works just like the original.
Ready to Purchase?
8. GM Genuine Parts AFS105 (19178918) Heated Oxygen Sensor

The GM Genuine Parts AFS105 Heated Oxygen Sensor is a must-have replacement for your GM vehicle. It detects oxygen in exhaust gases, helping your car run better. This part is GM-recommended, so you know it fits right.
This sensor is built to last, just like the original factory part. It meets GM’s high standards for quality and performance. You can trust it to optimize emissions and improve fuel economy.
With this sensor, your car will run smoothly and efficiently. It’s a reliable choice for keeping your vehicle in top shape.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts AFS105 Heated Oxygen Sensor is perfect for GM vehicle owners who want to keep their car running smoothly. It’s ideal for those looking to improve fuel economy and reduce emissions with a reliable, GM-recommended replacement part.
Ready to Purchase?
9. ACDelco GM Original Equipment Cabin Air Filter CF184 | GM 13356914 OE Car Air Filters for Select Chevy, Chevrolet, Cadillac, Buick, GMC, Hummer, and more

The ACDelco GM Original Equipment Cabin Air Filter CF184 keeps your car’s air clean. It captures particles while boosting airflow. This filter fits Chevy, Cadillac, Buick, GMC, Hummer, and more.
GM Engineers design these filters for your specific vehicle. They use updated materials and tested technology for top performance.
| Pros | Cons |
|---|---|
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Perfect For:
This ACDelco GM Original Equipment Cabin Air Filter is perfect for car owners who want clean, fresh air in their vehicle. It’s designed for select Chevy, Chevrolet, Cadillac, Buick, GMC, and Hummer models, making it a great fit for GM drivers.
Ready to Purchase?
10. GM Genuine Parts 12473050 Clutch Master Cylinder Push Rod Bushing

The GM Genuine Parts 12473050 Clutch Master Cylinder Push Rod Bushing is a reliable replacement part for your vehicle. It’s designed by GM engineers to fit perfectly in your Chevrolet, Buick, GMC, or Cadillac.
This part meets strict quality standards and is backed by General Motors. It may have previously been known as an ACDelco GM Original Equipment (OE) part.
Easy to install, durable, and updated with the latest materials. Trust this part for smooth clutch performance.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Clutch Master Cylinder Push Rod Bushing is perfect for car owners who want reliable, high-quality parts for their Chevrolet, Buick, GMC, or Cadillac. It’s designed by GM engineers to fit your vehicle perfectly.
Ready to Purchase?
Buying Guide
Looking for GM OE replacement parts? We’ve got you covered. Find top-quality, reliable options for your GM vehicle here.
Choosing the right GM OE replacement parts ensures your vehicle runs smoothly and safely. These parts are designed to fit perfectly and work like the originals. Trust them to keep your car in top shape.
Factors to Consider When Buying GM OE Replacement Parts:
- Compatibility: Make sure the part fits your specific GM vehicle model and year. Check the part number to avoid mistakes.
- Quality: Look for parts that meet GM’s high standards. Genuine GM parts are built to last and perform well.
- Durability: Choose parts made with strong materials. They should handle tough conditions, vibrations, and moisture.
- Ease of Installation: Pick parts with clear instructions or color-coded wires. This makes installation quick and simple.
- Reliability: Trust GM-recommended parts. They work just like the original factory components.
- Performance: Ensure the part fixes the issue and improves your vehicle’s performance. Look for tested and proven options.
- Warranty: Check if the part comes with a warranty. This adds extra peace of mind.
With these factors in mind, you’ll find the best GM OE replacement parts for your vehicle.