Features & Benefits
- OE parts installed or validated by General Motors for GM vehicles
- Formerly known as ACDelco GM Original Equipment (OE)
- Designed and validated specifically for Chevrolet, Buick, GMC, or Cadillac vehicles
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- GM Genuine Parts 12686433 Oil Pump
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Item #:
50393358
GM Genuine Parts 12686433 Oil Pump
88% of respondents would recommend this to a friend
Item #:
50393358
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What Stands Out
High Durability
Manufactured to meet GM standards, ensuring longevity and reliable performance in various driving conditions, reducing the frequency of oil pump replacements.
Perfect Fit
Designed specifically for GM vehicles, this oil pump guarantees an accurate fit, optimizing engine efficiency and minimizing installation complications.
Enhanced Performance
Improves oil circulation and pressure, leading to better engine protection and performance, extending engine life and enhancing overall driving experience.
Product Details
- Designed, engineered, and tested to rigorous standards
- Backed by General Motors for reliability and performance
- Specifically designed for Chevrolet, Buick, GMC, and Cadillac vehicles
- Regularly updated with new materials and technologies
- Formerly known as ACDelco GM Original Equipment (OE)
- Guaranteed quality and compatibility for your vehicle
| Fit Type | Vehicle Specific Fit |
| Compatible with Vehicle Type | Car |
| Auto Part Position | Center |
| Outlet Connection Type | Barb |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Equivalent Part Number | 12656102 , 12686433 , 12677143 , 12673984 , 12666737 , 12665356 , 12661761 , 12661206 , 12659938 , 12657346 |
| Item Dimensions | 12.62 x 11.38 x 9 inches (32.1 x 28.9 x 22.9 cm) |
| Item Weight | 6.9 pounds (3.13 kg) |
| Material Type | Metal |
| Body Material | Metal |
| Specification Met | OEM |
| Brand Name | GM GENUINE PARTS |
| Manufacturer Part Number | 12686433 |
| Unit Count | 1 Count |
| Manufacturer | GM Genuine Parts |
| Number of Packs | 1 |
| UPC | 195491146464 |
| Number of Items | 1 |
| Included Components | Engine Oil Pump |
| Item Type Name | Int-Cams,Rods,Shfs,Pstns&Tmg,Int-Cams,Rods,Shfs,Pstns&Tmg |
| Model Number | 12686433 |
| Brand | GM GENUINE PARTS |
| Vehicle Service Type | Car |
| Item dimensions L x W x H | 12.62 x 11.38 x 9 inches (32.1 x 28.9 x 22.9 cm) |
| Material | Metal |
Who Should Buy?
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Vehicle Owners
Ideal for GM vehicle owners needing a reliable oil pump replacement to ensure optimal engine performance.
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Mechanics
A great choice for mechanics looking for OEM parts to maintain or repair GM vehicles effectively.
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DIY Enthusiasts
Perfect for DIYers who prefer using genuine parts for their automotive repairs and upgrades.
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Non-GM Vehicles
Not suitable for vehicles outside the GM brand, as compatibility is limited to certain GM models.
Product Description
GM Genuine Parts 12686433 Oil Pump
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the GM Genuine Parts 12686433 Oil Pump specifically designed for?
Answer: The GM Genuine Parts 12686433 Oil Pump is specifically designed for various Chevrolet and GMC vehicles. It is crafted to meet the exact specifications of top-performing engines, ensuring optimal oil circulation that is vital for engine longevity. Utilizing high-quality materials and precision engineering, this oil pump effectively prevents engine wear by maintaining proper oil pressure and flow while reducing the chances of oil sludge buildup, thus enhancing overall performance. -
Question:
How do I know if I need to replace my oil pump?
Answer: You may need to replace your oil pump if you notice symptoms like low oil pressure readings, engine noises, or oil leaks. Additionally, if your vehicle experiences overheating or displays a check engine light, it's crucial to inspect the oil pump. A failing oil pump can lead to severe engine damage, as it is responsible for circulating oil throughout the engine components, ensuring proper lubrication and cooling. Regular maintenance checks can help identify these issues early. -
Question:
Can I install the GM Genuine Parts 12686433 Oil Pump myself?
Answer: While experienced mechanics can install the GM Genuine Parts 12686433 Oil Pump, it is recommended that installation be conducted by a professional. The process involves proper disassembly of engine components and ensuring correct alignment during reassembly, which is crucial for optimal functionality. However, for those with mechanical knowledge, detailed guides and service manuals can assist in the installation process, making it a potential DIY project. -
Question:
What makes GM Genuine Parts better than aftermarket options?
Answer: GM Genuine Parts, like the 12686433 Oil Pump, are designed specifically for GM vehicles, ensuring compatibility and reliability. These parts undergo rigorous testing and adhere to strict quality standards set by General Motors. Aftermarket parts may vary in quality and performance, sometimes resulting in compromised engine health. Choosing GM Genuine Parts ensures that you are getting the same high-quality components that your vehicle was originally designed with, leading to optimal performance. -
Question:
What is the expected lifespan of an oil pump?
Answer: The lifespan of an oil pump can vary significantly based on driving conditions and maintenance practices, but generally, it can last anywhere from 80,000 to 100,000 miles. Factors contributing to its longevity include consistent oil changes, quality of oil used, and overall engine health. Regularly monitoring oil pressure and performing scheduled oil changes can help prolong the oil pump's life and maintain engine performance, making it essential to keep a close eye on these elements. -
Question:
What are the signs of a failing GM Genuine Parts Oil Pump?
Answer: Signs of a failing oil pump include fluctuating oil pressure, loud noises emanating from the engine (such as tapping or knocking), engine overheating, and oil leaks. If you experience any of these symptoms, it's critical to have your vehicle inspected promptly to prevent potential engine damage. Recognizing these signs early can prevent costly repairs and keep your vehicle running smoothly, as an oil pump failure can drastically affect engine lubrication. -
Question:
Is the GM Genuine Parts 12686433 Oil Pump compatible with my vehicle?
Answer: Compatibility of the GM Genuine Parts 12686433 Oil Pump depends on the specific model and engine type of your vehicle. It is designed primarily for certain Chevrolet and GMC vehicles. To confirm compatibility, it's advisable to consult your vehicle's manual or verify the GM parts catalog. Ensuring the right fit will help maintain engine performance and reliability, providing peace of mind. -
Question:
What precautions should I take while replacing the oil pump?
Answer: When replacing the GM Genuine Parts 12686433 Oil Pump, ensure that you have the necessary tools and safety equipment. Disconnect the battery and drain the oil before beginning. It's also crucial to clean the installation area to prevent debris from entering the engine. After installation, monitor oil levels and pressure closely to confirm proper operation. These precautions can help avoid mistakes and enhance the effectiveness of your vehicle's engine lubrication system. -
Question:
Where can I buy GM Parts GM Genuine Parts 12686433 Oil Pump?
Answer: You can buy GM Parts GM Genuine Parts 12686433 Oil Pump at Ubuy in Sri Lanka. Ubuy provides a wide selection of GM parts, ensuring you receive genuine products that are tailored for your vehicle, along with the convenience of online shopping. By choosing Ubuy, you can compare options and make informed decisions about your vehicle's needs. -
Question:
How does a quality oil pump impact engine performance?
Answer: A quality oil pump, like the GM Genuine Parts 12686433, is crucial for maintaining adequate oil pressure and flow within the engine. This helps ensure that all moving parts receive the lubrication they require, preventing friction and wear. With proper lubrication, engines run more smoothly and efficiently, resulting in better fuel economy and overall performance. A functional oil pump also contributes to engine cooling by circulating oil, preventing overheating in critical components, thus enhancing the engine's lifespan.
GM GENUINE PARTS Oil Pumps 12686433 Editorial Review
GM Genuine Parts 12686433 Oil Pump is designed for vehicle-specific fits, ensuring optimal compatibility with a range of car models. Users have praised the straightforward installation process, emphasizing its OEM quality and precision. Many have reported that the oil pressure remains stable after installation, demonstrating the reliability of this genuine part. However, it's important to note that an O-ring is not included and needs to be ordered separately. Customers appreciate that the pump fits perfectly and operates effectively, solidifying its reputation among users looking for quality replacement parts.
Customer Reviews & Ratings
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Pros
- Vehicle-specific fit for precise installation
- OEM quality ensures long-lasting performance
- Stable oil pressure after installation
- Straightforward installation process praised by users
- Compatible with multiple GM models
Cons
- O-ring needs to be ordered separately for installation
Platform Trust & Buyer Confidence
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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