GM 12638261 Engine Flywheel Washer Duramax 97226130 6.6L

( Brand: Gm ), ( Manufacturer Part Number: 12638261 ), ( Type: Flywheel Washer ), ( Ipn: 97226130 ), ( Fitment Type: Direct Replacement )

Review GM New Oem Engine Flywheel Washer Chevy Gmc 6.6l Duramax fits 2001–2022

Introducing the GM 12638261 Engine Flywheel Washer, specifically designed for use with Chevrolet and GMC vehicles equipped with the 6.6L Duramax engine from the model years 2001 to 2022. This essential component is a crucial part of the engine's cooling system, ensuring optimal performance and longevity.

The engine flywheel washer is a flat, circular gasket made of high-temperature, pressure-resistant material. Its primary function is to seal the connection between the engine flywheel and the clutch assembly. This sealing ensures that coolant flows properly between the engine and transmission, preventing overheating and potential damage to these critical components.

This GM part boasts a robust design, with a diameter of approximately 11 inches (27.94 cm) and a thickness of about 0.125 inches (0.3175 cm). Its precise dimensions and meticulously engineered construction ensure a perfect fit and reliable sealing, even under the most demanding driving conditions.

The GM 12638261 Engine Flywheel Washer is manufactured using advanced materials and production techniques to provide superior durability and resistance to wear and tear. Its high-quality construction ensures that it will withstand the extreme temperatures and pressures experienced within the engine compartment, maintaining its sealing ability and protecting your vehicle from potential engine damage.

Installing the engine flywheel washer is a straightforward process, typically requiring only basic hand tools. The old washer is removed, and the new one is carefully positioned and secured in place using a combination of bolts and clamps. Proper installation is essential to ensure the washer's effectiveness and longevity.

In summary, the GM 12638261 Engine Flywheel Washer is an essential component for maintaining the cooling system and overall performance of your Chevrolet or GMC 6.6L Duramax engine from the 2001 to 2022 model years. Its robust design, high-quality materials, and precise fit make it a reliable and effective solution for sealing the connection between the engine flywheel and clutch assembly.

Pros and Cons of Buying a GM 12638261 Engine Flywheel Washer for Chevy GMC 6.6L Duramax (2001-2022)

The GM 12638261 engine flywheel washer is a crucial component for maintaining the performance and longevity of the 6.6L Duramax engines in Chevy and GMC vehicles from 2001 to 2022. This component ensures proper cooling and lubrication of the engine flywheel, which can help prevent costly repairs. In this article, we will discuss the pros and cons of buying this part.

1. Improved Engine Performance: A worn-out engine flywheel washer can cause poor engine performance, including rough idling, vibration, and hard starting. Replacing the washer with a new one can help improve the engine's performance and make it run more smoothly.

2. Preventing Costly Repairs: A damaged engine flywheel washer can lead to more significant problems, such as engine damage, transmission damage, or even total engine failure. By replacing the washer proactively, you can save money in the long run by preventing these costly repairs.

3. Easy Installation: The engine flywheel washer is a relatively simple component to replace, and most mechanics or DIY enthusiasts can do it in under an hour. This makes it a cost-effective and time-efficient repair.

4. OEM Quality: The GM 12638261 engine flywheel washer is a genuine Original Equipment Manufacturer (OEM) part, meaning it is designed and manufactured by General Motors to meet their exact specifications. This ensures a proper fit, function, and durability.

1. Cost: The GM 12638261 engine flywheel washer can be a costly replacement, especially when compared to aftermarket alternatives. However, the cost is justified by the OEM quality and the potential savings from preventing more significant repairs.

2. Availability: Depending on your location, finding a GM dealership or an auto parts store that carries this specific part may be challenging. In some cases, you may need to order it online, which could delay the repair process.

3. DIY Installation Risks: If you choose to install the engine flywheel washer yourself, there is a risk of damaging the engine or transmission if the installation is not done correctly. It is recommended to have a professional mechanic perform the installation to minimize the risk of damage.

In conclusion, the GM 12638261 engine flywheel washer is an essential component for maintaining the performance and longevity of the Chevy GMC 6.6L Duramax engines from 2001 to 2022. Although it comes with a cost, the benefits, such as improved engine performance, preventive maintenance, and OEM quality, outweigh the cons. If you are experiencing engine performance issues or want to prevent potential repairs, consider investing in a new engine flywheel washer.

If you decide to replace your engine flywheel washer with the GM 12638261 part, it is recommended to have a professional mechanic perform the installation to ensure proper fitment and function. Additionally, consider checking other related components, such as the oil cooler and transmission cooler, to ensure they are functioning correctly and prevent potential future issues.

Details:

Please the link to ensure proper fitment. You get what you see. Is this the correct part.

Grand Tex Part Number: 12638261. LOOK at the existing part you are replacing and compare to picture above. Made to fit, Built Last. This product has been designed with original part specifications and will offer reliable, long lasting performance.

GM Original Equipment offerings are the guaranteed original part for vehicles that meets or exceeds OE specifications. About the manufacturer. Each product classification has its own benefits, and each been engineered tested to meet AcDelco high standards. FIND the make, model, year, and trim if applicable to ensure a match.

These products are designed to meet a specific need for narrow audience, such as our Performance brake products, which rotors and friction police vehicles. NEW OEM GM Engine Flywheel Washer 12638261 Chevy GMC 6.6L Duramax 2001 -2022. However, we must be advised of any faulty or damaged goods immediately upon receipt the item. Fitment information may not be available for all products and those without fitment will have a link at the top.

part #: 12638261 prices

• $15.35-$21.10

specifications flwheflepla:

• for makes: Chevy, Gmc
• for years: 2001-2022
• brand: Gm
• mpn: 12638261
• type: Flywheel Washer
• ipn: 97226130
• fitment type: Direct Replacement

returns flwheflepla:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

offer flwheflepla:

• best offers: True
• quantity: 3
• started: November 14, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home

shipping flwheflepla:

• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery, FedEx Priority Overnight
• cost: $0.00
• carrier: USPS, FedEx
• type: Calculated
• transit: 5-11 Days
• class: Standard, Expedited, One-day

general flwheflepla:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Flywheels Flexplates

seller flwheflepla:

• # reviews: 111423
• city: Houston, Texas
• rating: 99.7%

payments flwheflepla:

• other
• credit card: Diners-club
• wallet: Google-pay

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