2017-2025 Duramax L5P ACDelco Thermostat Housing Gasket (12643149)
Genuine ACDelco OE replacement thermostat housing gasket, GM part number 12643149. A direct factory replacement for the applications listed above.
- Genuine ACDelco OE replacement thermostat housing gasket.
- GM part number 12643149.
- Direct factory replacement for a proper fit.
- Heat-resistant seal prevents coolant leaks at the housing.
- Ideal to replace whenever the thermostat or housing is serviced.
GM Duramax
- 2017-2019 Chevrolet / GMC 6.6L Duramax
- 2020-2025 Chevrolet / GMC 6.6L Duramax
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Order Processing Time:
Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
Shipping Methods:
Standard Shipping (3-7 business days - location dependent)
Express Shipping (1-2 business days- location dependent)
Packaging:
All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
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USA Shipping:
We ship to the USA! (Except California) Please note that USA shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
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