
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
For Your Every Summer RSVP, with Code: SUMMER15
Description
GM Engine Coolant Thermostat Kit 14-20 12674639 Mounting HardwareThe GM 12674639 Water Pump Outlet Assembly with Thermostat is designed for vehicles such as the Cadillac Escalade Chevrolet Silverado Suburban Tahoe and GMC Sierra 1500. Engineered to rigorous General Motors standards it includes a gasket housing and thermostat ensuring optimal performance and reliability for 5. 3L engines. This assembly improves engine cooling efficiency and is critical for maintaining proper engine temperature. All parts
The GM 12674639 Water Pump Outlet Assembly with Thermostat is designed for vehicles such as the Cadillac Escalade Chevrolet Silverado Suburban Tahoe and GMC Sierra 1500. Engineered to rigorous General Motors standards it includes a gasket housing and thermostat ensuring optimal performance and reliability for 5.3L engines. This assembly improves engine cooling efficiency and is critical for maintaining proper engine temperature.Part Number: 12674639
Manufacturer: GM
Weight: 1.0000 lbs
Additional Details:
Genuine OEM Parts
Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.
Shipping:
If shipping outside the contiguous 48 states is required, reach out to [email protected] to confirm shipping details.
About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
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Product Reviews
★★★★★ 5
Great buy
Color: Champagne, Size: 6 Years
I bought 3 sizes for my sons to wear at our wedding. They are heavy duty quality material. The dress shirts are a little stiff and snug but also great quality. Would buy again 100%
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Perfect fit!
Color: Lavender Purple, Size: 12 Years, Color: Lavender Purple, Size: 12 Years
It’s perfect! Just get it, like now!!!
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Great outfit
Color: Mint Green, Size: 8 Years, Color: Mint Green, Size: 8 Years
Got the outfit as shown in picture and my son was so good looking in this suit. We just love it. I bought it for his birthday and he was so handsome in this suit. Thank you for such a cool suit.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Nice color
Color: Royal Blue, Size: 16 Years
Value for the money all five pcs included
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Reviewed in the United States on April 6, 2026
★★★★★ 4
Boys Navy suit
Color: Navy Blue, Size: 6 Years
Boys navy suit
Fits well.
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Reviewed in the United States on December 30, 2025