AULINK AW6738 Water Pump 251-821 for Chevy/GMC/Cadillac (2014–2020)
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Description
xOverview
The AULINK AW6738 water pump 251-821 is designed as a reliable replacement that aligns with factory specifications for a broad group of GM vehicles. Built with durable materials and precise tolerances, this pump supports steady cooling during daily driving and longer trips alike.
Where it fits
This pump covers models across Cadillac, Chevrolet, GMC, and related platforms from 2014 through 2020. Notable applications include Cadillac CTS (2016–2017), Escalade ESV (2015–2020) with V8 6.2L, Camaro (2014–2020) V8, Silverado 1500 (2014–2020) with 4.3L V6 or 5.3L/6.2L V8, 2019 Silverado 1500 LD with 5.3L, Suburban (2015–2020) and Tahoe (2015–2020) with V8, and GMC Sierra/Yukon lines through 2020 with 4.3L–6.2L. OEM references such as AW6738 and 251-821 help with accurate part matching.
Key benefits you may notice
- Durable bearings and surfaces built to handle load and momentum in the cooling circuit
- Solid housing designed for long life and reliable performance under regular highway use
- Direct-fit design intended for straightforward installation with minimal modifications
- 100% function and leakage testing completed in a TS16949 certified facility
Quality and warranty
- Strict quality control to ensure compatibility and reliability across listed GM platforms
- 1 year or 50,000 km warranty for coverage and peace of mind
- OEM part numbers and reference codes provided for accurate part matching
Whether you are performing routine maintenance or replacing a failing pump after a cooling system symptom, the AW6738 model presents a balanced mix of value and confidence. It may contribute to steady cooling system operation and dependable engine temperature management, depending on your vehicle configuration and condition. Consider this option if you want a robust, direct replacement that aligns with factory specs while supporting long term wear resistance.
FAQ
Q: Is the AW6738 compatible with my GM vehicle?
A: Yes. The AW6738 fits a broad range of GM cars and SUVs from 2014–2020 with V6 and V8 engines.
Q: What about warranty and testing?
A: It undergoes 100% function and leakage testing in TS16949-certified facilities, with a 1-year or 50,000 km warranty.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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