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🔥 Stay Cool, Drive Confidently with GM Genuine Parts Radiator ⚙️
The GM Genuine Parts 21649 Radiator is a lightweight, corrosion-resistant aluminum radiator engineered to meet GM's original equipment specifications. It ensures optimal heat dissipation, durability, and a perfect fit for GM vehicles, backed by a limited lifetime warranty and trusted by professionals for reliable, long-lasting performance.





| ASIN | B000C9K45U |
| Best Sellers Rank | #844,076 in Automotive ( See Top 100 in Automotive ) #3,423 in Automotive Replacement Engine Radiators |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Cooler Heatsink Material | Aluminum |
| Customer Reviews | 4.6 out of 5 stars 126 Reviews |
| Global Trade Identification Number | 00036666394900, 00707773890219 |
| Included Components | Radiator |
| Item Type Name | Radiator |
| Item Weight | 15.4 Pounds |
| Manufacturer | ACDelco |
| Model | 21649 |
| Mounting Type | Chassis Mount |
| Part Number | 21649 |
| UPC | 707773890219 036666394900 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime as long as original purchaser owns vehicle. (Parts Only) |
W**O
EOM
It fit perfectly for 2013 Cadillac Escalade. Easy install
B**L
good quality
good quality, easy to install, the right size as advertised, no leaks, functionable, great value for money, cools transmission temps down as expected, last a long time, basically just like the oem unit
G**.
Great item!!
Fit well and was a great item Would buy again for other cars I own
M**I
GM OEM radiator works great for past year
This worked great in my '06 2500 Silverado. OEM standard and great packaging.
E**.
Exact replacement O.E.M. fit
Great product exact replacement for my original radiator fit like a glove. Only dislike is the way it's packaged. The box was ripped on one end and some of the fins in the center were bent over completely flat but did not leak. Took a half hour to carefully bend them straight with a small screwdriver.
E**G
Oem
Original quality. Tried aluminum 3row. This worked better.
P**.
Exact replacement for 2013 Escalade ESV Platinum
Exact replacement for my 2013 Escalade ESV Platinum. Original one held up 12 years and 155,000 miles so I think this one will last long after I am done with this SUV
D**.
Oem fit and function
Radiator fit perfect (03 1500hd). No petcock but it's just as easy to pop off the bottom hose to drain the radiator if need be. Also, a petcock is one less place to leak. Radiator was double-boxed and packed securely. Price was way less (<$200) than local part stores for cheap aftermarket units.
Trustpilot
5 days ago
1 month ago