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This item is eligible for return within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 5 left in stock, order soon!
Arrives
Tuesday, Sep 9
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Features
- Lightweight; the radiators have a positive heat transfer to weight ratio
- Corrosion-resistant aluminum designed core helps optimize the radiators long lasting
- GM-recommended replacement part for your GM vehicles original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Manufacturer: ‎ACDelco
Brand: ‎GM
Model: ‎ACDelco - Radiator (Slp-P1) (20837)
Item Weight: ‎10.8 pounds
Product Dimensions: ‎39.5 x 19.4 x 7 inches
Country of Origin: ‎USA
Item model number: ‎20837
Manufacturer Part Number: ‎20837
OEM Part Number: ‎15120548
Date First Available: November 11, 2005
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Sep 9
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Good radiator, works as it should. Shipping was fast, but it took almost 10 days to prepare shipment after I ordered it.
Reviewed in the United States on July 3, 2022 by Philip Shanahan
This fit perfectly in a 2000 Blazer 4x4. It has both the engine oil cooler and transmission cooler built in. It doesn't have any way to install a petcock, which makes future coolant replacement a little messier. That's the reason for the 4 stars instead of 5. I also noticed the core itself was slightly thinner than the OEM radiator, but that doesn't seem to make a difference in cooling. It still runs cool even when it's in the mid-90s.
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Reviewed in the United States on September 16, 2021 by Amazon Customer
Drain Cock is molded in - but it is not functional. I recently purchased this radiator to replace the one in my 2002 Chevy S10 (V6). Appears to be an exact replacement EXCEPT the drain line (petcock) is molded in the lower passenger side - but it is not drilled out so you can not use the old petcock on the new radiator. At first I thought it was a manufacturing defect but I found a phone number of AC Delco (1-800-223-3526) and called them about it. They said they eliminated the petcock to save money because the new radiators in the new cars don't have on either In any case - this radiator worked out great. Don't panic when it comes time to pull the oil lines on each side. That is a 'quick' release fitting. You pull the plastic cap away from the fitting (slide it down the line) and you will then find a wire clip which needs to be removed with a 'pick" once the clip is out, the line pulls out. Several videos on youtube if your having a problem Take the four brass fittings and the two rubber feet off the old radiator and mount them on the new one
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Reviewed in the United States on June 24, 2016 by John
99 S10 Blazer 4.3 with automatic and 4WD. Original radiator lasted 20 years and 130K miles. Purchased aftermarket radiators from two nationally known auto parts stores both parts marketed under respected brands. The AT Fluid and oil cooler fittings were so poorly machined, the lines would not push into place. I even removed the fittings and snap clips, and lubed the O-ring and steel wool cleaned the up the line end. Still could not fully seat the lines. In the end, ordered the AC Delco radiator here, moved the old fittings to the new radiator. The lines snapped into the old fittings. Yes, the new radiator no longer has a functional drain as noted in other feedback comments.
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Reviewed in the United States on March 8, 2020 by Sometimes I do it myself
The local Chevy dealer wanted $800+ and my Blazer for 5 days to swap in a new radiator. It seemed like a complicated task, but I'm kinda feerless and was tired of driving around hoping the Barr's StopLeak wouldn't fail me. The job took this weekend mechanic about 3 hours. I replaced the radiator hoses too. The toughest part was trying to get the factory spring hose clamp onto the bottom hose at the engine block with channel lock pliers. I gave up after about 90 minutes of fiddling with it (I'm persistent, but it was late night with no stores open). Got the right screw hose clamps and everything went together quickly. The other less than simple part of the job as dealing with the lower radiator shroud. Be gentle, there's a lot of plastic holding things together, and it all works out. Thanks Amazon, for having all the AC Delco parts available and quickly shipped. My local auto parts store wouldn't have been as quick or as inexpensive.
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Reviewed in the United States on August 23, 2009 by Brad Hutchings
They will tell you that this part fit ,it will not .
Reviewed in the United States on July 2, 2023 by Tomas Roig
Great part but not include oil cooler fittings.
Reviewed in the United States on July 20, 2022 by Amazon Customer
Fits 1999 GMC Jimmy 2wd. No drain drilled in bottom of radiator for a drain plug, but you can always take off the hose to drain the radiator.
Reviewed in the United States on October 17, 2018 by Chadwhat