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Heating and Cooling› Radiators

AC Delco

Radiator Assembly

$638.15 $289.17 Save $348.98

SKU: 23378653

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The AC Delco 23378653 is a radiator assembly designed for various GM vehicles. This genuine GM part is manufactured by General Motors and ensures reliability, quality, longevity, and fitment comparable to original parts. It has passed stringent quality testing for safety, durability, and performance.
Show original supplier description
The AC Delco 23378653 is a genuine GM radiator assembly, manufactured by General Motors to ensure superior quality, longevity, and a precise fit. This part has undergone rigorous quality testing, guaranteeing its safety, durability, and performance to match original equipment standards. The radiator features corrosion-resistant aluminum construction for optimal heat transfer and a positive heat transfer to weight ratio. Key specifications include a core height of 34 inches, a core width of 16 7/8 inches, and a depth of 7/8 inches. The inlet is 1 1/4 inches and the outlet is 1 1/2 inches, with Quick Connect fittings on 11 1/2 inch centers for both the top and end of the core (TOC/EOC).

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAC Delco
Part Number23378653
CategoryHeating and Cooling

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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