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Cross-Flow Radiator with EOC/TOC

$156.24 $109.80 Save $46.44

SKU: CU622

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Non-Returnable Item
INSTALL DIFFICULTY
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Moderate — 2–4 hours

Overview

The Spectra Premium CU622 is a radiator designed to meet OE durability and expectations. It features an aluminum core material with a 1.25-inch thickness and is a cross-flow type radiator. This radiator includes an integrated engine oil cooler (EOC) and transmission oil cooler (TOC).
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The Spectra Premium CU622 radiator is engineered to match the durability and performance expectations of original equipment. Constructed with a robust aluminum core, it offers a thickness of 1.25 inches and a cross-flow design for efficient heat dissipation. This radiator comes equipped with integrated engine oil cooler (EOC) and transmission oil cooler (TOC) systems, featuring plated coolers with three plates each. The specifications for this radiator include a core height of 28.25 inches and a core width of 17.25 inches. The inlet is located at the top left with a 1.3125-inch diameter, and the outlet is at the bottom right with a 1.5625-inch diameter. The tank material is plastic, and it utilizes a saddle mounting type. The transmission oil cooler fittings are 1/2-20 UNF Female, and the engine oil cooler fittings are M20 - 1.5 Female, with both oil coolers spaced 11.5 inches apart. This radiator is designed for a wide range of Chevrolet and GMC trucks and SUVs from 1988 to 2001, including C1500, C2500, C3500, K1500, K2500, K3500, Suburban, Blazer, and P30/P3500 models. Specific fitment notes indicate it is for models with EOC and TOC, and that a radiator cap is required. The detailed fitment list covers various engine sizes, including V6 4.3L and V8 5.0L, 5.7L, and 7.4L engines across the specified years and models.

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

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Specifications

BrandRadBuild
Part NumberCU622
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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