My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Koyo A2370 OEM Replacement Radiator with Transmission Cooler

(Chevrolet Silverado 1500 2003-09, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 2006-13, Silverado 2500 HD 2001-09, Avalanche 1500 2002-04 + 21 more models)

Manufacturer

Part Number

A2370
Sale Price

$160.16

In Stock (7)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Koyo A2370 is an OEM replacement radiator engineered to meet or exceed original equipment standards with precise fitment and reliable performance. This radiator features durable plastic end tanks with an aluminum core, providing a cost-effective alternative to OEM units. Manufactured in ISO 9001 certified facilities and designed for true plug-and-play installation requiring no drilling, cutting, relocating, or modifications.

Key Features:

  • Single-row core design for efficient heat dissipation
  • Integrated transmission oil cooler for automatic transmissions
  • Engine oil cooler included
  • Core thickness of 1.3125 inches
  • Aluminum core with plastic end tanks for durability and value
  • Plug-and-play design with no modifications required for installation

Backed by Koyo's commitment to quality and precision engineering, supported by Japan's renowned radiator technology since 1956. This direct-fit replacement radiator provides reliable cooling performance for trucks and SUVs equipped with automatic transmissions.

Products specifications

Fits

Chevrolet Silverado 1500 2003-09, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 2006-13, Silverado 2500 HD 2001-09, Avalanche 1500 2002-04, Avalanche 2008, Silverado 3500 HD 2007-09, Silverado 2500 1999-2006 + 18 more models

Core Material

Aluminum

Prop 65

No

Inlet Diameter

1.3125

Tank Material

Plastic

Engine Oil Cooler Included

Yes

Transmission Oil Cooler Included

YES

Outlet Diameter

1.5625

A OK GREAT

Found a 15% discount but when went to use it it didnt work. Had to pay full price because we never got code for it. Not happy dont put it on if you are not going to let customers use it.

Thank u

66 GTO disc. conversion D52 1 in rotor from 68-72 GM Red will look good too. nice price !

very easy and simple to order

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy