Warranty & Shipping
Product Reviews
Vehicle Fit


  • Direct replacement
  • Plastic tanks with aluminum core
  • Dimensions:
    • Height: 15-5/8"
    • Width: 29-13/16"
    • Depth: 5/8"
  • Built to strict quality control standards


Radiators may incur bent cooling fins or small imperfections during shipping or manufacturing. A few bent fins or small dents and scratches do not affect the fit or the function of the part. Neither our 60 Day satisfaction guarantee, nor the manufacturer's warranty, cover these types of insignificant damages.

Direct Fit Replacement

Core thickness equal to the OE part.  If radiator core is slightly thinner than the OEM, this can decrease overall performance and lifespan.

Premium Aluminum Core

Engineered for top performance.  Provides efficient cooling and heat-transfer.

100% Leak Tested

Built to strict quality control standards.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

5.00/ 5.0
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Direct fit, fast delivery
Exactly as described. Fast and efficient, easy ordering and delivered quickly. I am very happy with service and product.
January 4, 2018
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
ARE THE transmission fitting pipes come installed? or i have to install them ?
Issam A June 20, 2016
There are fittings already installed at the base of the radiator for you
Brian F June 21, 2016
does this radiator fit a standard radiator cap for gs400 year 2000? Should I need to force the cap?
Angus M October 18, 2018
The original radiator cap should fit and function just fine on this replacement radiator for the 2000 Lexus GS400. Thank you.
Jessica D October 19, 2018
Year Make Model Description
1998-2005Lexus GS300 Lexus GS300 Radiator
1998-2000Lexus GS400 Lexus GS400 Radiator
Part #: 1ARAD00702

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout