{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2003 GMC Sierra 2500 HD
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Guaranteed to Fit2003 GMC Sierra 2500 HD Change Vehicle

Replacement
2003 GMC Sierra 2500 HD - 5-Piece Kit Radiator, 4.8L/5.3L/6.0L Engines, Aluminum Core, Plastic Tank, includes Radiator Cap, Radiator Hose, and Thermostat

Tap image and pinch to zoom.
$187.99
Manufacturer #KIT-090723-65
Guaranteed to Fit2003 GMC Sierra 2500 HD Change Vehicle
Qty:
1

Included in This Kit

Qty
Part
Brand
Location
Replaces OE Number
Radiator
Replacement
-
-
Radiator Cap
Gates
-
-
Radiator Hose
Gates
-
-
Radiator Hose
Gates
-
-
Thermostat
Gates
-
-

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2003 GMC Sierra 2500 HD
SLE
8 Cyl 6.0L
-
2003 GMC Sierra 2500 HD
SLT
8 Cyl 6.0L
-
2003 GMC Sierra 2500 HD
Base
8 Cyl 6.0L
-
2003 GMC Sierra 2500 HD
WT
8 Cyl 6.0L
-

Highlights

Part:
Radiator
Brand:
Replacement
Notes:
Cap - 15 lbs; Radiator - 34 Inches Core with EOC; Thermostat - 186 Degrees; Housing and Gasket Included
Core Dimensions:
34 x 17.25 x 1 in. Core Size
Components:
(1) Radiator, (1) Radiator Cap, (2) Radiator Hose, and (1) Thermostat
Automatic Transmission Cooler:
With Transmission Cooler
Engine Oil Cooler:
With Engine Oil Cooler
Inlet Size:
1.31 in. Inlet
Outlet Location:
Bottom right outlet
Recommended Use:
OE Replacement
Numberof Rows:
1-Row Core
Tank Material:
Plastic Tank
Core Material:
Aluminum Core
Color Finish:
Factory Finish
Outlet Size:
1.56 in. Outlet
Inlet Location:
Top left inlet
Replaces DPI Number:
DPI# 2370
Product Fit:
Direct Fit
Quantity Sold:
Kit
Warranty:
1-year Replacement unlimited-mileage warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions:
Collision Parts Savings
Core Height:
34 in.
Core Thickness:
1 in.
Core Width:
17 1/4 in.
Interchange Part Number:
3728, CU2370, 22840116, GM3010274, RC50150004
Returns Policy:
30-Day Return Policy

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1999-2002 GMC Sierra 2500
SL
8 Cyl 6.0L
-
1999-2004 Chevrolet Silverado 2500
Base
8 Cyl 6.0L
-
1999-2004 Chevrolet Silverado 2500
LS
8 Cyl 6.0L
-
1999-2004 Chevrolet Silverado 2500
LT
8 Cyl 6.0L
-
1999-2004 GMC Sierra 2500
SLE
8 Cyl 6.0L
-
Page 1 of 12 | Showing 1 - 5 of 58 results

Product Information

REPLACEMENT RADIATORS

Replacement radiators help your engine keep its cool, even under the most strenuous driving conditions. Innovative design traits, such as louvered core fins that accelerate heat transfer, help Replacement radiators deliver exceptional performance. At the same time, each radiator is built to factory specifications for a hassle-free installation.

Features & Benefits:

Perfect Fit, Easy Installation

  • Replacement brand radiators are designed to be an exact match for yourvehicle’sfactory radiator.
  • A perfect fit allows for a hassle-free installation.

Louvered Core Fins For Increased Airflow

  • Louvered core fins increase airflow and accelerate heat transferto keep your engine running cool.

Aluminum Core and Durable Plastic Tank

  • An aluminum core and durable plastic tank prevent rust and corrosion while also limiting weight and promoting longevity.
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

Customer Reviews