{
    "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
}
Guaranteed to Fit2003 GMC Sierra 1500 HD Change Vehicle

Dayco®
2003 GMC Sierra 1500 HD - Upper Radiator Hose

Tap image and pinch to zoom.
$25.49
$50.87Save: $25.38(50%)
Manufacturer #71989
Guaranteed to Fit2003 GMC Sierra 1500 HD Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2003 GMC Sierra 1500 HD
All Submodels
All Engines
-

Highlights

Brand:
Location:
Upper
Series:
Dayco Molded Series
Quantity Sold:
Sold individually
Warranty:
1 year or 12,000-mile Dayco limited 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.

Interchange Part Number:
RC50150004

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1999-2000 Chevrolet Silverado 2500
Base
8 Cyl 5.3L
-
1999-2000 Chevrolet Silverado 2500
LS
8 Cyl 5.3L
-
1999-2000 Chevrolet Silverado 2500
LT
8 Cyl 5.3L
-
1999-2000 GMC Sierra 2500
SL
8 Cyl 5.3L
-
1999-2000 GMC Sierra 2500
SL
8 Cyl 6.0L
-
Page 1 of 24 | Showing 1 - 5 of 117 results

Product Information

DAYCO MOLDED RADIATOR HOSES

  • Synthetic EPDM rubber construction and knitted rayon reinforcement offer maximum strength
  • Superior resistance to bursting, oil, ozone, dirt, salt, etc.
  • Withstands extreme temperatures of -40°F (-40°C) to 257°F (125°C)
  • Performs up to Class D-1 requirements, SAE J20R4 and Type EC electro-chemical requirements as specified in SAE J1684

Dayco Molded radiator hoses are constructed with synthetic EPDM rubber and knitted rayon reinforcement for lasting durability and superior resistance to bursting, oil, ozone, dirt, salt and extreme temperatures. Dayco is a top supplier of belts, pulleys, tensioners and hoses for the automotive aftermarket.

See product for application and installation details.

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

0
Is this the one that goes from radiator to Reservoir?donald k.Jun 04, 2022
Best Answer:Hi Donald, thank you for reaching out. No, it is not. This item is the main upper radiator hose. Kindly call our parts team at 1-866-529-0412 and provide the complete vehicle information. We'll be more than glad to help you look for the correct part.
Aldrin P.STAFFJun 05, 2022

Customer Reviews

Fit just right
Steve C.
VERIFIED PURCHASER
Purchased on Apr 12, 2022
An exact fit and easy installation if you have basic mechanical aptitude. Fit a 2006 Silverado 5.3 EXACTLY. Original hose went 10 2/3 years and 95K miles. We'l see how long this one lasts.
Purchased on Oct 31, 2016