{
    "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 2500 Change Vehicle

Dorman®
2003 GMC Sierra 2500 - Transmission Line Connector - Direct Fit

Tap image and pinch to zoom.
$6.49
$12.95Save: $6.46(50%)
Manufacturer #800-619
Guaranteed to Fit2003 GMC Sierra 2500 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2003 GMC Sierra 2500
Base
All Engines
transmissionmfrcode: 4L80-E, Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
2003 GMC Sierra 2500
SLT
All Engines
transmissionmfrcode: 4L80-E, Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
2003 GMC Sierra 2500
WT
All Engines
transmissionmfrcode: 4L80-E, Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
2003 GMC Sierra 2500
SLE
All Engines
transmissionmfrcode: 4L80-E, Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting

Highlights

Brand:
Warranty:
Lifetime Dorman limited warranty
Quantity Sold:
Sold individually
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:
4256, 15161776, 15170198, 15226661, 22691345
Product Fit:
Direct Fit
Replaces OE Number:
4256, 15161776, 15170198, 15226661, 22691345
Series:
OE Solutions Series
Fitnotes:
transmissionmfrcode: 4L80-E, Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1998-2002 Pontiac Grand Prix
SE
6 Cyl 3.8L
Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
1998-2003 Pontiac Grand Prix
GT
6 Cyl 3.8L
Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
1998-2003 Pontiac Grand Prix
GTP
6 Cyl 3.8L
Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
1998-2004 Buick Regal
All Submodels
All Engines
Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
2000-2003 Chevrolet Impala
Base
6 Cyl 3.4L
Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Body Quick Connector; w/Bevel Washer At Cooler Fitting
Page 1 of 77 | Showing 1 - 5 of 382 results

Product Information

DORMAN – OE REPLACEMENT TRANSMISSION OIL COOLER CONNECTORS

Secure the connection between your radiator and transmission or your transmission lines with Dorman’s OE replacement transmission oil cooler connectors. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

  • Pressure tested for optimal performance
  • Simple to install
  • Includes retaining clips (depending on application)
  • Extra protection against corrosion and leaks
  • Thread sealant applied (depending on application)
  • Solid metal or plastic design
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
Can you advise on a transmission mode switch assembly part? What is it's function?Janice M H.Sep 19, 2022
Best Answer:Hi Janice, thank you for reaching out. What is the part in question? This item is the transmission oil cooler line connector on the radiator side. Should you need further assistance, feel free to call our Sales team at 1-866-529-0412. Have a nice day.
Aldrin P.STAFFSep 19, 2022

Customer Reviews

From the time of order to my door was great... The big problem was it was the wrong part..... I needed the radiator side and not the transmission side.... thanks for the effort I guess....
Todd W.
VERIFIED PURCHASER
Purchased on May 03, 2020