{
    "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 Fit1999 GMC Sierra 2500 Change Vehicle

Replacement
1999 GMC Sierra 2500 - Heater Valve, Vacuum Controlled, with 4 Port

Tap image and pinch to zoom.
$9.99
Manufacturer #RC38310002
Guaranteed to Fit1999 GMC Sierra 2500 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
1999 GMC Sierra 2500
SLT
8 Cyl 5.3L
-
1999 GMC Sierra 2500
SLE
8 Cyl 5.3L
-
1999 GMC Sierra 2500
SL
8 Cyl 5.3L
-
1999 GMC Sierra 2500
SL
8 Cyl 6.0L
-
1999 GMC Sierra 2500
SLE
8 Cyl 6.0L
-
1999 GMC Sierra 2500
SLT
8 Cyl 6.0L
-

Highlights

Notes:
Vacuum Controlled; With 4 Port
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.

Interchange Part Number:
74781, 12380318
Product Fit:
Direct Fit
Replaces OE Number:
12380318
Returns Policy:
30-Day Return Policy

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1995 Chevrolet C2500
Base
6 Cyl 4.3L
-
1995 Chevrolet C2500
Cheyenne
6 Cyl 4.3L
-
1995 Chevrolet C2500
Silverado
6 Cyl 4.3L
-
1995 Chevrolet C2500
WT
8 Cyl 5.7L
-
1995 Chevrolet C2500
WT
8 Cyl 5.0L
-
Page 1 of 100 | Showing 1 - 5 of 496 results

Product Information

Manufactured from top quality components, this is your best option and inexpensive replacement for your rebuild, repair, and maintenance needs - an OE replacement product for your damaged or aged factory part.

Replacement - the most affordable brand name for replacement parts that you need! Replacement is a professional brand for autobody, lighting parts, electrical, brake, suspension, intake and exhaust, and cooling and heating products. All Replacement brands include 1-year, unlimited-mileage warranty.

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

1
is the direction the valve is installed matter?  I do not see any arrows on fittings.daveEXPERTDec 17, 2022
Best Answer:Take specific note of the old part and the hoses attached and install the new part. The size fittings and hoses make it very apparent as to how the installation of the new part should go.
Jeff S.Dec 17, 2022
1
I have rear air conditioning. Do you have A heater valve that fits?Chris H.Jun 16, 2020
Best Answer:Hi Chris. As per checking, the part is not available for models with rear AC.
Khristine M.STAFFJun 16, 2020
0
Fit note states without rear a/c. My truck has rear a/c. Is there a different part ? This one looks exactly like the one I have. ThanksRay M.Feb 16, 2022
Best Answer:Hi, thank you for reaching out. We need more information to assist you. Kindly call our parts team at 1-866-529-0412 and provide your vehicle information or VIN so we can help you out. We hope to hear from you soon.
Andrew B.STAFFFeb 16, 2022
0
I have a 03 cts I need a heater water valve ?Terreance H.May 07, 2024
Best Answer:Hi Terreance, thank you for reaching out. Per checking, we don't have a heater valve for the 2003 Cadillac CTS. Thank you for inquiring. Have a nice day.
Aldrin P.STAFFMay 07, 2024
0
Heater control valve, where, is it located?Ervin B.Nov 25, 2023
Best Answer:Hi Ervin, thank you for reaching out. We are unable to answer your question accurately due to a lack of information. Kindly call our parts team at 1-866-529-0412 and tell us more about your vehicle. Hope to hear from you soon.
Aldrin P.STAFFNov 25, 2023

Customer Reviews

Exact fit for my ‘99 Tahoe with rear air. Couldn’t tell the difference between this and the OEM part it replaced
Jamed W.
VERIFIED PURCHASER
Purchased on Sep 29, 2020
I received it through mail very fast and didn't have any problems at all installing it. Just like the other parts I have ordered I'm very satisfied and I will order more.
Terry T.
VERIFIED PURCHASER
Purchased on Apr 29, 2020
It fit great and was a great price. I would recommend car parts to everyone .
Barry N.
VERIFIED PURCHASER
Purchased on Apr 26, 2020