{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
2000 GMC Sierra 1500

2000 GMC Sierra 1500 Heater Valves

Refine by:

Shop Catalog

Showing 1 - 4 of 4 results
Sort by:
Heater Valve, Vacuum Controlled, with 4 Port -
Part Number: RC38310002
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 2000 GMC Sierra 1500 SL 8 Cyl 5.3L
  • 2000 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2000 GMC Sierra 1500 SLE 8 Cyl 4.8L
  • 2000 GMC Sierra 1500 SL 8 Cyl 4.8L
  • 2000 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2000 GMC Sierra 1500 SLT 6 Cyl 4.3L
  • 2000 GMC Sierra 1500 SL 6 Cyl 4.3L
  • 2000 GMC Sierra 1500 SLT 8 Cyl 4.8L
  • 2000 GMC Sierra 1500 SLE 6 Cyl 4.3L
Product Details
Notes : Vacuum Controlled; With 4 PortWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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, 12380318Replaces OE Number : 12380318Product Fit : Direct FitReturns Policy : 30-Day Return Policy
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: FS74781
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 2000 GMC Sierra 1500 SL 8 Cyl 5.3L
  • 2000 GMC Sierra 1500 SLT 8 Cyl 5.3L
  • 2000 GMC Sierra 1500 SLE 8 Cyl 4.8L
  • 2000 GMC Sierra 1500 SL 8 Cyl 4.8L
  • 2000 GMC Sierra 1500 SLE 8 Cyl 5.3L
  • 2000 GMC Sierra 1500 SLT 6 Cyl 4.3L
  • 2000 GMC Sierra 1500 SL 6 Cyl 4.3L
  • 2000 GMC Sierra 1500 SLT 8 Cyl 4.8L
  • 2000 GMC Sierra 1500 SLE 6 Cyl 4.3L
Product Details
Warranty : 120-day 4-Seasons limited warrantyQuantity Sold : Sold individuallyProp 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.

Series : 4-Seasons OE ReplacementInterchange Part Number : RC38310002Product Fit : Direct Fit
GM Original Equipment Series Heater Valve - Direct Fit, Sold individually
Part Number: AC155686
Guaranteed to Fit
$39.49
Vehicle Fitment
  • 2000 GMC Sierra 1500 All Submodels All Engines
Product Details
Notes : Temperature valveWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 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.

Series : GM Original Equipment SeriesProduct Fit : Direct Fit
GPD OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: GPD8211247
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2000 GMC Sierra 1500 SL 8 Cyl 5.3L Heater Control Valve
  • 2000 GMC Sierra 1500 SL 8 Cyl 4.8L Heater Control Valve
  • 2000 GMC Sierra 1500 SLE 8 Cyl 5.3L Heater Control Valve
  • 2000 GMC Sierra 1500 SLT 6 Cyl 4.3L Heater Control Valve
  • 2000 GMC Sierra 1500 SLT 8 Cyl 5.3L Heater Control Valve
  • 2000 GMC Sierra 1500 SLE 8 Cyl 4.8L Heater Control Valve
  • 2000 GMC Sierra 1500 SL 6 Cyl 4.3L Heater Control Valve
  • 2000 GMC Sierra 1500 SLT 8 Cyl 4.8L Heater Control Valve
  • 2000 GMC Sierra 1500 SLE 6 Cyl 4.3L Heater Control Valve
Product Details
Warranty : 1 year GPD limited warrantyQuantity Sold : Sold individuallyProp 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.

Series : GPD OE ReplacementRecommended Use : OE ReplacementProduct Fit : Direct Fit
Page 1 of 1 | Showing 1 - 4 of 4 results

Top Rated Products

Easy to install and came when they said it would. CarParts are easy to to order from.See More
Darrell W.
VERIFIED PURCHASER
Good fixing
Domingo V.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Q:Any video of how to replace this valve?
Vidyagati
A:BEST ANSWERHi William, thank you for reaching out. Since we don't have an installation guide for this product, we recommend referring to a vehicle-specific repair manual for the installation guide. You can find more information here: https://www.carparts.com/blog/why-you-should-always-consult-a-repair-manual/ If your vehicle information matches this part, you can use this link to order this part at a discounted price today while supplies last: https://www.carparts.com/heater-valve/ac-delco/ac155686?can=CPAP3648_CSQA_20241210 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Q:I am not getting heat in my 1999 astro van and put a new thermostat in it and it still blows cold air what could be the problem? Show Less
Dr.J.
A:BEST ANSWERHi Jimmie, There are different factors that could cause the issue. We highly recommend to have the vehicle diagnosed by a certified mechanic to pinpoint what part needs replacement. Show less
Aldrin P.
 
2 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

Heating System Parts
Heating System PartsThe blower motor is a fan that forces air through either the heating or the cooling unit of the HVAC system. If you’re running the heater, the motor blows air over the heater core. The warmed air enters the passenger cabin, raising the temperature and fighting off the cold.
How a Heater Control Valve Works (with Diagram)
How a Heater Control Valve Works (with Diagram)Your car’s heater relies on hot coolant—from the engine’s cooling system—to warm the cabin. A typical cooling system has four primary components: the water pump, radiator, thermostat, and heater core.  A typical cooling system has four primary components: the water pump, radiator, thermostat, and heater core.