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1998 GMC K2500
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Price Match Guarantee
60-Day Returns
Lifetime Replacement
1998 GMC K2500

1998 GMC K2500 Heater Valves

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Heater Valve, Vacuum Controlled, with 4 Port -
Replacement
Heater Valve, Vacuum Controlled, with 4 Port -
Part Number: RC38310002
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 1998 GMC K2500 Sierra SLE 8 Cyl 6.5L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 5.7L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K2500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 5.0L
  • 1998 GMC K2500 Sierra SLE 8 Cyl 5.0L
  • 1998 GMC K2500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC K2500 Sierra SL 8 Cyl 5.0L
  • 1998 GMC K2500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC K2500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K2500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 7.4L
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
4-Seasons®
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: FS74781
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 1998 GMC K2500 Sierra SLE 8 Cyl 6.5L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 5.7L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 6.5L
  • 1998 GMC K2500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 5.0L
  • 1998 GMC K2500 Sierra SLE 8 Cyl 5.0L
  • 1998 GMC K2500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC K2500 Sierra SL 8 Cyl 5.0L
  • 1998 GMC K2500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC K2500 Sierra SL 8 Cyl 6.5L
  • 1998 GMC K2500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC K2500 Sierra SLT 8 Cyl 7.4L
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, Assembly
AC Delco®
GM Original Equipment Series Heater Valve - Direct Fit, Assembly
Part Number: AC155737
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 1998 GMC K2500 All Submodels All Engines Mode Door
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : AssemblyProp 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
GPD®
GPD OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: GPD8211247
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 1998 GMC K2500 Sierra SL 8 Cyl 5.7L Heater Control Valve
  • 1998 GMC K2500 Sierra SLT 8 Cyl 5.0L Heater Control Valve
  • 1998 GMC K2500 Sierra SLE 8 Cyl 5.0L Heater Control Valve
  • 1998 GMC K2500 Sierra SL 8 Cyl 7.4L Heater Control Valve
  • 1998 GMC K2500 Sierra SLE 8 Cyl 6.5L Heater Control Valve
  • 1998 GMC K2500 Sierra SL 8 Cyl 5.0L Heater Control Valve
  • 1998 GMC K2500 Sierra SLT 8 Cyl 5.7L Heater Control Valve
  • 1998 GMC K2500 Sierra SLE 8 Cyl 5.7L Heater Control Valve
  • 1998 GMC K2500 Sierra SLT 8 Cyl 6.5L Heater Control Valve
  • 1998 GMC K2500 Sierra SL 8 Cyl 6.5L Heater Control Valve
  • 1998 GMC K2500 Sierra SLE 8 Cyl 7.4L Heater Control Valve
  • 1998 GMC K2500 Sierra SLT 8 Cyl 7.4L 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
GM Original Equipment Series Heater Valve - Direct Fit, Sold individually
AC Delco®
GM Original Equipment Series Heater Valve - Direct Fit, Sold individually
Part Number: AC155533
Guaranteed to Fit
$27.49
Vehicle Fitment
  • 1998 GMC K2500 All Submodels All Engines
Product Details
Notes : Heater water shut off 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
Page 1 of 1 | Showing 1 - 5 of 5 results

Top Rated Products

4-Seasons 4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
$20.99( Review)
Easy to install and came when they said it would. CarParts are easy to to order from.See More
Darrell W.
VERIFIED PURCHASER
AC Delco GM Original Equipment Series Heater Valve - Direct Fit, Sold individually
$27.49( Review)
The heater valve fit, as promised. Fairly easy install, even for me. I'd recommend!
Adam F.
VERIFIED PURCHASER
Replacement Heater Valve, Vacuum Controlled, with 4 Port -
$9.99( Review)
Good fixing
Domingo V.
VERIFIED PURCHASER

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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.