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2000 Chevrolet C3500HD
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Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2000 Chevrolet C3500HD

2000 Chevrolet C3500HD 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
  • 2000 Chevrolet C3500HD Base 8 Cyl 6.5L
  • 2000 Chevrolet C3500HD Base 8 Cyl 5.7L
  • 2000 Chevrolet C3500HD Base 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
  • 2000 Chevrolet C3500HD Base 8 Cyl 6.5L
  • 2000 Chevrolet C3500HD Base 8 Cyl 5.7L
  • 2000 Chevrolet C3500HD Base 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
  • 2000 Chevrolet C3500HD 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
Page 1 of 1 | Showing 1 - 3 of 3 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
Replacement Heater Valve, Vacuum Controlled, with 4 Port -
$9.99( Review)
Good fixing
Domingo V.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

4-Seasons 4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
$20.99
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 >
Replacement Heater Valve, Vacuum Controlled, with 4 Port -
$9.99
Q:is the direction the valve is installed matter?  I do not see any arrows on fittings. Show Less
dave
A:BEST ANSWERTake 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. Show less
Jeff S.
 
5 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.