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2000 Mazda B4000
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Price Match Guarantee
60-Day Returns
Lifetime Replacement
2000 Mazda B4000

2000 Mazda B4000 Heater Valves

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Heater Valve, Vacuum Controlled, with 4 Port, with 4-Port Valve -
Replacement
Heater Valve, Vacuum Controlled, with 4 Port, with 4-Port Valve -
Part Number: RF38310003
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 2000 Mazda B4000 Troy Lee 6 Cyl 4.0L with 4-Port Valve
  • 2000 Mazda B4000 SE 6 Cyl 4.0L with 4-Port Valve
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 : 74809, F87H18495AA, F87Z18495AAReplaces OE Number : F87H18495AA, F87Z18495AAProduct Fit : Direct FitReturns Policy : 30-Day Return Policy
Heater Valve, without Engine Oil Cooler, 2-Port Valve -
Replacement
Heater Valve, without Engine Oil Cooler, 2-Port Valve -
Part Number: RF38310005
Guaranteed to Fit
$10.49
Vehicle Fitment
  • 2000 Mazda B4000 Troy Lee 6 Cyl 4.0L 2-Port Valve; Less Engine Oil Cooler
  • 2000 Mazda B4000 SE 6 Cyl 4.0L 2-Port Valve; Less Engine Oil Cooler
Product Details
Notes : Without Engine Oil CoolerWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 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 : YG426, 1L5Z18495AA, 1L5Z18495ABReplaces OE Number : 1L5Z18495AA, 1L5Z18495ABProduct Fit : Direct FitReturns Policy : 30-Day Return Policy
GPD OE Replacement Heater Valve - Direct Fit, Sold individually
GPD®
GPD OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: GPD8211251
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 2000 Mazda B4000 Troy Lee 6 Cyl 4.0L 2 Ports; Vacuum Non-Bypass Heater Valve
  • 2000 Mazda B4000 SE 6 Cyl 4.0L 2 Ports; Vacuum Non-Bypass Heater 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
Motorcraft OE Replacement Heater Valve - Direct Fit, Sold individually
Motorcraft®
Motorcraft OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: MIYG350
Guaranteed to Fit
$33.99
Vehicle Fitment
  • 2000 Mazda B4000 All Submodels All Engines 4-Port Valve; With Engine Oil Cooler
Product Details
Warranty : 2-year or unlimited-mile Motorcraft 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 : Motorcraft OE ReplacementProduct Fit : Direct Fit
Motorcraft OE Replacement Heater Valve - Direct Fit, Sold individually
Motorcraft®
Motorcraft OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: MIYG426
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 2000 Mazda B4000 Troy Lee 6 Cyl 4.0L 2-Port Valve; Less Engine Oil Cooler
  • 2000 Mazda B4000 SE 6 Cyl 4.0L 2-Port Valve; Less Engine Oil Cooler
Product Details
Quantity 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 : Motorcraft OE ReplacementInterchange Part Number : RF38310005Product Fit : Direct Fit
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
4-Seasons®
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: FS74809
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2000 Mazda B4000 Troy Lee 6 Cyl 4.0L with 4-Port Valve
  • 2000 Mazda B4000 SE 6 Cyl 4.0L with 4-Port Valve
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 : RF38310003Product Fit : Direct Fit
GPD OE Replacement Heater Valve - Direct Fit, Sold individually
GPD®
GPD OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: GPD8211250
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 2000 Mazda B4000 Troy Lee 6 Cyl 4.0L 4 Ports; Vacuum Bypass Heater Valve
  • 2000 Mazda B4000 SE 6 Cyl 4.0L 4 Ports; Vacuum Bypass Heater 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
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
4-Seasons®
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: FS74859
Guaranteed to Fit
$20.49
Vehicle Fitment
  • 2000 Mazda B4000 All Submodels All Engines with 2-Port Valve
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 : RF38310005Product Fit : Direct Fit
Page 1 of 1 | Showing 1 - 8 of 8 results

Top Rated Products

Replacement Heater Valve, without Engine Oil Cooler, 2-Port Valve -
$10.49( Review)
Fast delivery and easy to replace this part, perfectly 👌
Eduardo M.
VERIFIED PURCHASER
Replacement Heater Valve, Vacuum Controlled, with 4 Port, with 4-Port Valve -
$9.49( Review)
Very easy order and fast shipping.
Robert R.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

4-Seasons 4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
$14.49
Q:My 2002 B2300 5 speeds, A/C,  115K. Keep running hot, and blowing related components in the past year I've chased the problem replacing or correcting symptoms to no avail. Flushed heater core & radiator, replace the thermostat, water pump, old houses, clamps, the reservoir and finally this heater valve. this past week again is blowing A/F past these Heater valve hoses?  No oil in the A/F or A/F in the oil.  HELP! Show Less
'02 B2300
A:BEST ANSWERHi Juan, For accuracy and best results, we recommend referring to a trusted vehicle specific repair manual for details about troubleshooting, diagnostic, repair and procedures. Also, it is best to consult your trusted local auto repair shop or dealership for this recurring problem since this requires careful troubleshooting to pinpoint the cause of the problem. You can find more information here as well: https://www.carparts.com/blog/why-you-should-always-consult-a-repair-manual/ Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >
GPD GPD OE Replacement Heater Valve - Direct Fit, Sold individually
$11.49
Q:Air conditioning comes out the vent and then stop coming out the vent and comes out the defroster will this fix my problem? Show Less
Keith M.
A:BEST ANSWERHello! I would suspect a blend door or actuator has failed, not the heater valve. Show less
Mitchell D.
 
3 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

Heating System Parts
Heating System Parts Pro Tip: The heater core can clog internally with rust or externally with dust and leaves.
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.