{
    "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
}
Select your vehicle

Mazda Heater Valves

Refine by:

Shop Catalog

Showing 1 - 8 of 8 results
Sort by:
Heater Valve - Direct Fit
Part Number: RF38310003
Vehicle Info Required to Guarantee Fit
$9.49
Product Details
Location : FrontNotes : 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 - Direct Fit, Sold individually
Part Number: RF38310005
Vehicle Info Required to Guarantee Fit
$10.49
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
8211251 GPD OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: GPD8211251
Vehicle Info Required to Guarantee Fit
$7.49
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
YG350 Motorcraft OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: MIYG350
Vehicle Info Required to Guarantee Fit
$33.99
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
YG-426 Motorcraft OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: MIYG426
Vehicle Info Required to Guarantee Fit
$39.49
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
74809 4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: FS74809
Vehicle Info Required to Guarantee Fit
$14.49
Product Details
Location : FrontWarranty : 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
8211250 GPD OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: GPD8211250
Vehicle Info Required to Guarantee Fit
$11.49
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
74859 4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: FS74859
Vehicle Info Required to Guarantee Fit
$20.49
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

Fast delivery and easy to replace this part, perfectly 👌
Eduardo M.
VERIFIED PURCHASER
Very easy order and fast shipping.
Robert R.
VERIFIED PURCHASER

Product Questions & Answers

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 >
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 PartsOur Top Picks Replacement REPC503005 Heater Core 4-Seasons 98466 Heater Core GPD 8231379 Heater Core – Front, Aluminum Core One Stop Solutions 98010 Heater Core AC Delco 15-63728 GM Original Equipment Series Heater Core Blower Motor
How a Heater Control Valve Works (with Diagram)
How a Heater Control Valve Works (with Diagram)To have a better understanding of the heater control valve, it’s important to first know how your car’s heater works.  How Your Car’s Heater Works