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2021 Toyota 4Runner
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2021 Toyota 4Runner

2021 Toyota 4Runner Mass Air Flow Sensors

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Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Motorad®
Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Part Number: MRD1MF284
Guaranteed to Fit
$86.99
Vehicle Fitment
  • 2021 Toyota 4Runner TRD Off-Road 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Off-Road Premium 6 Cyl 4.0L
  • 2021 Toyota 4Runner Base 6 Cyl 4.0L
  • 2021 Toyota 4Runner Venture 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Pro 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2021 Toyota 4Runner Nightshade 6 Cyl 4.0L
  • 2021 Toyota 4Runner Limited 6 Cyl 4.0L
  • 2021 Toyota 4Runner Trail 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 Premium 6 Cyl 4.0L
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Condition : NewRecommended Use : OE Replacement
Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Beck Arnley®
Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Part Number: BEC1581667
Guaranteed to Fit
$95.99
Vehicle Fitment
  • 2021 Toyota 4Runner TRD Off-Road 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Off-Road Premium 6 Cyl 4.0L
  • 2021 Toyota 4Runner Base 6 Cyl 4.0L
  • 2021 Toyota 4Runner Venture 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Pro 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2021 Toyota 4Runner Nightshade 6 Cyl 4.0L
  • 2021 Toyota 4Runner Limited 6 Cyl 4.0L
  • 2021 Toyota 4Runner Trail 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 Premium 6 Cyl 4.0L
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Beck Arnley limited warrantyProp 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.

Condition : NewRecommended Use : OE Replacement
Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Walker Products®
Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Part Number: WKP2451244
Guaranteed to Fit
$87.99
Vehicle Fitment
  • 2021 Toyota 4Runner TRD Off-Road 6 Cyl 4.0L
  • 2021 Toyota 4Runner Base 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Pro 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2021 Toyota 4Runner Nightshade 6 Cyl 4.0L
  • 2021 Toyota 4Runner Trail 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 Premium 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Off-Road Premium 6 Cyl 4.0L
  • 2021 Toyota 4Runner Venture 6 Cyl 4.0L
  • 2021 Toyota 4Runner Limited 6 Cyl 4.0L
Product Details
Notes : Sensor onlyQuantity Sold : Sold individuallyWarranty : 90-day Walker Products limited warrantyProp 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.

Condition : NewRecommended Use : OE Replacement
Mass Air Flow Sensor
WAI®
Mass Air Flow Sensor
Part Number: WAIMAF10202
Guaranteed to Fit
$43.99
Vehicle Fitment
  • 2021 Toyota 4Runner All Submodels All Engines
Product Details
Replaces OE Number : 2134300, 2134301, 5S9128, 1581092, 221359, MF21203, MF21203N, 221203, MA1144, 8650057, 7450057, 7450073, MQ6225, AF10202, AF1020212B1, AF10347, AF10458, AF10488, 1976110, DMA0110, 917961, DL3010, XTP450057, 19204726, 88975798, 88975816, 8ET009142951, MAF1087, 19761, 222040H010, 222040P010, 222040T010, 2220431010, 2220431020, 86206, MAF650057, MG0025, MA175, MAS0281, MAS0314, MAS0363, MA320, 222040T020, 222040T040, 222040V010, 222040V020, 2220428010, 2220437010, V70720020, MAF10202, 2451150Quantity Sold : Sold individuallyWarranty : WAI limited warrantyProp 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.

Condition : NewInterchange Part Number : 2134300, 2134301, 5S9128, 1581092, 221359, MF21203, MF21203N, 221203, MA1144, 8650057, 7450057, 7450073, MQ6225, AF10202, AF1020212B1, AF10347, AF10458, AF10488, 1976110, DMA0110, 917961, DL3010, XTP450057, 19204726, 88975798, 88975816, 8ET009142951, MAF1087, 19761, 222040H010, 222040P010, 222040T010, 2220431010, 2220431020, 86206, MAF650057, MG0025, MA175, MAS0281, MAS0314, MAS0363, MA320, 222040T020, 222040T040, 222040V010, 222040V020, 2220428010, 2220437010, V70720020, MAF10202, 2451150Recommended Use : OE Replacement
Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Delphi®
Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
Part Number: DELAF10347
Guaranteed to Fit
$104.99
Vehicle Fitment
  • 2021 Toyota 4Runner TRD Off-Road 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Off-Road Premium 6 Cyl 4.0L
  • 2021 Toyota 4Runner Base 6 Cyl 4.0L
  • 2021 Toyota 4Runner Venture 6 Cyl 4.0L
  • 2021 Toyota 4Runner TRD Pro 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 6 Cyl 4.0L
  • 2021 Toyota 4Runner Nightshade 6 Cyl 4.0L
  • 2021 Toyota 4Runner Limited 6 Cyl 4.0L
  • 2021 Toyota 4Runner Trail 6 Cyl 4.0L
  • 2021 Toyota 4Runner SR5 Premium 6 Cyl 4.0L
Product Details
Notes : (5) Male Terminals; Pin Terminal Type; Meets or Exceeds OE Manufacturer SpecificationsQuantity Sold : Sold individuallyWarranty : 12-month or 12,000-mile Delphi limited warrantyProp 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.

Condition : NewRecommended Use : OE ReplacementEmissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)
Page 1 of 1 | Showing 1 - 5 of 5 results

Popular Products

Product Questions & Answers

Walker Products Mass Air Flow Sensor, 6 Cyl., 4.0L Engine
$87.99
Q:Is this MAF sensor also the Air Intake temp sensor?
Dave m.
A:BEST ANSWERHi Dave, I'm glad to help you out. The mass air flow sensor is different from an air intake temperature sensor. Should you need further assistance, feel free to our Sales team at 1-866-529-0412. I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

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P2187 Code: System too Lean at Idle (Bank 1)
P2187 Code: System too Lean at Idle (Bank 1)Note that there is only one bank if your car has a straight engine and the scan tool will always refer to that bank as “Bank 1.” P2187 code indicates that your vehicle’s computer detected a potential issue with the fuel mixture at idle.
P0113 Code: Intake Air Temperature Sensor 1 Circuit High Input
P0113 Code: Intake Air Temperature Sensor 1 Circuit High InputThe code appears in a 1998 Honda Civic EX 1.6L because of the following conditions: IAT sensor signal circuit is open or shorted to voltage Damaged IAT sensor connector (check pins for damage, and for moisture) IAT sensor return circuit is open Failed IAT sensor has failed What is an Intake Air Temperature (IAT) Sensor
P2196 Code: O2 Sensor Signal Biased/Stuck Rich (Bank 1, Sensor 1)
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P0104 Code: Mass Air Flow (MAF) “A” Circuit Intermittent / Erratic
P0104 Code: Mass Air Flow (MAF) “A” Circuit Intermittent / ErraticThis sensor is usually installed in the engine air intake tract downstream from the air filter. It measures the amount of air entering the engine by calculating its volume and density. A MAF sensor only measures a portion of intake air and uses this value to estimate the total volume
What Does Remanufactured Mean? VS Refurbished, Rebuilt, Reconditioned
What Does Remanufactured Mean? VS Refurbished, Rebuilt, ReconditionedA remanufactured part is usually a used OEM part that has been stripped down and had its worn components replaced with repaired or brand-new parts. Although it won’t be brand new, its quality and performance are equivalent to a brand new component. It also meets the manufacturer’s factory standards.
P0170 Code: Fuel Trim (Bank 1)
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