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            Toyota 4Runner Mass Air Flow Sensor O-Ring

            We have 36 Items In-stock. Select a year to continue.
            • Top Sellers

            Toyota 4Runner Mass Air Flow Sensor - Sensor Only

            Best Seller
            $32.29 $73.16 You Save $40.87 (56%)
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            Manufactured from top quality components, this is your best option and inexpensive replacement for your rebuild, repair, and maintenance needs - an OE replacement product for your damaged or aged factory part.

            Replacement - the most affordable brand name for replacement parts that you need! Replacement is a professional brand for autobody, lighting parts, electrical, brake, suspension, intake and exhaust, and cooling and heating products. All Replacement brands include 1-year, unlimited-mileage warranty.

            • Brand SKU#: Replacement REPT316702
            • Notes: Sensor only; Without housing
            • Configuration: 5-Prong Blade Male Terminal; 1 Female Connector
            • Quantity Sold: Sold individually
            • Warranty: 1-year unlimited-mileage warranty
            • Prop 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.

            Fits the following Toyota 4Runner Years

            • 1998-2002 | Limited | 6 Cyl 3.4L
            • 1998-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
            • 2003-2009 | Limited | 6 Cyl 4.0L
            • 2003-2009 | SR5 | 6 Cyl 4.0L
            • 2003-2009 | Sport | 6 Cyl 4.0L
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            Toyota 4Runner Mass Air Flow Sensor

            Best Seller
            $52.69 $86.54 You Save $33.85 (39%)
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            Availability: In Stock
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            WALKER PRODUCTS OE REPLACEMENT MASS AIR FLOW SENSORS

            Restore accurate air flow measurement for your engine's air intake system with the carefully crafted and tested design of Walker Products’ OE replacement mass air flow sensors. Walker Products supplies the automotive aftermarket with premium engine sensors and fuel system components.

            • Strenuously crafted for OE-standard fit and function
            • Made with first-class materials for durability
            • Carefully manufactured and inspected in-house to guarantee optimum performance
            • Provides accurate mass air flow rate information
            • Brand SKU#: Walker Products 245-1095
            • Notes: Sensor only
            • Quantity Sold: Sold individually
            • Warranty: 90-day Walker limited warranty

            Fits the following Toyota 4Runner Years

            • 1999-2002 | Limited | 6 Cyl 3.4L
            • 1999-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
            • 2003-2009 | Limited | 6 Cyl 4.0L
            • 2003-2009 | SR5 | 6 Cyl 4.0L
            • 2003-2009 | Sport | 6 Cyl 4.0L
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            Toyota 4Runner Mass Air Flow Sensor

            $89.96 $172.45 You Save $82.49 (48%)
            Core Deposit: $27.33
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            Availability: In Stock
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            A1 CARDONE REMAN OE REPLACEMENT MASS AIR FLOW SENSORS

            Restore trouble-free functionality to your ride with the perfect fit and lasting dependability of A1 CARDONE’s remanufactured OE replacement mass air flow sensors. A1 CARDONE supplies the automotive aftermarket with high-quality remanufactured products.

            • Made to precise OE requirements for perfect fit
            • Premium, sturdy design for lasting dependability
            • Thoroughly inspected to guarantee optimum, trouble-free functionality
            • Engineered by top, industry-respected remanufacturing experts
            • Quick and painless to install

            *** RETURNS NOTE: A1 CARDONE only accepts returns within 30 days of purchase. When you receive your product, please inspect it immediately for proper part number/condition and to ensure that you are satisfied with your purchase. ***

            • Brand SKU#: A1 Cardone 74-10038
            • Notes: Plastic Housing Material; Bolt-On Mounting Type
            • Quantity Sold: Sold individually
            • Warranty: 1-year or 18,000-mile A1 Cardone limited warranty

            Fits the following Toyota 4Runner Years

            • 1996-1998 | Limited | 6 Cyl 3.4L
            • 1996-1998 | SR5 | 6 Cyl 3.4L

            Toyota 4Runner Mass Air Flow Sensor

            $105.19 $164.02 You Save $58.83 (36%)
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            Availability: In Stock
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            Delphi Mass Air Flow Sensor

            Delphi OE Replacement Mass Air Flow Sensor is the replacement of choice when it's time for you to restore your old mass air flow sensor. It's similarly designed to be just like the original mass air flow sensor which was included with your vehicle so you could be sure of its capabilities. Fixing or customizing your automobile often involves replacing parts. An aged and broken down mass air flow sensor works a lot less proficiently changing it lessens the hazard of harming other vehicle parts. Have your intake work at top efficiency and travel with confidence.

            • Brand SKU#: Delphi AF10135
            • Notes: Without housing; 5-prong terminal
            • Quantity Sold: Sold individually
            • Warranty: 1-year or 12,000-mile Delphi limited warranty
            • Prop 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.

            Fits the following Toyota 4Runner Years

            • 2000-2002 | Limited | 6 Cyl 3.4L
            • 2000-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
            • 2003-2009 | Limited | 6 Cyl 4.0L
            • 2003-2009 | SR5 | 6 Cyl 4.0L
            • 2003-2009 | Sport | 6 Cyl 4.0L
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            Toyota 4Runner Mass Air Flow Sensor

            $90.40 $161.82 You Save $71.42 (44%)
            Core Deposit: $54.90
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            Availability: In Stock
            Only from APW Rewards

            ACDELCO (NEW) OE REPLACEMENT MASS AIR FLOW SENSORS

            Maintain prime fuel economy and power with the precision engineering promised by ACDelco’s new OE replacement mass air flow sensors. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

            • Stringently evaluated to guarantee consistent functionality
            • Precisely measures engine air influx to help ECM determine fuel injection
            • Manufactured to exact OE standards for perfect fit and quality assurance
            • Covers broad range of makes and models
            • Holds distinction as OEM-endorsed replacement for your vehicle’s original component
            • Brand SKU#: AC Delco 213-3424
            • Replaces OE Number: 8658471-0
            • Quantity Sold: Sold individually
            • Warranty: 24-months or unlimited mile AC Delco limited warranty

            Fits the following Toyota 4Runner Years

            • 1998-2002 | Limited | 6 Cyl 3.4L
            • 1998-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
            • 2003-2009 | Limited | 6 Cyl 4.0L
            • 2003-2009 | SR5 | 6 Cyl 4.0L
            • 2003-2009 | Sport | 6 Cyl 4.0L
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            Toyota 4Runner Mass Air Flow Sensor

            $120.70 $214.13 You Save $93.43 (44%)
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            Availability: In Stock
            Only from APW Rewards
            Beck Arnley Fuel Injection Air Flow Meter, New

            Since 1914, Beck Arnley is the foremost specialty supplier of first-rate, quality import parts for cars, light trucks, and SUVs. Offering exceptional parts that look and perform the same as OE parts while providing customer-driven service, Beck Arnley continues to provide solutions that make an auto technician's job easier.

            Beck Arnley Worldparts, Inc. has been a leading specialty supplier of premium, quality import parts for cars, light trucks, and SUVs. Unlike its competitors, Beck Arnley provides import parts like Fuel Injection Air Flow Meter by model and year to equal the OE form, fit, and performance.

            • Brand SKU#: Beck Arnley 158-0777
            • Quantity Sold: Sold individually
            • Warranty: 1 year or 12,000-mile Beck Arnley limited warranty

            Fits the following Toyota 4Runner Years

            • 2000-2002 | Limited | 6 Cyl 3.4L
            • 2000-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
            • 2003-2009 | Limited | 6 Cyl 4.0L
            • 2003-2009 | SR5 | 6 Cyl 4.0L
            • 2003-2009 | Sport | 6 Cyl 4.0L
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            Toyota 4Runner Spectre 8705 Mass Air Flow Sensor Adapter - Direct Fit

            $18.94 $32.89 You Save $13.95 (42%)
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            Availability: In Stock, 2-3 business days
            Only from APW Rewards
            SPECTRE AIR FLOW SENSOR MOUNT KIT -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 3 in. diameter; Includes three adapter plates to fit popular air sensor and collar clamp; For sensors calibrated to 2.88 in. inside diameter tubes; For sensors calibrated to smaller tubes, use part number 9405.
            • Brand SKU#: Spectre 8705
            • Notes: 2.88 in. Inside Diameter; 3 in. Outside Diameter; ABS Material; Includes Adapter, Screw, and Tube
            • Warranty: 90-day Spectre limited warranty
            • Anticipated Ship Out Time: 2-3 business days
            • Quantity Sold: Kit
            • Prop 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.

            Toyota 4Runner Mass Air Flow Sensor

            $104.27 $174.97 You Save $70.70 (40%)
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            Availability: In Stock
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            DENSO's mass airflow sensors make use of a unique structure which reduces exposure to the sensing unit, resulting in less contamination for improved detection accuracy and longer sensor service life.

            Features:
            • Platinum wire sensing element reacts quickly to changes in air flow
            • Glass film coated sensing elements cut down contamination and improve reliability
            • Better combustion and emission
            • Brand SKU#: Denso 197-6020
            • Quantity Sold: Sold individually
            • Warranty: 1-year Denso limited Warranty

            Fits the following Toyota 4Runner Years

            • 1998-2002 | Limited | 6 Cyl 3.4L
            • 1998-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
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            Toyota 4Runner Mass Air Flow Sensor

            $166.29 $346.25 You Save $179.96 (52%)
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            Availability: In Stock
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            Hitachi Mass Air Flow Sensors are integrated induction air temperature sensors that feature mass air flow measurement that is necessary for the engine control unit to balance and deliver the correct fuel mass to the engine. These mass air flow sensors are also available with analog, frequency, or ratiometric output.
              Note:
            • Brand NEW part, NOT remanufactured
            • Brand SKU#: Hitachi MAF0053
            • Notes: Sensor with housing
            • Replaces OE Number: 2225075010
            • Quantity Sold: Sold individually
            • Warranty: 1 year or 12,000-mile Hitachi limited warranty

            Toyota 4Runner Mass Air Flow Sensor

            $105.14 $155.37 You Save $50.23 (32%)
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            Availability: In Stock
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            STANDARD INTERMOTOR WINDOW SWITCHES

            Expertly designed to OE standards in TS16949-certified manufacturing facilities, Standard’s Intermotor window switches deliver the exact fit and superior quality and performance expected from an industry-leading engine management import line. Since 1919, Standard Motor Products has engineered a full line of engine management products, including ignition parts, sensors and on-board computers.

            • Built in TS16949-certified manufacturing facilities and design centers
            • Performs up to stringent OE standards and offers exact-fit solution
            • Covers a vast range of import makes and models
            • 100% factory tested to ensure superior performance
            • Brand SKU#: Standard MAS0188
            • Quantity Sold: Sold individually
            • Warranty: 3-year or 36,000-mile Standard limited warranty

            Fits the following Toyota 4Runner Years

            • 1999-2002 | Limited | 6 Cyl 3.4L
            • 1999-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
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            Toyota 4Runner Performance Replacement Dry Air Filter

            $45.99 $58.00 You Save $12.01 (21%)
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            Availability: In Stock
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            AEM – DRYFLOW AIR FILTERS

            Oiled filters are not as effective as dry filters because they form a barrier for airflow which sacrifices some of your ride’s horsepower and torque potential. Using an AEM oil-free DryFlow synthetic filter eliminates this problem – and the mess of cleaning an oiled filter. Started in 1987, AEM has garnered a reputation for engineering some of the best and most cost-effective air intake systems for high-output/race vehicles in particular.

            • Easy to clean since no oil is involved
            • Made in America
            • Replacement for stock or worn out air filters
            • Complements AEM Cold Air Intakes, Brute Force, Short Ram and V2 cold air systems
            • No oil allows better air filtration
            • Increased air flow translates directly to increased horsepower and torque
            • Lifetime warranty
            • Brand SKU#: AEM Air 28-20054
            • Style: Dry
            • Type: Reusable
            • Series: AEM Air Dry Flow
            • Quantity Sold: Sold individually
            • Warranty: Lifetime AEM limited warranty
            • Prop 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.

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            Fits the following Toyota 4Runner Years

            • 1996-2002 | Limited | 6 Cyl 3.4L
            • 1996-2002 | SR5 | 6 Cyl 3.4L
            • 2001 | Base | 6 Cyl 3.4L
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            Toyota 4Runner Cold Air Intake - Oiled

            $307.99 $559.09 You Save $251.10 (45%)
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            Availability: In Stock, 2-3 business days
            Only from APW Rewards
            K&N – 57 SERIES FUEL-INJECTED COLD AIR INTAKE KITS

            When most people think of vehicle performance, K&N comes to mind. K&N’s fuel-injected performance cold air intake kits feature an extra large conical filter for maximum cold air flow and a rotationally molded, non-metallic intake tube designed to eliminate air turbulence and the annoying noise that metal intakes can make. Started in 1969, K&N has garnered a reputation for engineering the world’s finest filtration products for cars, trucks, SUVs, motorcycles, race vehicles, commercial vehicles and anything in-between.

            • Great for vehicles with fuel injection
            • Replaces existing air filter and box
            • Includes rotationally-molded polyethylene tube for less noise than metal intake tubes
            • Conveniently uses stock mounting points and holes
            • Installs in less than 2 hours
            • Boosts cold air flow which translates to more horsepower
            • Backed by K&N’s million mile warranty
            • Custom fit to your vehicle’s specifications
            • Includes cotton-gauze conical air filter with 100,000-mile cleaning intervals
            • The world’s best fuel-injected cold air intake system
            • All filters are washable, reusable and come already oiled by K&N
            • Brand SKU#: K&N 57-9012
            • Series: K&N 57 Series FIPK
            • Quantity Sold: Assembly
            • Tube Material: Plastic Tube
            • Tube Color/Finish: Black
            • Air Filter Type: Oiled
            • Product Fit: Direct Fit
            • Air Filter Material: Cotton Gauze Filter
            • Anticipated Ship Out Time: 2-3 business days
            • Warranty: Million-mile K&N limited warranty
            • Prop 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.

            See more

            Toyota 4Runner Oxygen Sensor - Sold individually

            $169.42 $235.37 You Save $65.95 (28%)
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            Availability: In Stock, Same day - 1 business day
            Only from APW Rewards
            Bosch invented the automotive oxygen sensor and is the number one choice of vehicle manufacturers around the world. Properly functioning oxygen sensors are important when it comes to your vehicles fuel efficiency and reducing harmful exhaust emissions.

            Specifications:
            • 4-wire

            Features:
            • Constructed of premium ceramic technology that incorporates Zirconia or Titania and Yttrium for superior protection against mechanical and thermal shock
            • Patented catalytically activated fine particle filter prevents contamination for extended life and ensures precise voltage to the engine's emission control computer, while a second filter doubles protection against exhaust gas contamination is thereby increasing its sensor life
            • Prevents premature failure of the catalytic converter
            • Snug fitting OE-style silicone boots ensure proper fit, function, and appearance
            • Rigorously tested for perfect performance while saving money in fuel costs
            • Direct plug-in, no cutting or splicing required
            • Brand SKU#: Bosch 15974
            • Location: Upstream
            • Type: 4-wire
            • Quantity Sold: Sold individually
            • Recommended Use: OE Replacement
            • Product Fit: Direct Fit
            • Wire Length: 15.9 in. Wire Length
            • Anticipated Ship Out Time: Same day - 1 business day
            • Warranty: 1-year Bosch limited warranty
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            Fits the following Toyota 4Runner Years

            • 2005-2007 | Limited | 6 Cyl 4.0L
            • 2005-2007 | SR5 | 6 Cyl 4.0L
            • 2005-2007 | Sport | 6 Cyl 4.0L
            • 2005-2009 | Limited | 8 Cyl 4.7L
            • 2005-2009 | SR5 | 8 Cyl 4.7L
            • 2005-2009 | Sport | 8 Cyl 4.7L
            See more

            Toyota 4Runner Air Spring - Rear, Driver and Passenger Side, Kit

            $108.67 $141.92 You Save $33.25 (23%)
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            Availability: In Stock
            Only from APW Rewards

            AIR LIFT 1000 AIR SPRINGS

            Air Lift 1000 air springs are ready to add load-leveling support for improved handling, braking and reduced bottoming when you’re hauling a heavy load in your SUV, CUV, van, car or motorhome. They fit inside your vehicle’s coil springs and, when inflated, will increase your vehicle’s spring rate to provide up to 1,000 pounds of load support and can be easily deflated when your vehicle is empty. Air Lift patented their first air spring suspension in 1950 and have been an industry leader ever since.

            • Fits inside the coil springs of your SUV, van or car
            • Provides up to 1,000 pounds of load-leveling support
            • Inflate air springs for heavy loads, deflate when your vehicle’s empty
            • Increased stability and less bottoming out because air springs increase spring rates
            • Designed for vehicles (SUVs, CUVs, vans and cars) with coil spring suspensions
            • Can be inflated from 5-35 psi for most vehicles (50-90 psi for motorhomes)
            • Full kits contain two air springs, air lines, Schrader valves and hardware (check application before purchase)
            • Brand SKU#: Air Lift 60743
            • Location: Rear, Driver And Passenger Side
            • Notes: Air Compressor Sold Separately
            • Series: Air Lift 1000
            • Quantity Sold: Kit
            • Warranty: Air Lift's Limited Lifetime Warranty

            Fits the following Toyota 4Runner Years

            • 1996-2001 | Base | All Engines
            • 1996-2002 | Limited | All Engines
            • 1996-2002 | SR5 | All Engines
            See more

            Toyota 4Runner Performance Replacement Dry Air Filter

            Best Seller
            $19.25 $36.29 You Save $17.04 (47%)
            Add to Cart
            Availability: In Stock
            Only from APW Rewards

            PUROLATOR PUROLATORONE AIR FILTERS

            Arm your ride with superior filtration and enjoy up to 11% improvement in acceleration with Purolator’s PurolatorONE air filters. With their multi-fiber, high-density media, these air filters are able to catch 99% percent of airborne particles that could otherwise damage the engine. Since 1923, Purolator has manufactured premium filters for the automotive aftermarket.

            • With multi-fiber, high-density media for protection against soot, dirt and dust
            • Protects the engine from premature damage and ensures better acceleration
            • Catches up to 99% of airborne particles and debris
            • Can improve acceleration by up to 11% (according to U.S. DOE study)
            • Compatible with a multitude of foreign and domestic vehicle makes and models
            • Brand SKU#: Purolator A35578
            • Style: Dry
            • Type: Particulate
            • Series: PurolatorONE
            • Quantity Sold: Sold individually
            • Warranty: 1-year Purolator limited warranty

            Fits the following Toyota 4Runner Years

            • 2003-2009 | Limited | 6 Cyl 4.0L
            • 2003-2009 | SR5 | 6 Cyl 4.0L
            • 2003-2009 | Sport | 6 Cyl 4.0L
            See more

            Welcome car repair expert! You've come to the right place to get affordable quality Mass Air Flow Sensor O-Rings for your Toyota 4Runner. Not an auto repair expert? That's not a problem. We've worked hard over 11 years designing a website experience that makes it easy for anyone to idenify whether parts fit their car. Just plur your Toyota 4Runner and Year into the Year Make Model selector above and when you search for a Mass Air Flow Sensor O-Ring Auto Parts Warehouse will only show you parts that fit your vehicle. It's that easy.

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