Walker Products 245-1128 mass air flow sensor for the 1998 Subaru Forester H4 2.5L and other vehicles measures incoming air for the ECU. Its calibration is built to meet or exceed OE long-term fuel trim percentages.
- Programmed and tested for fit, form and function before being sold
- Calibrations go through 100% production testing and are verified with on-vehicle testing
- Custom-tuned flow characteristics across the full flow spectrum, matched to the vehicle
- Custom engineered circuit boards and programming
- Accurate air flow readings help the ECU optimize the air-fuel mix
Quick facts
- Part: Walker Products 245-1128 mass air flow sensor
- Fits: 1998 Subaru Forester H4 2.5L and other vehicles
- Condition: New
A failing mass air flow sensor can show up as hesitation, a rough idle or a check engine light. A vacuum leak, a restricted air intake or a fuel delivery fault can be behind these signs too, so find the cause before buying a sensor.
Fits
This mass air flow sensor also fits the 1990-1998 Subaru Legacy H4 2.2L and the 1996-1999 Legacy H4 2.5L, along with the 1993-1997 Subaru Impreza H4 1.8L, the 1995-1998 Impreza H4 2.2L and the 1998 Impreza H4 2.5L.
Specifications
Fit and size
- Quantity per vehicle: 1
- Connector: female, 4 terminals
Build and materials
- Type: sensor assembly with housing
- Condition: New
- Country of origin: China
In the box
One mass air flow sensor assembly with its housing; the vehicle takes one. Mounting hardware is not included, so plan on new fasteners, since the old ones may not be reusable.
Installation notes
- The housing helps keep the connector air tubes clean and protects the sensor.
- Oils on your hands, or even air pollution, can damage the sensor itself.
- Designed for straightforward installation to keep vehicle downtime short.
Interchange: 158-1071 · 74-10034 · 64-1655 · 917-801 · 4M-1062
7R1 · 5S2861 · 221003M · MF20070 · MF21003 · MF21003N · AF10200 · MAF0090 · MAF0096 · 22680AA160 · MAS0146 · MA141 · MA178 · SU5101
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
7R1, 5S2861, 221003M, 158-1071, MF20070, MF21003, MF21003N, 74-10034, 64-1655, 641655, AF10200, 917-801, MAF0090, MAF0096, 22680AA160, 4M-1062, MAS0146, MA141, MA178, SU5101
Frequently Asked Questions
Is this maf sensor made for the 1998 Subaru Forester H4 2.5L?
Yes. Walker Products 245-1128 is listed for the 1998 Subaru Forester H4 2.5L, which takes one sensor.
Does an air flow sensor for the 1998 Subaru Forester H4 2.5L come with the housing?
Yes. The Walker 245-1128 is a sensor assembly with the housing included. Mounting hardware is not included.
How many terminals does this Walker Products mass air flow sensor have?
This sensor has four terminals and a female connector.
Can oil from my hands damage this mass air flow sensor?
Yes. Skin oils and even air pollution can damage the sensor itself; the housing in this assembly helps protect it.
Is 22680AA160 an interchange number for Walker 245-1128?
Yes. 22680AA160 is one of the numbers the Walker Products 245-1128 sensor replaces, along with 7R1 and SU5101.
