Land Rover Mass Air Flow Sensor - 1AEAF00055

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Vehicle Fit

This new mass air flow sensor is just what you need to get your vehicle in good running order again!


  • Brand New Sensor
  • Includes housing
  • Direct replacement
  • Replaces dealer part numbers: ERR5595, ERR5595A
  • Built to strict quality control standards

Installation Notes:

1. Make sure the air filter is in good condition and replace if necessary.
2. Clean out and inspect the intake hose when replacing this part. Moving the intake hose during replacement can loosen dirt which can then damage the new sensor.

This item is an electrical part. These units are tested prior to shipment.

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Note:  You may be required to reset the vehicle’s computer after installation of this part.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm -

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Move the air intake tube out of the way. (1:00)
    • Loosen the clamps and disconnect the tube with your screwdriver.
    • Unclip the radiator hose.
  2. step : Remove the air flow sensor (1:35)
    • Disconnect the wiring harness.
    • Remove the hose clamp and use a screwdriver to break the seal to pull off the air flow sensor.
  3. step : Install the new airflow sensor (2:40)
    • Transfer the seal ring to the new sensor.
    • Mount the airflow sensor and tighten the clamp.
    • Reconnect the wiring harness.
    • Reconnect the intake tube and clip the radiator hose on.

Tools needed for replacement:

    Screwdrivers & Related

  • Flat Blade Screwdriver

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Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Does it fit in a 1999 Land Rover Discovery 1 SD?
Donaldson M February 21, 2016
how to reset mass air flow for tundra
Michael W June 17, 2017
Francis B October 30, 2018
Year Make Model Description
1997Land Rover Defender 90 Land Rover Defender 90 Mass Air Flow Sensor V8 3.9L
1995-1998Land Rover Discovery Land Rover Discovery Mass Air Flow Sensor V8 4.0L
1999Land Rover Discovery Land Rover Discovery SD Mass Air Flow Sensor
1995-1998Land Rover Range Rover Land Rover Range Rover Mass Air Flow Sensor V8 4.0L
1995Land Rover Range Rover Land Rover Range Rover Mass Air Flow Sensor V8 4.2L
1996-1998Land Rover Range Rover Land Rover Range Rover Mass Air Flow Sensor V8 4.6L
Part #: 1AEAF00055

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(04:58 min)