Walker 245-1395 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Mini

Walker Mass Air Flow Assembly 245-1395 is a direct-fit engine management replacement for select Mini Cooper, Mini Cooper Countryman, and Mini Cooper Paceman applications. It is built with a housing included and a 4-terminal female connector for a service-ready fit on the listed vehicles.

Key Features

• Mass air flow sensor assembly for emission control and engine management service
• Housing included for a complete assembly replacement
• 4-terminal female connector
• Fits select 2010-2017 Mini Cooper, Mini Cooper Countryman, and Mini Cooper Paceman applications
• Walker part number 245-1395 for catalog and service matching

Walker Mass Air Flow Assembly Line

The Walker Mass Air Flow Assembly line is part of Walker Products’ engine sensor offering, backed by in-house manufacturing, product management, and engineering support. Walker has supplied fuel system and engine management components since 1946 and builds products to meet or exceed OEM standards and specifications for aftermarket service.

This part cross-references Standard Ignition MAS0355 for the same application.

Detailed Description

Walker 245-1395 is a mass air flow sensor assembly for Mini models that require a complete assembly with the housing included. It is listed for 2010 Mini Cooper, 2011-2016 Mini Cooper Countryman, 2011-2016 Mini Cooper, 2012-2015 Mini Cooper, 2013-2016 Mini Cooper Paceman, and 2017 Mini Cooper Countryman. For 2011 Mini Cooper and 2011 Mini Cooper Countryman, the fitment applies to vehicles manufactured after May 2011. Use this Walker Mass Air Flow Assembly when replacing a failed sensor on a Mini Cooper Countryman or Mini Cooper platform and when the original connector style matches the 4-terminal female design.

What It Helps Address

• Rough idle caused by inaccurate airflow measurement
• Check engine light related to mass air flow sensor faults
• Hesitation or poor throttle response during acceleration
• Fuel trim issues from incorrect air metering data
• Driveability problems after sensor or housing wear

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. This assembly uses a female connector with four terminals and does not include mounting hardware. Confirm the vehicle build date for 2011 Mini Cooper and 2011 Mini Cooper Countryman applications, since fitment is limited to models manufactured after May 2011. Always inspect the intake tract for contamination or air leaks before installing a new mass air flow sensor assembly.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and supports its engine sensor products with manufacturing, application data, and technical support resources. Walker 245-1395 is produced to meet or exceed OEM standards and specifications for the listed Mini applications.