MAS Chassis AK8978 Alignment Caster / Camber Bushing - Front

Alignment Caster/Camber Bushing for Ford and Mazda

MAS Chassis AK8978 is a steel alignment caster and camber bushing made for specific front suspension applications. It is engineered as a direct replacement for OE-style alignment correction on Ford Super Duty, E-Series, Ranger, and select Mazda trucks and SUVs.

• Steel construction for durable suspension service
• Specific fit design for targeted vehicle applications
• Standard grade alignment sleeve
• Front suspension use
• Allows -2.00 degrees to +2.00 degrees of adjustment on listed applications
• Part number: AK8978

Detailed Product Overview

This MAS Chassis alignment caster/camber bushing is built to restore front-end alignment adjustment where factory settings are no longer sufficient. With an inside diameter of 21.25, outside diameter of 36.1, and height of 34, AK8978 is a steel alignment sleeve intended for precise suspension correction on vehicles such as the Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford E-350 Super Duty. It also serves select Ford Ranger, Ford Explorer, and Mazda B-series applications.

This part cross-references MOOG Chassis Products K8978 and Mevotech Supreme MK8978 for the same application. Use AK8978 when you need a front alignment caster/camber bushing for Ford and Mazda vehicles that require OE-style adjustment range and specific-fit replacement.

What This Part Helps Correct

• Front caster or camber settings that are out of specification
• Steering pull caused by alignment angle issues
• Tire wear related to incorrect front suspension geometry
• Alignment difficulty after suspension service or component replacement
• Restoring adjustment range on listed Ford and Mazda front suspensions

Installation Notes and Tips

Fits 2021-2023 Ford E-350 Super Duty, front; 2008-2019 Ford E-350 Super Duty, front; 2009-2023 Ford F-250 Super Duty, front; 2009-2023 Ford F-350 Super Duty, front; 2003-2014 Ford E-150, front; 2008-2014 Ford E-250, front; 2010-2014 Ford Econoline Van, front; 2010-2014 Ford Econoline Wagon, front; 2007-2008 Ford E-150 Econoline, front; 1992-2002 Ford E-150 Econoline, front; 2007-2008 Ford E-350 Econoline, front; 1992-2000 Ford E-350 Econoline, front; 1998-2008 Ford F-250, front; 1999-2008 Ford F-250 Super Duty, front; 1999-2008 Ford F-350, front; 1987-1997 Ford F-350, front; 1999-2008 Ford F-350 Super Duty, front; 2003-2007 Ford E-250, front; 1999-2007 Ford E-350 Super Duty, front; 2003-2005 Ford E-150 Club Wagon, front; 2003-2005 Ford E-350 Club Wagon, front; 2000-2005 Ford Excursion, front; 1999-2003 Ford Econoline, front; 1992-2002 Ford E-150 Econoline Club Wagon, front; 1992-2002 Ford E-250 Econoline, front; 1992-2002 Ford E-350 Econoline Club Wagon, front; 1997 Ford F-250, front; 1997 Ford F-250 HD, front; 1989-1997 Ford Ranger, front; 1994-1997 Mazda B2300, front; 1994-1997 Mazda B3000, front; 1994-1997 Mazda B4000, front; 1987-1996 Ford F-150, front; 1987-1996 Ford F-250, front; 1991-1994 Ford Explorer, front; 1991-1994 Mazda Navajo, front; 1989-1990 Ford Bronco II, front.

Because this is a specific-fit alignment component, verify the vehicle’s front suspension configuration before installation. Professional alignment service is recommended after replacement to confirm caster and camber settings are within specification.

Quality Assurance

MAS Chassis manufactures this alignment bushing as a precision-engineered replacement part and tests it for reliable service on the listed applications. The part is built to meet standard replacement expectations for front suspension alignment correction.