Moog K8546 Suspension Ball Joint - Front Upper

Moog K8546 Front Upper Ball Joint

Moog K8546 is a press-in suspension ball joint for select Ford, Mazda, and Bronco II applications with Dana 35 axle pinch bolt stud design. Built with neoprene material, a greaseable design, and a standard suspension grade type, it is made for dependable steering and suspension service on the front upper position.

Key Features

• Press-in mounting type for the front upper suspension location
• Greaseable design for routine lubrication service
• Neoprene material
• Standard suspension grade type
• Maximum outside diameter: 1.880 in.
• No castle nut included
• No cotter pin hole
• No adjustable feature

Detailed Product Overview

The Moog K8546 ball joint is engineered for front upper suspension service on 1990-1993 Ford Bronco II, Ford Explorer, Ford Ranger, and Mazda Navajo applications listed below. It is intended for vehicles with the Dana 35 axle and pinch bolt stud design, and the powdered-metal gusher bearing helps grease penetrate bearing surfaces during maintenance. This part cross-references Dorman OE Solutions 536-520 for the same application. The K8546 part number is also listed among common interchange references for OE-style replacement searches.

Vehicle Fitment

• Fits 1993 Ford Explorer, Front Upper — Thru 1/10/93 with Dana 35 Axle pinch bolt stud design; includes powdered-metal gusher bearing to allow grease to penetrate bearing surfaces.
• Fits 1993 Ford Ranger, Front Upper — Thru 1/10/93 with Dana 35 Axle pinch bolt stud design; includes powdered-metal gusher bearing to allow grease to penetrate bearing surfaces.
• Fits 1993 Mazda Navajo, Front Upper — Thru 1/10/93; pinch bolt stud design; includes powdered-metal gusher bearing to allow grease to penetrate bearing surfaces.
• Fits 1991-1992 Ford Explorer, Front Upper — Fits Dana 35 axle with pinch bolt stud design; features powdered-metal gusher bearing for grease penetration.
• Fits 1990-1992 Ford Ranger, Front Upper — Fits Dana 35 axle with pinch bolt stud design; features powdered-metal gusher bearing for grease penetration.
• Fits 1991-1992 Mazda Navajo, Front Upper — Pinch bolt stud design; includes powdered-metal gusher bearing to allow grease to penetrate bearing surfaces.
• Fits 1990 Ford Bronco II, Front Upper — Fits Dana 35 axle with pinch bolt stud design; features powdered-metal gusher bearing for grease penetration.

Common Issues This Part Can Address

• Front suspension looseness at the upper ball joint
• Steering play caused by worn joint surfaces
• Grease retention problems in serviceable suspension joints
• Noise or clunking from the front upper suspension area
• Wear-related handling issues on Dana 35 axle applications

Installation Notes

Confirm Dana 35 axle and pinch bolt stud design before ordering. This is a press-in ball joint, so proper suspension service tools and alignment procedures are recommended after installation. Verify the front upper position and vehicle build date for 1993 applications, since fitment is limited to vehicles through 1/10/93.

Quality Assurance

Moog ball joints are backed by material selection and testing standards focused on consistent service life and installation fit. The greaseable design and gusher bearing construction support routine maintenance on the specified Ford Explorer, Ford Ranger, Mazda Navajo, and Bronco II applications. The K8546 part number is used for OE-style replacement searches across these fitments.