Moog K500166 Suspension Ball Joint - Rear Lower

Moog K500166 Rear Lower Ball Joint

MOOG K500166 is a press-in suspension ball joint built for rear lower applications on select Ford Expedition and Lincoln Navigator models. It uses a greaseable design, a neoprene boot, and a standard suspension grade construction to support dependable service and straightforward replacement work.

• Press-in mounting type for rear lower suspension service
• Greaseable design for routine lubrication maintenance
• Neoprene boot helps protect the joint from road contamination
• Castle nut included with cotter pin hole for secure fastening
• Standard suspension grade type for everyday repair use
• Maximum outside diameter: 2.550 in.

Fitment and Application

Fits 2007-2017 Ford Expedition, rear lower. Fits 2007-2014 Lincoln Navigator, rear lower. This MOOG K500166 ball joint is a direct-fit suspension replacement for rear lower service on these vehicles, including applications where the original and new pre-installed integral dust boot designs can be installed on the vehicle.

This part cross-references Centric Parts 610.65038 for the same application.

What It Helps Address

• Excessive looseness or play in the rear lower suspension joint
• Clunking or knocking from worn ball joint components
• Boot damage that can expose the joint to dirt and moisture
• Grease retention issues in serviceable suspension joints
• Fitment concerns during rear lower suspension replacement on Expedition and Navigator models

Installation Notes

MOOG K500166 uses a press-in mounting style, so proper suspension service tools are recommended for removal and installation. The included castle nut and cotter pin hole support secure fastening, and the greaseable design allows routine maintenance after installation. Verify rear lower fitment by model year before ordering.

Quality Assurance

MOOG ball joints are manufactured with tested materials and are built to deliver consistent performance in suspension repair applications. The brand’s problem-solving design approach focuses on easier installation and dependable fitment for service technicians and DIY repairs.