Dorman 539-745 Suspension Ball Joint - Front Lower

Dorman 539-745 Front Lower Ball Joint

Dorman 539-745 is a bolt-in suspension ball joint engineered as a standard replacement for the original equipment part on select Acura and Honda models. It is built from steel and includes a dust boot, castle nut, cotter pin, and mounting hardware for a direct-service repair on the front lower suspension.

Key Features

• Steel construction for suspension service
• Bolt-on, bolt-in mounting type
• Standard replacement grade
• Dust boot included
• Castle nut and cotter pin included
• Tapered stud design
• Three mounting holes with 12 mm mounting hole diameter
• 21 mm wrench size
• Grease fitting not included; non-greaseable design

Detailed Description

This Dorman suspension ball joint is precision-engineered and tested for reliable OE-style replacement on the front lower suspension. It is designed for 2023-2024 Acura Integra, 2016-2024 Honda Civic, and 2019-2022 Honda Insight applications, making it a direct-fit service part for common front-end wear repairs. The part number 539-745 is a practical choice when replacing a worn ball joint on a Honda Civic front lower suspension or servicing an Acura Integra front lower joint.

Built with a steel body and black finish, this assembly includes a dust boot to help protect the joint from road contamination. The tapered stud, cotter pin hole, and included castle nut support secure installation in the front lower position. This part cross-references MOOG Chassis Products (e.g., K500366, K500460) for the same application.

What It Helps Fix

• Front-end clunking or popping from a worn lower ball joint
• Excessive play in the front suspension
• Uneven tire wear related to suspension looseness
• Steering wander or imprecise road feel
• Inspection failure caused by ball joint wear

Installation Notes and Tips

Fits 2023-2024 Acura Integra, front lower. Fits 2016-2024 Honda Civic, front lower. Fits 2019-2022 Honda Insight, front lower. Verify the mounting style, stud taper, and front lower application before installation. Use the included castle nut and cotter pin during assembly, and torque fasteners to the vehicle manufacturer’s specifications. Because this is a non-greaseable design, no grease fitting service is required.

Quality Assurance

Dorman designs this replacement ball joint to meet standard suspension service requirements and subjects it to testing for dependable fit and function on the listed vehicles. Part number 539-745 is intended as a direct replacement for the original equipment configuration on the specified Acura and Honda applications.