TRW Automotive JBJ154 Front Lower Ball Joint

The TRW Automotive JBJ154 is a premium suspension ball joint engineered to Original Equipment quality standards for Hyundai and Kia vehicles. This front lower ball joint is designed for both left and right side installation, providing a cost-effective replacement solution that restores steering and suspension performance to factory specifications.

Advanced Sealed-for-Life Design:

Unlike conventional greasable ball joints, the JBJ154 features a maintenance-free sealed design that protects internal components from water, road salt, and contaminants. The outer housing is manufactured using forged or cold-formed steel for exceptional strength and reliability under harsh operating conditions. The highly polished ball stud is encapsulated within a high-strength polymer bearing that provides smooth articulation and low-friction operation.

Key Technical Specifications:

• Thread Size: M12x1.5
• Cone Size: 17mm
• Cone Pitch: 1:8
• Fitting Position: Front axle left/right, lower, outer
• Non-greasable sealed design
• Includes dust boot and mounting hardware

Quality and Testing:

Every TRW ball joint undergoes four levels of testing, technical review, and audit procedures before approval, including rigorous endurance testing of 500,000 cycles. Long-lasting dust covers made from premium rubber compounds seal out moisture and debris, significantly extending component life. The low-friction polymer bearing design enhances damping characteristics while reducing heat generation for improved durability.

OEM Cross-Reference Numbers:

Hyundai: 54500-2F000, 54503-22000, 54503-22A00, 54503-25A00, 54503-31600, 54503-38A00, 54520-31600, 54530-0U000, 54530-25000, 54530-25A00, 54530-31600 | Kia: 54500-2F000, 54530-0U000, 54530-25000, 54530-2F000, 54530-31600

This replacement ball joint restores proper suspension geometry and steering response while meeting or exceeding OEM performance standards. Sold individually.