Delphi TC4218 Suspension Ball Joint - Front Upper

Delphi TC4218 Front Upper Ball Joint

Delphi TC4218 is a front upper suspension ball joint built for Jeep and Dodge truck applications that need OE-style steering and suspension fitment. It is engineered using Delphi’s aftermarket steering expertise and validated through temperature, corrosion, and dimensional testing for consistent replacement performance.

Key Features

• Front upper suspension ball joint for listed Jeep and Dodge applications
• OE-focused dimensional and material analysis for fitment consistency
• Tested for extreme temperatures below -40 C and above 120 C
• Exposed to 720 hours of salt spray testing for corrosion resistance validation
• Delphi part number TC4218 for direct identification

Vehicle Fitment

• Fits 2018 Jeep Wrangler JK, front upper
• Fits 1997-2017 Jeep Wrangler, front upper
• Fits 1987-1995 Jeep Wrangler, front upper
• Fits 1997-2006 Jeep TJ, front upper
• Fits 1993-2004 Jeep Grand Cherokee, front upper
• Fits 1994-2001 Dodge Ram 1500, front upper
• Fits 1984-2001 Jeep Cherokee, front upper
• Fits 1994-1996 Dodge Ram 2500, front upper
• Fits 1993 Jeep Grand Wagoneer, front upper
• Fits 1986-1992 Jeep Comanche, front upper
• Fits 1984-1990 Jeep Wagoneer, front upper

This part cross-references MOOG Chassis Products K100311 and Mopar 68004085AA for the same application.

Detailed Description

Delphi TC4218 is a front upper ball joint for Jeep Wrangler, Jeep TJ, Jeep Cherokee, Jeep Grand Cherokee, Jeep Comanche, Jeep Wagoneer, Jeep Grand Wagoneer, and Dodge Ram 1500 and Ram 2500 applications listed above. It is built to match OE dimensions and material requirements so the replacement aligns with the original suspension geometry. For buyers searching for a front upper ball joint for 1997-2017 Jeep Wrangler, 1984-2001 Jeep Cherokee, or 1994-2001 Dodge Ram 1500, TC4218 provides a direct-reference option from Delphi.

Common Repair Uses

• Front suspension looseness or excess play
• Clunking or popping from the upper control arm area
• Uneven tire wear linked to worn steering and suspension joints
• Steering wander or reduced front-end stability
• Restoring proper front upper joint function on Jeep and Dodge platforms

Installation Notes and Tips

Verify the vehicle year, model, and front upper position before ordering. Compare the existing joint and mounting points to the OE reference and cross-reference numbers to confirm application match. After installation, inspect alignment settings and front suspension components to ensure the repair is completed correctly.

Quality Assurance

Delphi applies OE-focused engineering to its aftermarket steering portfolio and validates parts through temperature cycling, salt spray exposure, and dimensional analysis. That testing approach supports consistent fitment and durability for the listed Jeep and Dodge applications.