Delphi TC2217 Suspension Ball Joint - Front Upper

OE-Style Front Upper Ball Joint

Delphi TC2217 is a standard replacement suspension ball joint for front upper applications on select GM and Saab platforms. It is built with OE-focused dimensional and material analysis to support proper fitment on vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x.

Delphi tests steering and suspension components across extreme temperature and corrosion conditions, helping this front upper ball joint meet the demands of daily driving and harsh road exposure. The Delphi TC2217 includes the ball joint assembly, dust boot, castle nut, cotter pin, nuts, and mounting hardware specified in the product data.

• Brand: Delphi
• Part number: TC2217
• Suspension ball joint for front upper placement
• Standard replacement, non-adjustable design
• Steel construction with gray finish
• Dust boot material: chloroprene rubber (CR)
• Tapered threaded stud design
• Castle nut and cotter pin included
• Mounting hardware included per product data
• Greaseable: No; grease fitting included: No

Detailed Application and Design

This Delphi TC2217 front upper ball joint is engineered for direct replacement service on 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2003-2008 Isuzu Ascender, 2004-2007 Buick Rainier, 2003-2006 Chevrolet SSR, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada. This part cross-references MOOG Chassis Products K6664 for the same application. Delphi TC2217 is built for OE compatibility through detailed dimensional and material checks, and it is tested for temperature extremes below -40 C and above 120 C, plus extended salt-spray exposure for corrosion resistance validation.

Common Problems This Part Can Address

• Front suspension looseness or play at the upper control arm connection
• Clunking or knocking noises from the front suspension over bumps
• Uneven tire wear caused by worn ball joint articulation
• Steering wander or imprecise front-end response
• Inspection failure due to excessive suspension joint movement

Installation Notes and Tips

Verify vehicle year, make, model, and front upper position before installation. Inspect the mating control arm, fasteners, and surrounding suspension components for wear or damage before pressing or bolting in the new joint. Follow factory torque specifications and alignment procedures after installation to restore proper suspension geometry.

Quality Assurance

Delphi applies OE safety technology and aftermarket steering expertise to this suspension ball joint. The TC2217 is validated through extreme-temperature testing, salt-spray exposure, and dimensional/material analysis to support consistent fit and OE-style performance on the listed applications.