Delphi TC1689 Rear Upper Suspension Ball Joint Press-In

The Delphi TC1689 is a rear upper, press-in suspension ball joint engineered to OE specifications for a direct-fit replacement. Built with the same standards Delphi applies to original equipment parts supplied to vehicle manufacturers worldwide, this ball joint delivers reliable performance and long service life.

Key Features:

• High-quality forgings — manufactured from high-grade alloy steel (SAE 5140 ball, SAE 1040 carbon steel housing) for superior strength and smooth operation
• Micron-tolerance machining — machined to 0.001 mm tolerances to guarantee precise fit and durable joint function
• Chloroprene rubber dust boot — protects internal components from road dirt, water, salt, and other contaminants for longer service life
• Cataphoretic anti-corrosion coating — environmentally friendly coating provides long-lasting rust and corrosion protection
• 100% crack-tested ball pin — every ball pin is individually tested for flaw-free material integrity
• Polyoxymethylene nylon ball-pin seat — coated nylon seat ensures smooth, consistent movement and extended lifetime
• High-specification grease — sealed and lubed for life, reducing maintenance requirements and improving grease retention
• Extreme temperature tested — validated for performance from below -40°C to over 120°C
• 720-hour salt spray tested — exceeds corrosion resistance standards for long-term durability

Specifications:

• Position: Rear Upper
• Mounting Type: Press-In
• Ball Material: Alloy Steel SAE 5140
• Housing Material: Carbon Steel SAE 1040
• Maximum Outside Diameter: 1.555 in (39.50 mm)
• Length: 2.830 in (72.00 mm)
• Height: 2.835 in (72.01 mm)
• Stud Thread Diameter: 10 mm (0.39 in)
• Stud Thread Pitch: 1.25 mm
• Stud Taper Per Foot: 0.1 in
• Greasable: No (sealed for life)

What's Included:

• Ball joint assembly
• Dust boot
• Castle nut
• Cotter pin

The Delphi TC1689 is backed by a limited lifetime warranty and is sold individually. UPC: 689604276068.