Front Lower Ball Joint for 2003-2005 Lincoln Aviator - Delphi TC5598

Keep steering tight and suspension movement controlled with the Delphi ball joint TC5598, a direct-fit front lower ball joint for the 2003-2005 Lincoln Aviator. This pivot connects the front lower control arm to the steering knuckle, allowing the wheel to steer and the suspension to travel while supporting the load path through the corner. If a worn joint is behind your clunking, uneven tire wear, or loose steering, this Delphi unit replaces it.

• Forged construction: Manufactured with high-quality forgings for increased strength and smooth operation.
• Chloroprene rubber boot: Uses a chloroprene rubber boot to improve durability and help prevent premature failure.
• Micron-tolerance machining: Machined to micron tolerances for durable, smooth joint operation.
• Anti-corrosion protection: Anti-corrosion protection applied to each part for corrosion prevention and enhanced appearance.

Built on Delphi's OE expertise, this aftermarket steering part is tested to the extreme — withstanding temperatures below -40 degrees C and over 120 degrees C and 720 hours of salt spray — with extensive dimensional and material analysis for close OE-to-aftermarket compatibility. Inspecting both sides of the axle and replacing the ball joints together is recommended for balanced steering.

Interchange: 611.65003 · 3C5Z 3078-AA · 3C5Z 3079-AA
61165003 · 3C5Z3078AA · 3C5Z3079AA · BJ86375 · BJ86375PR · K500108 · MK500108 · JBJ271

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