GMC Sierra 2500HD Ball Joint - Upper - Cognito - Alpha PRO - `11-`25
GMC Sierra 2500HD Ball Joint - Upper - Cognito - Alpha PRO - `11-`25
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GMC Sierra 2500HD Ball Joint - Upper - Cognito - Alpha PRO - 11–25. Patented upper joint for Cognito press‑in style control arms.
Bootless scraper seal keeps debris out. Pre‑greased (Lithium Complex Grade 2) with a top grease fitting for easy service. Alloy steel internals—no plastic liner—pair with a carburized, coated taper pin for strong contact and high‑angle movement. Zinc‑plated housing and replacement billet cap included. For 2011–2025 Sierra 2500HD with Cognito press‑in UCAs.
Features
- U.S. Pat. 10,731,700
- Bootless, greaseable design with internal cavity
- Alloy steel internals; high‑angle, zinc‑plated assembly; no plastic liner
Questions? Austin at 512-982-9393 or Los Angeles at 562-981-6800. Installation and customization at both locations.
Multiple items? Ask about shipping discounts. We install on premises at both locations.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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