X4XZ K80631 Front Stabilizer Sway Bar End Links for Chevy GMC Cadillac H2 — Corrosion-Resistant, Iron Brackets

The X4XZ K80631 front stabilizer sway bar end links are direct-replacement suspension links engineered to restore steering stability and eliminate clunking for compatible Chevy, GMC, Cadillac and Hummer models.

These sway bar end links (OE K80631, replace OE K700539 and related numbers) are designed as a like-for-like replacement for many GM trucks and SUVs, offering corrosion-resistant finishes, durable iron brackets, and embedded rubber shims for consistent handling. They target common symptoms such as knocking or clicking from the front suspension, loose steering feel, and uneven tire wear caused by worn or failed links. Built to meet vehicle fit specifications, the parts are supplied without an instruction manual but are straightforward for a qualified DIYer or technician to install.

How will replacing these end links change how my vehicle handles?

New sway bar end links re-establish the connection between the anti-roll bar and suspension arms, reducing body roll and restoring predictable steering feedback. You should notice fewer noises over bumps and tighter cornering response when the links are performing properly.

• Reduces clunking or clicking during turns and over bumps.
• Improves lateral stability and cornering precision.
• Helps prevent uneven tire wear from uncontrolled roll.
• Embedded rubber shims damp vibration for smoother feedback.

Which vehicles and part numbers does K80631 fit?

This kit fits a broad range of GM platforms: Chevy, GMC and Cadillac trucks and SUVs, plus Hummer H2 models within specified years. The product replaces OE numbers K700539, 10385580, 12542993, 12546193, 15070821 and 15167767—verify fitment against your vehicle’s VIN or the second product image showing model years.

• Fits Chevy models including Silverado, Tahoe, Suburban, Blazer, Express and Astro variants.
• Compatible with GMC Sierra, Yukon, Savana and Safari vehicles listed in fitment.
• Also replaces links on 2003–2009 Hummer H2 and 1999–2006 Cadillac Escalade where specified.
• Check the second image or your OEM part number to confirm exact year/trim fit.

What materials and corrosion protection are used in this part?

The links have an electrophoresis coating for extended corrosion resistance and have passed a 120-hour salt spray test. Iron brackets replace rubber-mounted designs for greater durability, while embedded rubber shims maintain stability and reduce vibration transfer.

• Electrophoresis surface coating resists rust and corrosion.
• Iron bracket construction increases long-term durability.
• Embedded rubber shims stabilize movement and lower NVH (noise, vibration, harshness).
• Manufactured to match OEM dimensions for proper alignment and fit.

How easy is installation and what after-sales support is available?

Installation is typically straightforward for those with basic suspension experience and the correct tools; a professional mechanic can complete replacement quickly. The product ships without a printed manual, but X4XZ offers 24-hour customer service and a one-year product service period for installation or quality questions.

• Direct-replacement design for simplified installation.
• No printed instructions included—professional installation recommended if unsure.
• 24-hour customer support and one-year product service from X4XZ.
• OEM cross-reference numbers included for verification prior to purchase.

Who this is for: Drivers and technicians who need a reliable replacement front sway bar end link for Chevy, GMC, Cadillac or Hummer vehicles within the listed fitment ranges. Choose this part if you hear suspension knocks, experience loose steering feel, or need corrosion-resistant components that match OEM specifications for safer, more predictable handling.