SKP SK18B4804 Disc Brake Caliper - Rear Left

Rear Left Brake Caliper for Trailblazer and Envoy

Restore rear braking performance with this SKP disc brake caliper, part number SK18B4804. It is a rear left application for select GM and related SUVs and cross-references common replacement numbers for the same fitment.

• Disc brake caliper for the rear left position
• Supplied with mounting bracket
• Direct fit for select Chevrolet Trailblazer and GMC Envoy applications
• Also fits Saab 9-7x, Isuzu Ascender, Buick Rainier, Chevrolet SSR, Trailblazer EXT, Envoy XL, Envoy XUV, and Oldsmobile Bravada
• Cross-references BBB Industries 99-17320A and Nugeon 99P17320A

Fitment Details

• Fits 2002-2009 Chevrolet Trailblazer, rear left.
• Fits 2002-2009 GMC Envoy, rear left.
• Fits 2005-2009 Saab 9-7x, rear left.
• Fits 2003-2008 Isuzu Ascender, rear left.
• Fits 2004-2007 Buick Rainier, rear left.
• Fits 2003-2006 Chevrolet SSR, rear left.
• Fits 2002-2006 Chevrolet Trailblazer EXT, rear left.
• Fits 2002-2006 GMC Envoy XL, rear left.
• Fits 2004-2005 GMC Envoy XUV, rear left.
• Fits 2002-2004 Oldsmobile Bravada, rear left.

What This Caliper Helps Address

• Uneven rear brake pad wear on the left side
• Brake drag caused by a sticking caliper
• Reduced braking response from a leaking or worn hydraulic caliper
• Poor parking brake or rear brake performance tied to caliper wear
• Noise or vibration related to caliper condition

Installation Notes

Verify rear left position and match the vehicle application before installation. This SK18B4804 caliper is listed with a mounting bracket, which helps simplify replacement on the specified Trailblazer, Envoy, and related platforms. Always inspect pads, rotors, and brake fluid condition during caliper service.

Quality Assurance

SKP replacement brake hydraulics are cataloged for direct-fit service on the listed applications. Confirm part number SK18B4804 against the vehicle before ordering.