SKP SK521888K979 Suspension Control Arm

Name: SKP SK521888K979 Suspension Control Arm
Brand: SKP
SKU: GQLW-SK521888K979
Price: 177.71 USD
Availability: InStock

60 vehicles fit this part

Select your vehicle to confirm fitment

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab, 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT

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Not what you need? See all Suspension Control Arm options

Suspension Control Arm for GM SUV Applications

The SKP Suspension Control Arm restores proper suspension geometry for select Chevrolet, GMC, Buick, Oldsmobile, Isuzu, and Saab vehicles. Built for a precise fit, SK521888K979 helps maintain wheel alignment, steering response, and ride quality on high-mileage platforms such as the Chevrolet Trailblazer and GMC Envoy.

High-strength steel construction for structural durability
Corrosion-resistant finish for added protection in harsh road conditions
OE-style replacement for restoring suspension alignment
Direct-fit application for select 2002-2008 GM SUV platforms
Cross-references Dorman OE Solutions 521-888 and MOOG RK660157

Detailed Product Overview

SKP SK521888K979 is a suspension control arm engineered to replace worn factory components that can affect handling and tire wear. It is used on select 2002-2008 Chevrolet Trailblazer, 2002-2008 GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2008 Saab 9-7x, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada applications. If you are searching for a suspension control arm for a 2002-2008 Chevrolet Trailblazer or a replacement control arm for a GMC Envoy, this part number is a direct-fit option for those platforms.

Common Issues This Part Addresses

Uneven or accelerated tire wear caused by worn suspension geometry
Loose or imprecise steering feel
Clunking or play from a fatigued control arm
Alignment instability after suspension wear
Reduced ride control on GM SUV chassis applications

Installation Notes and Tips

Install this control arm as part of a proper suspension inspection and wheel alignment service. Verify vehicle application by year, make, and model before ordering SK521888K979, and confirm the existing control arm matches the intended replacement point on the vehicle. After installation, a professional alignment is recommended to restore correct suspension settings.

Quality Assurance

SKP builds this control arm from high-strength steel and applies a corrosion-resistant coating to help it withstand everyday road exposure. The design focuses on fitment accuracy and long-term service on select Chevrolet Trailblazer, GMC Envoy, and related GM SUV applications.

This part fits 60 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position
2008	Chevrolet	Trailblazer	4.2L	L6	N/A
2008	Chevrolet	Trailblazer	6.0L	V8	N/A
2008	Chevrolet	Trailblazer	5.3L	V8	N/A
2008	GMC	Envoy	4.2L	L6	N/A
2008	GMC	Envoy	5.3L	V8	N/A
2008	Isuzu	Ascender	4.2L	L6	N/A
2008	Saab	9-7x	4.2L	L6	N/A
2008	Saab	9-7x	5.3L	V8	N/A
2007	Buick	Rainier	4.2L	L6	N/A
2007	Buick	Rainier	5.3L	V8	N/A
2007	Chevrolet	Trailblazer	4.2L	L6	N/A
2007	Chevrolet	Trailblazer	6.0L	V8	N/A
2007	Chevrolet	Trailblazer	5.3L	V8	N/A
2007	GMC	Envoy	4.2L	L6	N/A
2007	GMC	Envoy	5.3L	V8	N/A
2007	Isuzu	Ascender	4.2L	L6	N/A
2007	Saab	9-7x	4.2L	L6	N/A
2007	Saab	9-7x	5.3L	V8	N/A
2006	Buick	Rainier	4.2L	L6	N/A
2006	Buick	Rainier	5.3L	V8	N/A
2006	Chevrolet	Trailblazer	4.2L	L6	N/A
2006	Chevrolet	Trailblazer	6.0L	V8	N/A
2006	Chevrolet	Trailblazer	5.3L	V8	N/A
2006	Chevrolet	Trailblazer EXT	4.2L	L6	N/A
2006	Chevrolet	Trailblazer EXT	5.3L	V8	N/A
2006	GMC	Envoy	4.2L	L6	N/A
2006	GMC	Envoy	5.3L	V8	N/A
2006	GMC	Envoy XL	4.2L	L6	N/A
2006	GMC	Envoy XL	5.3L	V8	N/A
2006	Isuzu	Ascender	4.2L	L6	N/A
2006	Isuzu	Ascender	5.3L	V8	N/A
2006	Saab	9-7x	4.2L	L6	N/A
2006	Saab	9-7x	5.3L	V8	N/A
2005	Buick	Rainier	4.2L	L6	N/A
2005	Chevrolet	Trailblazer	4.2L	L6	N/A
2005	Chevrolet	Trailblazer EXT	4.2L	L6	N/A
2005	GMC	Envoy	4.2L	L6	N/A
2005	GMC	Envoy XL	4.2L	L6	N/A
2005	GMC	Envoy XUV	4.2L	L6	N/A
2005	Isuzu	Ascender	4.2L	L6	N/A
2005	Saab	9-7x	4.2L	L6	N/A
2004	Buick	Rainier	4.2L	L6	N/A
2004	Chevrolet	Trailblazer	4.2L	L6	N/A
2004	Chevrolet	Trailblazer EXT	4.2L	L6	N/A
2004	GMC	Envoy	4.2L	L6	N/A
2004	GMC	Envoy XL	4.2L	L6	N/A
2004	GMC	Envoy XUV	4.2L	L6	N/A
2004	Isuzu	Ascender	4.2L	L6	N/A
2004	Oldsmobile	Bravada	4.2L	L6	N/A
2003	Chevrolet	Trailblazer	4.2L	L6	N/A
2003	Chevrolet	Trailblazer EXT	4.2L	L6	N/A
2003	GMC	Envoy	4.2L	L6	N/A
2003	GMC	Envoy XL	4.2L	L6	N/A
2003	Isuzu	Ascender	4.2L	L6	N/A
2003	Oldsmobile	Bravada	4.2L	L6	N/A
2002	Chevrolet	Trailblazer	4.2L	L6	N/A
2002	Chevrolet	Trailblazer EXT	4.2L	L6	N/A
2002	GMC	Envoy	4.2L	L6	N/A
2002	GMC	Envoy XL	4.2L	L6	N/A
2002	Oldsmobile	Bravada	4.2L	L6	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

521-888RK660157

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.