Delphi TC1979 Suspension Stabilizer Bar Link - Rear

Rear Suspension Stabilizer Bar Link for OE Fit

Delphi TC1979 is a rear suspension stabilizer bar link built as a standard replacement for select Chevrolet and Buick applications. It uses a black rubber bushing and a regular-grade design to support stable rear suspension performance on vehicles such as the Chevrolet Impala and Buick Regal.

Delphi applies OE-focused dimensional and material analysis to help match aftermarket fit and function to the original part. The TC1979 is also tested for extreme temperatures and salt exposure to reflect real-world underbody conditions.

Key Features

• Rear suspension stabilizer bar link for select GM vehicles
• Standard replacement, regular grade
• Black rubber bushing construction
• Non-greaseable design
• OE-oriented fitment analysis for compatibility
• Delphi part number TC1979

Detailed Description

Delphi TC1979 is a rear stabilizer bar link for suspension systems on vehicles including the 2014-2020 Chevrolet Impala, 2011-2015 Buick Regal, and 2010-2015 Buick LaCrosse with 4Link suspension. It is also listed for the 2016-2017 Buick Regal rear axle 4-link (GNC), 2016 Buick LaCrosse rear axle 4-link (GNC), 2016 Chevrolet Malibu Limited rear, 2013-2015 Chevrolet Malibu rear, and 2010 Buick Allure rear. This part number, TC1979, is built to match OE dimensions and material requirements for dependable rear suspension service.

This part cross-references MOOG Chassis Products K750521 for the same application.

What It Helps Address

• Rear suspension noise from a worn stabilizer bar link
• Excess play in the rear sway bar connection
• Uneven rear suspension response over bumps
• Clunking or looseness from deteriorated bushings
• Restoration of rear stabilizer bar linkage on GM sedans

Installation Notes and Tips

Install on the rear suspension position only. Verify the vehicle’s suspension layout and notes before ordering, especially on Buick LaCrosse and Buick Regal models with 4-link or rear axle 4-link (GNC) configurations. Confirm the existing link style and mounting points against the original part before installation.

Quality Assurance

Delphi uses OE-based engineering, dimensional checks, and material analysis to support fit and performance. The part is tested for temperatures below -40 degrees C and above 120 degrees C, and it is exposed to 720 hours of salt spray to evaluate durability in harsh conditions.