KYB 3440160 Suspension Shock Absorber - Rear

KYB Excel-G Rear Shock for Buick LaCrosse

The KYB Excel-G rear shock absorber is built to restore original ride control on the 2017-2019 Buick LaCrosse with rear suspension and without Electronic Controlled Suspension. Part number 3440160 is a nitrogen gas-charged, twin-tube shock made on KYB OE assembly lines using OE-quality components.

For drivers searching for a rear shock absorber for 2017-2019 Buick LaCrosse, KYB 3440160 is calibrated to return factory-style stability, stopping response, lane-change control, and handling balance.

Excel-G Product Line Details

KYB Excel-G is the brand’s OE-style replacement line for shocks and struts. It is built to match original suspension performance rather than alter ride height or handling character, making it a direct choice for restoring the vehicle’s intended road feel.

Key Features

• Fits 2017-2019 Buick LaCrosse, rear, without Electronic Controlled Suspension
• Part number 3440160
• Nitrogen gas-charged, twin-tube design
• OE-quality construction made on KYB OE assembly lines
• Compressed length: 14.37 in.
• Extended length: 20.67 in.
• Stroke length: 6.3 in.
• Lower mount type: E2 (12x58)
• Upper mount type: S1 (10 mm)

Detailed Description

KYB 3440160 is a rear suspension shock absorber engineered for the 2017-2019 Buick LaCrosse, rear position, with no Electronic Controlled Suspension. It uses a twin-tube, nitrogen gas-charged design and OE-quality components to restore the vehicle’s original ride control characteristics. The mounting dimensions and stroke specifications help ensure the shock matches the intended suspension travel and fitment requirements for this application.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Excessive rear-end bounce after bumps
• Reduced stability during lane changes
• Longer stopping feel caused by worn rear shocks
• Loose or unsettled rear suspension response
• Uneven handling balance on the Buick LaCrosse

Installation Notes and Tips

Confirm the vehicle is a 2017-2019 Buick LaCrosse with rear suspension and without Electronic Controlled Suspension before ordering. Match the upper and lower mount types, compressed length, extended length, and stroke length to the original part during replacement. Inspect related suspension components such as mounts and bushings for wear before installation.

Quality Assurance

KYB is a major OE shock and strut supplier, and Excel-G is produced on the same KYB OE assembly lines using OE-quality components. The 3440160 is classified by KYB as Original Equipment for the Aftermarket (OEA), reflecting its OE-style replacement focus for the Buick LaCrosse rear suspension.