Unity 15311 Suspension Strut and Coil Spring Assembly - Rear Left

Rear Left Strut Assembly for Impala, Allure, LaCrosse, Grand Prix

Unity 15311 is a pre-assembled rear left suspension strut and coil spring assembly built for direct replacement on select Chevrolet, Buick, and Pontiac applications. It arrives fully assembled for plug-and-play installation, helping reduce the time and steps involved in a rear suspension service.

Key Features

• Pre-assembled complete strut assembly with coil spring, top mount, and related components
• Ready to install for direct rear left suspension replacement
• Built to OEM specifications for proper fit and function
• Compressed length: 15.53 in; travel length: 7.56 in; extended length: 23.09 in
• Body length: 15.42 in
• Economy-grade replacement for everyday repair needs
• Cross-references OE part numbers 22064774 and 88965469 for the same application

Product Details

This Unity suspension strut and coil spring assembly is engineered for the rear left position on 2000-2013 Chevrolet Impala, 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, and 2004-2008 Pontiac Grand Prix. The Unity 15311 is a direct-fit replacement for vehicles that need a fully assembled rear strut solution, with dimensions and construction aligned to OEM-style service requirements. Unity Automotive brings more than 40 years of aftermarket suspension manufacturing experience and offers parts built to meet OEM specifications.

What This Part Helps Address

• Rear suspension noise from a worn strut assembly
• Excessive bouncing or reduced damping control
• Uneven rear ride height caused by a fatigued coil spring
• Clunking or looseness from a deteriorated top mount
• Time-consuming strut rebuilds during suspension repair

Installation Notes and Fitment

Compatible with 2000-2013 Chevrolet Impala, rear left; excludes 17" and 18" wheels, police, and taxi models. Compatible with 2005-2009 Buick Allure, rear left; excludes 17" and 18" wheels, police, and taxi models. Compatible with 2005-2009 Buick LaCrosse, rear left; excludes 17" and 18" wheels, police, and taxi models. Compatible with 2004-2008 Pontiac Grand Prix, rear left; excludes 17" and 18" wheels, police, and taxi models.

Verify wheel size and vehicle use before ordering, since excluded configurations do not use this assembly. The fully assembled design supports a straightforward replacement process compared with rebuilding a strut from separate components.

Quality Assurance

Unity Automotive manufactures aftermarket suspension parts to OEM specifications and supports its product line with a customer satisfaction guarantee. Part number 15311 is part of Unity’s suspension lineup developed from decades of aftermarket experience and a broad catalog of application-specific assemblies.