Westar AS-7037 Air Suspension Spring - Rear Left

Rear Left Air Suspension Spring for Toyota and Lexus

Westar AS-7037 is a rear left air suspension spring built for vehicles equipped with rear air spring suspension. It is designed to meet or exceed OEM specifications for quality, fit, and function, with performance that matches or exceeds OEM expectations for long service life and consistent ride control. This application covers the Toyota 4Runner and Lexus GX470 with rear air suspension.

Key Features

• Designed to meet or exceed OEM specifications for quality, fit, and function
• All-new part; Westar does not sell remanufactured units
• Built to deliver OEM-level performance and ride control
• Manufactured to strict industry standards, including ISO, QS, and TS requirements
• Direct replacement for rear left air spring applications on select Toyota and Lexus SUVs

Detailed Description

Westar AS-7037 is an air suspension spring for the rear left position on 2003-2011 Toyota 4Runner and 2003-2009 Lexus GX470 models equipped with rear air spring suspension. The part number AS-7037 is intended for buyers replacing a worn or leaking air spring in the rear suspension system, where maintaining proper ride height and stable handling is important. This part cross-references Arnott Industries A-2466 and Dorman 949-450 for the same application.

What This Part Helps Address

• Rear suspension sag or uneven ride height
• Air spring leakage that causes loss of support
• Harsh or inconsistent rear ride quality
• Warning signs from a failing rear air suspension system
• Reduced load-leveling performance in the rear left corner

Installation Notes and Tips

Compatible with 2003-2011 Toyota 4Runner, rear left, and 2003-2009 Lexus GX470, rear left, when equipped with rear air spring suspension. Confirm the vehicle’s suspension configuration and position before ordering. AS-7037 should be installed on the correct rear left location to maintain proper system operation and ride height.

Quality Assurance

Westar manufactures air suspension components to strict industry standards and states that its products are built to meet or exceed OEM requirements for fit, function, and durability. AS-7037 is a new replacement part, not a remanufactured unit.