Unity 31-173000 Air Spring to Coil Spring Conversion Kit - Front

Front Coil Spring Conversion for LR4 and Range Rover Sport

Unity 31-173000 is a front air spring to coil spring conversion kit for Land Rover LR3, LR4, and Range Rover Sport applications. It replaces front air/electronic strut assemblies with a pre-assembled complete strut assembly conversion setup for a direct suspension service solution.

Key Features

• Front position conversion kit for air spring to coil spring replacement
• Pre-assembled complete strut assembly conversion design
• Built to OEM specifications for suspension service fitment
• Application coverage for Land Rover LR3, LR4, and Range Rover Sport front suspension
• Unity Automotive part number 31-173000

Detailed Product Overview

Unity Automotive has more than 40 years of aftermarket suspension manufacturing experience, and the 31-173000 kit reflects that focus on replacement parts for vehicles with air or electronic front struts. This front conversion kit is made for Land Rover LR4, Range Rover Sport, and LR3 models that need a coil spring-based replacement for the original front suspension assembly. The product line is positioned around OEM-style construction and consistent fitment for suspension repair work. This part cross-references Westar CK-7865 for the same application.

Vehicle Fitment

• Fits 2010-2016 Land Rover LR4, front; pre-assembled complete strut assembly kit replacing air/electronic strut assemblies; heavy duty pre-assembled complete strut assembly conversion kit
• Fits 2006-2013 Land Rover Range Rover Sport, front; pre-assembled complete strut assembly kit replacing air/electronic strut assemblies; heavy duty pre-assembled complete strut assembly conversion kit
• Fits 2006-2009 Land Rover LR3, front; pre-assembled complete strut assembly kit replacing air/electronic strut assemblies; heavy duty pre-assembled complete strut assembly conversion kit
• Fits 2005 Land Rover LR3, front; pre-assembled complete strut assembly kit replacing air/electronic strut assemblies; pre-assembled complete strut assembly conversion kit

Common Repair Uses

• Front air strut failure on Land Rover LR4 models
• Replacement for worn or leaking front electronic strut assemblies on Range Rover Sport
• Conversion from air suspension front components to coil spring suspension service parts
• Repair of ride-height issues caused by aging front suspension components
• Service replacement for LR3 front suspension assemblies

Installation Notes and Tips

Install on the front suspension only. Confirm vehicle year, model, and original suspension configuration before ordering, especially on Land Rover LR3, LR4, and Range Rover Sport applications. Follow factory service procedures for suspension disassembly, torque specifications, and alignment checks after installation.

Quality Assurance

Unity Automotive builds suspension components to OEM specifications and supports its aftermarket product line with a customer satisfaction guarantee. The brand’s suspension focus and long-running manufacturing experience support consistent replacement quality for front suspension service.