SPI Lower Left A-Arm for Ski-Doo Some 2015-2018 Summit Replaces OEM# 505073438

Lower Left A-Arm for Ski-Doo

This SPI lower left A-arm replaces OEM part number 505073438 and is designed for select Ski-Doo Summit snowmobiles from 2015 to 2018, providing precise suspension control and durability on the trail.

Overview

The lower left A-arm is a critical front suspension component that connects the chassis to the spindle, allowing smooth steering and absorbing impacts. Designed as a direct replacement for the OEM 505073438, this SPI A-arm ensures a proper fit on 2015-2018 Ski-Doo Summit models. Built to withstand harsh winter conditions, it restores original handling and ride quality.

Built For Performance

• Constructed from heavy-duty steel for long-lasting strength
• Precision-welded joints resist cracking under stress
• Direct bolt-on design simplifies installation
• OEM-equivalent geometry maintains factory suspension travel
• Corrosion-resistant finish protects against snow and salt

Fits These Machines

• for Ski-Doo Summit 2015-2018 (select models)

On-The-Job Use

• Deep snow trail riding
• Mountain and backcountry terrain
• Aggressive riding requiring reliable suspension components

Specs At A Glance

Good To Know

Q: Will this A-arm fit my 2016 Ski-Doo Summit X? A: This SPI lower left A-arm is designed for select 2015-2018 Ski-Doo Summit models; please verify your specific chassis and serial number to ensure compatibility.

Q: Does it come with mounting hardware? A: This A-arm includes the arm only; reuse your existing bolts and bushings or purchase new hardware separately for best results.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.