SPI Lower Right A-Arm for Ski-Doo Some 2017-2020 Sleds Replaces OEM# 505073720

Lower Right A-Arm for Ski-Doo

This lower right A-arm for Ski-Doo models from 2017 to 2020 replaces OEM part number 505073720, designed as a direct-fit suspension component for snowmobiles.

Overview

This SPI lower right A-arm is a direct replacement for the OEM arm on select Ski-Doo snowmobiles from 2017-2020, including Renegade, Summit, and MXZ models where applicable. It restores proper suspension geometry and handling after wear or damage, and is built to OEM specifications for reliable performance.

Built For Performance

• Direct replacement for OEM part 505073720
• Constructed from heavy-duty steel with corrosion-resistant coating
• Precision-machined ball joints for smooth articulation
• Bolt-on installation without modifications
• Meets or exceeds OEM strength and durability standards

On-The-Job Use

• Trail riding and long-distance snowmobiling
• Mountain climbing and deep powder conditions
• Aggressive trail carving and cornering
• Replacing worn or damaged suspension arms during rebuild

Specs At A Glance

Good To Know

Q: Will this A-arm fit my specific Ski-Doo model? A: This arm fits select 2017-2020 Ski-Doo sleds; always check your model and serial number against the OEM 505073720 number before purchase.

Q: Do I need to replace both left and right arms at the same time? A: It is recommended to replace suspension components in pairs to maintain balanced handling, but a single arm can be replaced if only one side is damaged.

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