

Specifications
- Brand
- QuadBoss
- Part #
- 416593
- UPC
- 887337124414

QuadBoss 18-19 Polaris ACE 570 EFI Lower Ball Joint Kit
$91.12
QuadBoss heavy-duty steel lower ball joint kit. Replaces O.E.M. aluminum joints for improved durability.
Key Features
- Fits a wide range of Polaris RZR, Ranger, and Sportsman models.
- Heavy-duty steel cases with a POM-M90 bearing cup isolate the ball end for long life.
- Upgrades from O.E.M. aluminum joints to a more durable steel construction.
- Can be used as a replacement for worn A-arms or steering knuckles.
- Sold per A-arm and includes snap ring and cotter pin.
Product Details
If you're looking to replace a worn-out lower ball joint on your Polaris UTV, this QuadBoss kit is a solid option. It's designed to upgrade from the original aluminum joint to a much stronger steel one, which can help prevent premature failure. This kit is often used when an A-arm or steering knuckle would otherwise need replacement, saving you money on those bigger components.
Inside the heavy-duty steel case, you'll find a POM-M90 bearing cup that isolates the ball end. This design helps ensure a long service life and consistent performance. The kit is sold individually for one A-arm and includes the necessary snap ring and cotter pin to get the job done.
Specifications
- Brand
- QuadBoss
- Manufacturer Part #
- 416593
- UPC
- 887337124414
Frequently Asked Questions
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QuadBoss 18-19 Polaris ACE 570 EFI Lower Ball Joint Kit




