Choose a system to focus the catalog.
Electrical2 assembly groups
Battery Box Assembly
Wiring Harness
Drivetrain3 assembly groups
Clutch Cover Assembly
Drive Clutch Assembly
Driven Clutch Assembly
Suspension & Wheels3 assembly groups
Front Wheel Assembly
Middle Wheel Assembly
Rear Wheel Drive Assembly
Body & Fittings1 assembly groups
Fuel Tank Assembly
Exhaust1 assembly groups
Muffler Mounting
Other24 assembly groups
Air Box Assembly
Control Assembly L H
Engine Mounting
Fan Assembly
Frame Assembly With Racks
Front Brake Assembly
Front Cab Assembly
Front Strut Assembly
Gearcase Assembly
Middle Axle Brake Assembly
Middle Drive Assembly
Oil Tank Assembly
Rear Brake Assembly
Rear Cab Assembly
Right Hand Gearcase And Brake Mounting
Right Hand Gearcase Brake Mounting
Shift Linkage Assembly
Steering Assembly
Swing Arm Weldment 4916361636027a
Swing Arm Weldment 4x6updated 4 89 4916361636026a
Swing Arm Weldment Middle 4x6 Updated 4 89
Swing Arm Weldment Rear
Tool Kit Assembly
Utility Dump Box Assembly
1989 POLARIS BIG-BOSS-W899627 OEM Parts Buying & Replacement Guide
Welcome to the 1989 polaris big-boss-w899627 OEM parts index. When performing routine maintenance or a major rebuild, getting the exact OEM part number is the key to avoiding a mis-matched purchase.
Most Frequently Replaced Groups
High-turnover components typically include the camshaft & timing chain tensioner, carburetor rebuild jets, CVT drive belt, and front A-arm ball joints.
Dual-Channel Comparison Advantage
Comparing Amazon Prime (next-day aftermarket rebuild kits) against eBay Motors (genuine salvage / discontinued OEM) helps you find the best value.
One-Click OEM Number Copy
Once inside an assembly's parts list, copy the OEM part number with one click and paste it straight into any marketplace search box.
1989 POLARIS BIG-BOSS-W899627 — Frequently Asked Questions
How many assembly groups are available for the 1989 polaris big-boss-w899627?
34 assembly groups are currently published for the 1989 polaris big-boss-w899627, covering components from Air Box Assembly to Wiring Harness.
Where can I buy OEM parts for the 1989 polaris big-boss-w899627?
Each assembly group on this page lists individual OEM part numbers with live pricing cross-checked against Amazon and eBay, so you can compare both marketplaces before buying.
How do I find the exact OEM part number for a component on the 1989 polaris big-boss-w899627?
Open the assembly group that contains the component you need — each part in that group is listed with its exact OEM number, which guarantees fitment regardless of which marketplace you buy from.