Choose a system to focus the catalog.
Drivetrain3 assembly groups
Clutch Cover A03ch42aa Ab A
Drive Clutch
Driven Clutch
Engine2 assembly groups
Controls Master Cylinder Brake Line
Rear Master Cylinder Foot Pedal
Electrical1 assembly groups
Electrical Taillight
Exhaust1 assembly groups
Exhaust System
Suspension & Wheels2 assembly groups
Front Wheel
Rear Wheel Drive
Body & Fittings3 assembly groups
Fuel Tank
Handlebar And Headlight Pod
Rear Cab And Seat
Other23 assembly groups
Aarm Strut Mounting
Air Box
Carburetor
Controlsthrottle Asm Cable
Cooling System
Decals
Drive Shaft
Engine Mounting
Frame Mounting
Front Brake
Front Cab
Front Housing
Front Rack And Bumper Mounting
Front Strut
Gear Selector
Gearcase
Oil Tank
Prop Shaft
Rear Caliper
Rear Rack Mounting
Rear Suspension
Steering Post
Tool Kit
2003 POLARIS SPORTSMAN-400-A03CH42AA-AB-AC OEM Parts Buying & Replacement Guide
Welcome to the 2003 polaris sportsman-400-a03ch42aa-ab-ac 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.
2003 POLARIS SPORTSMAN-400-A03CH42AA-AB-AC — Frequently Asked Questions
How many assembly groups are available for the 2003 polaris sportsman-400-a03ch42aa-ab-ac?
35 assembly groups are currently published for the 2003 polaris sportsman-400-a03ch42aa-ab-ac, covering components from Aarm Strut Mounting to Tool Kit.
Where can I buy OEM parts for the 2003 polaris sportsman-400-a03ch42aa-ab-ac?
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 2003 polaris sportsman-400-a03ch42aa-ab-ac?
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.