Autoparts Carburetor Replacement for Polaris 325/330 ATVs — Trail Boss/Trail Blazer Direct-Fit with Intake Boot

Autoparts carburetor replacement restores fuel delivery and throttle response for compatible Polaris 325 and 330 ATV models.

This aftermarket carburetor assembly is designed as a direct-fit replacement for a range of Polaris single-cylinder ATVs—models including the 1999–2002 325 series and multiple 330 variants from 2003–2013. Supplied with an intake boot and assorted mounting accessories, the unit aims to require minimal calibration while returning performance closer to factory standards. Before ordering, compare the part to your existing carburetor and confirm the listed fitment years to ensure compatibility.

Which Polaris models will this carburetor fit?

This Autoparts carburetor covers specific Polaris model years across the 325 and 330 platforms. Fitments include the Trail Boss 325 (1999–2002) and many ATP, Magnum, Trail Blazer, and Trail Boss 330 model years listed below.

• Polaris 325: 1999, 2000, 2001, 2002 (Trail Boss 325)
• Polaris 330: ATP 330 (2003–2005), Magnum 330 (2003–2006), Trail Blazer 330 (2008–2013 select years), Trail Boss 330 (2003–2013 select years)
• Confirm your old carb’s mounting pattern and linkage orientation to ensure a match

How difficult is installation and will I need adjustments?

The assembly is sold as an aftermarket direct replacement intended to minimize setup time. Many users report little to no jetting or idle adjustments are required, though basic tuning may be needed to match altitude or fuel differences.

• Includes intake boot and related accessories for a straightforward swap
• Basic tools required: screwdrivers, socket set, and pliers
• Check and replace gaskets or seals if your old parts are degraded

What comes in the package and which parts should I inspect?

The shipment contains the carburetor body, an intake boot, and a selection of mounting hardware and fittings. Inspect these components on arrival and compare them to the items removed from your ATV so you can reuse any still-serviceable clips or hoses.

• 1x complete carburetor assembly
• 1x intake boot to connect to the manifold
• Accessory kit with gaskets, clamps, and mounting fittings

Will this aftermarket part affect engine performance or reliability?

When matched correctly, an aftermarket replacement can restore responsiveness and steady idle like an original unit. Quality control varies between suppliers, so inspect for casting or machining defects and ensure fuel passages are clear before installation.

• Designed as a direct replacement to approximate OEM performance
• May require minor tuning for optimal throttle response and fuel economy
• Always verify fuel compatibility and clean fuel supply before use

Who is this for: This Autoparts carburetor replacement is intended for Polaris ATV owners, mechanics, and small repair shops looking to replace a worn or damaged carburetor on specific 325 and 330 models without sourcing an OEM part. It's ideal for riders who want a practical, ready-to-install aftermarket solution that includes the intake boot and mounting accessories, provided they confirm compatibility with their model year and perform routine checks after installation.