Primary Drive Clutch Assembly 1321976 for Polaris 1990 1991 1992 Trail Boss 350L

Primary Drive Clutch Assembly for Polaris

This primary drive clutch assembly replaces OEM part 1321976 on 1990 through 1992 Polaris Trail Boss 350L models, transferring engine power to the belt drive so the machine moves and accelerates reliably.

Overview

This primary drive clutch assembly is a direct-fit replacement for the worn or failed clutch on 1990, 1991, and 1992 Polaris Trail Boss 350L machines. It engages the drive belt as engine rpm rises, delivering smooth power transfer to the transmission. This primary drive clutch assembly is intended for riders and mechanics rebuilding tired Trail Boss 350L drivetrains.

Built For Performance

• Direct cross-reference to OEM part number 1321976
• Built to handle the torque loads of belt-drive ATV transmissions
• Balanced sheave assembly for consistent, smooth engagement
• Roller and weight design engineered for predictable clutch action
• Replacement unit restores slipping or sticking clutch symptoms

Fits These Machines

• for Polaris Trail Boss 350L 1990
• for Polaris Trail Boss 350L 1991
• for Polaris Trail Boss 350L 1992

On-The-Job Use

• Trail riding and recreational ATV use
• Farm and property chores with a utility ATV
• Drivetrain rebuilds and routine clutch replacement
• Restoring older Polaris Trail Boss models to running condition

Specs At A Glance

Good To Know

Q: How do I know my clutch needs replacing? A: Common signs include rpm flare without acceleration, belt slippage, or erratic engagement on a belt-driven ATV. A: A worn primary clutch can also cause the engine to rev high before the machine moves.

Q: Is this an original Polaris part? A: This is an aftermarket primary drive clutch assembly built to match OEM part 1321976. A: It is designed as a direct replacement for the original unit on compatible Trail Boss 350L models.

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