Air Duct Vent Tube Coolant Overflow for Polaris Trail Boss 350L 450L 90-96 5432336

Product Overview

This air duct vent tube coolant overflow part is a direct replacement for Polaris Trail Boss 350L and 450L ATVs manufactured from 1990 to 1996. It channels coolant overflow from the radiator to the overflow tank while also serving as a vent duct for the air intake system. Designed to restore proper cooling and venting function, this tube is essential for maintaining engine temperature and preventing coolant loss during operation.

Key Features & Performance

• Direct-fit replacement for OEM part number 5432336
• Constructed from durable, heat-resistant plastic to withstand coolant temperatures
• Pre-bent shape matches original routing for hassle-free installation
• Prevents coolant spillage by directing overflow to the reservoir
• Compatible with both liquid-cooled Trail Boss 350L and 450L engines

Fitment & Compatibility

• Polaris Trail Boss 350L (1990-1996)
• Polaris Trail Boss 450L (1990-1996)

Common Uses

• Replacing cracked or broken coolant overflow tubes on Polaris Trail Boss models
• Restoring proper coolant circulation and overflow management
• Repairing vent duct damage that causes air intake or coolant loss issues
• General maintenance of the cooling system on vintage Polaris ATVs

Technical Specifications

• Part Number(s): 5432336

Frequently Asked Questions

Q: Will this tube fit a Polaris Trail Boss 250? A: No, this part is specifically designed for the 350L and 450L models (1990-1996) and will not fit the Trail Boss 250.

Q: Is this the same as the radiator overflow hose? A: Yes, it functions as the coolant overflow tube, directing excess coolant from the radiator to the overflow tank.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.