Cylinder Piston Gasket Top End Kit for HiSUN UTV ATV MSU400 YS400 84.34mm Bore

Product Overview

This aftermarket replacement top end kit is intended for the listed HiSUN UTV and ATV 400 applications and includes a cylinder piston and top end gasket components with an 84.34mm bore. A top end kit supplies the parts used when servicing the upper portion of an engine, including the piston and the gaskets that seal the cylinder and related top end surfaces.

Key Features & Performance

• The kit covers the upper engine components used during a top end service.
• The piston and gaskets work together to help restore the sealing surfaces and compression-related function of the engine top end.
• Supplied with an 84.34mm bore specification for the listed application.
• Intended for the HiSUN UTV and ATV 400 platforms referenced in the listing.
• Part numbers and model designations should be matched against the original components before ordering.

Fitment & Compatibility

• for HiSUN UTV applications
• for HiSUN ATV applications
• for MSU400 applications
• for YS400 applications
• for 400 series applications where the existing part number and model designation match

Common Uses

• Replacing worn or damaged top end components during an engine rebuild.
• Servicing the upper cylinder and piston assembly on the listed machine applications.
• Use during routine engine maintenance when the original top end parts have failed or are due for replacement.

Technical Specifications

• Product Type: Cylinder piston gasket top end kit
• Bore Size: 84.34mm
• Model Application(s): HiSUN UTV ATV MSU400 YS400
• General Application: 400 series engines

Frequently Asked Questions

Q: What does a cylinder piston gasket top end kit do? A: It provides the upper engine components used to seal and rebuild the top end, including the piston and associated gaskets for the cylinder assembly.

Q: How do I verify fitment? A: Compare the complete existing part number and the complete equipment model designation, such as HiSUN MSU400 or YS400, against the information in this listing before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.