Crankshaft Oil Seal Kit for John Deere Spitfire 340 1980-1982

Crankshaft Oil Seal Kit for John Deere Spitfire 340

This crankshaft oil seal kit is a replacement seal set made to reseal the crank on the John Deere Spitfire 340, helping keep oil contained and crankcase air leaks under control.

Overview

This crankshaft oil seal kit supplies the seals needed to reseal the crank on a John Deere Spitfire 340 snowmobile. It helps restore crankcase sealing for consistent compression and dependable engine operation. It suits riders and technicians handling a rebuild or seal service on the Spitfire 340.

Built For Performance

• Seals crank ends to prevent air leaks and oil loss
• Direct replacement fit for the Spitfire 340 crank
• Made from oil-resistant seal material
• Helps hold steady crankcase pressure
• Suited to rebuilds and routine seal replacement

Fits These Machines

• for John Deere Spitfire 340, 1980
• for John Deere Spitfire 340, 1981
• for John Deere Spitfire 340, 1982

On-The-Job Use

• Crankcase resealing during engine rebuilds
• Repairing oil leaks at the crank ends
• Restoring compression on older snowmobile engines
• Routine maintenance on the Spitfire 340

Specs At A Glance

Good To Know

Q: What does this kit seal? A: It seals the crankshaft ends to keep oil in and air out of the crankcase on the Spitfire 340. Good sealing supports steady compression and smooth running.

Q: When should the seals be replaced? A: Seals are commonly replaced during engine rebuilds or whenever oil leaks or air leaks appear at the crank. Confirm fit by serial number before ordering.

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