Internal Engine Parts

IST brand Crankshaft Bearings for your Kohler K Engines! These match Kohler OEM Specs and are High Quality Replacements.    Sold by the pair   These will fit the following Kohler Engines: Kohler K241, K301, K321, K341 Kohler M10,...

Stopping cleaning the floor of leaking oil and replace your oil seals!   High Quality Aftermarket Oil Seal set for Kohler K241 - K341 Engines.   Includes 2 seals: one for the PTO side, and one for the Flywheel Side   Replaces Part...

iSaveTractors brand aftermarket Piston Kit for Kohler K301 Engines. This is for 12HP Kohler K Series Cast Iron Engines. This piston will also work for the K532 Engine as well.Includes Piston, Rings, Wrist Pin, Wrist Pin Retainer...

iSaveTractors Carburetor Rebuild Kit for Kohler K and M Engines  Includes Float Bowl Gasket, Diaphram, Float Needle, Float Needle Seat, Nut Gasket, and Float Pin. This kit is for the Kohler/Carter style carburetors #16, #26 and #30 found on K141,...

Intake Valve for Kohler K241, K301 10HP 12HP Engines. Also fits Kohler Magnum M10, and M12 EnginesThis is a 1 3/8” Diameter Valve Head.  Replaces: Kohler 235582S

Exhaust Valve for Kohler K241, K301, and older style K321 Engines** Made from heat resistant alloy. These also fit Kohler K482 18HP Cast Iron Engines.**Note: This exhaust valve will fit the older style K321 Engines with the smaller exhaust valve. If your...

Aluminum Head Gasket for Kohler K241, K301, K321, M10, M12, and M14 Engines.   Replaces: Gravely 010803 Kohler 4704115S Kohler 4704115 Kohler 237658 Kohler 4704110    

Aftermarket reproduction connecting rod for Kohler K301 and K321 Engines.  This rod has the long oil dipper. This for 12HP and 14Hp Kohler Cast Iron K Series Engines. Made from high quality cast aluminium to match OEM specifications...

Chrome Piston Rings for Kohler K301 and K532 Engines. These fit Type "A" pistons.Replaces  Kohler 235889  Kohler 235889s  *As of 12/1/20 STD Size Rings are sold out. More coming soon.