A-R43680-AI Insert, Intake Valve (Std) model-170400-253400 and 300400-326400 Fits Tractors* - 4040 (BSN

Fits Tractors* - 4040 (BSN 185707)

(4) inner O-rings

It is a direct aftermarket replacement for the original Fits John Deere (Fits JD) engine gasket set used across the M

the gasket is made Fits Cub radiators with 18 holes and comes with 14 pre-punched holes to fit various configurations

Fleetguard AF922

A-R43680-AI Insert, Intake Valve (Std) model-170400-253400 and 300400-326400 Fits Tractors* - 4040 (BSNOne New Aftermarket Replacement Intake Valve Seat Insert (Standard) for John Deere Tractors, Combines, and Construction Equipment This standard size aftermarket intake valve seat insert is a valvetrain component used during engine rebuilds and valve jobs on John Deere diesel engines. The seat insert presses into the cylinder head and provides the sealing surface for the intake valve, restoring proper compression and combustion efficiency. Compatible