A-R43681-AI Insert, Exhaust Valve (Std)

One New Aftermarket Replacement Exhaust Valve Insert (Standard) Fits John Deere (Fits JD) Tractors, Combines, and Industrial Equipment

This standard-size exhaust valve seat insert is a precision cylinder head component pressed into the cylinder head to provide a durable seating surface for the exhaust valve. It must withstand the high temperatures and pressures of exhaust gases while maintaining an airtight seal to prevent leakage and ensure optimal engine performance. Fits John Deere 6404 and 6466 series diesel engines used across a wide range of Fits JD agricultural, construction, and industrial equipment.

Specifications

• Size: Standard (STD)
• Application: Exhaust valve seat insert (cylinder head)
• Compatible Engine Series: Fits John Deere 6404, 6466

Compatible Models

Fits John Deere (Fits JD) Tractors: 3020, 4000, 4020, 4040, 4050, 4230, 4240, 4320, 4520, 4620, 7020

Fits John Deere Combines: 105, 6600, 6602, 6620, 7700

Fits John Deere Forage Harvester: 5200

Fits John Deere Industrial Tractors: 510, 600

Fits John Deere Backhoe-Loaders: 500A, 500B, 500C, 510

Fits John Deere Compactor: 646

Fits John Deere Excavators: 690, 690A

Fits John Deere Power Units: 6404, 6466DF

Fits John Deere Wheel Loaders: 644, 644A

Replaces Part Number(s):

R43681, A-R43681-AI

New aftermarket replacement part - not remanufactured, not used.