One New Aftermarket Replacement Head Gasket Fits John Deere Tractors and Industrial/Construction Equipment

This aftermarket replacement cylinder head gasket is Fits John Deere 6.404D 6-cylinder diesel engine used across the 4000-series tractors and the 600 Industrial/Construction model. It seals the cylinder head to the engine block, maintaining compression and preventing coolant or oil leaks into the combustion chamber. Important: This gasket fits early-production machines only -- serial number 214,999 and earlier for the 4020 and 6404D engine, and serial number 200,999 and earlier for the 4010 and 4000. Verify your serial number before ordering.

Specifications

• Engine: Fits John Deere 6.404D, 6-Cylinder Diesel
• Engine Bore: 4.25 in (108 mm)

Compatible Models

Fits John Deere Tractors: 4000 (SN 214999 and earlier), 4010 (SN 214999 and earlier, 6.404D 6-cyl engine), 4020 (SN 200999 and earlier, 6.404D 6-cyl engine)

Fits John Deere Industrial/Construction: 600 (SN 214999 and earlier, w/ 6.404D 6-cyl engine)

Fits John Deere Engine: 6404D (SN 214999 and earlier, early Power Booster engine)

Replaces Part Number(s):

R45615, R34311, R40974, R26208

New aftermarket replacement part - not remanufactured, not used.