John Deere B Cylinder Head Part number on the casting is B2871R Part number AB4204R Used on John Deere B sn 96000 and up If you are replacing a cylinder head with number B1784R or B2501R you will need an A4227R oil tube adapter for the rocker arms. This cylinder head has been through a machine shop and has been magnafluxed. It is free of any cracks or repairs & has no broken bolts. The head is sold bare, with no valves etc., and will need a complete rebuild before use. The biggest issue is that the threads for the drain plug are rough and will need to be repaired.

John Deere B Cylinder Head
Part number on the casting is B2871R
Part number AB4204R
Used on John Deere B sn 96000 and up
If you are replacing a cylinder head with number B1784R or B2501R you will need
an A4227R oil tube adapter for the rocker arms.
This cylinder head has been through a machine shop and has been magnafluxed.
It is free of any cracks or repairs & has no broken bolts. The head is sold bare, with no valves etc., and will need a complete rebuild before use. The biggest issue is that the threads for the drain plug are rough and will need to be repaired.

Parts Inquiries and General Questions Welcome!!
Matt Teesdale
Specializing in John Deere Two-Cylinder
parts, tractors, and repair
MODELS A B G 50 60 70 520 530 620 630 720 730







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