Loaded cylinder head assembly – valves installed (ready for assembly)
Fits Perkins diesel engines: 4.236 / 4.248 / 4.212 (verify by part number/casting)
Replaces OEM/Interchange numbers: ZZ80175, ZZ80054, 3640877M91, 3637486M91
For 4-cylinder diesel applications used in tractors and industrial equipment
Fitment note: engine variations exist—match your OEM number and head/casting before ordering
What you should reuse/replace: head gasket set + head bolts (recommended), thermostat housing parts as needed
This is a loaded cylinder head assembly for Perkins 4-cylinder diesel engines commonly referenced as 4.236 / 4.248 / 4.212. Designed as a replacement head for repairs and rebuilds. Please match your original part number/casting and engine build before ordering to ensure correct fitment.
Common Perkins 4.236 head questions: torque sequence, valve lash, oil cooler leak, overheating after head replacement, head gasket failure symptoms
Perkins 4.236 Cylinder Head Assembly w/ Valves Fits 4.212 / 4.248 JCB Massey
Best way to confirm is by matching the OEM/interchange number and your original head casting. This head is listed as a replacement for: ZZ80175, ZZ80054, 3640877M91, 3637486M91. If you’re unsure, send a photo of your old head and the engine tag, and we’ll help confirm.

















