XZR8®
JCB 331/30265 Expansion Tank Assembly
JCB 331/30265 Expansion Tank Assembly - Image 2
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JCB 331/30265 Expansion Tank Assembly


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MaterialPolypropylene (PP)
Component TypeCoolant Expansion Tank
Net Weight3.2 kg
Package Dimensions69 × 65 × 64 cm

Manufacturer No.

  • 331/30265
  • 33130265
  • 331-30265
  • HMP2966
  • ES10018

OEM Part No.

  • 331/30265
  • 33130265
  • 331-30265
  • 128/14093
  • 162/03296
  • 331/34633

Interchange No.

  • HMP2966
  • ES10018
  • 607604540538

Fitment Vehicles

  • JCB 3CX
  • JCB 4CX
  • JCB 5CX
  • JCB 214
  • JCB 215
  • JCB 217
  • JCB 540
  • JCB 4CXSM444
  • JCB 4CX444
  • JCB 4C
  • JCB 411
  • JCB 416
  • JCB 8052
  • JCB 8060
Technical specification for JCB OEM expansion tank part number 331/30265. This coolant reservoir is engineered for the cooling systems of JCB backhoe loaders and telehandlers. Constructed from high-temperature resistant polypropylene to withstand cyclic thermal stress and system pressure. Designed to maintain coolant volume, accommodate thermal expansion, and provide a fill point for the cooling circuit. Direct fit replacement for OEM reference 331/30265, superseding references 128/14093 and 162/03296. Compatible with JCB 3CX, 4CX, 5CX series backhoe loaders, 540 wheel loaders, and 411/416 compact wheel loaders.