Cat 420E, 420F, 432E, 434E Backhoe Stick Cylinder Rod Seal Kit 3651270 – 65mm Rod

Fits Models At A Glance:

• Caterpillar Backhoe Loaders – E Series: 420E, 432E, 434E
• Caterpillar Backhoe Loaders – F Series: 420F

Key Notes:

• Part Number(s): 3651270 (365-1270)
• Application: Seal kit for backhoe stick (dipper) cylinder groups 210-7082 and 210-7084
• Dimensions: 65 mm rod x 4-3/4" bore
• Serial Number Notes: Cylinder 210-7082 is cataloged on 420E KMW00001-UP and PRA00001-UP and 432E BXE00001-UP and RXS00001-UP; cylinder 210-7084 on 420E PHC00001-UP and 434E FSH00001-UP and SXB00001-UP. Both cylinders take this kit.
• Quantity: Reseals one stick cylinder
• Condition: Aftermarket replacement part

Common Use Case or Symptoms:

Use when the backhoe stick drifts in or out with a loaded bucket, the stick cylinder rod streaks with oil, or crowd force drops on a Cat 420E, 432E or 434E.

Why Choose Broken Tractor:

• ✅ Two cylinder groups, one kit — Cat used 210-7082 and 210-7084 stick cylinders on these machines and both reseal with this kit — we list both so you do not have to guess.
• ✅ Dimensions confirmed — 65 mm x 4-3/4" per Hercules Sealing Products.
• ✅ ready to ship from our U.S. warehouses — Louisiana and Ohio.