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Hydraulic cylinder seal kits and cylinder components for the Case 9020B excavator, covering boom, dipper arm, and bucket cylinder rebuilds for reliable digging performance.
Fits Models At A Glance
Key Notes
- Application: Boom, dipper arm, and bucket cylinder sealing
- Kit Contents: Rod seals, piston seals, wipers, and o-rings for full cylinder rebuild
- Coverage: Separate kits available per cylinder position
- Fitment: Matched to Case 9020B factory cylinder specifications
Why Choose Broken Tractor
- ✅ Complete seal kits for every cylinder position
- ✅ Fast shipping from two US warehouses
- ✅ Fitment verified against Case 9020B specs
Frequently Asked Questions
Which seal kit do I need for the boom cylinder on a Case 9020B?
The Case Excavator Boom Cylinder Seal Kit for 9020B (SKU 161912A1) is the kit for the boom cylinder position. Broken Tractor offers separate seal kits for each cylinder position, so match the SKU to the cylinder you are rebuilding. If you are unsure which cylinder you are servicing, confirm the part number before ordering.
What is included in a Case 9020B cylinder seal kit?
Each kit includes rod seals, piston seals, wipers, and o-rings for a full cylinder rebuild. The contents are matched to Case 9020B factory cylinder specifications for the boom, dipper arm, or bucket position. Choose the kit that corresponds to the cylinder you are working on.
Are there separate seal kits for the boom, dipper arm, and bucket cylinders on a 9020B?
Yes, Broken Tractor carries a separate seal kit for each cylinder position on the Case 9020B. The boom kit is SKU 161912A1, the dipper arm kit is SKU 161913A1, and the bucket kit is SKU 161914A1. Each is fitment verified against Case 9020B specs.
Do these seal kits fit the Case 9020B excavator?
Yes, all three seal kits are matched to the Case 9020B and its factory cylinder specifications. Fitment can depend on serial number or cylinder configuration, so match the part number to your machine or confirm with the parts team at (800) 909-7060 if you have questions.
Can I rebuild my 9020B cylinder with a seal kit instead of replacing the whole cylinder?
Yes, these seal kits are made for rebuilding the boom, dipper arm, and bucket cylinders rather than replacing the entire cylinder. Each kit provides the rod seals, piston seals, wipers, and o-rings needed to reseal a leaking or worn cylinder. Select the kit that matches the cylinder position you are servicing.
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