Case CX31 Seal Kits & Cylinders

Case CX31 Seal Kits & Cylinders parts list
Fits Model	Description	Details	Price	Product Details
See Details	CX31, CX36, CX31B, CX36B	Boom Cylinder Seal Kit	PW01V00043R300	$74.00	View Info
See Details	CX31 (after serial # PW10-22001)	Dipper Cylinder Seal Kit	PW01V00051R300	$54.00	View Info
See Details	CX31	Dozer Blade Cylinder Seal Kit	5001761M91	$54.00	View Info
See Details	CX31	Bucket Cylinder Seal Kit	5001763M91	$135.12	View Info
See Details	CX31	Boom Offset Cylinder Seal Kit	5001732M91	$58.00	View Info
See Details	CX31	Boom Cylinder Seal Kit	5001747M91	$44.00	View Info
See Details	CX31, CX36	Bucket Cylinder Seal Kit	PW01V00046R300	$54.00	View Info

Shop reliable, USA-made hydraulic cylinder seal kits for Case CX31 mini excavators. Manufactured by Bulldog Hydraulics and Hercules, these kits meet OEM specifications and are built for long-lasting durability. Whether you're rebuilding boom, dipper, or bucket cylinders, these parts restore full hydraulic performance to your Case CX31.

Fits Models At A Glance:

Case Mini Excavators: CX31, CX31B, CX36, CX36B

Key Notes:

Cylinder Applications: Boom, dipper arm, and bucket cylinders
Manufacturers: Bulldog Hydraulics, Hercules
Made in USA
Quality: Built to OEM specifications for precise fit and long-term durability

Why Choose Broken Tractor:

✅ Made in USA – Quality materials and precision manufacturing from trusted hydraulic specialists

✅ Complete Seal Kits – Each kit includes all seals needed for a full cylinder rebuild

✅ Fast Shipping – In-stock kits ship quickly to minimize your downtime

Frequently Asked Questions

What cylinder seal kits are available for a Case CX31 mini excavator?

Broken Tractor carries seal kits for the boom, boom offset, dipper arm and bucket cylinders on the Case CX31 mini excavator. Each kit is matched to a specific cylinder, so pick the kit for the cylinder you are rebuilding. Several kits also fit the CX31B, CX36 and CX36B.

Which dipper arm cylinder seal kit fits a Case CX31?

Seal kit PW01V00051R300 fits the dipper arm cylinder on Case CX31 mini excavators after serial number PW10-22001. Check your machine's serial number before ordering, because earlier units may need a different kit. If you are unsure, call (800) 909-7060 and the parts team can confirm fitment.

Does the Case CX31 boom cylinder seal kit fit a CX36?

Yes, boom cylinder seal kit PW01V00043R300 fits the Case CX31, CX31B, CX36 and CX36B mini excavators. We also carry boom cylinder seal kit 5001747M91, which is listed for the CX31. Match the part number on your existing kit or cylinder to choose the right one.

What is included in a Case CX31 hydraulic cylinder seal kit?

Each kit includes all the seals needed for a full rebuild of the cylinder it is listed for. The kits are made in the USA by Bulldog Hydraulics and Hercules and are built to OEM specifications for a precise fit.

Why are there two bucket cylinder seal kits for the Case CX31?

Broken Tractor offers bucket cylinder seal kit 5001763M91 for the CX31 and kit PW01V00046R300, which fits both the CX31 and CX36. Fitment can depend on your machine's model and serial number. Match the part number from your current seals or cylinder, or confirm with the parts team before ordering.