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Swing Cylinder Seal Kit for Case Backhoes - BullDog Hydraulics

580L-II, 580SL, 580M, 580SM, 580N, 580SN, 590SL, 590SM, 590SN
Swing Cylinder Seal Kit (4" Bore)
BullDog Hydraulics Seal Kit for Case 580L, 580M, 580 Super L, and Super M Swing Cylinders
Fits Models:
Part # 122535A1


Fits Models At A Glance:

  • Case Backhoes: 580L Series II, 580M, 580 Super L, 580 Super M, 590 Super L, 590 Super M, 590 Super N

Key Features:

  • Inside Bore Diameter: 4.00 inches.
  • Rod Diameter: 2.00 inches.
  • Contains all necessary sealing rings, seals, and O-rings for one complete cylinder rebuild.
  • Proudly made in the USA by BullDog Hydraulics.
  • Weight: 0.8 lbs.
  • Replaces Part # 122535A1
  • Designed specifically swing cylinder on Case backhoes, ensuring a perfect fit and optimal performance.

Why Choose Broken Tractor?:

  • Our Swing Cylinder Seal Kit by BullDog Hydraulics is the ideal choice for repairing and maintaining your Case backhoe's hydraulic performance.
  • Made in the USA, this kit offers unmatched quality and durability for your machinery.
  • Trust Broken Tractor for precise, reliable, and durable parts that keep your equipment in top condition.


Shipping charges are calculated at checkout.
Items are NOT guaranteed to be in stock at the time of order.
Refunds are offered if the item is on back-order.

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Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.

Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.

Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.

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