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Boom & Crowd Cylinder Seal Kit for John Deere 500B, 510 – AR105443

SKU:
AR105443
FitsModel:
500B, 510 (Before S/N 155578), 9900 (Before S/N 155578)
ListDescription:
Boom & Crowd Cylinder Seal Kit
John Deere 500B backhoe boom crowd cylinder seal kit — AR105443
Part # AR105443

Fits Models At A Glance:

John Deere Backhoe Loaders:

  • 500B — Backhoe Boom Cylinder and Backhoe Crowd Cylinder
  • 510 — Backhoe Boom Cylinder and Backhoe Crowd Cylinder — Before Serial Number 155578

John Deere Backhoe Attachment:

  • 9900 — Boom and Crowd Cylinders — Before Serial Number 155578

Key Notes:

  • Part Number: AR105443
  • Weight: 0.50 lbs (0.23 kg)
  • Rod Size: 2-1/2 in
  • Bore Size: 5-1/2 in
  • Fits Cylinders: Boom (AU43137) and Crowd (AT35944, AU42875)
  • Type: Boom and crowd cylinder seal kit
  • Kit Contents: Complete set of seals, O-rings, and wipers to reseal the cylinder
  • Origin: Made in USA
  • Manufacturer: Hercules Sealing Products
  • Application: Rebuilds the backhoe boom and crowd (dipper) hydraulic cylinders on the John Deere 500B, 510, and 9900 backhoe listed above

Common Use Case or Symptoms:
Use when the boom or crowd cylinder is leaking, drifting under load, or losing hydraulic pressure — a full reseal restores proper sealing without replacing the entire cylinder.

Why Choose Broken Tractor:
✅ Made in USA by Hercules Sealing Products — quality seals built to meet or exceed OEM specifications
✅ Fits Both Boom and Crowd Cylinders — one kit reseals either 2-1/2 in rod × 5-1/2 in bore cylinder
✅ Fast Shipping from a U.S.-Based Team — in-stock and ready to ship from our U.S. warehouses

$154.00

Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.

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Shipping & Return Policy

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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Product: Category: Brand: Head Title: Boom & Crowd Cylinder Seal Kit | BT | AR105443