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Case 521E Loader Seal Kits

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Case 521E Loader Seal Kits parts list
Image Fits Model Description Part # Price Product Details
Case Hydraulic Cylinder Rebuild Tool Kit - Spanner Wrench & Seal Installer See Details Case backhoe and loader models with hydraulic cylinders, All John Deere backhoe and loader models with hydraulic cylinders Case Hydraulic Cylinder Rebuild Tool Kit BT-CASE-CYL-TOOL-KIT
$96.00
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Case 521G quick coupler hydraulic cylinder 84139131 See Details 521E, 521F, 521G, 521G2, 621E, 621G, 621G2, 721E, 721F, 721G, 721G2, 821E, 821F, 821G, 821G2, 921F, 921G, 921G2, W110B, W130B, W170B, W170C, W190B, W190C, W230C Quick Coupler Cylinder 84139131
$938.00
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Case 521E Coupler Cylinder 87741101 See Details 521E, 521F, 521G, 521G2, 621E, 621G, 621G2, 721E, 721F, 721G, 721G2, 821E, 821F, 821G, 821G2, 921F, 921G, 921G2 Coupler Cylinder Seal Kit 87741101
$84.00
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Case 521D Loader Bucket Tilt Cylinder 87434291 See Details 521D, 521E, 521F, 521G, 521G2, 621D, 621E, 621F, 621G, 621G2, 651G Loader Bucket Tilt Cylinder Seal Kit 87434291
$43.00
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Case 521D Loader Lift Cylinder 360979A1 See Details 521D, 521E, 521F Lift Cylinder Seal Kit 360979A1
$58.00
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Hydraulic Spanner Wrench for Case Backhoes and Loaders. See Details Case - Backhoes, Dozers, Loaders Hydraulic Cylinder Spanner Wrench CAS-1456A
$73.00
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Case Gland Seal Installation Tool Kit Part # CAS-1457 See Details Hydraulic Cylinders Gland Seal Installation Tool Kit CAS-1457
$34.00
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Case Hydraulic Cylinder Tool Pin See Details Case Backhoes, Dozers, Excavators, and Skid-Steers Replacement Pin, Spanner Wrench CAS-1456-PIN
$4.00
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Hydraulic cylinder seal kits and cylinder repair tools for the Case 521E wheel loader, covering lift, bucket tilt, and quick coupler cylinders along with the spanner wrenches and seal installers used to rebuild them.

Fits Models At A Glance

  • 521 Series: 521E (also shared with 521D, 521F, and 521G)

Key Notes

  • Application: Seal kits for lift, bucket tilt, and coupler hydraulic cylinders
  • Tools: Spanner wrenches, replacement pins, and gland seal installer kits for cylinder rebuilds
  • Coverage: Many kits fit across 521D through 521G and related loader families
  • Fitment: Confirm cylinder function and serial range before ordering

Why Choose Broken Tractor

  • ✅ Seal kits matched to specific loader cylinders
  • ✅ Rebuild tools available alongside the seals
  • ✅ Fast shipping from Louisiana and Ohio

Frequently Asked Questions

What seal kits fit a Case 521E loader?

We carry lift cylinder, bucket tilt cylinder, and coupler cylinder seal kits that fit the Case 521E. Several kits share coverage across the 521D, 521E, 521F, and 521G loaders. Match the kit to the specific cylinder you are servicing.

Do I need a special tool to rebuild a Case 521E hydraulic cylinder?

Yes, a spanner wrench is used to remove and reinstall the cylinder gland, and a gland seal installer helps seat the new seals without damage. We offer both individually and as a combined rebuild tool kit. A replacement pin for the spanner wrench is also available.

Will one seal kit rebuild the whole cylinder on a 521E?

Each seal kit is built for a specific cylinder function, such as the lift, tilt, or coupler cylinder, so you order the kit that matches the cylinder you are repairing. Confirm the cylinder type before ordering. Call (800) 909-7060 if you need help matching your part number.

Can I replace just the seals instead of the whole cylinder?

In most cases yes, worn rod and piston seals can be replaced with a seal kit if the cylinder barrel and rod are in good condition. If the cylinder is scored or bent, a complete replacement cylinder is the better choice. We carry replacement quick coupler cylinders as well.

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Product: Category: Case 521E Loader Seal Kits Brand: Head Title: Case 521E Loader Seal Kits | Broken Tractor