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Case Backhoe Brake & Diff Side Gear Seal Kit - 480, 580 Series

SKU:
BT-CASE-BRK-DIFFSEAL
FitsModel:
430CK, 480CK, 480B, 480C, 480D, 530CK, 580CK, 580B, 580C, 580D, 580SD, 584, 585, 586, 584C, 585C, 586C, 584D, 585D, 586D
ListDescription:
Brake & Diff Side Gear Seal Kit
Part # BT-CASE-BRK-DIFFSEAL

Two of the most commonly replaced seals on the Case 580 - stop the leaks before they stop you

Fits Models At A Glance:

  • Case Backhoes (480 Series): 430CK, 480CK, 480B, 480C, 480D
  • Case Backhoes (580 Series): 530CK, 580CK, 580B, 580C, 580D, 580SD
  • Case Forklifts: 584, 585, 586, 584C, 585C, 586C, 584D, 585D, 586D

Key Notes:

  • Kit Contents: (2) Brake Backing Plate Oil Seals (A39273) + (1) Right Differential Side Gear Seal (A49795)
  • Brake Backing Plate Seal — A39273 (qty 2):
    • Aftermarket replacement
    • Inside Diameter: 57.15 mm | Outside Diameter: 76.2 mm | Thickness: 11 mm
    • Interchanges With: A49796, G10689
    • Fitment Note: 480D — Before Transmission Serial # 16270319 only; 580D — Non-Turbo only
    • Failure Note: Commonly fail, leading to oil leaks and brake pack damage
  • Right Diff Side Gear Seal — A49795 (qty 1):
    • Aftermarket replacement
    • Inside Diameter: 1-3/8" (34.9 mm) | Outside Diameter: 1-5/8" (41.3 mm) | Thickness: 1/4" (6.3 mm)
    • Location: Fits inside A144339 Differential Side Gear
    • Interchanges With: A35919, A146027
    • Fitment Note: 480D fitment has no serial number break
  • Kit Weight: Approx. 0.25 lbs (2 x 0.10 lbs + 0.05 lbs)

Why Choose Broken Tractor?

  • ✅ Stop Leaks Before They Kill the Brake Pack — Brake backing plate seals are a known failure point; replacing them proactively protects the whole system
  • ✅ Two Most Common Seals in One Kit — Brake and diff side gear seal together so one order covers the job
  • ✅ Fast Shipping from Gonzales, LA — Trained parts team ready to help you identify the right fit
$72.00 $64.80
(You save $7.20)

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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Product: Category: Brand: Head Title: Case Brake & Diff Side Gear Seal Kit | Broken Tractor