Brake Housing O-Ring 9.984" ID for Case 590 Super L, 590 Super M, 380B – 238-8274

Fits Models At A Glance:

Case Loader Backhoes:

• 590 Super L (590SL): Series 1
• 590 Super L (590SL): Series 2 — After Serial Number JJG0210575
• 590 Super M (590SM): Series 1 — North America
• 590 Super M (590SM): Series 2 — Tier 2, After Serial Number N4C309000

Case Loader Landscapers:

• 380B: After Serial Number JJE0001501

Key Notes:

• Part: Brake Housing O-Ring
• Part Numbers: 238-8274 (2388274)
• Interchange Numbers: 196080A1, 27659R1, 71475294, 71476289, 71486947
• Location: Brake housing
• Quantity Required: 2 per machine — sold individually
• Size:
  • Inner Diameter (ID): 9.984 Inches / 253.6 mm
  • Cross-Section: 0.139 Inch / 3.53 mm
  • Size Class: AS568-274
• Material: HFKM fluoroelastomer — resists heat and oil
• Weight: 0.05 lbs (0.02 kg)
• Application: Seals the brake housing to keep oil in and dirt and water out
• Condition: Aftermarket replacement part

Common Use Case or Symptoms: Use when oil is weeping from the brake housing joint, or whenever the brake housing is split for a brake job — a leaking housing O-ring loses oil and lets water into the brakes.

Why Choose Broken Tractor:

• ✅ Exact Size and AS568 Class Listed – 9.984" ID × 0.139" to match your old O-ring
• ✅ Interchange Numbers Cross-Referenced – 196080A1 and four more
• ✅ Fast Shipping from a U.S.-Based Team – ready to ship from our U.S. warehouses