Front Axle Spindle Steering Bearing Spacer Washer (3/8") for Case 480B & 580B Backhoes – A44603

Fits Models At A Glance:

• Case Backhoe Loaders & Tractors: 480B, 580B (Tractor Serial Numbers 8711518 through 8716638)

Key Notes:

• Part Number: A44603
• Weight: 0.10 lbs (0.044 kg)
• Inside Diameter: 50.93mm (2")
• Outside Diameter: 66.55mm (2-5/8")
• Thickness: 9.53mm (3/8")
• Location: Front axle spindle — the lower steering bearing spacer washer that sits under the thrust bearing at the front axle spindle on applicable Case backhoe loaders and tractors
• Application: Front axle spindle lower steering bearing spacer washer — supports and spaces the lower thrust bearing on the front axle steering spindle, maintaining proper bearing preload and spindle alignment during steering on applicable Case equipment
• Serial Number Note: Fits 480B and 580B with tractor serial numbers 8711518 through 8716638 only
• Important Note: Both a 1/4" thick (A36565) and a 3/8" thick (A44603) washer were used on these machines at different production serial numbers — verify your existing washer thickness before ordering. This listing is for the 3/8" (9.53mm) thick washer

Common Use Case or Symptoms: Use when the front axle steering spindle has excessive play, the front wheels wander during operation, or the lower spindle bearing shows signs of wear — a missing or worn spindle spacer washer causes incorrect bearing preload, accelerated thrust bearing wear, and loose front axle steering on applicable Case backhoe loaders and tractors.

Why Choose Broken Tractor:

• ✅ Thickness Verification Critical: A44603 is the 3/8" (9.53mm) thick version — for the 1/4" thick washer order A36565 instead. Measure your existing washer and confirm your serial number range before ordering to ensure correct bearing preload
• ✅ Serial Number Specific Fitment: A44603 was used on 480B and 580B machines with tractor serial numbers 8711518 through 8716638 — confirm your serial number falls within this range before ordering
• ✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship from our U.S. warehouses