3B4504 Lockwasher for Caterpillar Equipment

3B4504 is a lockwasher used in Caterpillar asphalt pavers. The part is identified by SKU 3B4504 and by the part number designation 3B-4504. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The component is a hardware item for use in threaded fastener assemblies on the listed Caterpillar asphalt paver models. The supplied dimensions identify the washer as a small-diameter part with an inner opening of 6.4 mm, an outer diameter of 12.37 mm, and a thickness of 1.57 mm.

Fitment

• Equipment brand: Caterpillar
• Equipment type: Asphalt paver
• Caterpillar AP-1000
• Caterpillar AP-1000B
• Caterpillar AP-1000D
• Caterpillar AP-1050
• Caterpillar AP-1050B
• Caterpillar AP-1055B
• Caterpillar AP-1055D
• Caterpillar AP-200B
• Caterpillar AP-600D
• Caterpillar AP-655C

Fitment is specified for the Caterpillar asphalt paver models listed above. The model designation should be checked against the machine identification and the part number before installation, particularly where several equipment configurations or production versions are in service.

Cross-reference numbers

• 3B-4504

3B-4504 is the hyphenated part number designation corresponding to SKU 3B4504. The available product data does not identify additional supplier numbers or other equipment manufacturer numbers for this lockwasher.

Specifications

The dimensional data refers to the lockwasher itself: thickness is 1.57 mm, the outside diameter is 12.37 mm, and the inside diameter is 6.4 mm. The listed length and width are 1.2 cm, while the listed depth is 0.16 cm. The coating is specified as galvanized zinc with a 96-hour salt spray test value.