1630343 Friction Disc for Caterpillar Equipment

The 1630343 friction disc is a brake lining and pad component used in Caterpillar equipment. It is supplied as one unit and is identified by the part number 163-0343 in the current component data.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The listed application covers Caterpillar machine models 525C, 535B, 535C, 545, and 545C.

Fitment

• Caterpillar 525C
• Caterpillar 535B
• Caterpillar 535C
• Caterpillar 545
• Caterpillar 545C

The fitment information identifies the friction disc for the Caterpillar models listed above. Compatibility should be confirmed against the machine model, serial number, and the part number removed from the equipment before installation, because the available product data does not specify serial-number ranges or installation quantity for each machine model.

Cross-reference numbers

• 163-0343
• 1630343

Part number 1630343 is the SKU format used for this item, while 163-0343 is the hyphenated format stated in the product data. Both number formats identify the same friction disc in this listing.

Specifications

The dimensional data is stated in inches. The inner diameter is 5.0645 inches, the outer diameter is 7.480 inches, and the disc thickness is 0.157 inches. The supplied quantity is one friction disc. No additional hardware, seals, plates, or installation components are specified as included with the part.

The component is listed for use with Caterpillar 525C, 535B, 535C, 545, and 545C equipment. The available information does not provide material composition, operating temperature range, weight, spline details, or further dimensions.