2.534.525 Belt Tightener for Caterpillar Equipment

This belt tightener, also identified as an idler assembly, is used on equipment manufactured by Caterpillar. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The available application data covers Caterpillar material loaders, asphalt pavers, petroleum product equipment, truck engines and industrial engines. The listed equipment and engine model designations are provided below as the recorded fitment information for this part.

Fitment

• Equipment manufacturer: Caterpillar
• Material loader: C7
• Asphalt paver: AP-755
• Petroleum products equipment: C7, C9, CX31-C9I, CX31-P600
• Truck engine: 3116, 3126, 3126E
• Industrial engine: 3116, 3126, 3126B, 3126E, C-9, C7, C9
• Engine model listing: C7, C9, 3126B

The fitment information includes both machine and engine applications. The designations C7 and C9 appear in more than one equipment category in the source data and are therefore retained under each applicable category. The part should be matched against the equipment model, engine configuration and the identification number stamped or listed for the installed belt-tightening assembly.

Cross-reference numbers

• Caterpillar reference: 253-4525
• Assembly reference: AS 2534525
• Freightliner reference: DC093-001141
• GM reference: 89.022.559

The product SKU is 2.534.525. The reference 253-4525 is also shown in the available application data as the part number associated with the compatible models. The additional references listed above are included for identification and cross-matching with equipment and engine parts records.

Specifications

The dimensions are recorded in inches and are stated as supplied for this part: diameter 3.4 in, overall height 2.9 in, length 4.2 in and height 3.6 in. “Overall height” and “height” are listed separately because they are separate specification fields in the available part data; no additional dimensional definition is provided.

This component is identified for use within the belt drive system of the listed Caterpillar equipment and engines. The available data does not specify the belt number, mounting hardware, bearing type, thread size, material or a separate installation kit, so these details are not included as confirmed specifications.