O-Ring Seal 1338525 for Caterpillar Equipment

O-ring seal with SKU 1338525 for Caterpillar equipment. The part is used with specified industrial engines, ship equipment, generators, and engine-generator sets. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part number is listed in two numerical formats: 1338525 and 133-8525. These formats identify the same O-ring seal reference in the supplied application data. Fitment is organized below by equipment type and model designation.

Fitment

The O-ring seal is listed for the following Caterpillar equipment applications:

• Industrial engines: Caterpillar 3176C, C-10, 3126, and C9.3.
• Ship equipment: Caterpillar 3126.
• Generators: Caterpillar SR4B.
• Engine-generator sets: Caterpillar C9.3.

The model designation 3126 is specified for both the industrial engine and ship equipment applications. The model designation C9.3 is specified for industrial engines and engine-generator sets. The supplied fitment information does not identify a machine serial-number range, production year, or installation position.

Cross-reference numbers

The following part numbers are provided for identification and catalog cross-reference:

• 1338525
• 133-8525

133-8525 is the hyphenated presentation of SKU 1338525 in the supplied equipment application data. No additional supplier or equipment-manufacturer part numbers are specified.

Specifications

Before installation, the part number and equipment model should be checked against the existing component and the applicable equipment parts documentation. The available data confirms the model applications and dimensions listed above but does not provide further information about seal material, cross-section, internal diameter, external diameter, operating temperature, or included quantities.