The 117-9315 Seal is a Caterpillar press-in-place sealing component designed for construction machinery, mining equipment, industrial engines and other heavy-duty applications. Also identified as 1179315, this component is officially described by Caterpillar as a 285 mm Long Base Seal and belongs to the Press-in-Place Seal (PIP) category.

Xiamen Doozer supplies replacement 117-9315 seals for heavy equipment maintenance and engine repair applications. Press-in-place seals are designed to remain securely positioned in their grooves, helping improve assembly integrity while reducing the risk of leakage and contamination. Caterpillar states that these seals are used in many static joints throughout its engines and machines, particularly in inverted or vertical assemblies.

According to Caterpillar’s official specifications, the 117-9315 has an overall length of 285 mm and an overall width of 182 mm. Its cross-section height is approximately 3.3 mm, while the cross-section width is approximately 4.1 mm. Cat lists HNBR, FKM fluoroelastomer and nitrile/NBR/HNBR/XNBR rubber among the material specifications for this part.

The 117-9315 is used across a wide range of Caterpillar equipment and power systems. Official Cat compatibility information includes D11N and D11R track-type tractors, 5130B and 5230B mining excavators, 854G wheel dozers, 992G and 994D wheel loaders, and 777, 785, 789C, 793C, 797 and other off-highway trucks. It is also listed for 3508, 3512 and 3516 engine applications, generators, power modules and marine engines.

For equipment distributors, repair shops and engine maintenance companies, the 117-9315 PIP seal is a practical replacement component for Caterpillar heavy equipment. Customers should verify the machine or engine model and serial number before ordering to ensure correct fitment.