3162516 NBR (90) O-Ring for Caterpillar Equipment

3162516 is an O-ring sealing component made from nitrile rubber (NBR) with a hardness of 90 Shore A, intended for use in Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The ring is black and has a round cross-section. The listed dimensional and material data identify the part as SAE AS568 dash size -252, with a 0.14 in cross-section diameter, 5.23 in inner diameter, and 5.512 in outside diameter.

Fitment

The 3162516 O-ring is listed for the following Caterpillar equipment models and machine series:

• Autograders: 24, 24H, 24M
• Off-road dump trucks: 789D, 793, 789G, 793B, 793C, 793D, 793F, 793F AC, 793F CMD, 793F OEM, 793F XQ
• Wheeled tractor-scrapers: 621E, 621F, 621G, 621H, 621K, 621K OEM, 623G, 623H, 623K, 623K LRC, 627G, 627H, 627K, 627K LRC, 631K, 637K
• Skidding Caterpillar tractors: 517, 527
• Backhoe loader: 450E

Model and series compatibility should be checked against the equipment configuration and the part installed on the machine before replacement.

Cross-reference numbers

• 316-2516
• 3162516

Specifications