0951606 NBR (90) O-Ring for Caterpillar Equipment

The 0951606 NBR (90) O-Ring is a sealing ring used in Caterpillar hydraulic mini excavators, excavators, wheel excavators, and forest machines. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is made from NBR nitrile rubber with a Shore A hardness of 90. The available dimensional data identifies a cross-section diameter of 0.14 in, an inner diameter of 1.64 in, and an outside diameter of 1.917 in.

Fitment

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

• Hydraulic mini excavators: 303.5, 304.5
• Excavators: 320 L, 320-A, 320-A L, 320C, 322C, 336 GC, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 375-A, 375-A L, 5080, 568 FM
• Wheel excavator: MH3040
• Forest machines: 548, 558, 568

Application should be checked against the exact Caterpillar machine model, series, and part number before installation because the same equipment range may contain different sealing components.

Cross-reference numbers

Specifications

The listed temperature range is -40 to 212 °F. The dimensional values refer to the O-ring specifications supplied for part number 095-1606. The part is supplied as an individual sealing component; no additional components or installation hardware are specified in the available product data.