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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings103-8173: 3.5 x 31.7mm 90A PU O-Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings103-8173: 3.5 x 31.7mm 90A PU O-Ring
103-8173: 3.5 x 31.7mm 90A PU O-Ring

O-ring

Brand: Cat

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103-8173: 3.5 x 31.7mm 90A PU O-Ring
103-8173: 3.5 x 31.7mm 90A PU O-Ring
103-8173: 3.5 x 31.7mm 90A PU O-Ring
103-8173: 3.5 x 31.7mm 90A PU O-Ring
103-8173: 3.5 x 31.7mm 90A PU O-Ring

O-ring

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 103-8173

Units of Measure

USMetric
Cross Section Diameter (mm): 3.5
Cross Section Diameter (in): 0.138
Inside Diameter (mm): 31.7
Inside Diameter (in): 1.248
Material: Urethane (90),Urethane Rubber,PU (Polyurethane)
Polymer: Pu (polyurethane)
Material Hardness: 93a
Compatible With: Ozone; Petroleum base lubricants and hydraulic fluids/fuels; UV light
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Compatible Models for part number 103-8173

WHEELED EXCAVATOR

M325C MH M330D W345B II

LOGGER

322C

EXCAVATOR

320C L 345B II 345B L 325D FM 324D FM LL 330D MH 328D LCR 329D LN 325D FM LL 329D L 325D L 330C LN 320C 320D 320D LN 324D FM 336D 324D 325D MH 336D2 L M325D MH 320D LRR 330D LN 320C FM 330C L 319C 321D LCR 336D L 320D L 345C L 320D FM RR 318C 345B II MH 325C L 322C FM 320D FM 330C FM 330C 330D 320D RR 322C 324D LN 323D S 323D L 325C FM 323D LN 330C MH 345C MH M325D L MH 329D 324D L 330D L 321C 330D FM 325C 325D 345B 345C

MOBILE HYD POWER UNIT

330D 330D L 324D LN 330C 325D L 325C 325D 336D L 323D LN

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KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced