4I9404 O-Ring Seal for Caterpillar Equipment

4I9404 is an O-ring seal used in Caterpillar equipment, including loaders, excavators, industrial engines, and track-type tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The seal is listed for the following Caterpillar equipment models and series:

• Compact track loaders: 259B3, 279C, 279C2, 289C, 289C2, 299C.
• Compact wheel loaders: 906, 906H, 907H, 908, 908H.
• Excavators: 311, 311C, 312, 312C, 312C L, 314C, 315C, 317B LN, 318B, 318C, 319C, 320 L, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LRR, 320D RR, 320N, 321C, 321D LCR, 323D L, 323D LN, E110B, E120B, E200B.
• Industrial engines: 3044C, C3.4.
• Multi terrain loaders: 257B3, 267B, 277C, 277C2, 287C, 287C2, 297C.
• Skid steer loaders: 236B, 236B3, 242B3, 246C, 252B, 252B3, 256C, 262C, 262C2, 268B, 272C.
• Track loaders: 933C, 939, 939C.
• Track-type tractors: D3C III, D3G, D4C III, D4G, D5C III, D5G.

Specifications