This is an O-Ring for the following Caterpillar 3408, 3208 and 3412 engine models:
- C18 Engineer Support Tractors
- 518, 120C, 530B, 528, 525, FB518, 545, 508, 528B and 515 Wheel-Type Skidders
- 973C, 973, 983, 977H, 955K, 951, 941B, 977K, 941, 951B, 943, 963, 955H, 951C, 953, 931B, 955L, 931, 977, 963C, 955, 983B, 977L, 973D and 977A Track-Type Loaders
- 815B, 825C, 815, 816, 826C, 826B, 815F, 816F, 836, 825, 825H, 825G, 815F II, 836H, 816B, 816F II, 836K, 825B, 826G, 836G, 826G II, 826H and 826K Earthmoving Compactors
- PR-750B, PM820, PR-1000C, PM822, PM620, PM-565, PM-825, PM-200, PR-1000, PM-201, PM622, PM-465, PR-450, PR-450C and PM-565B Cold Planers
- 125C, 517, 120C and 527 Track-Type Skidders
- 426C, 420D, 436C, 438C, 420E, 424D, 432D, 444E, 428D, 416D, 428C, 430D, 438D, 416C, 450E, 442D, 430E, 434E, 442E, 450F and 432E Backhoe Loaders
- 226, 216 and 228 Skid Steer Loaders
- 572G, 594H, 583K, PL83, 561D, 589, PL87, PL72, 572F, 594, 571G, 561C, 571F, 572R, 583R, 578, 583T, 587T, 561B, 572R II and 587R Pipelayers
