2H-3931 82.14 mm ID O-Ring
O-Ring
Description
O-rings are used for static sealing and some dynamic applications.
Features
Cat® O-rings are made from materials compatible with the fluids, temperatures and pressures in Cat engines and machines. These materials resist wear and extrusion, giving the seals excellent compression set resistance. In addition, some Cat O-rings are coated with PTFE to minimize seal twisting and cutting during installation.
Our O-rings are dimensioned to strictly follow tight tolerances, ensuring they are properly seated in the seal groove with the right seal compression.
With more than 2500 different sizes and materials of O-rings, Cat O-rings are the best solution for the O-ring needs of your Cat and other mobile equipment.
Cat sealing systems prevent leaks and contamination of more expensive parts. Genuine Cat seals protect your investment.
Applications
O-rings are used in many static and dynamic joints in Cat machines and engines.
Specifications
| Material Hardness | 75A |
|---|---|
| Polymer | NBR (Nitrile butadiene) |
| Dash Size | 0 in |
| Cross-Section Diameter | 3.53 mm (0.139 in) |
| Inside Diameter | 82.14 mm (3.234 in) |
| Material | NBR (75) |
Compatible Equipment
- Generator Sets: 3406C, 3406B, C7.1, C9, G3516
- Track Loaders: 824C, 963, 824G, 816F, 972, 994K, 995
- Cold Planers: PM622, PL83, PM620, PL87
- Motor Graders: 140G, 16, 140H, 140 GC, 16M3, 120H, 120, 12H, 16M, 14M, 160K, 18, 14, 16H, 140K, 12K
- Compactors: 815, 814, 816
- Engines: C7, C32
- Dozers: D5K XL, D5K LGP, D7H, D4E, D6T, D5H, D6G, D6R II, D7R II, D7G, D9L, D6R, D7R, D6T LGP, D4, D8, D6K2, D8T, D9N, D6R III, D3K2 LGP, D8L, D5K2 XL, D6G2 LGP, D4G, D6G2 XL, D8R, D5G, D10R, D10, D10N, D11R, D9R, D3G, D7, D9, D6R XL, D11N, D1, D9T, D6R LGP, D8N
- Excavators: 637E, 657G, 637G, 637K, 6020B, 621K, 621G, 621H, 416E, 325B L, 311D LRR, 315C, 315D L, 120 GC, 6030, 3508B
- Wheel Loaders: 950, 910, 834, 966H, 972H, 980G, 950H, 972G, 972L, 966L, 966K, 980, 906K, 966, R1300G, R1700 II, 992C
- Off-Highway Trucks: 773, 725, 777D, 797F, 789D, 777, 777E, 740, 789, 740B, 771D, 785, 785D, 735, 773D, 793, 745, 745C, 730, 740 GC, 793D
- Asphalt Pavers: AP355F, AP300F
- Skid Steer Loaders: 24








