Buna N Rubber O-Rings, 10 pack, use with Unleaded, Alcohol and Ethanol fuels
Part number: AF174-03 to AF174-20 Sizes in table below
Replacement BUNA N O-rings are compatible with most fuels (unleaded, alcohol and ethanol), hydraulic fluids, and lubricants up to a temperature limit of 135°C.
| Part Number | Inside Diameter | Outside Diameter |
| AF174-03 | 7mm (19/64") | 11mm (7/16") |
| AF174-04 | 9mm (23/64") | 13mm (1/2") |
| AF174-06 | 12mm (15/32") | 16mm (5/8") |
| AF174-08 | 17mm (21/32") | 21mm (13/16") |
| AF174-10 | 19mm (3/4") | 24mm (15/16") |
| AF174-12 | 24mm (15/16") | 29mm (1-9/64") |
| AF174-16 | 29mm (1-9/64") | 35mm (1-3/8") |
| AF174-20 | 39mm (1-9/16") | 43mm (1-11/16") |
