Generic O-Ring [20-1/2" ID] [5/16" CS] O-103 (O-103) nutsboltsscrews Matching the correct part helps

Matching the correct part helps preserve intended adjustment behavior and supports cleaner control restoration

more finished visual presentation

That keeps the repair practical while still delivering a result you can see and feel immediately

The 3 Jets and Aux layout gives this overlay its specific value because it preserves the intended feature mapping of the original topside

Generic O-Ring [20-1/2" ID] [5/16" CS] O-103 (O-103) nutsboltsscrews Matching the correct part helpsAn O ring helps create a dependable seal at a compatible very large circular connection, and this generic version is sized with a 20 1 2 inch inside diameter and 5 16 inch cross section using the O 103 reference. When a large O ring with this profile becomes worn, flattened, or cut, the assembly can lose the sealing support it should maintain around the full circumference. The 5 16 inch cross section gives this O ring practical value because larger