
O-ring for Bing 17+18 and SRF carburetors.
Installed on Puch Maxi LG1 & LG2, Sachs 503 and Zündapp Belmondo.
Mounted between intake manifold and carburettor to prevent false air from entering the intake.
Outer diameter: 23 mm
Original BING spare part manufactured in Germany in OEM quality.
| Manufacturer | BING |
| Place of use | Carburetor |
| Ø outside | 23 mm |
| Universal | |
| Puch | E50 ZA50 (air-cooled) |
| Sachs | 503 - ADV 535 |
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