Tough flywheel nut / collar nut with M10x1 fine thread for your moped, moped or small motorcycle with Bosch ignition or for universal use.
This flywheel nut can be used on various Puch, DKW, Sachs, Zündapp, Kreidler and Hercules Prima models, among others, which have a Bosch ignition with a diameter of 90 mm and the corresponding thread on the crankshaft.
You can find more flywheel nuts and tongues in the accessories section.
Alternative of the original Puch spare part number: 901.2943
Alternative of the original Sachs spare part number: A4513 / 0942 072 102
| Ø outside | 20 mm |
| Material | Steel |
| Surface | blackened |
| Area of application | Standard |
| Nut type | Flange nut |
| Height | 10.2 mm |
| Drive | External hexagon |
| Width across flats | 14 mm |
| Thread type | MF10x1 (fine pitch thread) |
| Puch OEM number | 901.2943 |
| Sachs OEM no. | A4513, 0942 072 102 |
| Puch | E50 ZA50 (air-cooled) ZA50 (fan-cooled) Z50 (X30 Sport) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
| Sachs | 50 (Fahrtwind, 1.25 / 1.5 hp, DE) 502 (Saxonette) - AL , AML 50/2 - L CH (0.8 PS) , ML CH (0.8 PS) , MB (2.6 PS) , MLB (2.6 PS) 50/3 50/4 - MLFB (2.6 PS) , LKH (4.5 PS) 50/5 503 - AAL , ABL , 2AL / 2BL , AB , AC , ADV 504 (without pedal shaft) 505 (with pedal shaft) - 1A (AT) , 2A (HG) 508 - 1 A 535 502 1A / 1B (torpedo) |
| Zündapp Belmondo | |
| DKW | |
| Hercules | |
| Kreidler | |
| Zündapp | 247 Motor |
Ratings
Accessories & related products
GPO flywheel 6V / 17W clockwise | Puch E50
Manufacturer: GPO · Material: Plastic · Material: Steel · Tension: 6 V · Ø Internal flywheel: 91.1 mm · Performance: 17 W · Direction of rotation: right · Ø cone small inside: 11.5 mm · Height: 36.5 mm · Ø cone large inside: 15 mm · Ø Flywheel outside: 116.5 mm · Cone length: 18.5 mm · Cone ratio: 1:5 · Weight: 900 g · Thread length: 7 mm · Thread type: MF26x1.5 (fine pitch thread)
EUR 100.80
Nut M10x1 SW14 Flywheel
Manufacturer: GPO · Material: Steel · Surface: galvanized (blue) · Nut type: Flange nut · Drive: External hexagon · Height: 8.9 mm · Ø outside: 18.8 mm · Thread type: MF10x1 (fine pitch thread) · Width across flats: 14 mm · Area of application: Standard · Pony OEM number: A4513 · Sachs OEM no.: 0942 072 102
EUR 2.75
Bosch flywheel clockwise NOS | Puch E50
Manufacturer: BOSCH · Material: Steel · Ø Internal flywheel: 91.2 mm · Direction of rotation: right · Ø cone small inside: 11.9 mm · Height: 36.6 mm · Ø cone large inside: 15 mm · Ø Flywheel outside: 115.8 mm · Thread type: MF26x1.5 (fine pitch thread) · Thread length: 6.5 mm · Cone length: 17.8 mm · Cone ratio: 1:5 · Weight: 900 g
EUR 246.60
HS-Retro nut M10x1 SW14 flywheel CNC original
Ø outside: 19.8 mm · Manufacturer: HS-Retro · Material: Steel · Surface: burnished · Nut type: Flange nut · Drive: External hexagon · Height: 10 mm · Thread type: MF10x1 (fine pitch thread) · Width across flats: 14 mm · Alternative version of the Pony OEM number: A4513 · Alternative version of the Puch OEM number: 901.2943 · Alternative version of the Sachs OEM number: 0942 072 102
EUR 10.00
Moped fans also bought
Hot 
BERU spark plug connector / 1 kΩ interference suppressed
Color: silver · Manufacturer: BERU · Material: Sheet metal (steel) · Ø cable: 5 mm · Ø cable: 7 mm · Spark plug socket: M4 · Cable available: No · Suppressed: Yes · Resistance: 1000 Ω · Subcategory: Spark plug connector · Pony OEM number: A2099 · Sachs OEM no.: 0265 100 00
EUR 10.10
Hot
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø nipple: 3 mm · Nipple length: 5 mm · Manufacturer: Made in Germany · Number of components: 1 pcs · Material: Steel · Surface: galvanized (blue) · Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple shape: Cylinder · Area of application: Standard
EUR 2.75
swiing® revival tension spring for clutch pressure plate | Puch E50
Thickness: 2 mm · Manufacturer: swiing® revival parts · Material: Spring steel · Place of use: Clutch · Ø inside: 100 mm · Ø outside: 104 mm · Area of application: Original · Alternative version of the Puch OEM number: 349.1.12.009.1
EUR 5.85
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
