37.99 mm piston with two 2 mm rectangular piston rings with flank lock (FS) suitable for Sachs 504/2 ACH and 504/1 ACH mopeds / mopeds.
The detailed dimensions of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their positions and locking types on the legend in the images.
Tolerance type: C
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Original Sachs spare part number: A4358
Quality product from the Italian manufacturer Meteor.
| Nominal diameter | 38 mm |
| Manufacturer | Meteor |
| Ø outside piston (A) | 37.99 mm |
| Compression height (C) | 28 mm |
| Curvature (D) | 3 mm |
| Total piston height (E) | 53 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 mm |
| Ø piston pin (B) | 12 mm |
| Tolerance group | C |
| Piston weight | 77 g |
| Sachs | 504 (without pedal shaft) |
Accessories & related products
Meteor piston 37.97 mm type A | Sachs 504
Nominal diameter: 38 mm · Manufacturer: Meteor · Ø outside piston (A): 37.97 mm · Compression height (C): 28 mm · Curvature (D): 3 mm · Total piston height (E): 53 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 2 mm · Ø piston pin (B): 12 mm · Piston weight: 78 g
EUR 69.30
Meteor piston 37.98 mm type B | Sachs 504
Nominal diameter: 38 mm · Manufacturer: Meteor · Ø outside piston (A): 37.98 mm · Compression height (C): 28 mm · Curvature (D): 3 mm · Total piston height (E): 53 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 2 mm · Ø piston pin (B): 12 mm · Tolerance group: B · Piston weight: 77 g
EUR 69.30
Moped fans also bought
Rear light glossy chrome - red
Material: Plastic · Test mark: none · Color: Chrome · Color: red · Width: 65 mm · Height: 45 mm · Bulb holder: BA9s · Ø Receptacle: 3.5 mm · Mounting type: Nuts & bolts · Brake light: No · Battery operated: No · Reflectors: Yes · Number of fixing points: 1 pcs · Depth: 55 mm
EUR 12.10
GPO fork lock | Puch
Ø rotating part: 12 mm · Manufacturer: GPO · Wide locking block: 4.1 mm · Locking block length: 15.3 mm · Material: Brass · Material: Spring steel · Material: Steel · Surface: blank · Width: 17 mm · Ø outside: 12 mm · Ø Pin: 8 mm · Length of turned part: 25.6 mm · Total length: 40.8 mm
EUR 12.90
GPO headlight angular chrome / black without switch
Width: 120 mm · Manufacturer: GPO · Test mark: none · Housing material: Plastic · Surface: chrome-plated · Surface: raw · Tension: 6 V · Tension: 12 V · Area of application: Standard · Lens material: Plastic · Color: Chrome · Color: black · Color: transparent · Bulb holder: BA15d · Mounting type: screw in (thread) · Number of fixing points: 2 pcs · Depth: 140 mm · Speedometer recording: 48 mm · Height: 86 mm · Thread size: M6 · Switch included: No · Battery operated: No
EUR 24.40
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø Stranded wire: 1.25 mm · Nipple shape: Cylinder · Ø nipple: 3 mm · Nipple length: 5 mm · Manufacturer: Made in Germany · Area of application: Standard · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Cable length: 2200 mm
EUR 2.95
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø Stranded wire: 1.8 mm · Nipple shape: Pears · Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Manufacturer: Made in Germany · Area of application: Standard · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Cable length: 2200 mm
EUR 2.95
Motorex engine oil (gear oil) manual 450 ml
Manufacturer: Motorex · Viscosity (SAE): 80W · Area of application: Gearbox lubrication with clutch · Oil type: GL4 · Contents [ml]: 450 ml · Gearbox type: Foot control · Gearbox type: Manual gearshift · Temperature resistance (min.): -30 - 220 °C
EUR 12.10
EUR 26.89/l
Fortune / Merrick 2.00-2.50 x 16/17" inner tube
Manufacturer: Fortune · Tire width [inch]: 2 - 2.5 " · Tire width [mm]: 50.8 - 63.5 · Width [inch]: 2 · Width [inch]: 2 1/4 · Width [inch]: 2 1/2 · Tire height [%]: 100 · Valve type: TR4 Auto valve · Old designation: 20 x 2 · Old designation: 20 x 2.25 · Old designation: 20 x 2.5 · Old designation: 21 x 2 · Old designation: 21 x 2.25 · Old designation: 21 x 2.5 · Wheel size [inch]: 16 - 17 " · Wheel size [inch]: 17 "
EUR 12.10
Not so nice 
Fortune 2.25 x 17" tires 2 P.R. Allround
Manufacturer: Fortune · Tire width [inch]: 2.25 " · Color: black · Tire width [mm]: 57.15 · Width [inch]: 2 1/4 · Speed index: N = 140 km/h · Load capacity index: 35 = 121 kg · Profile type: 2 P.R. · Tire type: Allround · Old designation: 21 x 2.25 · White wall: No · Wheel size [inch]: 17 " · Tubeless (yes/no): Tubetype TT (requires hose)
EUR 33.00
Collection only possible with online purchase and appointment.
