
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 |
| Weight piston kit | 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 · Weight piston kit: 78 g
CHF 56.50
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 · Weight piston kit: 77 g
CHF 56.50
Moped fans also bought
Rear light glossy chrome - red
Material: Plastic · Test mark: none · Color: Chrome · Color: red · Bulb holder: BA9s · Mounting type: Nuts & bolts · Ø Receptacle: 3.5 mm · Height: 45 mm · Depth: 55 mm · Brake light: No · Reflectors: Yes · Battery operated: No · Width: 65 mm · Number of fixing points: 1 pcs
CHF 9.90
GPO fork lock | Puch
Ø Pin: 8 mm · 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 · Ø outside: 12 mm · Width: 17 mm · Length of turned part: 25.6 mm · Total length: 40.8 mm
CHF 10.50
GPO headlight angular chrome / black without switch
Manufacturer: GPO · Test mark: none · Surface: chrome-plated · Surface: raw · Color: Chrome · Housing material: Plastic · Area of application: Standard · Color: black · Color: transparent · Bulb holder: BA15d · Lens material: Plastic · Mounting type: screw in (thread) · Tension: 6 V · Tension: 12 V · Speedometer recording: 48 mm · Height: 86 mm · Switch included: No · Depth: 140 mm · Battery operated: No · Width: 120 mm · Number of fixing points: 2 pcs · Thread size: M6
CHF 19.90
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple shape: Cylinder · Ø nipple: 3 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Nipple length: 5 mm · Number of components: 1 pcs · Area of application: Standard
CHF 2.40
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø Stranded wire: 1.8 mm · Cable length: 2200 mm · Nipple shape: Pears · Ø nipple: 3.5 mm · Ø nipple: 6 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Nipple length: 10 mm · Number of components: 1 pcs · Area of application: Standard
CHF 2.40
Motorex engine oil (gear oil) manual 450 ml
Temperature resistance (min.): -30 - 220 °C · Manufacturer: Motorex · Viscosity (SAE): 80W · Oil type: GL4 · Contents: 450 ml · Gearbox type: Foot control · Gearbox type: Manual gearshift · Area of application: Gearbox lubrication with clutch
CHF 9.90
CHF 22.00/l
Fortune / Merrick 2.00-2.50 x 16" / 17" inner tube
Manufacturer: Fortune · Tire width: 2 - 2.5 " · Tire width: 2.25 - 2.5 " · Tire width: 2.5 " · Tire width [mm]: 50.8 - 63.5 · Width: 2 " · Width: 2 1/4 " · Width: 2 1/2 " · Tire height [%]: 100 · Wheel size: 16 - 17 " · Wheel size: 17 " · 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 " · Valve type: TR4 Auto valve
CHF 9.90
Fortune 2.25 x 17" tires 2 P.R. Allround
Inventory-managed: No · Color: black · Manufacturer: Fortune · Tire width: 2.25 " · Tire width [mm]: 57.15 · Width: 2 1/4 " · Old designation: 21 x 2.25 " · Speed index: N = 140 km/h · Load capacity index: 35 = 121 kg · Profile type: 2 P.R. · Tire type: Allround · White wall: No · Wheel size: 17 " · Tubeless (yes/no): Tubetype TT (requires hose)
CHF 28.50













