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.
| 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 |
| Nominal diameter | 38 mm |
| 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) |
Ratings
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
EUR 65.20
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
EUR 65.20
Explore categories from Piston
Moped fans also bought
- 12 %
Hot 
KMC drive chain 415H (reinforced) 128L
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Ø Pin: 3.94 mm · Manufacturer: KMC · Material: Steel · Surface: blank / oiled · Color: gray · Rolling circumference: 1626 mm · Number of chain links: 128 pcs · Chain lock type: Spring lock · Ø bore: 4 mm
EUR 14.40
EUR 12.60
GPO fork lock | Puch
Total length: 40.8 mm · Ø rotating part: 12 mm · Ø Pin: 8 mm · Manufacturer: GPO · Wide locking block: 4.1 mm · Length of turned part: 25.6 mm · Locking block length: 15.3 mm · Material: Brass · Material: Spring steel · Material: Steel · Surface: blank · Width: 17 mm · Ø outside: 12 mm
EUR 12.10
- 12 %
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 · Material: Steel · Surface: galvanized (blue) · Area of application: Standard · Ø Stranded wire: 1.25 mm · Cable length: 2200 mm · Nipple shape: Cylinder · Number of components: 1 pcs
EUR 2.75
EUR 2.40
- 12 %
Hot
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Area of application: Standard · Ø Stranded wire: 1.8 mm · Cable length: 2200 mm · Nipple shape: Pears · Number of components: 1 pcs
EUR 2.75
EUR 2.40
Motorex engine oil (gear oil) manual 450 ml
Manufacturer: Motorex · Oil type: GL4 · Viscosity (SAE): 80W · Contents: 450 ml · Area of application: Gearbox lubrication with clutch · Gearbox type: Foot control · Gearbox type: Manual gearshift · Temperature resistance (min.): -30 - 220 °C
EUR 11.40
EUR 10.30
EUR 22.89/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 · 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 · Wheel size: 16 - 17 " · Wheel size: 17 "
EUR 11.40
EUR 10.30
Not so nice 
Fortune 2.25 x 17" tires 2 P.R. Allround
Inventory-managed: No · Manufacturer: Fortune · Tire width: 2.25 " · Tire width [mm]: 57.15 · Color: black · 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)
EUR 32.90
Collection only possible with online purchase and appointment.
