How do I confirm Malossi, Piston Rings (set) fits my scooter?

Compare the product name, SKU, photos, measurements, connector style, mounting points, and fitment notes with the part currently installed on your scooter before ordering.

What should I check before ordering Malossi, Piston Rings (set)?

Check your original part, scooter model, engine type, size, electrical connection, mounting style, and any listed compatibility notes. Many scooter parts look similar but are not interchangeable.

Malossi, Piston Rings (set)

Name: Malossi, Piston Rings (set) | Premium Scooter Parts
Brand: Scooterworks
SKU: M 357259
Price: 63.49 USD
Availability: InStock

$63.49

Part Number: 676327294318 SKU: M 357259 Category: Pistons

2 in stock

Part Number: 676327294318 SKU: M 357259 Category: Pistons

*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.

Product Details

Description

Malossi, Piston Rings (set) is a replacement piston assembly for compatible 139QMB scooter engine repairs or rebuilds.

Key Details

For 318437, 318430, 319477

Replacement Part Details

Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.

Compatibility / Fitment

Use the fitment details below to confirm this part matches your scooter before ordering.

Engine Code: 139QMB

Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.

Common Fitment Questions

Q: Will this fit a 139QMB engine?

A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.

Additional information

Weight	0.2 lbs
Dimensions	5 × 4 × 1 in

Piston ring 47,0 mm x 1.5 mm kit-complete (2 pieces)

348446A0 Piston 47,0 mm (A) Minarelli Scooter 50 (+ lie.) MHR Replica (68ccm Malossi Aluzylinder)
* 347849A0 Piston 47,0 mm (A) Piaggio Scooter 50 MHR Replica (68ccm Malossi Aluzylinder)
* Steh. 348446B0 Piston 47,0 mm (W) Minarelli Scooter 50 (+ lie.) MHR Replica (68ccm Malossi Aluzylinder)
* 347849B0 Piston 47,0 mm (W) Piaggio Scooter 50 MHR Replica (68ccm Malossi Aluzylinder)
* Steh. 348446C0 Piston 47,0 mm (C) Minarelli Scooter 50 (+ lie.) MHR Replica (68ccm Malossi Aluzylinder)
* 347849C0 Piston 47,0 mm (C) Piaggio Scooter 50 MHR Replica (68ccm Malossi Aluzylinder)
* 347849D0 Piston 47,0 mm (D) Piaggio Scooter 50 MHR Replica (68ccm Malossi Aluzylinder)
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