Piston with Rings for Volvo B20/B30, up to 1973, 0.015" Oversize, Mahle

Piston Mahle / Volvo Original – B20/B30 +0.015" (89.29 mm)

Oversize OE piston for early Volvo B20 and B30 engines (up to model year 1973), intended for engine blocks that have been bored and honed to +0.015" (89.29 mm). Used during rebuilds to restore correct fit, sealing and durability.

The piston has a flat piston crown to original specification and is fitted with a 22 mm gudgeon pin, making it compatible with the original connecting rods. Supplied complete with piston rings and gudgeon pin, ready for installation in a fully machined block.

A proven choice for original restorations, period-correct builds and road and track engines where OEM character and reliable operation are the priority.

Specifications

• Engines: Volvo B20 (4-cyl) and B30 (6-cyl), up to -73

• Oversize: +0.015"

• Diameter: 89.29 mm

• Piston type: Flat piston crown

• Gudgeon pin: 22 mm

• Includes: 1 piston, piston rings and gudgeon pin

• Manufacturer: Mahle / Volvo original

• OE references: 3731-015, 3731.015, 03731015, 0373104, 272012