Kolbenschmidt 93928620 Engine Piston

Kolbenschmidt Engine Piston 93928620 for Volkswagen 0.50 Repair Stage

Kolbenschmidt part number 93928620 is an engine piston for select Volkswagen 1.8L applications that require a 0.50 repair stage. It is specified with an 81.51 mm cylinder bore, 31.9 mm compression height, and 0.025 mm piston clearance for precise engine rebuild work.

Key Features

• Kolbenschmidt engine piston, part number 93928620
• Repair stage: 0.50
• Cylinder bore: 81.51 mm
• Compression height: 31.9 mm
• Piston clearance: 0.025 mm
• Piston protrusion: 1.3 mm
• Length: 62.2 mm
• Recess diameter: 56 mm
• Recess depth: 4.4 mm
• Component numbers: 18680, 18738, 18994

Detailed Description

This Kolbenschmidt piston is built for engine rebuilds that call for a 0.50 oversize repair stage and the listed dimensional specifications. The piston is identified by production number 081099 and cross-references OE-style part numbers 026 107 081 B and 026 107 081 D for the same application. Use 93928620 when matching bore size, compression height, and protrusion requirements during a Volkswagen engine overhaul.

Compatible With Volkswagen Cabriolet, 1985-1993; Volkswagen Golf, 1985-1992; Volkswagen Jetta, 1985-1992; and Volkswagen Rabbit Convertible, 1984. These fitments are tied to the repair stage 0.50 specification and should be verified against the engine’s measured bore and piston clearance before assembly. Kolbenschmidt 93928620 is a direct-fit rebuild component for these Volkswagen applications when the engine calls for the listed dimensions.

What This Part Helps Address

• Worn or scored cylinder walls during an engine rebuild
• Loss of compression from piston and bore wear
• Excessive piston-to-cylinder clearance
• Repair-stage machining that requires 0.50 oversize pistons
• Dimensional mismatch in Volkswagen 1.8L rebuild work

Installation Notes and Tips

• Confirm cylinder bore measurement before installation.
• Match the piston clearance and protrusion to the engine build specification.
• Verify recess depth and recess diameter against the original engine requirements.
• Check all component numbers during parts matching for rebuild consistency.
• Professional engine assembly and final measurement are recommended for this type of repair-stage piston.

Quality Assurance

Kolbenschmidt is a recognized engine component manufacturer, and this piston is produced to the listed dimensional specifications for rebuild accuracy. Part number 93928620 is intended for precise matching in Volkswagen engine repair applications.