Description
Overview:
The Piston for Robin/Subaru EH12 Engine is a precision-machined replacement component for small 4‐stroke petrol engines used on construction and garden machinery. Made from durable aluminium alloy for strength, heat dissipation, and low reciprocating mass, it converts combustion energy into motion and helps maintain correct compression when paired with the appropriate rings. Designed to match the original specification for the EH12, it supports reliable running across demanding site and outdoor conditions. A direct OEM replacement (OEM No. 252-23403-03), it provides a precise fit and consistent performance without modification. Suitable for equipment such as plate compactors, generators, water pumps, mixers, tillers, and other machines powered by the Robin/Subaru EH12 engine.
Key Features:
- OEM-matched replacement for Robin/Subaru EH12 (OEM No. 252-23403-03) for a precise fit
- Aluminium alloy construction for strength, heat control, and reduced weight
- Precision-machined surfaces to support smooth operation and dependable sealing (with correct rings)
- Helps restore lost compression and engine performance after wear or damage
- Designed for straightforward installation with standard workshop tools
- Suitable for frequent use in tough site and garden environments
- Supports reliable starting, steady power delivery, and long service life when maintained correctly
- Compatible with standard EH12 associated components (rings, gudgeon pin, circlips) to manufacturer spec
Typical Applications:
Engine overhauls and repairs on equipment powered by the Robin/Subaru EH12, including plate compactors, generators, water pumps, concrete/cement mixers, rotavators, and other compact machinery used by landscapers, hire fleets, contractors, and homeowners.
Also known as:
Subaru Robin EH12 piston, engine piston for EH12, EH12 replacement piston, Subaru EH12 cylinder piston, Robin EH12 piston component, piston body for Subaru/Robin small engine.
Fits Models:
EH12
Alternate Part Numbers:
252-23403-03, 2522340303, RB252 23403 03
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