Description
Overview:
The Valve Guide - Robin Part - RB132 12AA0 80 is a precision-engineered cylindrical bush that sits in the cylinder head and guides the valve stem. Made from heat-resistant metal for long service life, it keeps the valve running true so it seals correctly against the seat, helping to maintain compression, reduce oil consumption, and improve overall engine efficiency. Designed for small air‐cooled petrol engines commonly used in construction and garden machinery, it is suitable for equipment such as plate compactors, generators, water pumps, pressure washers, lawn mowers, and cultivators. The guide provides controlled clearance for the valve stem, supports heat transfer from the valve to the head, and resists wear under continuous high-temperature operation. It is a practical choice for routine maintenance or top‐end rebuilds where accuracy and reliability matter.
Key Features:
- Durable, heat-resistant metal construction for long service life in hot running conditions
- Precision internal bore to keep the valve stem aligned for consistent sealing and performance
- Helps restore compression and reduce exhaust smoke caused by worn guides
- Stable running clearances to minimise valve wobble and stem wear
- Assists heat dissipation from the valve to the cylinder head for improved reliability
- Made to suit typical OEM dimensions for straightforward press-fit installation
- Compatible with standard workshop practices such as measuring and finishing to clearance after fitting
- Suitable for intake or exhaust positions, depending on engine design
Typical Applications:
Used during cylinder head overhauls, valve train repairs, and preventative maintenance on small petrol engines in site equipment and garden tools. Common in generators, compactors, pumps, and mowers where correct valve guidance is required to maintain power, fuel efficiency, and clean running. Ideal for workshops, hire fleets, and DIY users refurbishing engines that show valve guide wear.
Also known as:
Valve stem guide, valve bush, guide bush, engine valve guide, cylinder head valve guide, intake valve guide, exhaust valve guide, valve stem bush. These terms describe the same component that supports and controls the movement of the valve stem within the cylinder head.
Product Specifications
| L&S Part No. | RB132 12AA0 80 |
|---|---|
| Unit of Sale | 1 |
| Fits Brands | Robin |
| Key Features | - Heat-resistant metal for long service life - Precision bore aligns valve stem for consistent sealing - Suitable for small air-cooled petrol engines - Compatible with intake or exhaust positions - OEM dimensions for easy press-fit installation |
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