Description
Overview:
This breather pipe is a service hose used on small petrol engines to vent crankcase gases safely back to atmosphere or intake, helping to control internal pressure and moisture. It is typically manufactured from durable, oil‐ and fuel‐resistant rubber for long service life in tough site and garden conditions. By maintaining steady airflow, it helps reduce the risk of oil leaks, blown seals, and rough running. Suitable for construction and garden machinery powered by Robin/Subaru small engines, such as generators, water pumps, plate compactors, and mowers. Referenced as Robin RB350 65501 03, it is a practical replacement when the original breather line becomes brittle, cracked, or blocked, restoring reliable engine ventilation without complicated adjustments.
Key Features:
- Maintains correct crankcase ventilation to prevent pressure build‐up and oil weep
- Durable, oil‐ and fuel‐resistant rubber construction for everyday site use
- Flexible hose design helps resist kinking and allows tidy routing around engine components
- Helps stabilise idle and overall running by allowing consistent airflow
- Reduces contamination by directing vapours away from sensitive components
- Straightforward push‐fit replacement on barbed or spigot connectors (where fitted)
- Suitable for small petrol engines used across construction and garden equipment
- Designed for long service life under heat, vibration, and weather exposure
- Low‐cost preventative maintenance item that protects seals and gaskets
Typical Applications:
Used on small Robin/Subaru‐powered equipment including site generators, water pumps, plate compactors, trench rammers, concrete saws, lawn mowers, scarifiers, tillers, and other light machinery. Ideal when refurbishing engines showing cracked or hardened ventilation hoses, or when troubleshooting pressure‐related oil leaks and inconsistent running.
Also known as:
Breather hose, engine breather pipe, crankcase breather hose, crankcase vent hose, rocker cover breather tube, ventilation hose, PCV breather line (non‐valved), engine ventilation pipe.
Product Specifications
| L&S Part No. | RB350 65501 03 |
|---|---|
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Robin |
| Key Features | - Oil- and fuel-resistant rubber for durability - Suitable for Robin/Subaru small engines - Prevents pressure build-up and oil leaks - Flexible design resists kinking - Push-fit replacement on barbed connectors |
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