Description
Overview:
The Crankcase Ay - Robin Part - RB521 10030 00 is a replacement crankcase assembly for small petrol engines commonly found in construction and garden machinery. The crankcase forms the main engine housing for the crankshaft and associated bearings, keeping components aligned and protected while maintaining oil sealing and structural rigidity. Manufactured from durable cast aluminium for strength and heat dissipation, it is designed to withstand vibration and heavy daily use on equipment such as generators, plate compactors, water pumps, tillers, and mowers. This assembly is suitable when the original case is cracked, worn, or has damaged threads or sealing surfaces, helping restore correct engine geometry and reliable performance. It supports straightforward servicing and is built for long-term dependability in demanding environments.
Key Features:
- Robust cast aluminium body for high strength, low weight, and effective heat dissipation
- Precisely machined bearing and sealing surfaces to help maintain correct crankshaft alignment
- Oil-tight joint faces ready for use with the specified gasket or sealant for your engine
- Corrosion-resistant construction suitable for outdoor and site use
- Pre-tapped mounting points to accept the correct fasteners and engine peripherals
- Compatible with standard service parts such as OEM bearings, seals, and dowels (where applicable)
- Designed for straightforward installation with typical workshop hand tools
- Suitable for heavy-duty cycles often seen in hire fleets and contractor equipment
- Helps recover engine performance and reliability after casing damage or wear
Typical Applications:
Used on small 4-stroke petrol engines powering construction and landscaping equipment. Typical examples include plate compactors, generators, pressure washers, water pumps, turf care machinery, rotavators, and lawn mowers. Ideal when repairing impact damage, stripped threads, cracked housings, or severe wear that affects oil retention and bearing alignment.
Also known as:
Crankcase assembly, crankcase housing, engine crankcase, crankcase body, engine lower casing, crank housing, crankcase half, engine crankcase shell.
Product Specifications
| L&S Part No. | RB521 10030 00 |
|---|---|
| Unit of Sale | 1 |
| Fits Brands | Robin |
| Key Features | - Durable cast aluminium for strength and heat dissipation - Precisely machined for correct crankshaft alignment - Oil-tight joint faces for effective sealing - Corrosion-resistant for outdoor and site use - Pre-tapped mounting points for easy installation |
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