Description
Overview:
This Genuine Part O-ring from Trelawny is a replacement seal for Jason/Trelawny pneumatic needle guns, engineered to restore airtight integrity and smooth running. Made from durable rubber, it sits within the tool's air path to seal mating components, helping to maintain working pressure, reduce leaks and preserve consistent performance. It is designed specifically for the Trelawny 3B and 4B needle guns and is built to withstand the vibration and repeated cycling common to these tools. Suitable for routine servicing or fault rectification, this black elastomer O-ring supports reliable operation on site and in the workshop. Manufacturer Part Number 809.0089 ensures you are fitting the correct OE-spec seal for dependable compatibility with the intended housings and grooves.
Key Features:
- Genuine Trelawny part for confirmed fit and compatibility with specified tools
- Durable rubber construction for dependable sealing under vibration and continuous use
- Helps maintain air pressure and tool efficiency by preventing air and lubricant leaks
- Sized to the correct groove dimensions for Jason/Trelawny 3B & 4B, avoiding guesswork
- Supports consistent needle action and trigger response for cleaner, smoother operation
- Straightforward to fit during routine maintenance or a seal refresh
- Suitable for demanding site environments typically encountered by needle scalers
- Helps reduce unplanned downtime and extends service intervals when replaced proactively
Typical Applications:
Used during service or repair of pneumatic needle guns to cure air leaks, loss of power, or inconsistent performance. Common in construction, metal fabrication, marine maintenance and surface preparation tasks such as removing rust, scale, paint and weld spatter from steel and concrete surfaces.
Also known as:
Seal ring, sealing ring, rubber gasket, ring seal, toroidal seal, packing ring, compressor/tool seal, pneumatic tool O-seal.
Fits Models:
3B, 4B, SC1, SC3
Alternate Part Numbers:
809.0089, 8090089