Description
Overview:
The Piston Assembly for the Atlas Copco Cobra TT petrol breaker is a non-genuine replacement set designed to restore compression and reliable impact performance. Supplied as a complete kit, it includes the piston, piston rings, gudgeon pin, and circlips for straightforward refurbishment of the breaker's power unit. The piston is typically aluminium alloy for light weight and heat dissipation, with steel rings for sealing and wear resistance, and a hardened steel gudgeon pin and circlips for secure retention. Precision-made to match original dimensions, it supports smooth running and consistent output in demanding site conditions. Suitable for the Atlas Copco Cobra TT (MPN: L25TTPTRK01C), it is aimed at routine maintenance or the replacement of worn or damaged internal parts.
Key Features:
- Complete assembly: piston, rings, gudgeon pin, and circlips supplied together for a coordinated repair
- Non-genuine part offering a cost-effective alternative to OEM without compromising fit or function
- Aluminium alloy piston for strength-to-weight efficiency and good thermal behaviour
- Steel piston rings for reliable sealing, helping maintain compression and percussive power
- Hardened steel gudgeon pin and spring circlips for secure, durable pin retention
- Direct replacement for worn components, helping reduce blow-by and restore performance
- Manufactured to match original sizing for straightforward installation and correct clearances
- Supports efficient operation and can help extend service intervals when paired with proper lubrication
- Suitable for workshop or on-site maintenance of petrol breakers
Typical Applications:
Used to refurbish the power cylinder of a Cobra TT petrol breaker after wear, scoring, poor compression, or ring failure. Common during engine overhauls, performance restoration, or when diagnosing hard starting, loss of impact force, excessive smoke, or high fuel use. Suitable for routine preventative maintenance to keep handheld demolition tools operating reliably.
Also known as:
Piston kit, piston and ring kit, breaker piston, piston set, engine piston for petrol breaker, gudgeon pin kit, replacement piston assembly for demolition breaker, internal engine rebuild kit for Cobra TT.
Fits Models:
Cobra TT, CobraTT
Product Specifications
| L&S Part No. | 831 209 |
|---|---|
| Part Type | Non Genuine Part |
| OEM No. | L25TTPTRK01C |
| Unit of Sale | 1 |
| Machine Type | Breakers |
| Fits Brands | Atlas Copco |
| Key Features | - Complete kit: piston, rings, gudgeon pin, circlips - Aluminium alloy piston for lightweight and heat dissipation - Steel rings ensure reliable sealing and wear resistance - Hardened steel gudgeon pin for secure retention - Matches original dimensions for easy installation |
| Fits Models | Cobra TT |
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