Description
Overview:
The Compression Tester - Genuine Husqvarna Part (OEM 531 03 16-86) is a workshop-grade tool for measuring cylinder compression on small petrol engines. Built for reliability, it combines a clear analogue gauge, a flexible hose, and metal screw-in adaptors to create a secure, leak-resistant seal in the spark plug port. Supplied with 14 mm and 18 mm adaptors, plus a long-reach option, it suits a wide range of engines with recessed plugs often found on compact housings. Ideal for routine checks and fault-finding on chainsaws, brushcutters, hedge trimmers, lawnmowers, generators, and cut-off saws, across both 2‐stroke and 4‐stroke platforms. As a genuine Husqvarna component, it supports consistent readings and long service life, helping you verify engine health, diagnose power loss, and confirm rebuilds or repairs with confidence.
Key Features:
- Genuine Husqvarna OEM 531 03 16-86 for trusted fit and quality
- Universal compatibility with 14 mm and 18 mm spark plug adaptors
- Long-reach adaptor for deep or recessed plug locations
- Durable construction with a flexible hose and metal fittings for repeat use
- Easy-to-read analogue dial for quick pass/fail assessment
- Screw-in connection for a secure, leak-resistant seal during testing
- Suitable for 2‐stroke and 4‐stroke small engines in garden and construction equipment
- Helps identify ring, cylinder, or valve sealing issues affecting performance
- Practical for both workshop benches and on-site servicing
- Designed for straightforward use by mechanics, technicians, and informed DIY users
Typical Applications:
Used to check starting issues, low power complaints, or irregular running by measuring cylinder compression. Useful after top-end work or full rebuilds to confirm sealing, and for comparing readings over time as part of preventive maintenance. Commonly applied to chainsaws, trimmers, blowers, lawnmowers, compact generators, and disc cutters used in landscaping and light construction.
Also known as:
Engine compression tester, compression gauge, cylinder pressure gauge, pressure tester for small engines, spark plug port compression tool, diagnostic compression meter, engine cylinder tester, motor compression checker.
Alternate Part Numbers:
531 03 16-86, 531031686
Product Specifications
| L&S Part No. | 531 03 16 86 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 531031686 |
| Unit of Sale | 1 |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna OEM 531 03 16-86 for trusted fit - Includes 14 mm and 18 mm spark plug adaptors - Long-reach adaptor for recessed plug locations - Flexible hose with metal fittings for durability - Suitable for 2‐stroke and 4‐stroke small engines |
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