Description
Overview:
The NGK CMR6H is a genuine spark plug designed for reliable ignition in Husqvarna handheld machines, especially chainsaws such as the 545 and 560 XP. Built with a robust metal shell and a durable ceramic insulator, it delivers a consistent spark to ignite the fuel-air mixture, helping engines start easily and run smoothly. This plug is suited to demanding two‐stroke applications where vibration, heat and frequent throttle changes are common. The 16 mm hex (0.63 inches) allows straightforward fitting with a standard plug spanner. As a service item, replacing a worn plug with a genuine NGK CMR6H helps maintain performance, reduce misfires and support clean combustion, protecting engine health and ensuring dependable operation in professional and domestic use.
Key Features:
- Genuine NGK CMR6H spark plug for dependable performance in Husqvarna handheld machines
- Consistent ignition for easier starting, smoother idle and better throttle response
- 16 mm hex (0.63 inches) fits common plug spanners for quick, simple replacement
- Built to withstand heat, vibration and fuel residues typical of two‐stroke engines
- High-quality construction supports long service life and stable performance
- Helps maintain fuel efficiency and reduce fouling when serviced at recommended intervals
- Suitable for regular maintenance to keep cutting performance and reliability on point
- Genuine Part for assured compatibility and fit
Typical Applications:
Ideal for routine maintenance of Husqvarna chainsaws and other handheld tools used in arborist work, forestry, landscaping, ground maintenance and farm tasks. Suitable where frequent starts, stop-start operation and varied loads require dependable ignition and clean running.
Also known as:
Ignition plug, engine plug, spark igniter, CMR6H ignition plug, small‐engine ignition plug, two‐stroke igniter, chainsaw ignition component.
Fits Models:
345FR, 524R, 545, 545 Mark II, 545F, 545FR, 545FX, 545FXAT, 545FXT, 545FXTAT, 545G Mark II, 545RX, 545RXT, 545RXTAT, 550 XP, 550 XPG, 550XP, 550XP Mark II, 550XPG, 550XPG Mark II, 555, 556, 560 XP, 560 XPG, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II, 592 XP, 592XP, T54, T540 XP II, T540XP, T540XP II, T540XPII
Alternate Part Numbers:
590 84 38 01, 590 84 38-01, 574 51 96-01, 574519601, 590843801
Product Specifications
| L&S Part No. | 574 51 96 01 |
|---|---|
| Part Type | Genuine Part |
| OEM No. | 574519601 |
| Unit of Sale | 1 |
| Applications | 345FR, 524R, 545, 545 Mark II, 545F, 545FR, 545FX, 545FXAT, 545FXT, 545FXTAT, 545G Mark II, 545RX, 545RXT, 545RXTAT, 550 XP, 550 XPG, 550XP, 550XP Mark II, 550XPG, 550XPG Mark II, 555, 556, 560 XP, 560 XPG, 560XP, 560XP Mark II, 560XPG, 560XPG Mark II, 562XP, 562XP Mark II, 562XPG, 562XPG Mark II, 592 XP, 592XP, T54, T540 XP II, T540XP, T540XP II, T540XPII |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 545 | 550XP, 550XPG | 555 | 556 | 560XP, 560XPG | 562XP, 562XPG | T540XP | T540XPII | 345FR | 524R | 545FR | 545FX | 545FXAT | 545RX | 545RXT | 545RXTAT | 545FXT | 545FXTAT | 592 XP | 550XP Mark II | 545 Mark II | 545G Mark II | 550XPG Mark II | 560XPG Mark II | 560XP Mark II | 562XPG Mark II | 562XP Mark II | 545F |
