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Description
7599 – Spark Plug CMR5H NGK® (OEM Replacement Part)
The NGK CMR5H Spark Plug (Rotary 7599) is a high-quality OEM replacement spark plug designed for small engines used in outdoor power equipment. Engineered for reliable ignition performance, this copper-core spark plug ensures efficient combustion, smooth engine operation, and dependable starting in all conditions.
Manufactured to NGK’s strict standards, this spark plug features a durable construction that resists fouling and maintains consistent spark under high heat and load conditions. It is ideal for use in chainsaws, trimmers, blowers, and other small engine applications requiring a CMR5H plug.
This is a direct-fit replacement designed to restore original engine performance without modification.
Key Details:
- Item Number: 7599
- Plug Type: Spark Plug
- Model: CMR5H
- Brand: NGK® (OEM Replacement)
- Core Type: Copper core
- Function: Provides reliable ignition and efficient combustion
- Installation: Direct replacement for compatible small engines
Function:
Delivers consistent spark to ignite the air-fuel mixture, ensuring smooth engine operation, improved fuel efficiency, and reliable starting.
Replaces / Cross Reference:
- NGK: CMR5H
Compatible With:
Used in a wide range of small engines including:
- Chainsaws
- String trimmers
- Leaf blowers
- Hedge trimmers
- Other handheld outdoor power equipment
(Always verify plug type required by your equipment manufacturer.)
How It’s Used:
Installed in the engine cylinder head to provide ignition spark for combustion.
Suggested Maintenance:
- Inspect regularly for carbon buildup or wear
- Replace periodically based on manufacturer recommendations
- Ensure proper gap before installation
Notes / Equivalent Replacements:
- OEM-quality replacement for NGK CMR5H
- Designed for consistent performance and long service life
- Ideal for both residential and professional equipment

