NGK CPR6EA-9 6899 Spark Plug Suzuki DF4-DF30A 4-Stroke Outboard
CPR6EA-9-NGK
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NGK CPR6EA-9 Spark Plug for Suzuki Outboards
NGK Standard Nickel Spark Plug | CPR6EA-9 / 6899
Genuine NGK CPR6EA-9 projected-tip resistor spark plug with a 10 mm thread, 19 mm reach and 0.9 mm nominal gap. Suzuki lists this plug under marine service reference 09482-00L04 for selected portable and small four-stroke outboards.
Key Features
- ✔ Projected nickel centre electrode
- ✔ Internal resistor for RFI suppression
- ✔ 10 mm × 1.0 thread
- ✔ 19 mm reach with gasket seat
- ✔ 0.9 mm suffix gap
- ✔ NGK heat range 6
Technical Specs
| NGK code | CPR6EA-9 |
| NGK stock number | 6899 |
| Thread | 10 mm × 1.0 |
| Reach | 19 mm / 3/4 in |
| Hex | 16 mm / 5/8 in |
| Seat | Gasket |
| Nominal gap | 0.9 mm / 0.035 in |
| Heat range | 6 |
| Resistor | Yes |
Compatibility / Fitment Guide
Verified Suzuki family use: Suzuki marine reference 09482-00L04 is associated with CPR6EA-9 on selected DF4, DF6, DF9.9, DF15A, DF20A, DF25A and DF30A four-stroke outboards.
Serial check: Suzuki parts data divides applications by model suffix and serial number—for example later DF4/DF6 generations. Read the complete model and serial plate and confirm 09482-00L04 or CPR6EA-9 before purchase.
Not interchangeable: CR6HS/CR6HSB have a shorter reach, while CPR6EA-9S and other suffixes must be verified from current Suzuki service data. A similar 10 mm thread is not sufficient.
Part Number Cross Reference
| NGK part | CPR6EA-9 |
| NGK stock | 6899 |
| Suzuki marine reference | 09482-00L04 / 09482-00L04-0000 |
| 4Boats SKU | CPR6EA-9-NGK |
Cross-reference numbers identify applications; always confirm the engine model, serial range and plug specification before substitution.
Frequently Asked Questions
Does it fit all Suzuki DF4–DF30 outboards?
No. It fits selected models and serial ranges; confirm CPR6EA-9 or Suzuki 09482-00L04.
What does -9 mean?
It denotes a 0.9 mm nominal electrode gap in NGK coding.
Can I use CR6HSB instead?
No, not unless Suzuki specifies it; the reach and firing-end design differ.
How many are supplied?
One spark plug. Order the cylinder quantity required by the engine.
Fit only the plug specified by the engine manufacturer. Check the gap before installation and use the torque stated for the engine’s cylinder-head material and service condition.
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