NGK Spark Plug CR6HSB
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The NGK CR6HSB is a resistor-type spark plug for compatible small-engine and marine ignition applications. It is used where the engine manufacturer or existing plug specifically calls for CR6HSB.
Key Features
- NGK spark plug
- Part number: CR6HSB
- Resistor-style plug, indicated by the R in the NGK number
- Heat range: 6
- Short-reach small-engine plug style
- Used for compatible gasoline engine ignition systems
Engine Compatibility
Yamaha: F4A / F6A
Also compatible with several Johnson, Envirude, Suzuki and Force Outboards
. Use where the engine manual, parts diagram, or existing installed spark plug calls for NGK CR6HSB.
Fitment Notice
Confirm the exact plug number before ordering. NGK plugs with similar numbers, such as CR6HSA, may look close but can differ by electrode/terminal configuration or application requirement.
When This Part Needs Replacement
Replace when the engine has hard starting, misfire, rough idle, poor acceleration, fouling, worn electrodes, cracked porcelain, or weak spark.
Installation Notes
Check plug gap against the engine manufacturer's specification before installation. Install into clean threads, avoid overtightening, and use the engine service manual torque specification.
Alternate/Superseded Part Numbers
- NGK CR6HSB
Parts Desk Insight
Spark plug fitment should be matched by exact plug number whenever possible. Heat range, reach, resistor type, and terminal style all matter, especially on small marine and powersport engines where similar-looking NGK plugs may not interchange correctly.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.