Genuine Tohatsu NGK PZFR6H Spark Plug MD40B MD50B TLDI
P-PZFR6H
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NGK PZFR6H PLATINUM SPARK PLUG FOR TOHATSU TLDI
Genuine-specification NGK platinum spark plug for selected Tohatsu and Nissan MD40B/MD50B 40–50 HP TLDI direct-injection two-stroke outboards. Correct plug type and gap are essential for reliable ignition, starting and combustion on the TLDI system.
KEY FEATURES
- NGK PZFR6H platinum spark plug
- Specified by Tohatsu for MD40B and MD50B TLDI engines
- Resistor-type plug for electronic ignition systems
- Factory electrode gap: 0.8 mm
- Listing quantity: 1 spark plug
TECHNICAL SPECIFICATIONS
- Manufacturer: NGK
- Plug type: PZFR6H
- NGK stock number: 7696
- Electrode type: platinum
- Thread diameter: 14 mm
- Thread reach: 19 mm
- Hex size: 16 mm
- Electrode gap: 0.8 mm
- Tohatsu OEM reference: 9701-1-1108 / 97011-1108M
ENGINE COMPATIBILITY
- Tohatsu MD40B — 40 HP TLDI, selected production
- Tohatsu MD50B — 50 HP TLDI, selected production
- Nissan Marine NSD40B — selected TLDI versions
- Nissan Marine NSD50B — selected TLDI versions
Verified catalogue example: 2006 MD40B/MD50B and NSD40B/NSD50B. The MD40B catalogue shows PZFR6H from serial 011601XC onward.
Not for: MD40B2/MD50B2 when their manual specifies IZFR6J or IZFR6Q, and not for a 60 HP TLDI engine. Always follow the plug type printed in the owner’s manual for the exact model and serial number.
QUANTITY REQUIRED
The MD40B/MD50B is a three-cylinder engine and normally requires 3 spark plugs for a complete replacement. This listing is priced and supplied per individual plug.
CHECK BEFORE ORDERING
- Confirm the full engine model, including the B or B2 suffix.
- Record the complete serial number and production year.
- Check that the service manual specifies NGK PZFR6H.
- Do not substitute a different heat range or electrode type based only on horsepower.
FREQUENTLY ASKED QUESTIONS
HOW MANY PLUGS DO I NEED?
The MD40B/MD50B engine has three cylinders, so a complete change normally requires three plugs. This listing contains one.
DOES THIS FIT MD40B2 OR MD50B2?
Not automatically. Later B2 variants can specify a different NGK plug. Check the owner’s manual and serial number before ordering.
WHAT IS THE ELECTRODE GAP?
The NGK specification for PZFR6H is 0.8 mm. Inspect the plug before fitting and follow the engine service manual.
DOES IT FIT A 60 HP TLDI?
No verified 60 HP TLDI application is listed by Tohatsu for this plug. Do not select it from horsepower alone.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
