Bosch Spark Plugs
SET of 4
Super 4
FR78N
Bosch Part No. 0 242 232 515 (same part number and specifications as FR78NX)
Made in Germany
Hex Spanner Size: 5/8" (16mm)
Thread Size: 14mm
Thread Length: 26.5mm
Thread Pitch: 1.25mm
Spark Position: 4mm
Factory Gap: 1.1mm
Gasket Type: Gasket Seat
Tip Configuration: Four (4) Ground Electrodes
Tightening Torque: 28nm
Tightening Angle: 90 degrees
Bosch Model Number Decoding ( FR78N ):
"F" - 14mm x 1.25mm, 16mm (Thread Size x Thread Pitch, Hex Spanner Size)
"R" - With interference suppression resistor
"78" - Bosch Spark Plug Heat Range (replacement for both heat range 7 and 8)
"N" - 26.5mm Thread Length / 4mm Spark Position (Projection)
Cross Reference:
Bosch FR78NX
Bosch FR7NII33X (Iridium)
Bosch FR7NPP33 (Platinum)
NGK LFR6C-11
NGK LFR6A-11
Nippondenso (Denso) K20HR-U11
Common Applications:
***Please also double check your owner's manual for spark plug and gap specifications***
Toyota 1TR-FE Engine (Innova)
Toyota 2TR-FE Engine (Fortuner)
***Each item is for a Set of Four (4) Spark Plugs, please see photo.***
Bosch Super 4 Spark Plug
- Equipped with four enhanced ground electrodes with surface air-gap design: Bosch Super 4 spark plugs are engineered for outstanding engine performance, high fuel economy and protection against carbon fouling.