NGK TR551 - Alternative spark plugs

There are 17 replacement spark plugs for NGK TR551. The cross references are for general reference only, please check specifications for your application.

Specifications for NGK TR551

Thread diameter
14.0 mm
Thread reach
17.5 mm
Hex size
16 mm

NGK TR551 replacement spark plugs

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Replacement spark plugs for NGK TR551 on Amazon

Bosch (7974) HR9LCY Super Plus Spark Plug, Pack of 1
Bosch (7974) HR9LCY Super Plus Spark Plug, Pack of 1
USD 6.99
ACDelco Professional 41-928 (19179571) Double Platinum Spark Plug (Pack of 1)
ACDelco Professional 41-928 (19179571) Double Platinum Spark Plug (Pack of 1)
USD 11.48
Denso IT16TT Iridium TT Spark Plugs 4713-4 PK
Denso IT16TT Iridium TT Spark Plugs 4713-4 PK
USD 41.39
Denso (4713) IT16TT Iridium TT Spark Plug, (Pack of 1)
Denso (4713) IT16TT Iridium TT Spark Plug, (Pack of 1)
USD 9.00
4PK TORCH Q5RTC2-15 Spark Plug Replace for NGK 3951/TR55 spark plug, for Champion Copper Plus 13
4PK TORCH Q5RTC2-15 Spark Plug Replace for NGK 3951/TR55 spark plug, for Champion Copper Plus 13
USD 19.99

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