NGK FR5-1 / FR51 / 7252 Standard Spark Plug Replaces OE041 RC12LYC KJ16CR-L11 K16TT (7252 ) This is the workhorse, the plug that is at the heart of smooth-running engines around the world. OEM quality Triple-gasket sealing process Consistent performance Plug of choice in millions of vehicles BOX DIMENSIONSHeight (mm): 85 Width (mm): 24 Length (mm): 22 If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above.