BOLT ASSEMBLY FOR KNOCK SENSOR NEW IMPROVED STYLE

• Requires 2 Each - One per side of engine
• BOLT ASSEMBLY FOR KNOCK SENSOR
• IND-495039B-1
• Replaces Indmar S397009

Actual Sensor Sold Separately - Use Part # 55-1392

Improved Replacement Socket & Stud for 2006 and newer Indmar engine knock sensors.

Newer version socket is two pieces where socket stays mounted inside the engine block and post comes out with sensor.

• Stud & Socket Only
• Not Used on LCR, LTR other Indmar Low Cost motors
• This Socket and post replaced the one piece post & nut.
• Socket is threaded all the way through, allowing water to drain from the block once the post is removed.
• It is still recommend to remove the socket to make sure all the water drains out.
• NOTE! Be SURE to never install anything in between the block and the knock sensor other than what is stock
• It is crucial for the engines ignition system that the knock sensor has a proper connection to the engine block