What part number do I need for error code 71-10 seat position sensor?

I drive a 2005 Honda Accord and the airbag light turns on intermittently. I took it to the dealer and they ran a diagnostic test and told me the drivers side seat position sensor is bad. The error code they got was 71-10. I've had bad luck trying to find the part online. Does anyone know the part number so I can order it and fix it myself? Honda is asking for $1400 and I'm sure I can do it for less if I can just find the part.

74 errors kfkdnd

I wouldn't try fixing that myself. In fact with it being a 2005 vehicle I'd put a piece of black electrical tape over the air bag light and just keep wearing my seat belt.
I've never had an SRS air bag system malfunction due to a seat position sensor and question that mechanics diagnostic abilities.