NOx module (using API benches):

 

Tools you need: medium Philips screwdriver, 7/16", 1/2", and 9/16" wrenches, cotton buds, gloves, water

 

Parts you need: Critical orifice 4mil [800-360001], Critical orifice 10mil [800-360002]

Tools you need: 7/16", 1/2", and 9/16" wrenches, tweezers

 

Parts you need: DFU filter [800-330029]