Add an aftermarket oil pressure gauge or temp gauge to your Duramax easily with this stainless steel port adapter. Our adapters thread into any of the oil galley plugs along each side of the engine block and convert them to accept more readily available 1/8" NPT sensors.
Features:
- Low Profile Stainless Steel Construction
- Rubber Bonded Sealing Washer
- 14mm x 1.5 External Threads
- 1/8" NPT Sensor Port
- Compare to Autometer #2267 (Brass)