399-3942 Caterpillar engine oil pressure sensor adapter for engine spare part

Product Advantages

1. OEM thread specification for accurate positioning, direct replacement without modifying engine oil gallery.
2. Flat sealing surface with stable pressure resistance, prevents oil leakage under high temperature.
3. Compact size, suitable for limited installation space around the sensor port.
4. Enables interchange of different oil pressure sensors on the same engine platform, flexible stocking.
5. Resists oil corrosion and pulsating oil pressure for reliable service life.

FAQ 

Q: What usually causes oil leakage from the adapter?
A: Mostly worn O-ring, dirt on sealing face or improper tightening torque. Check seal first.

Q: Can it adapt pressure sensors from other brands?
A: It works if threads match, but verify pressure range and ECU signal compatibility.

Q: Can the inner bore get clogged easily?
A: The bore is standard size. It stays clear if chips and debris are removed during assembly.