PAI Industries 050721 Ammonia Sensor – Cummins ISB ISL ISX 4307496

PAI Industries 050721 Ammonia Sensor – Cummins ISB ISL ISX 4307496PAI Industries 050721 is an aftermarket NH3 (ammonia) sensor for Cummins SCR aftertreatment, replacing Cummins 4307496 and 2894841 on CM2350 ISB 6. 7L, QSB 6. 7L, ISL, ISX12, and ISX15 engines (20142018). The sensor sits downstream of the SCR catalyst, reports ammonia slip to the ECM, and closes the loop on DEF dosing to keep NOx and ammonia within emissions limits. Specifications Manufacturer PAI Industries Part Number 050721 OEM Number Cummins

Dryer Purge ValveCross Reference Information04-10-1057

Front crankshaft seal sold separately

Audible air leak at the top plate

PAI sensors meet or exceed OEM specifications and are individually tested after production to ensure exact fitment and reliable performance

This cab air spring fits the following trucks:

Volvo 21608003

Confirm your existing dash cutout

Replaces Mack 25133601 (also 76MF516M) and crosses to Dorman 603-5501 and Automann 575

For drive axle service-plus-spring positions

Monroe: 65102

Washer-fluid

The pan ships with the OE-spec drain plug and pan gasket (3882733) so it installs as a complete service assembly