Genuine Cummins 3973511 Engine Oil Filler Cap For Cummins 4B 3.9 and 6B 5.9 Oil Pump Relief Valve Verify the sensor is in

Verify the sensor is in the inlet (upstream) position — Mack/Volvo also use a different outlet NOx sensor downstream of the SCR catalyst with similar appearance but different OEM number

5 mm) Overall Length / Width 4

Dayton Parts: AV065624

2-inch top plate with 2 holes at 5

Cummins ISX / ISX15

Genuine Cummins 3973511 Engine Oil Filler Cap For Cummins 4B 3.9 and 6B 5.9 Oil Pump Relief Valve Verify the sensor is inDetails: Genuine Cummins Engine Oil Filler Cap For 4B 3. 9L and 6B 5. 9L engines. Cross Reference: Cummins 3973511 Cummins 3942135 Cummins 3945254 Cummins 3944736 Cummins 3937759 Cummins 3968202 Applications: Cummins 4B Engines 3. 9 Cummins 6B Engines 5. 9