This is a Urea Burner for 2011-2013 (2011,2012,2013) Isuzu NPR, NQR and GMC W3500, W4500, W5500 with the 4HK1 engine.   Call for pricing and availability at 1-877-564-6307 Press 1.  If you have any further questions speak with our sales team.
*Pictures are for Illustration Purposes Only*