Online Store › Oshkosh: 1340780 Flange, Turbo, 5" to 3-1/2", ISM EGR Image 1 of 1 Oshkosh: 1340780 Flange, Turbo, 5" to 3-1/2", ISM EGR $0.00 Part No. 40240 Quantity: Add To Quote Added! Part No. 40240