Cummins NH 855 Parts - Air Intake Section Loading... 1 Cummins Airsep System 6" throat diameter Price: $ 980.38 Qty: ^ Details In Stock Add to Cart 2 Detroit Diesel Hump Hose Reduction from 6” diameter to 5” diameter Price: $ 61.88 Qty: ^ Details In Stock Add to Cart 3 Detroit Diesel Hump Hose Reduction from 6” diameter to 5.5” diameter Price: $ 49.50 Qty: ^ Details In Stock Add to Cart Go Back