2815-01-350-3879 Valve Piston 23506392 (0 review) Valve Piston This piston is part of the blower bypass valve in the air inlet housing of the Detroit Diesel 8V71T LHR engine with model number 7083-7391.2815013503879 013503879 23506392 Add to cart Buy now Price $ 372.00 $ 372.00 $ 372.00 Terms and Conditions 30-day money-back guarantee Shipping: 2-3 Business Days Contact Us