3 0 2021 Kenworth T4 SERIES Air Cleaner / Air Filter Housing $40 USD Air intake pipe pulled from a 2021 Kenworth T4 series run for only 7,425 miles, non-wrecked. Pipe connects to air cleaner. Pipe is in good used condition, see pictures. OEM P/N D66-2806 REV... ConditionUsedFits To Make(s)KENWORTHFits To Model(s)T4 SeriesStock Number6403 MLS Number12302082CategoryAir Cleaners / Air Filter Housings Last Updated4/29/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info