I bought this shock to replace the stock KYB gas shocks on my 2006 Isuzu D -Replace Max Crew Cab. Since this is an American shock absorber and therefore there is no Monroe-Matic Plus app online for the Thai built Isuzu I had to select it using the Monroe shock absorber fit chart with expanded and compressed sizes and end types. The shock works very well, providing good cushioning with decent control while reducing vibration noise from the bed. It's a bit shorter than the stock shock, but theβ¦