Replaced by 23223194. Inlet manifold. Connecting components sail boat drive unit 120S. Chemicals. Air filter and install. comp. When assembling vacuum switch. BB231A, BB261A, MD11D, MD17D, TAD540VE, TAD541VE, TAD542VE, TAD550VE, TAD551VE, TAD552VE, TAD570VE, TAD571VE, TAD572VE, TAD730P, TAD840GE, TAD840VE, TAD841VE, TAD842VE, TAD843VE, TAD851VE, TAD853VE, TAD870VE, TAD871VE, TAD872VE, TAD873VE, TWD610P, TWD610PB, TWD710P, TWD710PB.