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  • Contents of Kit 21676083
    Hello:   This kit has two part numbers in it.   1)        Two Disc kits (21357719)  - attached is a picture of the discs. 2)        And the upgrade oil kit 21551779.     Since purchasing ...
  • Cummins Injector 4326784 question
    Hello:Here is the quote for the new injectors under part number 4326784.  At the moment Cummins only shows 4 of these available.Eventually it appears the original ...
  • Calculating Prop Size Question
    Hello:Attached is a quote for a new ZF15MIV 2.955:1 ratio (the 2.718 ratio is the same price).The 4.108 engine is a 51 HP at 4000 ...
  • Corrosion Control on Sail Drives Question
    I am considering a sail drive installation with a folding al bronze propeller. I want to understand the galvanic corrosion engineering better. I understand the ...
  • Cummins 4-sheave Pulley Question
    Hello:I am sorry, but the Cummins engine did not originally come with this 4 sheave pulley.  It was probably added by the boat builder.  If  you can ...
  • Connector Kit for Reverse Gear Question
    Hello:  In the attached picture see the little square box where the water hose connects to that is bolted to the side of the gear. That is ...
  • Contents of Kit 21676083
    Hello:   This kit has two part numbers in it.   1)        Two Disc kits (21357719)  - attached is a picture of the discs. 2)        And the upgrade oil kit 21551779.     Since purchasing ...