Item Details Yours should look just like this
Related carburetors: 1368-5259A16 (Short Shaft) / 1368-5259A11 (Long Shaft SN 3751850 Thru 4121434) / 1368-5701A5 (Long Shaft SN 4121435 Thru 4602011) / 1368-501A13 (Long Shaft 4602012 & up)
original paint (485 sticker
On all MerCruiser Pre-Alpha One models (120/140/165/898/228/260/470) (Basically Pre-1977) These are threaded with the grease groove
The Part Number of the Carburetor is F684061
Mercury Outboard 300 350 1960 Mark 35 Fuel Pump Diaphragm 23009A1 23009 23008 Pulley Item Details Yours should lookThis is From a 1960 Kiekhaefer Mercury 300 E 4 cylinder Thunderbolt (serial # 127258) Item Condition: Good Condition Please Inspect Pictures for condition Untested Part#'s Fuel Pump Assy. 23009A1 Fuel Fitting: 22 22993 Fuel Fitting: 22 22995 Other Related Models: Mark 35AM, Mark 35AE, Mercury 300M, Mercury 300E, Mercury 350M, Mercury 350E, Mercury 350M 1, Mercury 400E 1271885 thru 1356947 Years: 1958, 1959, 1960, 1961,1962 30hp 35hp, 40hp Yours should