5006373 - Lower Unit Gearcase Seal Kit

Replaces OEM 0777521.

5006373 Gearcase Seal Kit

For: 75/90/115/150/175/200/225/250 HP

18-8384 is equivalent to 5006373 (neither of these are equivalent to the 18-2623)

18-2623 is an equivalent to an earlier OEM number 439141 (this number is no longer available from the OEM, now 439141 supersedes to 5006373)

The Sierra part 18-8384 and the OEM part 5006373 are used to replace all earlier part numbers including the 18-2623, while the 18-2623 and 439141 are limited models that call for this specific number or an earlier number that supersedes up to 439141.

Contains:

320862  Oil Seal (2)     
334950  Oil Seal (2)   
330137  Oil Seal (2)    
321453  Oil Seal (2)    
329922  Oil Seal (1)    
329923  Oil Seal (1)    
341280  Oil Seal (1)    
352165  Shift Rod Gaske(1)     
318544  E-Tec Drain Screw w/ Magnet (1)     
307551  E-Tec Drain Screw (1)     
354731  O-Ring (1)     
326849  O-Ring (3)   
313446  O-Ring (1)   
316563  Retainer Screw (4)     
332584  O-Ring (1)     
338484  Impeller Gasket (1)    
318372  O-Ring (1)    
310585  O-Ring (1)     
305123  O-Ring (1)