Drain Screw (Priced Per Pkg of 50) 

Key Features:

• Package of 50 without gasket

Additional Details:

• Thread Size: 3/8" or 9.5mm - 16
• For: MerCruiser I,R,MR,Alpha One,TR,TRS & all O/Bs with 3/8-16 non-magnetic gear lube fill or vent screws

Use With:

• 18-2945: Drain Screw Gasket
• 18-2945-9: Drain Screw Gasket (Priced Per Pkg of 2)
• 18-29451-9: Drain Screw Gasket (Priced Per Pkg of 50)

Interchanges/Replaces

Chrysler/Force/US Marine

• 10-79953
• 10-79953A2
• 10-F50109
• F40109

GLM

• 22420

Mallory

• 9-72650

Mercruiser Stern Drive

• 10-28634
• 10-28634A1
• 10-79953
• 10-79953A2
• 10-79953Q04
• 10-79953Q2
• 816610A1
• 816610A2

Mercury Marine

• 10-20259
• 10-28634
• 10-28634A1
• 10-79953
• 10-79953A2
• 10-79953Q04
• 10-79953Q2