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STUD Mercruiser 16-57921

STUD Mercruiser 16-57921 

# 525-16-57921
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STUD Mercruiser 16-57921

Supersedes 16-30661
16-45199

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NOTICE: Any images shown are representational ONLY and do not necessarily depict the actual part or included items in a particular part or kit. Mercury has been known to remove items depicted in product images such as screws or gaskets from kits they make without notification. For any product content, fitment or application questions on this part please call Mercury Product Support at 920-929-5040.
MSRP: $11.30
Your Price: $11.30
 You Save: 0% off MSRP!

NOTE: This Item is a Non-Stocked, Special Order, OEM Mercury Part.
ALL OEM Mercury parts may take up to 7-10 days to ship. All OEM Mercury parts are NON-RETURNABLE! Orders placed on all OEM Mercury parts are NON-REFUNDABLE! Please contact us with the part number and we can assist you with more accurate delivery time estimate.
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Additonal Info On This Product:

Applications Where This Item Is Used:

898 (STERN DRIVE) 198 (INBOARD) ENGINE - 198 MIE (2 BBL.) GM 305 V-8 1977470 ENGINE - 470 (2 BBL.) MERCURY 224 I/L4 1980-1982
MARINER 115 - 115 (6 CYL.)90/115 HP (INLINE) - 115 (6 CYL.)
MERC 115 - 1150, 115MERC 1350 - 1350
255 ENGINE - 255 MIE GM 350 V-8 1979-1980383 STROKER SCORPION - 383 STROKER SCORPION
350/6.2L BLACK SCORPION SKI (GEN+) - BLACK SCORPION 350 MAG SKI (GEN+) V-8 1997-2001255 ENGINE - 255 MIE FORD 351 V-8 1973-1974
5.7L COMPETITION SKI ENGINE - 5.7L COMPETITION SKI GM 350 V-8 1997900 SC - 900 SC 1997-1999
350 MAGNUM EFI TOURNAMENT SKI - BLACK SCORPION 350 MAG SKI (GEN+) V-8 1996230 HP/5.0L 260 HP/5.7L ENGINE - 5.0L MIE (4 BBL.) GM 305 V-8 1987-1995
230 HP/5.0L 260 HP/5.7L ENGINE - 260 MIE GM 350 V-8 198790/115 HP (INLINE) - 90 (6 CYL.)
230 HP/260 HP INBOARD ENGINE (GM) - 230 MIE (4 BBL.) GM 305 V-8 1981-1986MERC 90 - 900, 90
MIE 5.7L INBOARD - 5.7L MIE GM 350 V-8 1996MERC 1150 - 1150
MERC 140 - 1405.7L INBOARD ENGINE - 5.7L MIE GM 350 V-8 1994-1995
MERC 115 - 115 (6 CYL.)350 MAG MX 6.2L MPI SKI - 350 MAG MPI SKI
5.7L MPI SKI EC - 5.7L SKI EC80 HORSEPOWER - 80
MERC 1500 - 1500350 MAGNUM TOURNAMENT SKI (CARB) - 350 MAG (SKI) GM 350 V-8 1997
ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - ALPHA ONE SS 1986-1989MERC 650 - 650 (4 CYL.)
233 ENGINE - 233 FORD 351 V-8 1975-1977350 MAGNUM EFI/MP TOURN SKI - 350 MAG MPI SKI GM 350 V-8 1995-1996
MERC 90 - 90 (6 CYL.)1500XS - 1500XS
350 MAG EFI TBI TOURN SKI (GEN+) - 350 MAG. EFI SKI (GEN+) GM 350 V-8 1996MERC 140 - 1400, 140
5.7 LITRE COMPETITION SKI ENGINE - 5.7L (SKI) GM 350 V-8 1985-1987175 HP V-6 (1976-1988 COMBINED BOOKS) - V-175
MERC 850 - 850 (4 CYL.)5.7L MPI SKI - 5.7L MPI SKI
MERC 80 - 800 (4 CYL. ), 80 (4 CYL.)350 MAGNUM TBI TOURN SKI - 350 MAG EFI SKI (GEN+) GM 350 V-8 1997
228 ENGINE (G.M.) - 228 MIE (4 BBL.) GM 305 V-8 1977-1978228 ENGINE (G.M.) - 228 (4 BBL.) GM 305 V-8 1979-1982
MERC 80 - 800 (4 CYL.), 80 (4 CYL.)233 ENGINE - 233 MIE FORD 351 V-8 1975-1976
140 HORSEPOWER - 140MERC 850 (4 CYLINDER) - 850 (4 CYL.)
MERC 800E - 800 (4 CYL.), 80 (4 CYL.)5.7L INBOARD ENGINE - 5.7L MIE GM 350 V-8 1997
5.7L 2BBL COMP SKI ENGINE - 5.7L COMPETITION SKI GM 350 V-8 1996350/6.2L BLACK SCORPION SKI (GEN+) - BLACK SCORPION MX 6.2L SKI (GEN+) V-8 2001-2002
5.7L TOW SPORT - 5.7L CARB SKI115 HORSEPOWER - 115 (6 CYL.)
MARINER 80 - 80228 ENGINE (G.M.) - 228 MIE (4 BBL.) GM 305 V-8 1979-1980
MARINER 85 - 85350 MAG MPI TOURN SKI (GEN +) - 350 MAG MPI SKI (GEN+) GM 350 V-8 1998 AND UP
75 HP - 75 (4 CYL.)5.7L COMPETITION SKI ENGINE - 5.7L COMPETITION SKI GM 350 V-8 1987-1995
5.7L MPI TOWSPORT WITH GEN III - 5.7L MPI TOWSPORT WITH GEN IIIBLACK SCORPION - BLACK SCORPION 350 MAG MPI
MERC 1400EL-SS - 1400225 ENGINE - 225-S (4 BBL.)FORD 302 V-8 1973-1974
MERC 1150E-SS - 1150SCORPION 350/377 - SCORPION 377
MARINER 90 - 90 (6 CYL.)350 MAG (MPI)SKI - 350 MAG MPI SKI
5.7L COMPETITION SKI ENGINE (GEN +) - 5.7L COMPETITION SKI (GEN+) GM 350 V-8 1998SCORPION 350/377 - SCORPION 350
230 HP/5.0L 260 HP/5.7L ENGINE - 5.7L MIE GM 350 V-8 1988-199390 HORSEPOWER - 90 (6 CYL.)
SCORPION 377 - Scorpion 377350 MAG TOURNAMENT SKI (CARB) - 350 MAG (SKI) GM 350 V-8 1991-1996
ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - SSM II/III/IV/V 1982-1995350 MAG EFI TOURN SKI - 350 MAG. EFI SKI (TBI) GM 350 V-8 1994-1996
BLACK SCORPION - BLACK SCORPION MX 6.2L MPI350 MAG MX 6.2L MPI SKI - MX 6.2L MPI SKI
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