Crowley Marine: serving boaters for over 50 years Crowley Marine: serving boaters for over 50 years
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Key 28-547971

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Product Description

Mercury factory part. Search for more factory parts & parts diagrams.

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Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

BRAND MODEL 1975 1976 1977 1978 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 ALL YEARS
Mercruiser 120 - - - - - x x x x x - - - - - - - - - - -
Mercruiser 140 - - - - - x x x x x - - - - - - - - - - -
Mercruiser 165 x x x x - - - - - - x - - - - - - - - - -
Mercruiser 170 - - - - - - - - x x - - - - - - - - - - -
Mercruiser 175 - - - - - - - - - - x - - - - - - - - - -
Mercruiser 180 - - - - - - - - - - x - - - - - - - - - -
Mercruiser 185 - - - - - - x x x x - - - - - - - - - - -
Mercruiser 190 - - - - - - - - x x - - - - - - - - - - -
Mercruiser 2.5L - - - - - - - - - - x - - - - - - - - - -
Mercruiser 2.5L [ALPHA] - - - - - - - - - - - x x - - - - - - - -
Mercruiser 200 - - - - - - - - x x x - - - - - - - - - -
Mercruiser 205 - - - - - - - - x x x - - - - - - - - - -
Mercruiser 228 - - - - x x x x - - - - - - - - - - - - -
Mercruiser 230 - - - - - - x - x x x - - - - - - - - - -
Mercruiser 260 - - - - x x x x x x x - - - - - - - - - -
Mercruiser 3.0L - - - - - - - - - - x - - - - - - - - - -
Mercruiser 3.0L [ALPHA I] - - - - - - - - - - x - - x x x - - - - -
Mercruiser 3.0L [ALPHA] - - - - - - - - - - - x x x x - x x - - -
Mercruiser 3.0LX [ALPHA I] - - - - - - - - - - - - - x x x - x x - -
Mercruiser 3.0LX [ALPHA] - - - - - - - - - - - - - x x - x x x - -
Mercruiser 3.7L [ALPHA] - - - - - - - - - - - x x - - - - - - - -
Mercruiser 3.7LX [ALPHA] - - - - - - - - - - - x - - - - - - - - -
Mercruiser 300 - - - - - - - x - x - - - - - - - - - - -
Mercruiser 320EFI - - - - - - - - - x x - - - - - - - - - -
Mercruiser 350 - - - - - - - - - x - - - - - - - - - - -
Mercruiser 350 MAG [ALPHA] - - - - - - - - - - - - - - - - x x - - -
Mercruiser 350 [ALPHA I] - - - - - - - - - - - - - - x x - x - - -
Mercruiser 350 [ALPHA] - - - - - - - - - - - x x x - - - - x - -
Mercruiser 350 [BRAVO] - - - - - - - - - - - - x - - x - x x - -
Mercruiser 350 [MCI] - - - - - - - - - - x - - - - - - - - - -
Mercruiser 350MPI [BRAVO] - - - - - - - - - - - - - - - - - - x - -
Mercruiser 4.3L [.] - - - - - - - - - - - - - x - - - - - - -
Mercruiser 4.3L [ALPHA I] - - - - - - - - - - - - - - x x - x x - -
Mercruiser 4.3L [ALPHA] - - - - - - - - - - - x x x x - x x x - -
Mercruiser 4.3LX [ALPHA I] - - - - - - - - - - - - - - x x - x x - -
Mercruiser 4.3LX [ALPHA] - - - - - - - - - - - x x x - - x x x - -
Mercruiser 470 - - - - - x x x - - - - - - - - - - - - -
Mercruiser 485 - - - - - x - - - - - - - - - - - - - - -
Mercruiser 488 - - - - - - x x - - - - - - - - - - - - -
Mercruiser 5.0L [ALPHA I] - - - - - - - - - - - - - - x x - - - - -
Mercruiser 5.0L [ALPHA] - - - - - - - - - - - x x x - - x x x - -
Mercruiser 5.0L [BRAVO] - - - - - - - - - - - - - - - x x x x - -
Mercruiser 5.0LX [ALPHA I] - - - - - - - - - - - - - - x x - - - - -
Mercruiser 5.0LX [ALPHA] - - - - - - - - - - - x x x x - x x x - -
Mercruiser 5.7L TBI [ALPHA] - - - - - - - - - - - - - - - - - - x x -
Mercruiser 5.7L TBI [BRAVO] - - - - - - - - - - - - - - - - - x x x -
Mercruiser 5.7L [ALPHA I] - - - - - - - - - - - - - - x x - - - - -
Mercruiser 5.7L [ALPHA] - - - - - - - - - - - x x x x - x x x - -
Mercruiser 5.7L [BRAVO II] - - - - - - - - - - - - - - - x - - - - -
Mercruiser 5.7L [BRAVO I] - - - - - - - - - - - - - - - x - - - - -
Mercruiser 5.7L [BRAVO] - - - - - - - - - - - x x x x x x x x - -
Mercruiser 5.7L [DS EXT] - - - - - - - - - - - x - - - x - - - - -
Mercruiser 888 x x x - - - - - - - - - - - - - - - - - -
Mercruiser 898 - - - - - x x x - - - - - - - - - - - - -
Mercruiser MC1 - - - - - x - - - - - - - - - - - - - - -
Mercruiser MC1 [1.32:1] - - - - - - x - - - - - - - - - - - - - -
Mercruiser MC1 [1.65:1] - - - - - x - - - - - - - - - - - - - - -
Mercruiser MC1 [1.98:1] - - - - - x - - - - - - - - - - - - - - -
Mercruiser MC2 [1.50:1] - - - - - - - - - - x - - - - - - - - - -
Mercruiser MC2 [2.00:1] - - - - - - - - - - x - - - - - - - - - -
Mercruiser Race Sterndrive 320EFI [ALPHA] - - - - - - - - - - - x - - - - - - - - -
Mercruiser Race Sterndrive 320EFI [BRAVO] - - - - - - - - - - - x x - - - - - - - -
Mercury Inboard Engine 260 - - - - x x x x - - - - - - - - - - - - -
Mercury Inboard Engine 350 MAG [EFI/MP] - - - - - - - - - - - - - - - - - - x - -
Mercury Inboard Engine 5.0L [CARB] - - - - - - - - - - - x - - - - - - - - -
Mercury Inboard Engine 5.7L - - - - - - - - - - - x x - - x x x - - -
Mercury Inboard Engine 5.7L [CARB] - - - - - - - - - - - x x - x x x x x x -
Mercury Inboard Engine 5.7L [SKI] - - - - - - - - - - - x x x x x x x x - -
U.S. Marine Inboard 351 INBOARDS - - - - - - - - - - - - - - - - - - - - x
U.S. Marine Inboard 460 INBOARDS - - - - - - - - - - - - - - - - - - - - x

Customers Also purchased

Supersession Chain

Name SKU Superceding SKU
Key VIEWING THIS PRODUCT 547971 CURRENT
KEY 54797 547971
KEY 56162 54797
KEY FI1100433 54797
KEY 34514 54797
KEY FI1100151 FI1100433
Lock Key F724114 56162
Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.

Flat $3.95 Shipping on ALL parts orders

We offer shipping flat $3.95 shipping on ALL parts orders. (Complete Engines, Lower Units and Sterndrives excluded). In addition orders over $89 have reduced cost express shipping available in checkout.

shipping map shipping map legend

You can get a rough idea of standard transit times from the map above.