48-78122A40 Mercury Aluminum 13 3/4 x 21 Propeller 4.3 5.0 5.7 6.2 7.4 L

• Removed from a freshwater engine
• 15 Splines - not damaged in any way
• 13 3/4 Diameter
• 21 Pitch
• Aluminum
• Minor defects – scuffs, scratches 
• Smooth Blades with only minor dings 
• Does not come with the hardware 

There is no way to tell if a propeller is spun until it is installed. If there are any mechanical issues we will refund or replace the item.

Note that we DO NOT accept returns for our propeller if ordered incorrectly. Please verify by pictures AND part number that this is the correct propeller for your motor prior to purchasing.

Location: Southcentral Outboards, Altamont, Illinois

Honda Outboards

250 HP, 2002 & Newer

BF 115D HP, 2011 & Newer

BF 135 HP, 2004 & Newer

BF 150 HP, 2004 & Newer

BF 200 HP, 4-Stroke, 2002 & Newer

BF 225 HP, 4-Stroke, 2002 & Newer

BF 250 HP, 2012 & Newer

Merc/Mariner/Sea/Ray Outboards

90 HP Command Thrust, 2014 & Newer

115 HP Command Thrust, 2014 & Newer

135 HP (V-6 Gearcase) 1987 & Newer

150 HP (V-6 Gearcase) 1978 & Newer

150 HP (V-6 Gearcase) 1979 - 1983

175 HP (V-6 Gearcase) 1978 & Newer

175 HP (V-6 Gearcase) 1978 - 1979

200 HP (V-6 Gearcase) 1978 & Newer

220 HP (V-6 Gearcase) 1987 - 1988

225 HP (V-6 Gearcase) 1980 & Newer

225 HP, Sea Pro/Marathon (V-6 Gearcase) 1977 & Newer

250 HP (V-6 Gearcase) 1994 & Newer

275 HP (V-6 Gearcase) 1990 - 1994

300 HP (V-6 Gearcase) 1999 & Newer

300 HP (V-6 Gearcase) 1983

Verado 135-150 HP (V-6 Gearcase) 2006 & Newer

Verado 200-275 HP (V-6 Gearcase) 2004 & Newer

3.4 Litre (V-6 Gearcase) 1984 - 1986

Yamaha Outboards

150 HP, 1979 - 1983

175 HP, 1978 – 1979

Mercruiser Outboards

Alpha One 2.5L (4-3/4 Gearcase) All Years

Alpha One 262 Magnum (4-3/4 Gearcase) All Years

Alpha One 3.0L (4-3/4 Gearcase) All Years

Alpha One 3.7L (4-3/4 Gearcase) All Years

Alpha One 320 EFI (4-3/4 Gearcase) All Years

Alpha One 350 Magnum (4-3/4 Gearcase) All Years

Alpha One 4.3L (4-3/4 Gearcase) All Years

Alpha One 454 Magnum (4-3/4 Gearcase) All Years

Alpha One 5.0L (4-3/4 Gearcase) All Years

Alpha One 5.7L (4-3/4 Gearcase) All Years

Alpha One 6.2L MPI (4-3/4 Gearcase) All Years

Bravo One 320 EFI (4-3/4 Gearcase) All Years

Bravo One 350 Magnum (4-3/4 Gearcase) All Years

Bravo One 377 (4-3/4 Gearcase) All Years

Bravo One 5.0L (4-3/4 Gearcase) All Years

Bravo One 5.7L (4-3/4 Gearcase) All Years

Bravo One 6.2L (4-3/4 Gearcase) 2001 & Newer

Bravo One 7.4L (4-3/4 Gearcase) All Years

Bravo One Diesel, D2.8L (4-3/4 Gearcase) All Years

Bravo One Diesel, D3.0L (4-3/4 Gearcase) All Years

Bravo One Diesel, D3.6L (4-3/4 Gearcase) All Years

Bravo One Diesel, D4.2L (4-3/4 Gearcase) All Years

Bravo One Diesel, D7.3L (4-3/4 Gearcase) All Years

I, 120-190 HP (4-3/4 Gearcase) 1983 - 1985

Mercruiser, 200-260 HP (4-3/4 Gearcase) 1983 - 1985

Models 120, 140, 145DTS (4-3/4 Gearcase) All Years

Models 165, 228, 470, 485, 888, 898 (4-3/4 Gearcase) All Years

Models 1A, 1B, 1C (4-3/4 Gearcase) All Years

Models 225S, 233, 255TRS (4-3/4 Gearcase) All Years

Models 260, 280TRS, 330TRS (4-3/4 Gearcase) All Years

We have provided this cross-reference with the resources we have available in regards to fitment. This most likely will not fit every model for the years and horsepowers we have listed. We urge you to make sure this is the exact item you need by matching the part number to what is required for your motor. If you need help doing so, please contact us prior to purchasing and we would be happy to help!