Black Diamond 14 1/4 X 21 RH 3 Blade Propeller | QuickSilver QA1918X

14 1/4 X 21 Black Diamond 3 Blade RH Propeller | QuickSilver QA1918X

For good overall performance and value, the QuickSilver Black Diamond is your prop. While QuickSilver Black Diamond aluminum propellers are standard equipment on most boats with Mercury/Mariner/MerCruiser power, they are a perfect replacement for all engine brands through the use of the Quicksilver Flo Torq II hub system. The QuickSilver Black Diamond is recommended for use on boats with up to 250 Hp and with a top speed of less than 50MPH. The high quality casting and durable high-gloss Phantom Black finish make it easy to maintain & repair.

• Boat size: 18'-22'
• Dia. 14-1/4"
• MPH 47-56
• Pitch 21
• RH Rotation

Engine Application

Evinrude/Johnson® 100-300 Horsepower V-6/V-8 Outboard

100 hp (V-4 Commercial)…1984 & newer;
115 hp (V-4)…1995 & newer;
120 hp (V-4)…1985;
130 hp (V-4)…1995 & newer;
140 hp (V-4 25")…1989-94;
140 hp (V-4)…1985;
150 hp (V-6 Commercial)…1993 & newer;
150 hp (V-6)…1978 & newer;
155 hp (V-6 Commercial)…1978 & newer;
175 hp (V-6)…1977 & newer;
185 hp (V-6)…1984-85;
200 hp (V-6)…1976 & newer;
225 hp (V-6)…1986 & newer;
250 hp (V-8)…1991 & newer;
275 hp (V-8)…1986-88;
300 hp (V-8)…1986-95

Honda 115 D, 135-225 Horsepower Outboard

115D, 135-150 hp…2004 & newer;
200-225 hp (4-Stroke)…2002 & newer

Mercury/Mariner 90Ct-400 Horsepower

175 hp…1978 & newer;
200 hp…1978 & newer;
220 hp…1987-88;
225 hp…1980 & newer;
225 hp (SeaPro/Marathon)…All Years;
250-350 hp (4-Stroke)…1990 & newer

Suzuki 150-300 Horsepower

DT 150/150S hp…986 & newer;
DT175 hp…1986-92;
DT 200 hp…1986-2000;
DT 225 hp…1990 & newer;
DF 150-DF 300…All years

Yamaha 150-300 Horsepower

150 hp…1986 & newer;
F150 (4-Stroke)…2004 & newer;
175 hp…1984 & newer;
200 hp…1984 & newer;
F200 hp (4-Stroke)…2002 & newer;
220 hp (Special)…1984-85;
225 hp (Excel)…1987-88;
225 hp…1986 & newer;
F225 hp (4-Stroke)…2002 & newer;
250 hp (including VMAX)…1990 & newer;
F250 hp (4-Stroke)…2005 & newer;
300 hp…2003 & newer;
300 HPDI…2004 & newer

Mercruiser 1, Alpha One, Bravo One

MODELS 1A, 1B, 1C…Thru 1982;
MODELS 120, 140, 145 DTS…Thru 1982;
MODELS 165, 228, 470, 485, 888, 898…Thru 1982;
MODELS 225S, 233, 255TRS…Thru 1982;
MODELS 260, 280TRS, 330TRS…Thru 1982;
120-190 HP Mercruiser®…1983-1985;
200-260 HP Mercruiser®…1983-1985. Alpha One™ 2.5L - 5.7L Alpha One™…All Years;
6.2L MPI Alpha One™…All Years;
262, 350, 454 Magnum…All Years;
320 EFI Alpha One™…All Years. Bravo One™ (Bravo One™ & Bravo One™ X Drives only.) 320 EFI, 350, 377…All Years;
5.0L - 7.4L Bravo One™…All Years;
D2.8L - D7.3L (Diesel)…All Years;
*For engines 300 HP or higher, use “High Horsepower Sleeve” (P/N 991372).

Sea Drive 43/4” Large Gearcase Omc

2.0L V-4…1982 & newer;
2.5L V-6…1982 & newer;
2.6L V-6…1982 & newer;
2.7L V-6…1982 & newer;
3.0L V-6…1982 & newer;
3.6L V-8…1982 & newer;
4.0L V-8…1982 & newer;
Note: Following suggestions based on twin engines - deduct 4” of pitch for single engine applications

Model 800 Cobra And King Cobra Omc 43/4” Large Gearcase

3.0L…1990-93;
3.2L Diesel…1992-93;
3.8L…1978-93;
4.3L…1985-93;
5.0L…1978-93;
5.7L…1978-93;
5.8L…1978-93;
7.4L (454 King)…1990-93;
7.4L…1987-93;
8.2L (502 King)…1990-93;
7.5L…1987-93;
For 1994 and newer 19 spline Cobras, see Volvo SX section.

Model 800 Cobra And King Cobra Omc 43/4” Large Gearcase

3.0L…1990-93;
3.2L Diesel…1992-93;
3.8L…1978-93;
4.3L…1985-93;
5.0L…1978-93;
5.7L…1978-93;
5.8L…1978-93;
7.4L (454 King)…1990-93;
7.4L…1987-93;
8.2L (502 King)…1990-93;
7.5L…1987-93;
For 1994 and newer 19 spline Cobras, see Volvo SX section.

Model 800 Cobra And King Cobra Omc 43/4” Large Gearcase

3.0L…1990-93;
3.2L Diesel…1992-93;
3.8L…1978-93;
4.3L…1985-93;
5.0L…1978-93;
5.7L…1978-93;
5.8L…1978-93;
7.4L (454 King)…1990-93;
7.4L…1987-93;
8.2L (502 King)…1990-93;
7.5L…1987-93;
For 1994 and newer 19 spline Cobras, see Volvo SX section.

Yamaha Sterndrive V-6/V-8 43/4" Gearcase

3.0L…1989-93;
4.3L…1989-93;
5.0L…1989-93;
5.7L…1989-93;
7.4L…1992-93;
130-300 hp V-6/V-8 43/4” Gearcase

Attaching Hardware

H69

Cotter pin (10/pack):
Sierra: 18-3735
Flat washer:
Sierra: NLA
Quicksilver: 887972
Nut:
Sierra: 18-3726
Spacer washer (aft):
Sierra: 18-4274
Spacer, washer, nut & pin kit:
Sierra: 18-3782
Thrust washer (forward):
Sierra: 18-73918
Michigan Wheel: 990770

This product replaces:

710-QA1918X, QA2018X, QA1918, TA1918, TA1918X, QA3018X, 832832A45, 745061043923, 74506104392, 9511-143-21