What engines are Mercury Black Max propellers designed for?

Black Max aluminum propellers fit most Mercury/Mariner outboards from 2.5 HP up to 250 HP and MerCruiser Alpha/Bravo One sterndrives (with appropriate Flo-Torq hub kits). Always verify gearcase size and WOT RPM range.

How do I choose the right Black Max pitch?

Match pitch to your engine’s recommended WOT RPM range and boat load. If your current prop over-revs, increase pitch; if it under-revs, decrease pitch. Use our size chart on this page as a starting point and water-test to confirm.

Do I need a Flo-Torq hub kit for a Black Max propeller?

Most models use Mercury’s modular Flo-Torq system. Some props include the hub; others require a separate kit. Check your engine/gearcase and part number to choose the correct hub hardware.

Are Black Max propellers good for everyday use?

Yes. Black Max props are durable Mercalloy aluminum with a value-first design—ideal for general-purpose boating on boats typically under 50 mph.

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Marine Parts & Boat Accessories

209 products

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Marine Parts & Boat Accessories

Shop reliable marine parts and boat accessories for maintenance, repair, rigging, and everyday boating needs. This collection includes fuel system components, marine toggle switches, portable fuel tanks, fuel line kits, gearcase service parts, engine oil, cleaners, protectants, moisture control products, and other practical boat maintenance essentials.

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Suzuki marine engine interface cable Version 3.57 990C0‑88149‑357

Suzuki Suzuki 990C0-88149-357 Engine Interface Cable Version 3.57

Sale price$108.85 Regular price$129.23

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Mercury Ignition Key Set 853 — P/N 897716853

Mercury Mercury 897716853 — Ignition Key Set 853

Sale price$10.32 Regular price$12.51

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Mercury Marine water pressure gauge with classic black face and chrome bezel 8M6020007

Mercury Mercury Marine Water Pressure Gauge Classic Black/Chrome 8M6020007

Sale price$60.67 Regular price$72.86

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Mercury Mercury Ignition KEY SET - 832 - 897716832

Sale price$10.32 Regular price$12.51

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Suzuki Suzuki SMIS ADAPTER TO SDS 990C0-88136

Sale price$51.72 Regular price$60.85

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Mercury 8M0082537 Platinum Plus Gen II throttle and shift cable 14 ft

Mercury Mercury 8M0082537 Platinum Plus Throttle & Shift Cable Gen II 14 ft

Sale price$52.27 Regular price$64.60

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Mercury Marine 7K tachometer gauge with classic black face and chrome bezel 8M6020002

Mercury Mercury Marine 7K Tachometer Gauge Classic Black/Chrome 8M6020002

Sale price$91.00 Regular price$109.29

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Mercury Mercury Ignition KEY SET- 847 - 897716847

Sale price$10.32 Regular price$12.51

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Mercury 8M0058668 SmartCraft 10 pin extension harness 6 foot instrument drop extension

Mercury Mercury 8M0058668 Extension Male - Female Harness Smartcraft Gauge - 10 PIN

Sale price$32.36 Regular price$37.49

Quicksilver OEM Mercury Marine Outboard Replacement Ignition Key 2B 894918

Sale price$5.67

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Mercury Mercury 8M0082538 15' Throttle and Shift Cable Platinum Plus Gen II

Sale price$54.77 Regular price$66.44

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Mercury Marine fuel level gauge with classic black face and chrome bezel 8M6020005

Mercury Mercury Marine Fuel Level Gauge Classic Black/Chrome 8M6020005

Sale price$29.99 Regular price$36.43

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Suzuki Suzuki 990C0-80110 2" Digital Hour Meter – White

Sale price$82.44 Regular price$96.99

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Mercury Mercury Ignition KEY SET-852 897716852

Sale price$10.32 Regular price$12.51

Quicksilver OEM Mercury Marine Outboard Replacement Ignition Key 1A 894911

Sale price$5.67

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Mercury Marine 0-18 volt gauge with classic black face and chrome bezel 8M6020009

Mercury Mercury Marine 0-18 Volt Gauge Classic Black/Chrome 8M6020009

Sale price$29.99 Regular price$36.43

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Mercury Marine power trim gauge with classic black face and chrome bezel 8M6020006

Mercury Mercury Marine Power Trim Gauge Classic Black/Chrome 8M6020006

Sale price$29.99 Regular price$36.43

Quicksilver OEM Mercury Marine Outboard Replacement Ignition Key 1E 894915

Sale price$5.67

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Suzuki fluid level sensor 990C0‑88217 NMEA 2000

Suzuki Suzuki FLUID LEVEL Sensor NMEA 2000 990C0-88217

Sale price$113.65 Regular price$133.71

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Mercury Marine Cruiselog hour meter gauge with classic black face and chrome bezel 8M6020008

Mercury Mercury Marine Cruiselog Hour Meter Gauge Classic Black/Chrome 8M6020008

Sale price$60.67 Regular price$72.86

Mercury 8M0173128 SmartCraft Connect Single Engine gateway module for Bluetooth and Wi-Fi engine data streaming with Phone

Mercury 8M0173128 SmartCraft Connect Single Engine gateway module for Bluetooth and Wi-Fi engine data streaming Live Monitoring

Mercury Mercury SmartCraft Connect Mobile Gateway Kit - Single Engine (8M0173128)

Sale price$225.00

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Mercury Sport Black/Black 2-inch water pressure gauge, 0–30 PSI, front view

Mercury Mercury Water Pressure Gauge – Sport Black/Black 0–30 PSI 8M6020031

Sale price$63.70 Regular price$76.49

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Mercury 8M0082541 Platinum Plus Gen II 18 foot throttle and shift cable

Mercury Mercury 8M0082540 Platinum Plus Throttle & Shift Cable GEN II 18 ft

Sale price$59.99 Regular price$71.79

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Mercury 8M0082539 Platinum Plus Gen II Throttle & Shift Cable 16 ft

Mercury Mercury 8M0082539 Platinum Plus Throttle & Shift Cable GEN II (16 ft)

Sale price$56.99 Regular price$68.26

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Mercury 897716457 Ignition Key Set-457 OEM

Quicksilver Mercury 897716457 Key Set-457 Ignition Keys (OEM)

Sale price$10.49 Regular price$12.51

Quicksilver Mercury 30431134 Ignition Key — Key 134 (Single Key)

Sale price$4.85

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Mercury 8M0059529 Trim Sender Kit — Digital to Analog Conversion Kit

Mercury Mercury 8M0059529 Trim Sender Kit — Digital to Analog Gauge

Sale price$85.49 Regular price$94.68

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Mercury 8M0191699 outboard remote trim switch for 4500 Lockbar single console mechanical control

Mercury Mercury 8M0191699 Outboard Remote Trim Switch 4500 OEM

Sale price$48.99 Regular price$59.01

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Mercury Sport Black/Black power trim gauge, straight-on view (8M6020030)

Mercury Mercury Power Trim Gauge – Sport Black/Black 8M6020030

Sale price$33.99 Regular price$40.07

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Mercury Marine power trim gauge with classic white face and chrome bezel 8M6020018

Mercury Mercury Marine Power Trim Gauge Classic White/Chrome 8M6020018

Sale price$29.99 Regular price$36.43

Mercury Mercury 8M0234140 Wrist Strap- Attaches to lanyard cords

Sale price$16.69

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Suzuki Suzuki Marine 2" WHITE TRIM METER Gauge 34800-93J13

Sale price$89.70 Regular price$105.53

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Mercury 8590743 chrome bezel for 3-3/8 inch SC1000 gauges and MercMonitor displays

Mercury 8590743 chrome bezel for 3-3/8 inch SC1000 gauges and MercMonitor displays Back

Mercury Mercury 8590743 Chrome Bezel 3-3/8 SC1000 SmartCraft MercMonitor

Sale price$22.23 Regular price$26.17

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Mercury 8M6020025 6K Sport Tachometer Black on Black

Mercury Mercury 8M6020025 6,000 RPM Sport Tachometer – Black / Black

Sale price$98.59 Regular price$118.40

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Mercury Mercury 8M0082536 Platinum Plus Throttle & Shift Cable Gen II 13 ft

Sale price$52.34 Regular price$62.86

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Mercury Marine fuel level gauge with classic white dial and chrome trim 8M6020017

Mercury Mercury Marine Fuel Level Gauge Classic White/Chrome 8M6020017

Sale price$29.99 Regular price$36.43

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Mercury Marine 7K tachometer gauge with classic white face and chrome trim 8M6020014

Mercury Mercury Marine 7K Tachometer Gauge Classic White/Chrome 8M6020014

Sale price$91.99 Regular price$109.29

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Mercury Mercury Ignition KEY SET - 827 - 897716827

Sale price$10.32 Regular price$12.51

Quicksilver Mercury 30431126 Ignition Key — Key 126 (Single Key)

Sale price$4.85

Quicksilver Mercury/Mercruiser Replacement Ignition Start Key 1B 894912

Sale price$5.67

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Suzuki Extreme performance throttle/shift remote control cable (8–30 ft) 990C0-11002

Suzuki Suzuki Marine Performance Remote Control Throttle/Shift Cable - 990C0-11002-###

Sale priceFrom $55.80 Regular price$65.65

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Suzuki Suzuki SMG4 Gauge Adapter 36661-96L30 - Mechanical Engine Interface

Sale price$77.67 Regular price$91.38

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Mercury 8M6020066 Sport White brushed power trim gauge

Mercury Mercury 8M6020066 Sport White Power Trim Gauge OEM

Sale price$34.03 Regular price$40.07

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Mercury 8M6020061 Sport White brushed 6000 RPM tachometer gauge

Mercury Mercury 8M6020061 Sport White Tachometer Gauge 6000 RPM OEM

Sale price$100.55 Regular price$118.40

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Mercury Sport Black/Brushed water pressure gauge, part 8M6020043

Mercury Mercury Water Pressure Gauge – Sport Black/Brushed (8M6020043)

Sale price$63.70 Regular price$76.49

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Mercury Sport Black/Black 7,000 RPM analog tachometer, front face (8M6020026)

Mercury Mercury Tachometer 7,000 RPM – Sport Black/Black 8M6020026

Sale price$98.59 Regular price$118.40

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Mercury Marine water pressure gauge with classic white face and chrome trim 8M6020019

Mercury Mercury Marine Water Pressure Gauge Classic White/Chrome 8M6020019

Sale price$60.67 Regular price$72.86

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