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SKU: 6423N_NTG-1

Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2

$109.99

In Stock

SKU: 6423N_NTG-1

Compatible With:

Berkley Jet Pleasure Craft Inboard Engine

454 8cyl, 454ci, 7.4L GM 1970-1980

Crusader Boat

305 8cyl, 305ci, 5.0L 1977-1995

350 8cyl, 350ci, 5.7L 1977-1995

454 8cyl, 454ci, 7.4L 1977-1988

Crusader Pleasure Craft Inboard Engine

262 6cyl, 262ci, 4.3L 1979-1988

Mercruiser Engine - Marine

Model 450 (Gen V) GM 7.4L - 454ci - 8cyl 1995-1996

Model 465 GM 8.2L - 502ci - 8cyl 1990-1992

Model 465 (Gen V) GM 8.2L - 502ci - 8cyl 1992-1994

Model 500 (Gen V) GM 8.2L - 502ci - 8cyl 1994-1996

Model 525SC GM 7.4L - 454ci - 8cyl 1991-1992

Model 525SC (Gen V) GM 7.4L - 454ci - 8cyl 1992-1996

Mercruiser Pleasure Craft Inboard Engine

Model 175 GM 4.3L - 262ci - 6cyl 1987-1990

Model 185 GM 4.3L - 262ci - 6cyl 1985-1987

Model 200 GM 5.0L - 305ci - 8cyl 1985-1987

Model 205 GM 4.3L - 262ci - 6cyl 1985-1991

Model 898 GM 5.0L - 305ci - 8cyl 1983-1984

Mercruiser Ski Engine

Model 5.7L Ski GM 5.7L - 350ci - 8cyl 1985-1987

Model 5.7L Competition Ski GM 5.7L - 350ci - 8cyl 1987-1995

Mercruiser Stern Drive

Model 330 GM 7.4L - 454ci - 8cyl 1977-1981

Model 454 Mag Alpha GM 7.4L - 454ci - 8cyl 1986-1988

Model 228 GM 5.0L - 305ci - 8cyl 1982-1984

Model 230 GM 5.0L - 305ci - 8cyl 1985-1987

Model 260 GM 5.7L - 350ci - 8cyl 1982-1987

Model 300 Tempest GM 5.7L - 350ci - 8cyl 1985-1986

Model 320 (EFI) GM 5.7L - 350ci - 8cyl 1987-1990

Model 350 Mag Alpha GM 5.7L - 350ci - 8cyl 1986-1995

Model 4.3L (2-BBL) GM 4.3L - 262ci - 6cyl 1988-1992

Model 4.3LX (4-BBL) GM 4.3L - 262ci - 6cyl 1988-1992

Model 454 Mag Bravo GM 7.4L - 454ci - 8cyl 1988-1992

Model 5.0LX GM 5.0L - 305ci - 8cyl 1988-1995

Model 5.7L Bravo GM 5.7L - 350ci - 8cyl 1989-1995

Model 7.4L Bravo GM 7.4L - 454ci - 8cyl 1988-1991

OMC Pleasure Craft Inboard Engine

4.3L 6cyl, 262ci, 4.3L GM 1987-1994

5.0L 8cyl, 305ci, 5.0L GM 1986-1988

5.7L 8cyl, 350ci, 5.7L GM 1986-1991

5.7L 8cyl, 350ci, 5.7L GM 1994

7.4L 8cyl, 454ci, 7.4L GM 1990-1994

8.2L 8cyl, 502ci, 8.2L GM 1988

8.2L 8cyl, 502ci, 8.2L GM 1992

Pleasurecraft Engine - Marine

305CI, 5.0L 8cyl, 305ci, 5.0L 1976-1995

350CI, 5.7L 8cyl, 350ci, 5.7L 1976-1995

454CI, 7.4L 8cyl, 454ci, 7.4L 1976-1995

Thermo Electron Engine - Marine

Various Models 305 Engine 1977-1988

Various Models 350 Engine 1977-1988

Various Models 454 Engine 1977-1988

Volvo Penta Marine Engine

5.7GL 8cyl, 350ci, 5.7L Gas 1993-1999

7.4GL 8cyl, 454ci, 7.4L Gas 1994-1999

Volvo Penta Pleasure Craft Inboard Engine

5.7Gi 8cyl, 350ci, 5.7L Gas 1993-1999

8.2GL 8cyl, 8.2L Gas 1994-1999

Specifications:

Family: Delco 10MT

Type: DD

Voltage: 12

Rotation: CW

Teeth/Splines: 9 Teeth/Splines

Pinion/Splines OD: 25.1mm / 0.988in

Mounting Hole 1: 0.375"" ID : Unthreaded

Mounting Hole 2: 0.375"" ID : Unthreaded

Approximate Weight: 18lbs / 8.18kg

Notes: 3.43"" / 87.1 mm Long Field Case

Replaces OEM Part Numbers:

Delco: 10455603, 1998314, 1998570, 1109482, 1998566, 1998569

Lucas Electrical Europe: LRS01331

Mercury Marine: 50-12177A2, 50-77328A1. 50-77328A3, 50-99418A2

OMC: 984456, 986505

Presolite Sales: 35261180

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SKU:
6423N_NTG-1
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Frequently Asked Questions

What vehicles is Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2 compatible with?

Use the specifications and images on this page together with your vehicle details. Match part number 6423N_NTG-1 to your existing component or OEM interchange.

Explore similar Parts and Accessories to find the right fit for your car, truck, SUV, or powersports vehicle. See more Nth Gear products we carry.

What is Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2 used for?

Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2 from Nth Gear is intended for normal automotive service and maintenance—such as brake pad and rotor service, oil and filter changes, or other listed applications—depending on how this SKU is categorized. Follow your owner’s manual and any torque or fluid specs printed on the packaging.

Discover complementary items in our Parts and Accessories collection and Starters.

Is this Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2 an OEM or aftermarket part?

This listing is an aftermarket replacement manufactured or branded by Nth Gear, engineered to meet or exceed typical OEM performance for the applications described. It is not necessarily a dealer-original part unless the description states otherwise.

Compare alternatives in Parts and Accessories if you need a different formulation, kit, or price point.

What is included with Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2?

You receive the Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2 (SKU / part number 6423N_NTG-1) as shown in the photos and bullet points. Kits may include filters, gaskets, hardware, or fluids; single components include only that item. Open the Specifications and Includes areas on this page to confirm quantity and contents.

How do I install Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2?

Installation steps depend on the part type (for example, brake pads versus an oil change kit). Work on a cool vehicle, use proper jack stands and tools, torque fasteners to spec, and bed brakes or prime filters per the manufacturer’s instructions. If you are not experienced with suspension or brake work, use a licensed technician.

Find related service items in Parts and Accessories. You may also consider Starter fits Mercury Marine 40HP Outboard Engines 50-30829, 50-32403, 50-32411 or Starter Fits Mariner & Mercury 115-225 HP Engines 50-853329T 50-893892T 853329T.

What warranty or return policy applies to Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2?

New, uninstalled items are generally eligible for return within the time window posted in our store policies, provided they are in resalable condition. Reference your order and SKU 6423N_NTG-1 when contacting support. Defective or incorrect shipments should be reported promptly with photos when possible.

Need a different fitment? Browse Parts and Accessories for other compatible options.

How long does shipping take and when will Starter fits Mercury Marine 50-12177A2, 50-77328A1, 50-77328A3, 50-99418A2 be available?

Many in-stock orders ship the same business day when placed before the warehouse cutoff. Transit usually takes about 2–5 business days in the contiguous U.S., depending on carrier and destination. Availability is shown near the add-to-cart button on this page.

Shop additional in-stock choices in Parts and Accessories.

How do I double-check that this part fits my vehicle?

Cross-check year, make, model, engine, and trim with the fitment data on this page, your old part number, and SKU 6423N_NTG-1. When in doubt, verify with a dealer parts catalog or qualified mechanic before opening packaging.

Similar listings: Starter fits Mercury Marine 40HP Outboard Engines 50-30829, 50-32403, 50-32411 and Starter Fits Mariner & Mercury 115-225 HP Engines 50-853329T 50-893892T 853329T. Explore the full Parts and Accessories category for oil change kits, brake parts, filters, and more.

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