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Inboard Starter with 12-3/4" Flywheel & Gear Reduction
The inboard starter that will fit Mercruiser, Volvo Penta, OMC, Yamaha, and others. 12-3/4" flywheel. Clockwise Rotation. Will replace all CW rotating 10MT starters with one long and one short bolt straight across the pattern. Includes mounting bolts and gasket. Anodized casting, nickel-plated brush holder.
ARCO advises using a fully charged battery - A weak battery can damage the starter and starter solenoid. And to also clean all connections - A corroded connection creates resistance, lowering the amperage required for an efficient starting circuit.
Features:
- Dynamically tested and packaged for out-of-the-box performance
- Nickel-coated and/or epoxy-painted to reduce corrosion
- Sealed to minimize water intrusion
- Designed for long life and optimum performance
- Armatures are tested to withstand 50 times operating voltages (12 volts)
Warranty Information:
When properly installed, all ARCO products are warrantied against defects in materials and workmanship for a period of 12 months for leisure use and 90 days for commercial or racing applications.
Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registration
Replaces:
BRP/ OMC Inboard Starter 381781
BRP/ OMC Inboard Starter 384198
BRP/ OMC Inboard Starter 981074
BRP/ OMC Inboard Starter 981078
BRP/ OMC Inboard Starter 982107
BRP/ OMC Inboard Starter 982121
BRP/ OMC Inboard Starter 982200
BRP/ OMC Inboard Starter 983248
BRP/ OMC Inboard Starter 983444
BRP/ OMC Inboard Starter 983790
BRP/ OMC Inboard Starter 985966
BRP/ OMC Inboard Starter 988217
BRP/ OMC Inboard Starter 3850526
BRP/ OMC Inboard Starter 3854750
BRP/ OMC Inboard Starter 3855882
BRP/ OMC Inboard Starter 3858463
DELCO Inboard Starter 9000763
DELCO Inboard Starter 9000820
DELCO Inboard Starter 9000822
MARINE POWER Inboard Starter 0172-000
MERCURY Inboard Starter 50-32703
MERCURY Inboard Starter 50-45120
MERCURY Inboard Starter 50-46282
MERCURY Inboard Starter 50-59799
MERCURY Inboard Starter 50-69863A1
MERCURY Inboard Starter 50-69864A1
MERCURY Inboard Starter 50-77328A1
MERCURY Inboard Starter 50-77328A3
MERCURY Inboard Starter 50-79821A2
MERCURY Inboard Starter 50-79822A1
MERCURY Inboard Starter 50-79822A2
MERCURY Inboard Starter 50-79823A1
MERCURY Inboard Starter 50-806963A2
MERCURY Inboard Starter 50-806963A4
MERCURY Inboard Starter 50-806965A2
MERCURY Inboard Starter 50-806965A4
MERCURY Inboard Starter 50-812429A2
MERCURY Inboard Starter 50-99417A2
PLEASURECRAFT Inboard Starter RA122016
VOLVO Inboard Starter 3862308
VOLVO Inboard Starter 3854750-1
VOLVO Inboard Starter 3856003-3
VOLVO Inboard Starter 855326-5
SIERRA Inboard Starter 18-5900
SIERRA Inboard Starter 18-5911
SIERRA Inboard Starter 18-5919
Quick Guide (pdf)
FAQs
Product & Usage
1. Are KRANK tools built for professional use?
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
2. Are KRANK tools safe to use for beginners?
Yes, our tools are designed with safety features and easy handling in mind.
3. Can KRANK tools be used in extreme conditions?
Yes, they are tested to perform reliably in demanding environments.
Maintenance & Accessories
1. What maintenance is required for the tools?
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
2. Can replacement parts or accessories be purchased separately?
Yes, we provide compatible parts and add-ons to extend the life of your tools.
3. Do you provide instruction manuals or usage guides?
Every tool comes with a detailed user manual, and digital guides are available online.
Warranty & Guarantee
1. Do the tools come with a warranty?
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
2. How do I register my KRANK tool for warranty coverage?
You can register online using your product serial number for faster support.
3. What does the warranty cover?
It includes defects in materials and workmanship under normal use conditions.
4. Is there an option to extend the warranty?
Yes, extended warranty plans are available for select tools at checkout.
Purchasing & Support
1. How fast is shipping and delivery?
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
2. Do you offer bulk or corporate purchasing options?
Yes, KRANK provides special pricing and packages for business or team orders.
3. How can I contact customer support if I need help?
You can reach our support team by email or phone — we’re here to assist you.
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