PRODUCT DETAILS
Starter Motor for Mercury / Mariner 8 HP 9.9 HP 4-Stroke Outboards – 209cc
Premium-quality aftermarket starter motor for selected Mercury and Mariner 8 HP, 9 HP and 9.9 HP 4-stroke outboard engines using the 209cc engine.
Suitable for selected models using starter motor 50-803835T02 / 50-8M0223446 / 50-8M6007363.
Fits Selected Mercury & Mariner Outboards
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8 HP – selected 209cc models
- 9.9 HP – selected 209cc models
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4 Stroke
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209cc engine
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Selected applications from approximately 2005 onwards
VERY IMPORTANT – 209cc Engine
Mercury and Mariner produced different engine families within these horsepower ranges.
This starter motor is for selected 209cc applications only.
Please check your engine identification and original starter motor part number before ordering.
Starter Motor Specifications
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10-Tooth Starter Drive
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CCW Rotation
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4-stroke application
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209cc engine application
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High-quality aftermarket replacement
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New starter motor
Replaces Mercury / Mariner Part Numbers
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50-803835T02
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803835T02
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50-8M0223446
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8M0223446
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50-8M6007363
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8M6007363
Hitachi Cross References
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S106-07B
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S106-07E
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S106-07F
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S106-12
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S106-12A
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S106-12B
Additional Cross References
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Sierra: 18-6420
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Arco: 3421
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API Marine: MOT5013N
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Arrowhead: SHI0133
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J & N: 410-44084
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WAI: 18301N
OEM and manufacturer part numbers are used for identification and compatibility reference only.
Product Features
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Mercury outboard starter motor
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Mariner outboard starter motor
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Selected 8 HP / 9 HP / 9.9 HP
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209cc engine
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4-stroke
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10-tooth starter drive
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CCW rotation
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Replaces 50-803835T02
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Replaces 50-8M0223446
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Replaces 50-8M6007363
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Marine-grade aftermarket replacement
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New
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UK stock
Important – Please Check Compatibility
Please do not order by horsepower or appearance alone.
Mercury and Mariner used different starter motors across engines with similar horsepower.
Before purchasing, please check:
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Engine is Mercury or Mariner
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Engine is 4 Stroke
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Engine is the applicable 209cc version
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Exact engine model
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Engine serial number
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Original starter motor part number
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10-tooth starter drive
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CCW rotation
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Mounting points and electrical connections
Your engine should correspond with one of the listed Mercury / Mariner starter motor references.
If the starter motor looks the same as yours, this does not always mean it is the correct one for your outboard.
If you are unsure, please send SSI Marine your engine model and serial number before ordering and our technical team will be happy to check compatibility.
Why Buy From SSI Marine?
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Workshop-tested aftermarket & OEM-spec marine parts
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More than 10 years supplying and servicing outboards
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UK stock
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Same working day dispatch before 1 PM Monday–Friday
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Royal Mail Tracked 24
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Collection available from Leigh, Greater Manchester
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Technical support from experienced outboard specialists
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.









