- Aluminum - £7.99
- zinc - £7.99
2 HP 2.5 HP 3 HP 4 HP 5 HP 6 HP Yamaha Outboard Lower Unit Anode 6L5-45251-03 – Zinc / Aluminium
PRODUCT DETAILS
Lower Unit / Gearbox Anode for Yamaha Outboards
Marine-grade aftermarket lower unit sacrificial anode for selected Yamaha 2 HP, 2.5 HP, 3 HP, 4 HP, 5 HP and 6 HP outboards.
Suitable for selected 2-stroke and 4-stroke Yamaha engines.
Available in Zinc or Aluminium.
Choose Your Anode Material
Variant 1 – Zinc
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Zinc sacrificial lower unit anode
Variant 2 – Aluminium
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Aluminium sacrificial lower unit anode
Fitment
Fits selected Yamaha outboards:
2-Stroke
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2 HP – 2B
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3 HP – 3A
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4 HP – 4A
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4 HP – 4B
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5 HP – 5C
Selected 4A / 5C applications from approximately 1990 onwards.
4-Stroke
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2.5 HP – F2.5A
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2.5 HP – F2.5B
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4 HP – F4A
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4 HP – F4B
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5 HP – F5A
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6 HP – F6C
Replaces Yamaha Part Numbers
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6L5-45251-03
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6L5-45251-03-00
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6L54525103
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6L5452510300
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6L5-45251-02
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6L5-45251-02-00
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6L5-45251-01
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6L5-45251-00
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68D-G5251-00
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68D-G5251-00-00
OEM part numbers are used for identification purposes only.
Product Details
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Lower unit / gearbox sacrificial anode
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Available in Zinc or Aluminium
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Selected Yamaha 2 HP–6 HP
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Selected 2-stroke and 4-stroke applications
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Helps protect the lower unit and underwater metal components against galvanic corrosion
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Marine-grade aftermarket replacement
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Manufactured to OEM-spec dimensions
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Direct replacement for compatible Yamaha applications
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Price is for ONE anode
Package Includes
1 × Lower Unit Anode
Material supplied according to selected variant:
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Zinc
-
Aluminium
PRICE IS FOR ONE ANODE ONLY.
Important Compatibility Warning
Yamaha used different lower unit anodes depending on engine model and year.
Before ordering, please check:
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Engine horsepower
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Exact engine model
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2-stroke or 4-stroke
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Engine year / serial number
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Original Yamaha part number
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Existing anode shape and dimensions
Do not order by horsepower or appearance alone.
If the anode looks the same as yours, this does not always mean it is the correct part for your outboard.
If unsure, send us your engine model and serial number and we can help check compatibility.
Why Buy From SSI Marine?
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Workshop-tested aftermarket & OEM-spec parts
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More than 10 years supplying outboard parts
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UK stock
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Same-day dispatch before 1 PM Mon–Fri
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Royal Mail Tracked 24
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Collection from Leigh, Greater Manchester
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Technical support available
Buyer Responsibility
Please confirm compatibility with your exact engine model and serial number before purchase.
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.
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