PRODUCT DETAILS
Marine-grade aftermarket Half Moon Exhaust Housing Zinc Anode for selected Johnson and Evinrude 90–140 HP outboard engines.
This curved, half-moon-shaped sacrificial anode is designed to help protect the exhaust housing and surrounding metal components against galvanic corrosion.
Manufactured from marine-grade zinc alloy, particularly suitable for saltwater applications.
Replaces Johnson Evinrude part number 392123.
Fitment
Suitable for selected Johnson and Evinrude outboard engines:
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90 HP
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100 HP
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110 HP
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115 HP
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120 HP
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125 HP
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130 HP
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135 HP
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140 HP
Important: These are potential applications within the 90–140 HP range. Not every engine or production year uses this anode.
Please confirm the original part number and exhaust housing configuration before ordering.
Replaces Part Numbers
Johnson / Evinrude / OMC
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392123
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0392123
OEM part numbers are used for identification purposes only.
Product Specifications
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Product Type: Half Moon Exhaust Housing Anode
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Material: Zinc
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Shape: Curved / Half Moon
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Application: Selected Johnson / Evinrude outboards
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Location: Exhaust housing
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Purpose: Sacrificial corrosion protection
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Quantity: 1 anode
Package Includes
1 × Zinc Half Moon Exhaust Housing Anode
Mounting hardware is not included unless otherwise specified.
Important Compatibility Information
Before ordering, please check:
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Exact engine model and production year
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Engine model / serial number
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Original anode part number
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Existing anode shape and dimensions
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Exhaust housing mounting arrangement
If the part looks the same as yours, this does not always mean it is the correct part for your outboard.
If unsure, please contact SSI Marine before purchasing.
Why Buy From SSI Marine?
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Workshop-tested aftermarket & OEM-spec parts
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UK stock
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Same-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 available
Buyer Responsibility
Please confirm compatibility with your exact engine model, year, serial number and exhaust housing 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.









