PRODUCT DETAILS
Yamaha 75–90 HP Water Pump Housing Base / Upper Casing with O-Ring & Seals
Premium-quality aftermarket water pump housing base / upper casing for selected Yamaha 75 HP, 80 HP, 85 HP and 90 HP 2-stroke outboard engines.
Supplied complete with 1 O-ring and 2 oil seals, making it suitable for replacing the corresponding water pump housing base and its associated seals during cooling system maintenance or repair.
Brand new and supplied in a box.
Fits Yamaha Outboards
75 HP – 2 Stroke
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75 CETO
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75 TLR
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E75B
80 HP – 2 Stroke
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80A
85 HP – 2 Stroke
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85A
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85AE
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85AET
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85AED
90 HP – 2 Stroke
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90A
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90AET
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90TR
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90TLR
Fitment applies to selected versions of these models. Please check your engine model and serial number.
Parts Included
| Quantity | Description | Part Number |
|---|---|---|
| 1 | Water Pump Housing Base / Upper Casing | 688-44341-00-94 |
| 1 | O-Ring | 93210-46044 |
| 2 | Oil Seals | 93101-25M03 |
Total: 4 components — 1 housing base, 1 O-ring and 2 oil seals.
Replaces Yamaha Housing Part Numbers
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688-44341-00-94
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688-44341-01-94
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6D8-44341-00-94
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6D8-WS443-00-00
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6D8-WS443-0000
Additional Included Seal References
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93210-46044 – O-Ring (1 supplied)
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93101-25M03 – Oil Seal (2 supplied)
OEM part numbers are provided for identification and compatibility reference only.
Product Features
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Premium-quality aftermarket replacement
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Water pump housing base / upper casing
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Includes 1 × O-ring and 2 × oil seals
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Suitable for selected Yamaha 75–90 HP 2-stroke outboards
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Designed for the corresponding Yamaha water pump assembly
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New and boxed
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UK stock
Important – Please Check Compatibility
Yamaha manufactured different water pump housings and sealing arrangements across its engine ranges.
Before purchasing, please confirm:
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Exact engine model and horsepower
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Engine serial number
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Original water pump housing part number
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Housing mounting points and seal arrangement
If the part looks the same as yours, this does not always mean it is the correct one for your outboard.
If you are unsure, please contact SSI Marine with your engine model and serial number before ordering.
Why Buy From SSI Marine?
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Workshop-tested aftermarket and 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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Workshop open Monday–Friday, 9 AM–5 PM
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Technical support from experienced outboard specialists
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £7: 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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