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

75 CETO
75 TLR
E75B

80 HP – 2 Stroke

80A

85 HP – 2 Stroke

85A
85AE
85AET
85AED

90 HP – 2 Stroke

90A
90AET
90TR
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

688-44341-00-94
688-44341-01-94
6D8-44341-00-94
6D8-WS443-00-00
6D8-WS443-0000

Additional Included Seal References

93210-46044 – O-Ring (1 supplied)
93101-25M03 – Oil Seal (2 supplied)

OEM part numbers are provided for identification and compatibility reference only.

Product Features

Premium-quality aftermarket replacement
Water pump housing base / upper casing
Includes 1 × O-ring and 2 × oil seals
Suitable for selected Yamaha 75–90 HP 2-stroke outboards
Designed for the corresponding Yamaha water pump assembly
New and boxed
UK stock

Important – Please Check Compatibility

Yamaha manufactured different water pump housings and sealing arrangements across its engine ranges.

Before purchasing, please confirm:

Exact engine model and horsepower
Engine serial number
Original water pump housing part number
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?

Workshop-tested aftermarket and OEM-spec marine parts
More than 10 years supplying and servicing outboards
UK stock
Same working day dispatch before 1 PM Monday–Friday
Royal Mail Tracked 24
Collection available from Leigh, Greater Manchester
Workshop open Monday–Friday, 9 AM–5 PM
Technical support from experienced outboard specialists

75 HP 80 HP 85 HP 90 HP Yamaha Outboard Water Pump Housing Base Upper Casing 688-44341-00-94