STAINLESS STEEL IMPELLER HOUSING
FOR MERCURY / MARINER OUTBOARD

25HP 30HP 40HP 50HP
2 STROKE & 4 STROKE MODELS

High-quality stainless steel impeller housing, ideal for restoring water pump performance on a range of Mercury and Mariner outboards. Designed to replace the factory plastic housing for increased durability, corrosion resistance, and long service life.

Fits the following outboard types:

4-STROKE MODELS:
• 25 HP BigFoot (1998–2005)
• 30 HP – 3 cylinders
• 40 HP – 3 cylinders
• 50 HP – 4 cylinders (non-BigFoot)

2-STROKE MODELS:
• 30 HP – 2 Cyl, single carb (1995 and up, excluding serials starting with 0N0...)
• 40 HP – 2 & 3 Cyl (1995 and up)
• 50 HP – 3 Cyl (1998 and up, non-BigFoot)

Will fit only models with gear housing – drive shaft 2:1 gear ratio. Standard gearbox only. Not compatible with BigFoot models- except 25 hp

Replaces Mercury Part Number:
46-821351A3

Please check compatibility before purchasing.
It is the buyer’s responsibility to ensure the part is correct for their engine.
If unsure, contact us — our SSI Marine team is happy to help.

ALL ITEMS ARE IN UK STOCK
FAST DISPATCH – SAME DAY ON ORDERS BEFORE 1 PM
TRUSTED MARINE PARTS SUPPLIER

Stainless Steel Impeller Housing for Mercury Mariner Outboards | Replaces 46-821351A3