Water Pump Impeller Repair Kit 47-43026Q06 47-43026K06 18-3265 for Mercury Mariner 40-350 HP Mercruiser Alpha One Gen II Sterndrive — Germany Local Warehouse
Water Pump Impeller Repair Kit 47-43026Q06 47-43026K06 18-3265 for Mercury Mariner 40-350 HP Mercruiser Alpha One Gen II Sterndrive — Germany Local Warehouse
Product Overview
Water pump impeller repair kit for Mercury Mariner outboards from 40 HP to 350 HP and Mercruiser Alpha One Gen II sterndrives from serial 0D469859, containing a 120 blade impeller, wear plate, 2 gaskets, drive key, oil seal, 2 O-rings, grommet and washers, 262 g in total. It replaces 47-43026Q06, 47-43026Q5, 47-43026T6, 47-43026T8, 47-43026T11, 47-43026K06 and 47-8M0100526, and crosses to Sierra 18-3265. Shipped from our Germany local warehouse.
The kit is built around the 47-43026T2 impeller family, the high volume part used from the 40 HP four stroke up to the 350 HP Verado and on the Alpha One Gen II. Mercury sells it under a dozen kit numbers, and the difference between them is what else is in the bag.
Two fitment branches matter: the sterndrive is Alpha One Gen II from serial 0D469859, and the outboard side is the 40 to 350 HP range from 1999 on.
Specifications
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Outboard and sterndrive water pump impeller repair kit |
| Impeller | 47-43026T2 family, 120 blades |
| Components | Impeller, wear plate, 2 gaskets, key, oil seal, 2 O-rings, grommet, washers |
| Shipping Weight | 262 g |
| Country of Origin | Taiwan |
OEM Cross Reference
| Brand | Part Numbers |
|---|---|
| Mercury kit | 47-43026Q06, 47-43026Q5, 47-43026K06 |
| Mercury kit | 47-43026T6, 47-43026T7, 47-43026T8, 47-43026T10, 47-43026T11 |
| Mercury kit | 47-8M0100526, 43026Q06, 43026T2 |
| Mercury impeller | 47-43026T2, 47-430262Q02, 19210-ZW1-003, 399289, 391538 |
| Mercury wear plate | 8172761 |
| Sierra | 18-3265 |
Compatible Engines
| Application | Detail |
|---|---|
| Mercruiser Alpha One Gen II | Serial 0D469859 and above |
| Mercury Mariner outboard | 40 to 350 HP, mainly 1999 and later |
| Range covered | 35-300 HP models share this pump, and the 350 HP Verado uses the same kit |
What's Included
| Component | Detail | Qty |
|---|---|---|
| Impeller | 120 blades, 47-43026T2 family | 1 |
| Wear plate | 8172761, stainless | 1 |
| Pump gaskets | 27-43033-1, 27-817277 | 2 |
| Drive key | 8M0032833 | 1 |
| Oil seal | 816597A1 | 1 |
| O-rings | 3.5 x 27 and 3.55 x 23.6 | 2 |
| Grommet and washers | Water tube and housing | Set |
Serial Number Ranges
| Model | USA Serial | BEL Serial |
|---|---|---|
| 40 4 stroke, 2.31:1 | 0G231123-0T408999 | 9944807-0P153499 |
| 45 Bodensee | 0G231123-0T178499 | 9944807-0P094499 |
| 50 4 stroke, 2.31:1 | 0G231123-0T178499 | 9944807-0P094499 |
| 50 3 cyl Bigfoot | 0D000750-0G589999 | 9683055-9973099 |
| 55 3 cyl Bigfoot | 0D000750 and up | 9741042 and up |
| 60 3 cyl Bigfoot | 0D000750 and up | 9683055 and up |
| 70 3 cyl | 4571652-6428680 | 9483121-9589038 |
| 80 3 cyl | 0A996142-0C221999 | 9483121-9589038 |
| 90 3 cyl | 0A996142 and up | 9483121 and up |
| 100 4 cyl | 0B209468-0G965520 | 9523034-0P058999 |
| 115 4 cyl | 0C100000 and up | 9559771 and up |
| 125 4 cyl | 0D283222 and up | 9793577 and up |
Winter Lay-Up and the Calendar
| Situation | Effect on the Pump | What to Do |
|---|---|---|
| Boat ashore October to April | Blades set in one position and crack on the first start | Renew before the season, not after it |
| Water left in the housing over frost | Ice splits the cup and the housing | Drain the raw water side at lay up |
| German lakes and rivers | Scale rather than salt, slower corrosion of the plate | Clean the cup, check the plate each season |
| Baltic use | Salt stays in the housing between trips | Flush on muffs after every trip |
| Motor stored on the bracket | Leg up traps water, leg down drains it | Store with the leg vertical |
| Motor used a few weekends a year | Impeller ages without turning | Change on the calendar, not on hours |
Bulgaria, Belgium and the Serial Plate
| Plate Prefix | Where It Was Sold | What It Means |
|---|---|---|
| BEL serial | Belgium, much of the EU stock | Use the BEL column in the table above |
| USA serial | United States | Use the USA column |
| Plate missing or painted over | Unknown history | Measure the old impeller and match the Kit Component table |
| Alpha One Gen II | Sterndrive, 0D469859 and above | Oil seal 816597A1 in the kit is critical |
| Earlier Alpha One | Before 0D469859 | Different pump, check before ordering |
| Verado 135 to 350 HP | Outboard, 1999 and later | Same impeller family |
Fitting Notes
| Step | Action |
|---|---|
| 1 | Read the serial number, Alpha One Gen II is 0D469859 and above, outboards by the ranges above |
| 2 | Match the old housing against 47-43026Q06 or 47-43026K06, this kit covers the family |
| 3 | Check the cup and the wear plate for scoring, the kit replaces the plate |
| 4 | On a sterndrive, fit the new oil seal 816597A1 or water reaches the gear oil |
| 5 | Fold the blades in the direction of rotation, glycerine only, never grease |
| 6 | Use both new gaskets and the O-rings, a reused gasket is the usual leak |
| 7 | Pressure test the gearcase on a sterndrive before refilling |
| 8 | Run and check the telltale, then check the gear oil after the first trip |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Shipping from Germany
| Destination | Warehouse | Note |
|---|---|---|
| Germany | Germany local warehouse | Domestic delivery, no import duty |
| Austria, Netherlands, Belgium | Germany local warehouse | EU delivery, no customs charge |
| Other EU destinations | Germany local warehouse | EU delivery, VAT included |
Before You Buy
- Read the serial number, Alpha One Gen II is 0D469859 and above
- Check the old housing against 47-43026Q06 or 47-43026K06
- Check the cup and wear plate for scoring
- On a sterndrive, fit the new oil seal 816597A1
- Renew before the season, not after the first trip
- This is the repair kit, the housing and the gearcase oil are not included
- 30-Day Easy Returns
- Ships from our Germany local warehouse
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