99999-03936-00 Yamaha Housing | Genuine OEM Yamaha Outboard Part
99999-03936-00 Yamaha Housing | Genuine OEM Yamaha Outboard Part
Couldn't load pickup availability
✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Genuine Yamaha Lower Water Pump Housing Set - Part Number: 99999-03936-00
A genuine Yamaha replacement lower water-pump housing set for selected 25HP to 60HP two-stroke and four-stroke outboards.
The housing forms the lower portion of the impeller chamber and supports the associated driveshaft sealing components beneath the water pump.
⚙️ Key Features
- Genuine Yamaha OEM water-pump housing set
- Correct Yamaha part number 99999-03936-00
- Supersedes water-pump housing set 6H3-WS443-00
- Used on selected Yamaha 25HP to 60HP gearcases
- Complete replacement housing rather than a bare gasket
🚤 Compatibility
Commonly used on
- Yamaha 6H3-series lower water-pump assemblies
Typically suits
- Engine models:
- Yamaha 25B selected gearcases
- Yamaha 50G
- Yamaha 60F
- Yamaha F50A
- Yamaha FT50B
- Yamaha FT50C
- Yamaha FT50G
- Yamaha FT50J high-thrust applications
- Selected Yamaha F40, F50 and F60 gearcases using the same lower housing
- HP Range: Commonly 25HP - 60HP
- Engine Type: Yamaha two-stroke and four-stroke outboard
- Year Range: Gearcase dependent
🔌 Function
The housing forms the lower water-pump base and supports the driveshaft seals while separating the cooling-water chamber from the gearcase.
⚠️ Common Signs of Failure
- Lower pump base is corroded or distorted
- Gear oil leaks beneath the water pump
- Engine overheats despite new upper pump components
- Seal bores are worn or damaged
- Gearcase fails pressure or vacuum testing
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 99999-03936-00 → Supersedes 6H3-WS443-00-00
- 6H3-WS443-00-00 earlier Yamaha water-pump housing set
OEM / Related Numbers
- 99999-03936-00
- 999990393600
- 6H3-WS443-00
- 6H3-WS443-00-00
- 6H3-44352-00 related impeller
- 6H3-W0078-series related water-pump repair kit
Aftermarket / Verified Equivalents
- Aftermarket lower housing set replacing 6H3-WS443-00
- Included in selected complete 6H3-series water-pump kits
📦 Condition
- Genuine Yamaha part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
Share
