63P-45378-00 Yamaha Nipple | Genuine OEM Yamaha Outboard Part
63P-45378-00 Yamaha Nipple | Genuine OEM Yamaha Outboard Part
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🔧 Product Description
Genuine Yamaha Hose Nipple - Part Number: 63P-45378-00-00
A genuine Yamaha OEM hose nipple used in Yamaha lower-casing / cooling-water hose connection assemblies. This small fitting provides a secure hose connection point in the gearcase or lower-casing water passage area.
⚙️ Key Features
- Genuine Yamaha OEM hose nipple
- Correct Yamaha part number 63P-45378-00-00
- Used on Yamaha lower-casing drive diagrams
- Cooling hose / water passage connection fitting
- Small but important replacement part for broken, blocked or corroded hose nipples
🚤 Compatibility
Commonly used on
- Yamaha lower-casing drive assemblies
- Yamaha F150 / VF150 hose nipple locations
- Cooling-water / speedometer hose connection points depending on model diagram
Typically suits
- Engine models:
- Yamaha F150AET applications where 63P-45378-00 is specified
- Yamaha F150LA applications where 63P-45378-00 is specified
- Yamaha F150LB applications where specified
- Yamaha F150TLR applications where specified
- Yamaha F150TXR applications where specified
- Yamaha F150XA applications where specified
- Yamaha VF150LA applications where specified
- Yamaha VF150XA applications where specified
- Yamaha 63P-series lower-casing assemblies using this hose nipple
- HP Range: commonly 150HP where specified
- Engine Type: Yamaha four-stroke outboard lower-unit / lower-casing assembly
- Year Range: model-specific F150 / VF150 applications, commonly 2004 onward depending on model
- Component Type: Hose nipple / water passage fitting
🔌 Function
The hose nipple provides a fixed connection point for a small cooling-water or pressure hose so water can flow through the intended passage without leaks or disconnection.
⚠️ Common Signs of Failure
- Broken nipple during lower-unit service
- Corrosion or salt blockage inside fitting
- Hose loose or unable to seal
- Water leakage at hose connection
- Blocked speedometer or water-pressure passage
- Damaged threads in lower casing
- Hose nipple missing after repair work
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 63P-45378-00-00 Yamaha nipple, hose reference
- 63P-45378-00 short Yamaha nipple format
OEM / Related Numbers
- 63P-45378-00-00
- 63P-45378-00
- 63P453780000
- 63P4537800
- 93210-07540-00 related O-ring used with some 63P hose nipple listings
- 93210-07540 related Yamaha O-ring reference
Aftermarket / Verified Equivalents
- Direct confirmed aftermarket cross should be matched by OEM number 63P-45378-00-00
- Yamaha OEM replacement nipple supplied as 63P-45378-00-00
- Related Yamaha hose nipple family: 6E5-45378-00-00 for different Yamaha gearcase applications
- Generic Yamaha speedometer / cooling hose nipple repair fittings exist, but 63P-45378-00-00 should not be substituted without confirming thread, hose size and lower-casing diagram
📦 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.
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