• 6N6-W0078-02 Yamaha Water Pump Kit | Genuine OEM Yamaha Outboard Part
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6N6-W0078-02 Yamaha Water Pump Kit | Genuine OEM Yamaha Outboard Part

6N6-W0078-02 Yamaha Water Pump Kit | Genuine OEM Yamaha Outboard Part

$182.00 AUD
$182.00 AUD
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🔧 Product Description

Genuine Yamaha Complete Water Pump Service Kit - Part Number: 6N6-W0078-02

A genuine Yamaha water-pump kit for selected 100HP to 140HP two-stroke and early F115 four-stroke outboards.

The kit contains the impeller, wear plate, cartridge insert, pump gasket, O-rings, dowels, bolts and drive key required for a comprehensive lower-unit pump service.

⚙️ Key Features

  • Genuine Yamaha OEM water-pump kit
  • Correct current Yamaha part number 6N6-W0078-02
  • Complete impeller, plate, insert, seal and hardware package
  • Uses Yamaha impeller 6E5-44352-01
  • Sierra, HJ Marine and SEI replacements available

🚤 Compatibility

Commonly used on

  • Yamaha V4 lower-unit water pumps
  • Early Yamaha F115 four-stroke gearcases

Typically suits

  • Engine models:
  • Yamaha 100A two-stroke - approximately 1997-2000
  • Yamaha 115B two-stroke - approximately 1997-2011
  • Yamaha 115C two-stroke - approximately 1997-2013
  • Yamaha 130B two-stroke - approximately 1997-2014
  • Yamaha 140B two-stroke - 2003 production
  • Yamaha F115A four-stroke - approximately 2000-2001
  • Corresponding L-series counter-rotation applications where the pump diagram specifies 6N6-W0078-02
  • HP Range: 100HP - 140HP
  • Engine Type: Yamaha V4 two-stroke and early inline-four F115 four-stroke
  • Year Range: Approximately 1997-2014, dependent on engine model.

🔌 Function

The kit renews the water-pump components responsible for drawing seawater through the lower unit and circulating it through the powerhead.

⚠️ Common Signs of Failure

Common signs the kit is required

  • Weak tell-tale stream
  • Engine overheats under load
  • Impeller vanes are damaged
  • Wear plate or cartridge insert is scored
  • O-rings or gasket leak around the pump housing

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 6N6-W0078-02 → Supersedes 6N6-W0078-01
  • 6N6-W0078-01 earlier OEM water-pump kit reference

OEM / Related Numbers

  • 6N6-W0078-02
  • 6N6-W0078-02-00
  • 61A-44322-02 cartridge insert
  • 93210-86M38 O-ring
  • 93210-37M67 O-ring
  • 6E5-44352-01 impeller
  • 6E5-44323-00 wear plate
  • 6E5-44315-A0 gasket
  • 93606-12019 dowel
  • 90119-08M14 bolt with washer
  • 90280-04M05 woodruff key

Aftermarket / Verified Equivalents

  • Sierra: 18-3313-1
  • Sierra: 18-3312 related pump kit
  • HJ Marine: YHJB-6N6
  • SEI Marine: 96-405-01K
  • Aftermarket Yamaha 6N6 complete water-pump kit

📦 Condition

  • Genuine Yamaha part
  • Brand new
  • Supplied in original or equivalent packaging

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

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?

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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