• 478m0214945 Mercury MerCruiser 478037481 Impeller | Genuine Quicksilver OEM Part
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478m0214945 Mercury MerCruiser 478037481 Impeller | Genuine Quicksilver OEM Part

478m0214945 Mercury MerCruiser 478037481 Impeller | Genuine Quicksilver OEM Part

$37.30 AUD
$37.30 AUD
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🔧 Product Description

Genuine Quicksilver Water Pump Impeller - Part Number: 47-8M0214945

Genuine Quicksilver/Mercury water pump impeller for selected Mercury and Mariner 6HP-9.9HP small outboard lower-unit water pump applications. This OEM impeller supersedes the earlier 47-8037481 reference and is used on selected Japanese International two-stroke and 209cc carburetted four-stroke standard gearcase models.

⚙️ Key Features

  • Genuine Quicksilver/Mercury OEM water pump impeller
  • Current service replacement for 47-8037481 applications
  • Designed for selected Mercury / Mariner 6HP-9.9HP small outboards
  • Used on standard gearcase water pump assemblies
  • Helps restore cooling-water flow, pump priming and water pressure

🚤 Compatibility

Commonly used on

  • Mercury / Mariner 6HP-9.9HP small outboard lower-unit water pump assemblies
  • Mercury / Mariner Japanese International small two-stroke applications
  • Mercury / Mariner 209cc carburetted four-stroke standard gearcase applications

Typically suits

  • Engine models:
  • Mercury 6HP Japanese International 2-Stroke, serial 0N02790 and up
  • Mercury 8HP Japanese International 2-Stroke, serial 0N02790 and up
  • Mercury 9.9HP Japanese International 2-Stroke, serial 0N260037 and up
  • Mercury 8HP Carb 209cc 4-Stroke standard gearbox, serial 0R042475 and up
  • Mercury 9.9HP Carb 209cc 4-Stroke standard gearbox, serial 0R042475 and up
  • Mariner 6HP / 8HP / 9.9HP Japanese International outboard applications using the matching 8037481-style impeller
  • Mercury / Mariner 6HP-9.9HP standard gearcase service applications where the parts diagram specifies 47-8M0214945
  • HP Range: 6HP - 9.9HP
  • Engine Type: Mercury / Mariner small outboard standard gearcase water pump system
  • Year Range: Application dependent by 0N and 0R serial range

🔌 Function

The impeller rotates inside the lower-unit water pump housing to pull cooling water into the engine. A correctly fitted impeller helps maintain water flow, prevents overheating and supports reliable operation at idle, low speed and operating RPM.

⚠️ Common Signs of Failure

  • Weak tell-tale water stream
  • Engine overheating warning
  • Reduced cooling-water pressure
  • Pump not priming after storage
  • Cracked, stiff or missing impeller vanes
  • Rubber fragments in cooling passages

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 47-8M0214945 → Supersedes 47-8037481
  • 47-8037481 earlier OEM reference

OEM / Related Numbers

  • 47-8M0214945
  • 8M0214945
  • 478M0214945
  • 47-8037481
  • 8037481
  • 478037481

Aftermarket / Verified Equivalents

  • AMS: HJ-HJB-P-3B2
  • REC: REC47-8037481
  • Aftermarket service kit references where matched to standard gearcase 8037481 pump applications

📦 Condition

  • Genuine Quicksilver 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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