• 278M0072137 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part
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278M0072137 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

278M0072137 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part

$7.00 AUD
$7.00 AUD
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🔧 Product Description

Genuine Quicksilver Water Pump Outer Plate Gasket - Part Number: 27-8M0072137

A genuine Quicksilver water-pump and pump-case gasket for selected Mercury and Mariner small two-stroke outboards.

The gasket seals the outer plate or pump-case joint, allowing the impeller to draw and pressurise cooling water without leakage around the water-pump housing.

⚙️ Key Features

  • Genuine Quicksilver OEM water-pump gasket
  • Correct current Mercury part number 27-8M0072137
  • Supersedes earlier 16158-series gasket references
  • Used on selected 6HP to 9.9HP Japanese-production outboards
  • Recmar and AMS replacement references available

🚤 Compatibility

Commonly used on

  • Mercury and Mariner small-outboard water-pump cases
  • Japanese-production two-stroke lower units

Typically suits

  • Engine models:
  • Mercury / Mariner 6HP two-stroke Japanese-production models
  • Mercury / Mariner 8HP two-stroke Japanese-production models
  • Mercury / Mariner 9.9HP two-stroke Japanese-production models
  • Mercury F8 lower-unit applications using gasket 8M0072137
  • Mercury F9.9 lower-unit applications using gasket 8M0072137
  • Pump-case assemblies using water-pump base 46-803750A01 or upper housing 46-803750A02
  • HP Range: 6HP - 9.9HP
  • Engine Type: Mercury / Mariner small two-stroke outboard
  • System Type: Water-pump outer plate / pump-case gasket

🔌 Function

The gasket seals the pump-case joint so the impeller can create the suction and pressure required to circulate cooling water.

⚠️ Common Signs of Failure

  • Weak tell-tale flow
  • Engine overheats after water-pump service
  • Air enters around the pump case
  • Gasket torn or incorrectly positioned
  • Water pressure remains low with a new impeller

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 27-8M0072137 → Supersedes 27-161585
  • 27-161585 → Supersedes / relates to 16158015
  • 16158015 earlier OEM pump-case gasket reference

OEM / Related Numbers

  • 27-8M0072137
  • 8M0072137
  • 278M0072137
  • 27-161585
  • 161585
  • 16158015
  • EAN: 745061606197

Aftermarket / Verified Equivalents

  • Recmar: PAF8-04000008
  • AMS: 27-8M0072137 replacement gasket
  • Aftermarket: 16158015 / 161585 outer plate gasket

📦 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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