27-161582 Mercury MerCruiser Face Plate Gasket Upper | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Upper Water Pump Face Plate Gasket - Part Number: 27-161582

A genuine Quicksilver upper face-plate gasket for selected Mercury, Mariner, Tohatsu and Nissan lower-unit water pumps.

The gasket seals the upper water-pump housing or face plate to the pump case, preventing cooling-water pressure from escaping around the impeller chamber.

⚙️ Key Features

• Genuine Quicksilver OEM water-pump gasket

• Correct Mercury part number 27-161582

• Upper face plate to pump-case sealing position

• Cross-references with Tohatsu and Nissan 348-65018-0

• Available individually and in complete impeller kits

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 27-161582 current OEM gasket reference

• 161582 original Mercury base reference

OEM / Related Numbers:

• 27-161582

• 161582

• 27161582

• Tohatsu: 348-65018-0

• Tohatsu: 348650180

• Tohatsu: 348650180M

Aftermarket / Verified Equivalents:

• Tohatsu / Nissan Marine: 348-65018-0

• Asaki: 348-65018-0

• SeaSierra: gasket supplied in 853792A07 water-pump kit

• GHmarine: gasket supplied in 853792A07 kit

🚤 Compatibility

Commonly used on:

• Mercury and Mariner 25HP to 40HP water-pump assemblies

• Corresponding Tohatsu and Nissan pump cases

Typically suits:

• Engine models:

• Mercury / Mariner 25HP two-stroke

• Mercury / Mariner 30HP two-stroke

• Mercury / Mariner 25HP and 30HP four-stroke applications using the Tohatsu-based lower unit

• Tohatsu / Nissan M25C, M25C2 and M25C3

• Tohatsu / Nissan M30A3 and NS30A3

• Tohatsu / Nissan M35C and NS35C

• Tohatsu / Nissan M40C and NS40C2

• Tohatsu / Nissan MFS25A, MFS25B and NSF25A / NSF25B

• Tohatsu / Nissan MFS30A, MFS30B and NSF30A / NSF30B

• Mercury water-pump kits using impeller 161541 / 345-65021-0

• HP Range: 25HP - 40HP

• Engine Type: Mercury / Mariner / Tohatsu / Nissan two-stroke and four-stroke outboard

• System Type: Upper water-pump face-plate gasket

🔌 Function

The gasket seals the water-pump face plate and housing, maintaining cooling-water pressure through the impeller chamber.

Common signs of failure:

• Weak cooling-water flow

• Engine overheats after impeller replacement

• Water bypasses the pump housing

• Gasket is torn, compressed or misaligned

• Corrosion prevents the gasket sealing flat

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging