91038A1 895285Q43 Mercury Speedometer | Genuine Used Part

🔧 Product Description

Genuine Mercury / Quicksilver International II 65 MPH Speedometer - Part Numbers: 79-91038A1 / 79-895285Q43

A genuine used Mercury / Quicksilver mechanical pitot speedometer with a black face, orange and white graduations, black bezel and a 10-65 MPH range.

Original speedometer kit 91038A1 was superseded by International II service gauge 895285Q43. The later kit uses a 270-degree dial sweep, fits an approximately 3-3/8-inch dashboard opening and was supplied with pitot pressure tubing.

⚙️ Key Features

• Genuine Mercury / Quicksilver mechanical speedometer

• Original part number 79-91038A1

• Current replacement reference 79-895285Q43

• Black face with orange and white graduations

• 10-65 MPH International II dial

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 79-895285Q43 → Supersedes 79-91038A1

• 79-895285Q43 → Also replaces 79-827880A1, 79-825354A1, 79-87174A1 and 79-15117A1

• 79-91038A1 earlier speedometer-kit reference

OEM / Related Numbers:

• 79-91038A1

• 91038A1

• 79-895285Q43

• 895285Q43

• 79-827880A1

• 827880A1

• 79-825354A1

• 825354A1

• 79-87174A1

• 87174A1

• 79-15117A1

• 15117A1

• Pitot tubing and pickup required

Aftermarket / Verified Equivalents:

• Faria Beede 65-80 MPH mechanical pitot speedometer

• Sierra 65-80 MPH mechanical pitot speedometer

• Veethree mechanical performance speedometer

• Functional replacement must match the 3-3/8-inch cutout and hose fitting

🚤 Compatibility

Commonly used on:

• Mercury and Mariner outboard-powered boats

• MerCruiser-powered runabouts

• International II black instrument panels

• Mechanical pitot speed systems

Typically suits:

• Instrument Type: Mechanical speedometer

• Speed Range: 10-65 MPH

• Dial Sweep: Approximately 270 degrees

• Dashboard Opening: Approximately 3-3/8 inches / 85mm

• Signal Type: Pitot water pressure

• Engine Compatibility: Not engine-specific

🔌 Function

The gauge converts pressure from a pitot speed pickup into an indicated boat-speed reading.

Common signs of failure:

• Gauge remains at zero

• Reading is lower than GPS speed

• Needle sticks or fluctuates

• Pitot or pressure hose is blocked

• Hose is leaking or disconnected

📦 Condition

• Genuine used part

• Removed from running vessel where applicable

• In good working condition unless otherwise stated