• 895289A21 Mercury Oil Pressure Gauge | Genuine Used Part
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895289A21 Mercury Oil Pressure Gauge | Genuine Used Part

895289A21 Mercury Oil Pressure Gauge | Genuine Used Part

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🔧 Product Description

Genuine Mercury / Quicksilver Flagship Oil Pressure Gauge - Part Number: 79-895289A21

A genuine used Mercury / Quicksilver electrical oil-pressure gauge with a white face, black graduations and white bezel.

The gauge is designed for MerCruiser petrol engines and selected Mercury / Mariner four-stroke outboards using a compatible resistive oil-pressure sender. Part number 895289A21 supersedes earlier white gauge 859689A11.

⚙️ Key Features

  • Genuine Mercury / Quicksilver oil-pressure gauge
  • Correct part number 79-895289A21
  • Supersedes 79-859689A11
  • White face with white bezel
  • Compatible with petrol marine-engine oil-pressure senders

🚤 Compatibility

Commonly used on

  • MerCruiser MCM petrol sterndrive engines
  • MerCruiser MIE petrol inboard engines
  • Mercury / Mariner four-stroke outboards
  • White Flagship Mercury dashboards

Typically suits

  • Mercury / Mariner 25HP, 30HP, 40HP, 45HP and 50HP FourStroke applications where specified
  • Mercury / Mariner 225HP FourStroke applications where specified
  • MerCruiser four-, six- and eight-cylinder petrol engines
  • Other engines whose instrument catalogue specifies 895289A21
  • Electrical System: 12 volts
  • Signal Type: Resistive oil-pressure sender
  • Fitment Requirement: Confirm sender resistance, range, cutout and terminals

🔌 Function

The gauge displays engine oil pressure from a compatible sender, allowing the operator to identify low pressure or abnormal lubrication-system behaviour.

⚠️ Common Signs of Failure

  • No pressure reading
  • Gauge reads maximum with the sender disconnected
  • Needle fluctuates
  • Sender is faulty or incorrectly matched
  • Wiring or ground is damaged

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 79-895289A21 → Supersedes 79-859689A11
  • 79-859689A11 earlier white oil-pressure gauge reference

OEM / Related Numbers

  • 79-895289A21
  • 895289A21
  • 79-859689A11
  • 859689A11
  • 79-895289A01 related black-face version
  • 79-895289A41 related white-face chrome-bezel version
  • Compatible Mercury oil-pressure sender is required
  • Typical marine oil-pressure scale is approximately 0-80 PSI / 0-5 bar

Aftermarket / Verified Equivalents

  • Faria Beede 0-80 PSI marine oil-pressure gauge
  • Sierra 0-80 PSI marine oil-pressure gauge
  • Veethree 0-80 PSI marine oil-pressure gauge
  • VDO gauge and sender set
  • Sender resistance must match the replacement instrument

📦 Condition

  • Genuine used part
  • Removed from running engine or vessel where applicable
  • In good working condition unless otherwise stated

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 the condition you received it for a refund or exchange. 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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