• 880890T1 Mercury Fuel Pump | Genuine Used Part
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880890T1 Mercury Fuel Pump | Genuine Used Part

880890T1 Mercury Fuel Pump | Genuine Used Part

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🔧 Product Description

Genuine Mercury / Mariner 75HP-115HP FourStroke Low-Pressure Fuel Pump - Part Number: 880890T1

A genuine Mercury low-pressure mechanical fuel pump for Yamaha-derived Mercury and Mariner inline-four FourStroke outboards. It transfers fuel from the boat supply into the vapour separator before the electric high-pressure pump feeds the EFI system or carburettors.

⚙️ Key Features

  • Genuine Mercury / Mariner OEM lift pump
  • Correct part number 880890T1
  • Used on Yamaha-derived 75HP-115HP FourStroke engines
  • Crosses to Yamaha 68V and 6D8 pump families
  • Multiple verified aftermarket replacements available

🚤 Compatibility

  • Mercury / Mariner 75HP and 90HP carburetted FourStroke - serial 0G960500 to 0T800999
  • Mercury / Mariner 75HP and 90HP carburetted FourStroke - serial 0T801000 to 1B226999
  • The pump is specifically documented from serial 0T409000 onward within applicable carburetted families
  • Mercury 115HP EFI FourStroke USA - serial 0T178500 to 1B366822
  • Selected 75HP, 80HP, 90HP, 100HP and 115HP Yamaha-derived EFI FourStroke variants using the corresponding pump assembly
  • Exact fitment follows the serial-number fuel-pump or vapour-separator diagram

🔌 Function

The pump supplies low-pressure fuel to the vapour separator so the high-pressure EFI pump or downstream carburettor system receives a continuous supply.

⚠️ Common Signs of Failure

  • Engine starts then stalls
  • Fuel pressure drops under load
  • High-pressure pump becomes noisy
  • Primer bulb must be pumped repeatedly
  • Diaphragm or check valves fail
  • Fuel or pulse hoses leak

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 880890T1 is the documented Mercury service reference
  • 880980A02 is a related Mercury complete-pump reference
  • Yamaha 68V-24410-00-00, 6D8-24410-00 and 6D8-24410-10 are cross-brand OEM references for compatible engine families
  • Supersession and interchange must follow the Mercury serial-number catalogue

OEM / Related Numbers

  • 880890T1
  • 880980A02
  • Yamaha 68V-24410-00-00
  • Yamaha 6D8-24410-00
  • Yamaha 6D8-24410-10
  • Related pump gasket, pulse hose and vapour-separator fuel line

Aftermarket / Verified Equivalents

  • OSFP880
  • Fuel Pump Factory FP-1042
  • JLM aftermarket low-pressure pump
  • SeaSierra replacement pump
  • Recmar replacement under the Yamaha 68V / 6D8 cross-reference

📦 Condition

  • Genuine used part
  • Removed from running engine 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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