• 448m0140440 Mercury MerCruiser Propeller shaft | Genuine Quicksilver OEM Part
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448m0140440 Mercury MerCruiser Propeller shaft | Genuine Quicksilver OEM Part

448m0140440 Mercury MerCruiser Propeller shaft | Genuine Quicksilver OEM Part

$760.15 AUD
$760.15 AUD
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🔧 Product Description

Genuine Quicksilver Right-Hand Propeller Shaft - Part Number: 44-8M0140440

A genuine Quicksilver right-hand propeller shaft used in selected MerCruiser Alpha sterndrives and Mercury / Mariner high-horsepower outboard gearcase applications. This shaft transfers drive from the gearset through to the propeller and is a critical lower-unit component for correct propulsion, propeller alignment and gearcase reliability.

⚙️ Key Features

  • Genuine Quicksilver OEM propeller shaft
  • Correct Mercury part number 44-8M0140440
  • Right-hand / standard rotation shaft application
  • Used on selected MerCruiser MC-I, R, MR, Alpha One and Alpha One Gen II applications
  • Also used on selected Mercury / Mariner 2.5L and 3.0L high-output outboard gearcases

🚤 Compatibility

Commonly used on

  • MerCruiser Alpha sterndrive right-hand propeller shaft applications
  • Mercury / Mariner high-horsepower outboard gearcases using 44-8M0140440

Typically suits

  • Engine / drive models:
  • MerCruiser R / MR / Alpha One sterndrive, 1983-1990 - serial 6225577 to 0F386995
  • MerCruiser R / MR / Alpha One transom assembly, 1983-1990 - serial 6216687 to 0F386995
  • MerCruiser Alpha One Gen II sterndrive, 1996-1997 - serial 0F680000 to 0K999999
  • Mercury Jet Pump 3.0L DFI - serial 0T997974 to 1E003045
  • Mercury 200HP DTS 6-cylinder 3.0L - serial 0T980000 to 1B417701
  • Mercury 200HP 3.0L EFI SeaPro - serial 0T409000 to 0T800999
  • Mercury 200HP 6-cylinder 2.5L / 3.0L gearcase applications using standard rotation propeller shaft 44-8M0140440
  • Mercury 225HP DTS 6-cylinder 3.0L - serial 0T599000 to 1B417701
  • Mercury 225HP 3.0L EFI standard rotation gearcase applications using 44-8M0140440
  • Mercury 250HP 3.0L EFI standard rotation gearcase applications using 44-8M0140440
  • Mercury 250XS 3.0L standard rotation gearcase applications using 44-8M0140440
  • Mercury 300X / 300 Pro Max 3.0L standard rotation gearcase applications using 44-8M0140440
  • HP Range: commonly used across 200HP - 300HP outboard applications, plus Alpha sterndrive applications
  • Engine / Drive Type: MerCruiser Alpha sterndrive and Mercury / Mariner 2.5L / 3.0L outboard gearcase
  • Rotation: Right-hand / standard rotation

🔌 Function

The propeller shaft transfers gearcase output to the propeller and supports correct propeller rotation, thrust loading and lower-unit operation.

⚠️ Common Signs of Failure

  • Bent or damaged shaft causing propeller wobble
  • Gear oil leakage from propeller shaft seals
  • Vibration under load
  • Damaged splines or propeller hub engagement issues
  • Lower-unit noise caused by shaft or bearing misalignment

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 44-8M0140440 → Supersedes 44-824110
  • 824110 earlier OEM reference

OEM / Related Numbers

  • 44-8M0140440
  • 8M0140440
  • 44-824110
  • 824110
  • 55857
  • 66060
  • 660602
  • 660603

Aftermarket / Verified Equivalents

  • Sierra: 18-2166
  • GLM: 11150
  • Mallory: 9-72450
  • WSM: 449-120

📦 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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