• 3852404 Drive Gear Set | Genuine Volvo Penta Part
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3852404 Drive Gear Set | Genuine Volvo Penta Part

3852404 Drive Gear Set | Genuine Volvo Penta Part

$2,325.03 AUD
$2,325.03 AUD
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Available on request — contact us

As an authorised Volvo Penta dealer we can source parts through channels not shown online, and check supersession and used options for you

Availability checked daily with Volvo Penta

✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide

🔧 Product Description

Genuine Volvo Penta drive gear set for the 1.66:1 and 1.97:1 ratios, listed for 14 applications on the SX drive series. It supersedes part number 3850939, catalogued earlier as a gear set.

🚤 Compatibility

Typically suits:

  • Volvo Penta SX-RT2
  • Volvo Penta SX-S
  • Volvo Penta SX-ST
  • Volvo Penta SX-C
  • Volvo Penta SX-C1
  • Volvo Penta SX-C2
  • Volvo Penta SX-CT
  • Volvo Penta SX-CT1
  • Volvo Penta SX-CT2
  • Volvo Penta SX-M
  • Volvo Penta SX-M1
  • Volvo Penta SX-MTD
  • Volvo Penta SX-MTD3
  • Volvo Penta SX-RT1
  • Engine Family: SX

⚙️ Key Features

  • For the 1.66:1 and 1.97:1 ratios
  • Supersedes 3850939
  • 14 applications on the SX series
  • Order by ratio, not by weight

🔌 Function

Provides the meshed gear pair that turns the drive through its designed reduction ratio.

⚠️ Common Signs of Failure

  • Whine or howl from the drive that tracks engine load
  • Glitter or chips found on the oil drain magnet
  • Tooth flanks pitted, scuffed or broken
  • Backlash grown beyond specification
  • Drive oil overheating and smelling burnt

🛠️ Service Notes

  • This set is published at 0.633 kg while the other three ratios are all around 2.05 to 2.08 kg - the low figure looks like an error, so do not use weight to check what has arrived
  • Ratio decides the order - 1.51:1 and 1.79:1 as 3852402, 1.60:1 and 1.89:1 as 3852403, 1.66:1 and 1.97:1 here and 2.18:1 as 3852405
  • Fit as a matched pair and reset shims and backlash to specification

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 3852404 → Supersedes 3850939

OEM / Related Numbers

  • 3850939 earlier number superseded by this part

📦 Condition

  • Genuine Volvo Penta 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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