• 478777 Gear | Genuine Volvo Penta Part
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478777 Gear | Genuine Volvo Penta Part

478777 Gear | Genuine Volvo Penta Part

$1,026.56 AUD
$1,026.56 AUD
Sale Sold out
Shipping calculated at checkout.

Available from Volvo Penta international

Typically reaches our store in 10–14 business days

Availability checked daily with Volvo Penta

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

🔧 Product Description

Genuine Volvo Penta gear marked Nitro, weighing 1.196 kg and listed for 65 applications across the TAD, TD, TWD and TID series.

🚤 Compatibility

  • Engine Family: TAD, TD, TWD, TID

Full model list at the end of this description.

⚙️ Key Features

  • Marked Nitro
  • 1.196 kg
  • 65 applications across the TAD, TD, TWD and TID series
  • Gear 478289 is the close sibling at 1.213 kg, for engines from serial number 155516 onwards

🔌 Function

Transmits drive through the timing train, keeping the driven shafts in phase with the crankshaft.

⚠️ Common Signs of Failure

  • Whine or growl from the timing end of the engine
  • Rattle at idle that changes under load
  • Bright metal debris in the oil or filter
  • Teeth found pitted, chipped or worn to a step
  • Backlash measured outside specification

🛠️ Service Notes

  • Gear 478289 sits only 17 grams away at 1.213 kg with a very similar application list, so weight is no guide, order by the Nitro marking and the part number
  • Check the mating gears and the idler bearing for matching wear and set backlash on assembly

📦 Condition

  • Genuine Volvo Penta part
  • Brand new
  • Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

  • Volvo Penta TD61A, TD61ACE, TD61AG, TD61AGP, TD61AP, TD61APB, TD61AW
  • Volvo Penta TD71A, TD71ACE, TD71AG, TD71AGP, TD71AP, TD71APB, TD71AW
  • Volvo Penta TID71A, TID71AG, TID71AGP, TID71AP, TID71APB
  • Volvo Penta TWD1210G, TWD1210P, TWD1210PB, TWD1210V
  • Volvo Penta TWD610G, TWD610P, TWD610PB, TWD610V
  • Volvo Penta TAD1030P, TAD1030V, TAD1030VE
  • Volvo Penta TD121G-87, TD121GP, TD121GPB
  • Volvo Penta TD610G, TD610M, TD610V
  • Volvo Penta TWD1211V, TWD1211P, TWD1211G
  • Volvo Penta TWD710P, TWD710PB, TWD710V
  • Volvo Penta TAD730P, TAD730V
  • Volvo Penta TD630ME, TD630VE
  • Volvo Penta TD730ME, TD730VE
  • Volvo Penta TID61AG, TID61AGP
  • Volvo Penta TWD1230ME, TWD1230VE
  • Volvo Penta TWD630ME, TWD630VE
  • Volvo Penta TAD1230V
  • Volvo Penta TD100G
  • Volvo Penta TD1030VE
  • Volvo Penta TD1210G
  • Volvo Penta TD640VE
  • Volvo Penta TWD1030ME
  • Volvo Penta TWD1031VE
  • Volvo Penta TWD1231VE
  • Volvo Penta TWD730ME
  • Volvo Penta TWD731VE
  • Volvo Penta TWD740VE

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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