• 21901811 Extension | Genuine Volvo Penta Part
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21901811 Extension | Genuine Volvo Penta Part

21901811 Extension | Genuine Volvo Penta Part

$149.54 AUD
$149.54 AUD
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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

Factory extension component used in the Volvo Penta diesel installation that specifies 21901811. Its length, interface and mounting details are application controlled and must be matched to the original assembly.

⚙️ Key Features

  • Factory length and interface geometry
  • Designed for the assigned assembly
  • Maintains alignment and clearance
  • Uses original mounting hardware
  • Exact product and serial match required

🔌 Function

Extends or spaces the assigned assembly while preserving its alignment and interface.

⚠️ Common Signs of Failure

  • Loose attachment
  • Misalignment
  • Wear at the mating interface

🛠️ Service Notes

  • Confirm the extension's length and interface match the original assembly before fitting, since these are application-controlled.
  • Use the original mounting hardware and recheck alignment once fitted, as misalignment is listed as a failure sign.

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 21901811 → Supersedes 20405981

OEM / Related Numbers

  • 20405981 earlier number superseded by this part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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