• 3809621 Cap | Genuine Volvo Penta Part
  • 3809621 Cap | Genuine Volvo Penta Part - photo 2 of 2
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3809621 Cap | Genuine Volvo Penta Part

3809621 Cap | Genuine Volvo Penta Part

$567.67 AUD
$567.67 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

Genuine Volvo Penta cap from the Cooling System group, weighing 1.46 kg and listed for 16 applications on D series engines. It supersedes 3826605, which was catalogued earlier as a cover, and 3826604.

🚤 Compatibility

Typically suits:

  • Volvo Penta D12C-A MP
  • Volvo Penta D12D-A MG
  • Volvo Penta D12D-A MH
  • Volvo Penta D12D-A MP
  • Volvo Penta D12D-B MH
  • Volvo Penta D12D-B MP
  • Volvo Penta D12D-C MH
  • Volvo Penta D12D-C MP
  • Volvo Penta D12D-D MP
  • Volvo Penta D12D-E MG
  • Volvo Penta D12D-E MH
  • Volvo Penta D12D-E MP
  • Volvo Penta D12D-F MP
  • Volvo Penta D12D-G MH
  • Volvo Penta D12D-G MP
  • Volvo Penta D12D-H MP
  • Engine Family: D

⚙️ Key Features

  • 16 applications on D series engines
  • Supersedes 3826605 and 3826604
  • Replaces what was previously listed as a cover
  • 1.46 kg

🔌 Function

Closes off the cooling circuit opening it fits, sealing it against coolant pressure.

⚠️ Common Signs of Failure

  • Coolant seeping or crusting around the cap joint
  • Pressure not holding in the circuit
  • Sealing face corroded, pitted or distorted
  • Studs or threads in the mating housing damaged
  • Repeated gasket weeping at this joint

🛠️ Service Notes

  • The number 3826604 that this supersedes also sits behind by-pass valve 3809467 and thermostat housing 3809577 — that earlier number covered an assembly now split across three part numbers, so identify which piece has failed
  • Renew the gasket or seal with the cap and pull the fixings up evenly

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 3809621 → Supersedes 3826605

OEM / Related Numbers

  • 3826605 earlier number superseded by this part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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