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3857778 Volvo Sump | Genuine Used Part

3857778 Volvo Sump | Genuine Used Part

$450.00 AUD
$450.00 AUD
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✓ Authorised Volvo Penta Dealer · Genuine used marine parts · Ships Australia-wide

🔧 Product Description

Genuine Volvo Penta GM Small-Block Engine Oil Sump - Part Number: 3857778

A genuine used Volvo Penta oil sump for selected GM-based small-block petrol marine engines.

The stamped-steel pan stores the engine's lubricating oil and provides the correct clearance and pickup depth for the marine oil-pump system. It uses the one-piece rear-main-seal GM small-block pattern.

⚙️ Key Features

  • Genuine used Volvo Penta oil sump
  • Correct OEM part number 3857778
  • Small-block GM marine oil-pan design
  • Suitable for one-piece rear-main-seal engines
  • Original drain and mounting configuration
  • Supersedes Volvo part numbers 855826, 855897 and 856437

🚤 Compatibility

Commonly used on

  • Volvo Penta GM small-block petrol sterndrive and inboard engines

Typically suits

  • Volvo Penta 5.0Gi, 5.0GXi and 5.0GXiE
  • Volvo Penta 5.7Gi, 5.7Gi-300, 5.7GXi and 5.7GXiE
  • Volvo Penta 5.7OSi and 5.7OSXi
  • Selected MerCruiser, OMC, Indmar and Marine Power 5.0L, 5.7L and compatible 6.2L small-block engines
  • Engine Type: GM small-block V8 petrol marine engine
  • Engine Capacity: Primarily 5.0L / 305 CID and 5.7L / 350 CID
  • Production Range: Generally 1987 and newer one-piece rear-main-seal engines
  • Fitment Note: Confirm sump shape, dipstick side and drain arrangement

🔌 Function

The sump stores the engine oil and keeps the pump pickup submerged while providing clearance around the crankshaft and marine installation.

⚠️ Common Signs of Failure

  • Oil leaks through corrosion or pinholes
  • Drain-plug threads are damaged
  • Mounting flange is distorted
  • Pan is dented into the oil pickup
  • Internal rust or sludge is present
  • Oil level becomes difficult to maintain
  • Gasket sealing surface is pitted

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 3857778 cross-references Volvo Penta 3859008 on replacement listings
  • MerCruiser 809910 / 809910T1 and 8M0150300 are verified cross-brand references
  • OMC and other GM marine brands use equivalent small-block sump designs

OEM / Related Numbers

  • 3857778
  • 3859008
  • MerCruiser 809910
  • MerCruiser 809910T1
  • MerCruiser 8M0150300
  • OMC / Ford-Industrial cross listing FI1101295
  • 3856138 related gasket kit
  • 3852744 related internal baffle
  • 3856125 related oil pump
  • 8M0150304 related replacement sump gasket

Aftermarket / Verified Equivalents

  • Sierra: 18-0612 - small-block stamped-steel oil pan
  • Recmar: REC809910 - replacement oil pan
  • MerCruiser / Quicksilver: 809910T1 or 8M0150300
  • Marine aftermarket pans cross-listed to 3857778, 3859008 and 809910

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated

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 the condition you received it for a refund or exchange. 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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