Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Volvo Penta Synthetic Engine Oil 10W-40 | 5 Gallon | OEM 21681796

Original price $391.00 - Original price $391.00
Original price
$391.00
$391.00 - $391.00
Current price $391.00
Availability:
Only 4 left!
In stock items ship same or next day.

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

Volvo Penta OEM Synthetic Engine Oil 10W-40 — 5 Gallon

Part Number: 21681796  |  SKU: 21681796
Brand: Volvo Penta  |  Type: OEM Synthetic 4-Stroke Marine Engine Oil
Viscosity: SAE 10W-40  |  Performance Grades: API SJ, ACEA A3/B3
Container Size: 5 Gallon (approx. 20 L)

The genuine factory-spec synthetic engine oil for Volvo Penta gasoline marine engines. This 5-gallon bulk size is formulated to meet Volvo Penta's exact lubrication requirements for post-2002 gasoline engine applications, delivering reliable protection in both freshwater and saltwater environments.


Key Features

  • Genuine Volvo Penta OEM synthetic formulation — meets factory specifications
  • SAE 10W-40 viscosity — recommended for Volvo Penta gasoline engines newer than 2002
  • API SJ and ACEA A3/B3 rated for proven performance
  • Superior wear protection for pistons, rings, and bearings
  • Excellent corrosion resistance for saltwater and freshwater use
  • Maintains stable viscosity across wide operating temperature ranges
  • Minimizes sludge and deposit buildup for cleaner engine internals
  • 5-gallon bulk size — ideal for multi-engine service or full-season stocking

Compatible Applications

  • Volvo Penta gasoline marine engines manufactured after 2002
  • Volvo Penta AQ-series gasoline inboard engines (confirm by serial number)
  • Volvo Penta GXi, OSi, and related gasoline sterndrive packages
  • Volvo Penta IPS gasoline pod-drive applications (confirm by serial number)
  • Not intended for diesel engine applications — confirm with your engine operator's manual

Always verify compatibility using your engine serial number and operator's manual before ordering. Oil specifications can vary by engine family, model year, and emissions configuration.


Service Interval

Replace engine oil and filter at every 100 operating hours or annually — whichever comes first. Always follow the interval specified in your Volvo Penta engine owner's manual for your specific model and engine package.


Parts Desk Insights

Best Use Case: This 5-gallon bulk size is the right choice for marine service shops, multi-engine vessels, or owners who perform their own annual maintenance and want to stock the correct oil for the season. It's significantly more economical per litre than the single-bottle size when you're doing a full service or maintaining more than one Volvo Penta gasoline engine.

Common Questions: Customers sometimes ask whether a high-quality aftermarket 10W-40 marine oil can substitute — while some third-party oils meet similar API/ACEA ratings, using the genuine Volvo Penta synthetic ensures compatibility with seal materials, cooling system chemistry, and maintains OEM warranty compliance. We also frequently get asked about the difference between this part and the 1-litre version (Volvo Penta Engine Oil 21681795) — the formulation is the same; this is simply the bulk 5-gallon size.


Technical FAQ

Q: What viscosity is this oil?
A: SAE 10W-40 — the Volvo Penta-recommended viscosity for gasoline marine engines manufactured after 2002.

Q: Is this oil suitable for diesel Volvo Penta engines?
A: No — this oil is formulated for gasoline applications. Diesel Volvo Penta engines require a different oil specification. Refer to your engine operator's manual.

Q: How much oil does my engine take?
A: Oil capacity varies by engine model. Refer to your Volvo Penta owner's manual or engine specification sheet for the correct fill quantity.

Q: What's the difference between 21681796 and 21681795?
A: Part 21681795 is the 1-litre single bottle; 21681796 is the 5-gallon (approx. 20 L) bulk container. Same OEM synthetic 10W-40 formulation.


Related Parts

Complete your service with these commonly paired items:

Shipping information

In-stock and OEM parts: ship same or next business day.

Locally warehoused items: ship within 1-3 business days.

Special-order items: timeline confirmed after order.

Returns & warranty

Returns & Satisfaction Guarantee

We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.

If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.

To qualify for a return:


  • Item must be in new, unused condition

  • Product must be in its original packaging

  • All parts, components, hardware, manuals, and accessories must be included

  • Packaging must be undamaged and suitable for resale

Important:

Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.

We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.

For return authorization, please contact our support team before shipping anything back.

Free Shipping

When you spend $150 or more

Here to Help

Get in touch with us

Store Pickup

Pick up your order yourself, for free

Easy Exchanges

Return or exchange within 30 days