Description

Volvo Penta 21681796 is a genuine Volvo Penta synthetic gasoline engine oil sold in a 5-gallon (20 liter) container. Current Volvo Penta parts-shop listings identify part number 21681796 simply as Oil, while current Volvo Penta oil reference listings from major OEM-parts dealers identify it more specifically as SAE 10W-40 synthetic gasoline engine oil for newer gasoline applications.

This oil is associated with Volvo Penta gasoline marine engines, especially gas engines newer than 2002, and current dealer reference material notes that Volvo Penta moved away from the older straight-30 recommendation in favor of 10W-40 synthetic for those applications. The same reference lists API SJ and ACEA A3/B3 performance grades for this oil.

Key Features

• Genuine Volvo Penta OEM oil
• Part number: 21681796
• Oil type: Synthetic gasoline engine oil
• Viscosity: SAE 10W-40
• Performance grades: API SJ, ACEA A3/B3
• Container size: 5 Gallon

Engine Compatibility
Current Volvo Penta oil reference material ties 21681796 to Volvo Penta marine gasoline engines newer than 2002. Because oil recommendations can vary by engine family, model year, and emissions/catalyst configuration, final selection should still be checked against the engine operator’s manual and engine serial number.

Serial Number Fitment Notice
Please confirm the correct oil specification by engine serial number and operator’s manual before ordering. Oil selection should match the exact Volvo Penta engine family and service requirements, not just the brand or general engine type. This is especially important on catalyst-equipped and later-model gasoline engines.

When This Part Needs Replacement
Replace or replenish this oil when:

• scheduled engine-oil service is due
• seasonal maintenance is being performed
• oil contamination is suspected
• the engine has undergone repair work requiring fresh oil
• you are stocking the correct bulk oil for routine Volvo Penta gasoline-engine service

Installation Notes

• Confirm the required oil spec in the engine manual before use.
• Use the correct oil filter and fill quantity for the exact engine.
• Follow Volvo Penta’s service interval guidance for the specific engine package.
• Current dealer reference material notes this oil is intended for gasoline applications rather than diesel service.

Alternate/Superseded Part Numbers
The sources reviewed consistently identify this oil under active Volvo Penta part number 21681796. I did not confirm a superseded number from the sources reviewed.

Parts Desk Insight
This part number is the 5-gallon bulk size, which usually makes it more relevant for shops, multi-engine service, or customers maintaining more than one gasoline-powered Volvo Penta package. It is not the small top-off size, so it is best positioned as a scheduled-service oil rather than a one-off add-oil bottle.

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