Volvo Penta Transmission Oil 1141681 — OEM Synthetic GL-5, 5 Gallon

Volvo Penta Transmission Oil — Part No. 1141681

This is the genuine OEM Volvo Penta synthetic GL-5 transmission oil in the 5-gallon (18.9 L) pail size. Formulated specifically for Volvo Penta marine drive applications, this oil is engineered to protect gears, bearings, and clutch components under the high-load, high-temperature demands of marine sterndrive and IPS operation. The 5-gallon size is ideal for service shops, multi-drive vessels, or owners who prefer to stock bulk quantities for scheduled maintenance.

If your service manual or serial-number parts lookup specifies 1141681, this is the correct oil — not a substitute.

Product Details

• Part Number: 1141681
• Brand: Volvo Penta (OEM)
• Official Product Type: Synthetic Marine Transmission / Gear Oil, GL-5
• Container Size: 5 Gallon (18.9 L) Pail
• System: Marine transmission, IPS drive, and Aquamatic sterndrive lubrication
• Supersedes: Confirm via Volvo Penta serial-number lookup — earlier references may have been consolidated into this part number
• Replaced By: Confirm via current Volvo Penta parts catalog — supersession status can change with model year updates

Compatible Applications

Use only where Volvo Penta part number 1141681 is specified. Compatibility is determined by drive model, transmission type, production year, and serial number range. Always verify against your service manual or Volvo Penta parts lookup before ordering.

• Volvo Penta IPS (Inboard Performance System) drives
• Volvo Penta Aquamatic sterndrive transmissions
• Late-model Volvo Penta sterndrive applications requiring synthetic GL-5 transmission oil
• Service shops performing multi-drive or bulk transmission oil changes

Key Features

• Genuine OEM formulation — meets Volvo Penta's exact specification for compatible drives
• Synthetic GL-5 chemistry — high-load gear protection under marine operating conditions
• Wear and corrosion protection — guards internal gears, bearings, and clutch surfaces
• Water contamination resistance — formulated to maintain protection even in the presence of minor moisture ingress
• 5-gallon pail — economical for shops, multi-drive service, or bulk stocking

Service Interval

Replace transmission and drive oil at the intervals specified in your Volvo Penta service manual — typically every 100–200 hours or annually, whichever comes first. Also change after any water intrusion event, when oil appears milky or contaminated, after major drive service, or when metal debris or a burnt smell is detected during inspection.

Installation Notes

Drain and refill following the Volvo Penta service procedure for your specific drive or transmission. Inspect the magnetic drain plug and sealing washers; replace seals as needed. Fill to the correct level using the method specified for your model — overfilling or underfilling can affect shifting performance and seal life.

Related Parts

• Volvo Penta Transmission Oil 80W-90 GL-5 — 1141676
• Volvo Penta Transmission Oil 75W-90 GL-5 Synthetic — 1141679
• Volvo Penta Transmission Oil — 1141680
• Volvo Penta Gearbox Oil Filter — 3582069
• Volvo Penta Magnetic Drain Plug — 852904
• Volvo Penta IPS Transmission Oil 75W-90 — 22479647
• Volvo Penta IPS Transmission Oil 75W-90 1L — 22479650

Technical FAQ

Is 1141681 the same oil as 1141679 or 1141680, just in a larger size?
They are related products in the Volvo Penta transmission oil family, but part numbers are not interchangeable without confirming the specification for your specific drive and serial range. Always match the part number your service manual requires.

Can I use a general-purpose GL-5 gear oil instead?
No. Volvo Penta genuine transmission oil is formulated to their specific requirements. Substituting a non-OEM GL-5 oil can affect shifting feel, clutch performance, gear protection, and seal compatibility in marine drive applications.

How do I know if this is the right oil for my drive?
Cross-reference your drive model and serial number in the Volvo Penta parts catalog or service manual. The required lubricant is listed by serial number range — not by drive model name alone.

What if my oil looks milky after draining?
Milky oil indicates water intrusion — a serious condition requiring immediate inspection of drive seals before returning to service. Do not simply refill and continue operating.

Parts Desk Insights

Best use case: The 5-gallon pail is the right choice for service shops performing multiple drive oil changes, owners with twin or triple-drive vessels, or anyone who prefers to stock bulk quantities for scheduled maintenance. It offers better value per litre compared to smaller sizes when volume is needed.

Common customer questions: Customers frequently ask whether this can substitute for 1141679 or 1141680 — it cannot without confirming the specification for their specific drive and serial range. The most common mistake is selecting by oil type alone rather than matching the exact part number to the service manual requirement.