BRP 9779139 - Replacement MPN: BRP_779139,BRP_9779139 OEM BRP Product, Part Number: 9779139. Replaces: 779139 Full-synthetic formula made from premium oil base stocks Performs consistently throughout a broad temperature range. Easy cold starting Tested and proven by BRP engineers to offer the best engine protection where its use is specified Ambient temperature operating range +40deg. C/+104deg. F to -45deg. C/-49deg. F The best all-year-long choice for any BRP vehicle with a 4-stroke engine.