Engineered Marine Products 1399-39009 Choke Thermostat for BRP Outboard Engines

The Engineered Marine Products (EMP) 1399-39009 Choke Thermostat is an aftermarket replacement choke thermostat designed to meet OEM specifications for BRP outboard engines. EMP is a trusted name in marine replacement parts, engineering components to match or exceed original equipment performance and reliability.

The choke thermostat regulates the carburetor's choke butterfly valve based on engine operating temperature, allowing the correct air-fuel mixture for smooth cold starts and consistent idle as the engine warms up. A properly functioning choke thermostat is essential for reliable engine starting and efficient carburetor operation across varying temperature conditions.

Key Features:

• Direct OEM replacement — cross-references BRP part number 3854108
• Engineered to OEM fit, form, and function specifications
• Controls choke butterfly opening based on engine temperature for optimized air-fuel mixture
• Supports reliable cold starts and smooth warm-up performance
• Built for durability in demanding marine environments

EMP part number 1399-39009 | UPC: 077942341245 | Cross-reference: BRP 3854108