DOWSIL™ 737 Crankshaft Sealant – Clear Silicone Sealant | 3 oz Tube

DOWSIL™ 737 Neutral Cure Sealant is a high-performance, one-part silicone sealant designed for applications requiring a flexible, durable seal with excellent resistance to oil, moisture, vibration, and temperature changes.

The convenient 3 oz tube is ideal for engine maintenance, repair, and assembly work where only a small amount of sealant is required, helping reduce waste while keeping fresh material available for the next job.

Product Features

• Product: DOWSIL™ 737 Neutral Cure Sealant
• Size: 3 oz tube
• Color: Clear
• Base: Silicone
• One-part, ready-to-use formula
• Neutral-cure silicone technology
• Remains flexible after curing
• Excellent adhesion to many metals and other substrates
• Resistant to moisture, vibration, and environmental exposure
• Convenient tube for controlled application

Engine & Airboat Applications

DOWSIL 737 is commonly used in engine maintenance and assembly applications where an approved silicone sealant is specified.

Potential applications include:

• Crankshaft oil seal installation
• Engine sealing applications
• Metal-to-seal bonding
• Gasket and sealing applications where silicone sealant is specified
• General airboat engine maintenance and repair

Continental & Lycoming Crankshaft Seal Applications

DOWSIL 737 is recognized for use in Continental & Lycoming crankshaft oil seal installation procedures on applicable direct-drive engines when specified by the appropriate Continental & Lycoming service information.

Important Application Note

Always verify the applicable engine manufacturer's maintenance manual, overhaul manual, or service instructionsbefore use. Sealant requirements can vary by engine model and sealing location.

Do not substitute DOWSIL 737 for another specified gasket compound, thread sealant, or case sealant unless the substitution is permitted by the applicable maintenance data.

Sold individually – One 3 oz tube.