Oil Seal

This high-quality replacement oil seal (SKU 399781S) is designed to prevent oil leaks and keep contaminants out of your engine. Manufactured to OEM specifications for BRIGGS & STRATTON 399781, it offers a durable, reliable seal for a range of outdoor power equipment. Ideal for use in lawn mowers, generators, and small engines, this seal ensures long-lasting performance and easy installation.

• Precision-engineered to match original BRIGGS & STRATTON dimensions for a perfect fit.
• Constructed from high-grade rubber and metal for superior durability and oil resistance.
• Direct replacement part – simple to install with basic tools.

• BRIGGS & STRATTON single-cylinder engines (e.g., 500–700 series)
• Lawn mowers (e.g., Victa, Rover, Masport with compatible B&S engines)
• Small generators and pressure washers using B&S powerplants

Engine Seals & Gaskets – replacement oil seals for small engines, ensuring leak-free operation and extended engine life.