Key Features

• Genuine Briggs & Stratton OEM valve cover gasket, Part 691890, manufactured to original equipment specifications for dependable sealing performance.
• Effective oil leak prevention by sealing the mating surfaces between the valve (rocker) cover and the cylinder head, helping maintain oil integrity and engine cleanliness.
• Durable, oil-resistant material designed to withstand heat, vibration, and normal small-engine operating conditions.
• Accurate OEM fitment with factory-matched shape and bolt-hole pattern to ensure correct alignment and sealing surface engagement.
• Part references and cross-compatibility: 691890 (primary), with listed cross-refs includes 691890S, 792890, and 799890 in various catalogs.

Product Details

• Type: Valve cover gasket for Briggs & Stratton small engines, designed to seal the valve cover to the cylinder head.
• Material: Oil-resistant sealing material engineered for heat and vibration within typical lawn and outdoor power equipment engines.
• OEM Alignment: Precisely engineered to align with the valve cover surfaces and bolt pattern for consistent sealing performance.
• Primary Benefit: Maintains proper lubrication by preventing oil seepage, reducing oil contamination, and supporting engine cleanliness during routine maintenance or leak repairs.
• Part Confirmation: Part reference 691890 confirms replacement compatibility for engines requiring a full valve (rocker) cover seal; cross-references may appear as 691890S, 792890, or 799890 depending on catalog.
• Usage Context: Suitable for residential mower engines, walk-behind engines, and similar equipment where an OEM valve cover seal is specified.

Compatibility

• Designed for select Briggs & Stratton small engines that require a full valve cover seal between the rocker cover and cylinder head.
• Common applications include single-cylinder OHV engines used in walk-behind lawn mowers and other outdoor power equipment.
• Suitable for Briggs & Stratton Intek™ and OHV series engines where the official parts diagram specifies Part 691890.
• Exact fitment depends on the engine’s Model–Type–Code; verify against the official Briggs & Stratton illustrated parts list before ordering.
• Replaces or supersedes related references as cataloged: 691890S, 792890, 799890.