Briggs & Stratton 491055S spark plug close-up for precise ignition performance.
Briggs & Stratton 491055S packaging label ensures genuine OEM compatibility.
Briggs & Stratton 491055S installed in engine shows easy maintenance.
Briggs & Stratton 491055S ceramic insulator detail highlights durable construction.
Briggs & Stratton 491055S compatibility with Briggs engines for versatile replacement.

Briggs & Stratton

Briggs & Stratton Genuine 491055S Spark Plug | Replaces 805015/72347/491055

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$8.06

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Why customers choose PatioZora Garden

Overview

Genuine Briggs & Stratton replacement spark plug 491055S is designed to fit small gasoline engines with precision. As an OEM part, it adheres to Briggs & Stratton's exact standards, ensuring proper fit, reliable combustion, and serviceable performance for your Briggs engine family. It replaces older part numbers 805015, 72347, and 491055, streamlining maintenance with a single, trusted component.

Key benefits

  • Genuine Briggs & Stratton part designed to exact OEM specifications for compatible engines.
  • Replaces 805015/72347/491055, simplifying inventory and maintenance decisions.
  • Widely used on most 3-cylinder liquid-cooled Briggs engines for straightforward replacement.

In real-world use, the 491055S can contribute to consistent ignition and dependable starts, which many operators value during regular maintenance. Because it is a genuine part, it is built to endure engine heat and vibration while remaining aligned with Briggs engines' design intent.

What to expect in practice

  • Potential for smoother idle and reliable starts with proper installation.
  • Better compatibility with Briggs engines that require OEM spark plug geometry and heat range.
  • Clear packaging and part numbers help ensure you have the correct replacement the first time.

Installation and care tips: Always disconnect power and ensure the engine is cool before removing the old plug. Clean the threaded area, inspect the gasket seat, and tighten to the manufacturer’s recommended specification. Using genuine parts like 491055S helps preserve the engine's original performance characteristics over time.

FAQ

Q: Which engines is the 491055S spark plug compatible with?

A: Used on most 3-cylinder liquid-cooled Briggs engines.

Q: Is the 491055S a genuine Briggs & Stratton part?

A: Yes, it is a genuine Briggs & Stratton spark plug designed to OEM standards and tested for Briggs engines.

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