10 Spark Plug Repl RC12YC for 491055S M78543 BCPR6ES 792015

Product Overview

This spark plug is a high-quality replacement for a wide range of small engines, lawn mowers, and power equipment. It provides reliable ignition and efficient combustion. This spark plug is suitable for both two-stroke and four-stroke engines.

Key Features & Performance

• Copper core electrode for excellent heat transfer and performance.
• Resistor type reduces radio frequency interference.
• Pre-gapped to 0.030 inches for quick installation.
• Corrosion-resistant nickel-plated shell.
• Designed to meet OEM specifications for reliable starting.
• Wide compatibility with multiple engine brands.

Common Uses

• Lawn mowers and tractors
• Chainsaws and leaf blowers
• Generators and pressure washers
• Outboard motors and marine engines
• Small engine equipment requiring standard spark plugs

Technical Specifications

• Part Number(s): RC12YC, 491055S, M78543, 12-132-02-S, BCPR6ES, 792015, 805015
• Thread Size: 14mm (standard small engine)
• Gap: Pre-gapped at 0.030 inches
• Type: Resistor spark plug

Frequently Asked Questions

Q: What is the gap setting for this spark plug? A: The spark plug is pre-gapped at 0.030 inches; however, always verify the gap per your engine manual.

Q: Is this spark plug compatible with my Honda lawn mower? A: It fits many Honda models using the RC12YC or BCPR6ES cross-reference; check your OEM part number for confirmation.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.