Genuine Oregon 77-313-1 Spark Plug Replaces Bosch W9ECO Champion J17LM NGK B4LM

This spark plug is designed for reliable ignition performance in various small engines. It serves as a replacement part compatible with multiple well-known spark plug models, ensuring efficient engine starts and smooth operation.

• Aftermarket spark plug compatible with Bosch W9ECO, Champion J17LM, and NGK B4LM models
• Ideal for use in lawn mowers, chainsaws, and other small engine equipment
• Ensures consistent ignition and improved engine performance
• Easy to install and replace
• Durable construction for long-lasting use

This item is an aftermarket part, not OEM. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.