Briggs Stratton 77-167 Oregon Spark Plug Ngk CMR7H

Product Description

The BRIGGS STRATTON 77-167 is an Oregon-sourced replacement spark plug cross-referenced to the NGK CMR7H specification. Spark plugs in this class provide the ignition arc required to fire the air-fuel mixture in small gasoline engines. This plug is used in the routine maintenance and repair of outdoor power equipment powered by Briggs and Stratton engines. Small-engine technicians and experienced DIYers install this part during seasonal tune-ups or whenever a fouled or worn plug is diagnosed as the cause of hard starting, rough running, or misfires.

This spark plug is suited for residential and light commercial outdoor power equipment applications, including walk-behind lawn mowers, riding mowers, and similar small-engine platforms that specify the NGK CMR7H plug type. It is intended as a direct OEM-style replacement, restoring factory ignition performance without modification. Service technicians working on Briggs and Stratton-powered equipment will find this plug a practical stocking item for standard tune-up work.

Key Features

• Cross-referenced to NGK CMR7H specification for confirmed fitment
• Oregon-sourced replacement part for Briggs and Stratton small engines
• Direct drop-in replacement requiring no modification
• Suitable for seasonal tune-ups and ignition system service

Compatibility

Designed as an OEM-style replacement spark plug for Briggs and Stratton small gasoline engines that specify the NGK CMR7H plug. Refer to your engine model documentation or original equipment manual to confirm fitment before installation.

Installation Notes

Spark plug replacement on small engines is typically performed by small-engine technicians or qualified DIYers following the engine manufacturer service manual. Disconnect the spark plug wire and allow the engine to cool completely before beginning work. Use a spark plug socket and torque wrench appropriate for the plug thread size; do not overtighten. Follow local and manufacturer guidelines for gap specification and disposal of the old plug.

Technical Specifications

• Cross-Reference: NGK CMR7H
• Manufacturer Line: Oregon Replacement Parts

Standard Information

• Brand: BRIGGS STRATTON
• Manufacturer Part Number: 77-167