KH866 Air Cleaner Cover Kit for Briggs and Stratton 125–140cc & Murray 300E–550EX (595660/799579)

KH866 Air Cleaner Cover Kit — Exact Fit for Briggs & Stratton and Murray Mowers

Keep your mower’s air intake clean and sealed with the KH866 Air Cleaner Cover Kit. This replacement set is designed to match the 595660 air filter cover and 799579 foam filter, compatible with Briggs & Stratton 125cc–140cc engines and Murray series including 300E, 450E, 500E, 550E, and 550EX. The kit offers a reliable way to refresh your air filtration components without guessing at fitment, delivering a neat, professional appearance after installation.

Why choose the KH866 kit

• Exact compatibility with Briggs & Stratton 125cc–140cc engines and Murray 300E–550EX models, using the original part numbers 595660 and 799579.
• Durable plastic construction designed to endure engine heat and vibration for steady performance.
• Precision molding and a compact profile ensure a smooth, secure fit and a clean mower exterior.
• Simple installation and disassembly, making it a practical replacement option when parts wear or get damaged.
• Complete replacement kit includes one air foam filter and one air cleaner cover for a cohesive swap.

What you get and how it helps

• 1 × Air Foam Filter — helps maintain clean airflow and protects against debris.
• 1 × Air Cleaner Cover — provides a snug seal and a finished look on the engine housing.

Note: Installation instructions are not included, but the parts are designed for straightforward replacement with basic tools.

In real-world use, this kit supports a tidy air path and an orderly engine bay, contributing to a consistent mowing experience. While results can vary by model and maintenance, users often appreciate a faster refresh when the original cover and filter show signs of aging. The KH866 kit is a practical option for those seeking an exact-fit, durable replacement that preserves the mower’s appearance and airflow performance.