HZ Ignition Coil for Briggs Stratton Twin L-Head Engines – Compatible with 590781, 394891, 422707 & More

Overview

Upgrade your mower's ignition with the HZ ignition coil designed for Briggs Stratton twin L-Head engines. This high-quality replacement matches original coil numbers and is compatible with Briggs & Stratton models such as 590781, 392329, 394891, 394988, and 394895. It supports both horizontal and vertical twin configurations found in riding mowers and tractors from MTD, Troy-Bilt, and related brands.

In real-world use, you may notice crisper starts and a steady idle when the coil is delivering a consistent spark path across a wide model spectrum. The coil is designed to fit engines powering many popular models, such as 42A707, 42A777, 422707, 422700, and others in the Briggs range. It also covers additional part numbers and engine variants listed in our compatibility guide.

Compatibility highlights

• Replaces Briggs numbers 590781, 392329, 394891, 394988, 394895
• Fits 16HP–21HP Briggs twin L-Head engines (horizontal & vertical)
• Cross-compatible with select MTD, Troy-Bilt, Cub Cadet, Craftsman riding mowers and tractors
• Model range includes 42A707, 42A777, 422707, 422700, 400400, 401417, 421431, 421417 and more

Key features and notes

• High-quality replacement that matches the original Briggs Stratton coil interfaces
• Designed for V-twin engines, covering many Briggs L-Head configurations
• Durable construction suitable for outdoor maintenance equipment
• Easy verification: check the listed part numbers and model ranges before ordering

Installation and use: To install, power down the mower, disconnect the battery, remove the old coil, and swap in the new unit, ensuring the connectors are secure and the mounting matches the original layout. You may experience improved spark consistency and easier starts in compatible engines.

Quality and fit: This ignition coil is presented as a reliable replacement option tuned to Briggs Stratton twin engines, designed to perform with your corresponding models while aligning with the original coil interfaces for a straightforward swap.