HZ Ignition Coil for Briggs & Stratton 7–16HP Single Cylinder Engines — Direct-Fit 398811 Replacement, OEM Cross-Reference

HZ Ignition Coil 398811 is a direct-fit, high-quality replacement coil designed to restore spark to Briggs & Stratton single-cylinder horizontal and vertical engines from 7HP to 16HP.

If your small engine won’t start or runs poorly due to a faulty ignition module, this HZ replacement ignition coil is engineered to match the OEM fit and function for many Briggs & Stratton part numbers including 398811, 298968, 395326, 395492, 398265 and 293366. It supports a broad range of engine models used in lawn mowers, generators, snow blowers, log splitters, and other outdoor equipment. Manufactured to meet the electrical and physical specifications expected by these engines, the HZ coil offers a straightforward swap that avoids the long lead times and expense of sourcing original OEM parts.

Which Briggs & Stratton models and part numbers does this HZ coil replace?

This HZ ignition coil is designed to replace several Briggs & Stratton coils and fit many engine model families. The product lists direct cross-references like 398811 and 298968 and supports engines across the 7HP–16HP range, covering both horizontal and vertical single-cylinder configurations.

• Replaces OEM part numbers: 398811, 298968, 395326, 395492, 398265, 293366 and related numbers.
• Fits engine models commonly numbered 170401–197707 and extended BS series codes such as 19E, 19F, 19G and 22x, 23x, 24x series.
• Works on equipment types: lawn mowers, generators, snow blowers, wood chippers, log splitters and more.

How do I install the HZ 398811 ignition coil and what tools are needed?

Installation is a direct-replacement process on compatible engines and generally requires basic hand tools and a small amount of mechanical experience. You’ll remove the engine shroud, detach the old coil and lead, align the new coil to the flywheel pole, set the correct air gap, secure mounting hardware, and reconnect the kill switch or spark plug lead.

• Tools typically needed: screwdriver, socket set, feeler gauge (for air gap), and wrench.
• Key steps: remove shroud, disconnect wire, unbolt old coil, position new coil, set air gap (usually .010"–.014"), tighten bolts, reconnect lead.
• Reference your engine model manual for exact air-gap and ignition timing specs.

What performance and quality features can I expect from this replacement coil?

HZ builds this coil to provide consistent secondary voltage and reliable arc for spark generation across the listed engine family. The coil is a solid-state assembly intended to maintain stable ignition under typical load and temperature ranges experienced by outdoor power equipment.

• Solid-state construction to match modern ignition behavior and durability needs.
• Designed to meet OEM mounting points and electrical connections for quick replacement.
• Suitable for repeated starts and common outdoor-use conditions when installed correctly.

Who is this for: The HZ Ignition Coil 398811 is aimed at DIY mechanics, small-engine repair shops, and equipment owners who need a dependable, cost-effective replacement for Briggs & Stratton ignition modules on 7HP–16HP single-cylinder engines. If you own or maintain mowers, generators, snow blowers, log splitters, or similar machines that reference the supported part numbers or model codes, this coil provides a practical restoration option to get your engine back to reliable operation without sourcing scarce OEM stock.