HZ Ignition Coil 594626/595304 — Direct-Fit Replacement for Briggs & Stratton 9–21 HP Engines, Replaces 594456

HZ ignition coil 594626 / 595304 is a direct-fit replacement coil for many Briggs & Stratton, MTD and John Deere small engines, restoring spark to lawn mowers and outdoor power equipment.

This replacement ignition coil from HZ is engineered to match the mounting, plug orientation and electrical output of common Briggs & Stratton modules (including part numbers 594626, 594456, 595304, 592841, 595038, 799650, 795315 and many cross-references). It works across a wide range of engine sizes and brands—9–21 horsepower class engines used in walk-behind mowers, zero-turns and garden tractors—and is intended to simplify repairs by offering a reliable aftermarket option that fits existing engine configurations.

Will this coil fit my Briggs & Stratton engine?

Many Briggs & Stratton part numbers are cross-referenced to this HZ coil, so fitment is often a matter of matching the OEM reference or mounting plate. Check the engine part number or compare the plug lead and bolt spacing against your old coil to confirm compatibility.

• Compatible OEM numbers: 594626, 594456, 595304, 592841, 595038, 799650, 795315
• Fits numerous engine families from 9hp up to 21hp where those part numbers are used
• Compare mounting holes and high-tension lead position for verification

How do I install the HZ ignition coil on my mower?

Installation requires minimal tools: remove the flywheel cover, disconnect the spark plug wire, and unbolt the old coil. Align the HZ coil on the mounting plate, set air gap per engine specification, secure fasteners and reconnect the spark lead—then test for spark before reassembling the cover.

• Remove flywheel shroud and disconnect spark plug cap
• Unbolt old coil and lift clear of flywheel
• Set correct air gap (use a feeler gauge as specified by engine manual)
• Tighten coil, reconnect lead, and verify ignition before final reassembly

Which models and equipment commonly use this replacement coil?

The HZ coil is compatible with a long list of stationary and mobile small engines as well as branded equipment that use Briggs & Stratton powerplants. It is suitable for many walk-behind and riding mowers, MTD-powered units, Troy-Bilt, Cub Cadet, Craftsman and some John Deere models that reference the listed part numbers.

• MTD, Troy-Bilt, Cub Cadet, Craftsman walk-behind and riding mowers
• John Deere crossover numbers LG492341 and LG495859
• Common engine model series: G1236, CC760, CC760ES and similar designs

What performance and compatibility should I expect?

This HZ coil produces the high-voltage pulse required for spark across compatible engines and is built to the same basic form factor as many OEM units. While it’s an aftermarket component, it is intended for straightforward replacement use—inspect for physical damage and confirm electrical connections for reliable starting and running.

• Delivers standard high-voltage output for ignition systems that match OEM specs
• Direct-fit mounting and lead orientation for quick swap-out
• Designed to work with coil part number families listed above

Who is this for: The HZ 594626 / 595304 ignition coil is aimed at homeowners, landscapers and small-engine technicians who need a dependable replacement for older or failed Briggs & Stratton coils. It suits anyone comfortable with basic engine maintenance—removing a flywheel shroud, setting an air gap and confirming electrical connections—and looking to restore ignition on mowers, garden tractors and similar outdoor power equipment using the referenced OEM part numbers.