Briggs & Stratton Ignition Coil - 590454

Key Features

• Genuine Briggs & Stratton OEM ignition coil (magneto armature) – 590454, manufactured to original equipment specifications for dependable fit and ignition performance.
• Reliable spark generation – restores consistent spark energy for efficient combustion, enabling dependable starts and steady engine operation.
• Durable construction – windings and housing engineered to withstand heat, vibration, and outdoor conditions typical of walk-behind mowers and other small power equipment.
• Precision fitment – OEM mounting points and air-gap alignment ensure correct installation and stable ignition timing for long service life.
• Cross-reference and compatibility clarity – part reference 590454 with superseded numbers (e.g., 491760, 493237, 692605, 790817, 792631, 799381, 802559, 802574, T802574) to aid replacement decisions.

Product Details

• Function: magneto armature ignition coil designed for Briggs & Stratton small engines commonly found on walk-behind mowers and other outdoor power equipment.
• Application: generates the high-voltage spark required for reliable ignition, supporting starting performance and smooth operation; particularly beneficial when diagnosing no-spark, intermittent spark, misfires, or hard starting.
• Construction: durable electrical windings and a robust housing built to resist heat, vibration, and environmental exposure typical of outdoor use.
• Fitment integrity: OEM mounting and air-gap alignment enable correct timing and stable spark output, contributing to long-term engine reliability.
• Part Reference: 590454. Superseded OEM numbers are listed to aid cross-compatibility (as noted in the replacement references).
• Compatibility context: suitable for Briggs & Stratton Quantum series and select 12 cu. in. L-head vertical engines, where specified in parts lookup.

Compatibility

• Engine families: Briggs & Stratton small engines, including Quantum series and select 12 cu. in. L-head vertical engines (compatibility confirmed via parts lookup for specific engine Model–Type–Code).
• Examples of typical compatible engine models (representative samples; actual fitment varies by engine type and code): 095722, 095732, 096722, 096732, 097772, 097777, 099772, 099776, 099777, 104772, 104777, 110602, 110612, 110682, 111602, 111607, 111682, 111687, 11A602, 11A682, 11A687, 11C602, 120502, 120602, 120607, 120609, 120612, 120682, 120H02, 120H07, 121602, 121605, 121606, 121607, 121609, 121612, 121672, 121682, 121686, 121687, 122602, 122607, 122612, 122672, 122677, 122682, 123602, 123607, 123672, 124602, 124672, 124682, 125602, 125607, 125672, 125682, 126602, 126606, 126607, 127602, 127605, 127607, 127609, 128602, 128605, 128607, 128612, 129602, 129612, 129702, 129707, 129782, 129H00, 12A602, 12A802, 12B602, 12B802, 12C602, 12C682, 12C702, 12C802, 12C807, 12C882, 12D602, 12D607, 12D672, 12D677, 12D802, plus additional 12-series variants listed in engine-type coverage.
• Fitment note: Briggs fitment is determined by Model–Type–Code, not solely the model number family. Before ordering, verify your engine Model–Type–Code to ensure correct compatibility.