YDO Ignition Coil for Onan P218G P220 P224G — Direct OEM Replacement for BF/BG Series, Restores Spark Reliability

High-performance replacement ignition coil for Onan small engines P218G, P220, P224G and compatible models, built to match OEM fit and function.

This YDO ignition coil is engineered to replace worn or failed coils on a broad range of Onan engines (including BF, BFA, BG, BGA, BGE, B43E/G/M, B48G and CCK series). Manufactured to meet OEM dimensions and electrical output, it restores spark reliability and is backed by a six-month warranty plus a 30-day return option. The unit fits across multiple OEM part numbers—166-0820, 166-0772, 166-0804 and others—so you can swap it in without changing mounting or wiring practices.

How will this ignition coil affect engine starting and throttle response?

Replacing a degraded coil often leads to quicker starts and steadier revving by delivering a consistent spark across cylinders. The YDO coil is wound and insulated to minimize energy loss and prevent misfires under load.

• Restores reliable spark energy across RPM ranges
• Reduces misfires caused by weak or intermittent ignition
• Improves cold starts and throttle transition consistency

Is this coil compatible with my Onan model and OEM part number?

The coil is designed as a direct replacement for multiple Onan model families and replaces common OEM part numbers listed by manufacturers. Check your current part number and engine model against the compatibility list to confirm a match.

• Compatible models include BF, BFA, BG, BGA, BGE, B43E/G/M, B48G, CCK series and N-series
• Replaces OEM numbers: 166-0820, 166-0772, 166-0804, 166-0648, 541-0522, HE166-0761 and similar
• Meets OEM dimensions so no modification to mounts or wiring is required

What are the construction and durability features of this replacement coil?

Built from quality magnetic core materials and rugged insulation, the coil resists heat and vibration common in generator and small-engine applications. The design emphasizes longevity to withstand repeated thermal cycles and mechanical stress.

• High-grade windings and core for consistent magnetic performance
• Durable epoxy and insulation to resist cracking and moisture ingress
• Robust terminals and mounting points for secure installation

What warranty and return options come with the YDO ignition coil?

YDO supports this replacement part with a straightforward warranty and return policy to make purchasing low-risk. If the coil fails under normal use within the warranty period, YDO offers replacement support.

• 30-day hassle-free returns if you’re not satisfied
• 6-month quality warranty with replacement for covered defects
• Customer support available for fitment and troubleshooting guidance

Who is this for? If you maintain Onan-powered equipment—generators, utility engines or small machines—this YDO ignition coil is meant for owners, field service technicians and repair shops needing a reliable, OEM-dimension replacement. It’s especially useful for those troubleshooting poor starts, intermittent misfires, or inconsistent engine performance who want a cost-effective part that matches the original’s form and function.