Introductions: The traditional ignition system is mainly composed of a power supply, an ignition switch, an ignition coil, a distributor, a spark plug, etc. It is the basic element that transforms the low-voltage electricity of the power supply into high-voltage electricity. Commonly used ignition coils are divided into two types: open magnetic circuit ignition coil and closed magnetic circuit ignition coil. Feature: Condition: Brand New Warranty: 1 YearSpecification: for Onan Ignition Coil for Points Models Engines 166-0772 BF B43 B48 NHC CCK Features: Solid construction 100% Brand New and High Quality Aftermarket directreplacement forOnan Ignition Coil for Point Model Engines. 2 Years Warranty for any manufacturing defect Condition: Brand new Package Included: 1 Set Ignition Coil as picture shows Fits: 316 - Must have the P218G engine Serial numbers 420,001 to 999,000 & Serial numbers 10,001 to 120,000 317 - Must have the replacement for Onan P218G engine in the tractor No serial number range is affected, you must check your engine model. If you have the engine for Kohler in your 317, this coil will not work. 318 - Must have the P218G engine Serial numbers 420,001 to 999,000 & Serial numbers 10,001 to 120,000 420 - Must have the P220G engine Serial numbers 420,001 and above.Package Includes: 1x Ignition Coilpacks Code:MGGRP Authority IDMXR02FXSY NoticeCalifornia Prop 65 Warning NoticeCalifornia Prop 65 Warning Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.