These are from Ford Motorcraft and OEM. The glow plugs are for the following applications: 1995-2003 Ford E-Series vans and Ford F-Series trucks with the 7.3 DI (direct injection) Powerstroke Turbo Diesel engine. This listing is for a set of eight (8) glow plugs. Shipping charges and options are based on your zip code and will show the amount in checkout.