Fuel Injector service kit for Toyota 3.4L V6 fuel injectors, 5VZFE engine. Will fit 1999 2000 2001 2002 2003 2004 Tacoma, Tundra and 4Runner models with 3.4L V6. Kit contains all parts as shown in picture below. The only way to clean the discharge holes on these injectors is to remove the pintle caps to gain access. It is difficult to remove the old pintle caps without breaking or damaging them. This service kit contains new pintle caps. Both style of Micro Basket Filters are included. Some model year 3.4L fuel injectors used the long style filter and others the short style. The filters are lightly pressed into the top of the injector. They sometimes clog after many years of service. All o-rings are Viton material which can withstand temperatures over 500 degrees fahrenheit and has excellent resistance to solvents and oils. Viton o-rings are the only type of o-ring you should use for automotive fuel injector applications. Fuel injector shown in picture is for illustrative purposes only and is not included in the sale. Free shipping within the United States. Worldwide shipping is $9.00. Paypal accepted. Kit contains: 6 – Upper o-rings 6 – Lower o-rings 6 – Pintle caps 12 – Micro basket filters (6 of each style) 6 – Lower Grommet/Seals