This fuel injector service component kit is designed specifically for the Ford/Siemens 4L3E-B4C fuel injector and includes the components needed to service one injector.
Each kit includes:
- 1 micro basket filter
- 1 top rim cap
- 1 upper O-ring
- 1 lower O-ring
The replacement micro filter helps protect the injector from contaminants, while the new O-rings restore proper sealing at the fuel rail and intake manifold. The top rim cap replaces a cracked, worn, or missing original cap.
Quantity: One complete component kit for one 4L3E-B4C fuel injector.
Fitment: Designed for the Ford/Siemens injector marked 4L3E-B4C. Please verify the part number on your original injector before ordering.
All orders are shipped within 1-2 business days from when payment is received.
Transit time varies based on service type requested:
First Class Mail: 3-7 business days
Priority Mail: 2-3 business days
Express Mail: 1-2 business days
Free Shipping options are generally First Class Mail.
For international shipments, make sure your address information is accurate. CS Performance assumes no liability once package leaves the United States. Please be sure your country is accepting packages from the US and you are aware of any duties or taxes your country may require upon package arrival.
Core Returns are completely optional and not required. When you order a set of fuel injectors from us, eligible part numbers will have a paper slip inside the shipping box. This paper slip will have all of the additional information regarding the return of your old cores for a varying price (depending on the part number you are looking to send in).
If your old cores are not eligible to be returned, you will not receive this paper slip within the shipping box, and no further action is required.
Thank you for your time and business, we appreciate it greatly!





