2.2crd injectors

hi new here but wanted to ask if any one knows of replacement fuel injectors for the 2.2crd that dont cost an arm and a leg the part number 05137257AA because i have been looking a round for themas i think one or more of mine are going as the car chuggs when i start it not every time but often enough and this is where i think the problem llies on less anyone else has had the same problem but found it was caused by something else i hope and look forward to any and all suggestions thanks

Before you spend on new injectors find out where you can get the existing ones cleaned.
I have had injectors cleaned before and they are like new when they come back.