Steering Rack part number help

Hello All, I am hoping somebody can help me.



I have a leaky PAS pump and have bought a replacement but my steering rack is knocking as well so I am assuming that it needs replacing.



I have had a look but can't locate the model number of the rack.... can somebody help me find it? I am assuming it should be visible from top side of the engine bay?



thanks



-Tom



P.S. I forgot I've got a 2003 L Series.

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