Here's the parts manual.
But the part you are looking for is:
Holder D1446316
& also as slim said also order these two also.
Guide Position Front D1446318
Guide Position Rear D1446319
https://mega.nz/#!cEU3UCgD!b2jCs-EXmvd592yINyp0hrH1egOXFXqLdI0ymt5MhQ0
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