Yep, new inlet elbow, o ring and also y piece o rings should sort you out. Around 120 aud delivered from the uk. Easy to fit.
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LR014212 - Intake duct
LR008353 - Throttle body seal (large o-ring)
Won’t help. I’ve done that three times. Once you replace the elbow it will fix it. There is wear on that part plus generally small fractures in the plastic where the retaining clip is held in place. It’ll keep skewing and leaking as the mating point for the o-ring is barely past the chamfer.