Overview Reviews Product Description Replaces factory oil cap on many GM LS engines. Check www.radiumauto.com for compatibility information. Plug can be removed and accessories can be added to convert the cap to a crankcase breather point. Product Videos Custom Field MPN 20-0539 Product Reviews Write a Review Write a Review × Radium Engineering Radium Engineering GM LS Oil Cap - 20-0539 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
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