Nilfisk Advance 56038942 by Nilfisk Advance OEM No reviews 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Contact Us For Pricing And Availability Description Description RING RETAINING--E.EXTERNAL Fits Nilfisk Advance 56038942 (alt # 56038942) Replaces Nilfisk Advance 56038942 Fits