Brand New 2nd source carbon vanes Set of 7 vanes repair Kit Suitable for KVT / DVT 2.140 / 3.140 BKR Pumps OEM P/N 901334 00007 (WN 124-031) Dimensions: Length- 240 mm, Height- 48 mm, Width- 4 mm Background info Each pump takes a quantity of four vanes. Preventative maintenance is imperative to allow your BKR vacuum pump to have a long service life. Having critical vacuum pump parts on your shelf, including vanes and filters, will prevent costly down time.