Industry News Sonnax GM 6L45-6L90 Pump Vane The pump vane is a replacement for rebuilding pump rotors. Advertisement ByTransmission Digest on October 15, 2020 The Sonnax pump vane (p/n 76742) is a quality replacement for rebuilding GM 6L45, 6L50, 6L80, and 6L90 pump rotors. It’s a cost-effective alternative to replacing the entire pump rotor assembly.AdvertisementClick Here to Read MoreAdvertisement Learn more at www.sonnax.com. Advertisement In this article:6L50, 6L80, 6L90, GM 6L45, Sonnax Industry News: ASE Makes More Tests Available in Spanish Industry News: Pressure Checker, Bearing Installer Tool For 6L80/6L90 12-3-4/3-5 Reverse Drum Industry News: Q&A With Transtar’s Neil Sethi, Chip Chaikin Of Blue Point Industry News: Toyota/Lexus U660E/F, U760E/F Oversized C2 Apply Control Valve Kit Advertisement WEBINARS Watch a webinar for free on-demand! E-MAGAZINE Read the most recent edition of Transmission Digest. SUBSCRIBE Stay up to date by signing up for Transmission Digest newsletters.