Built for scheduled service on Blackmer’s 4-inch LPG pumps, the 898922 kit covers the TLGLF4B truck pump and the LGLD4B and LGL4B models. It includes six Duravane vanes and two complete mechanical seal assemblies, each with a hardened steel stationary seat, carbon seal face, and Buna-N O-rings. Two ball bearings with lockwashers, push rods, and grease seals are also included. Bearing cover gaskets, head O-rings, a relief valve spring and O-rings, and a shaft key complete the kit. Vanes can be replaced without removing the pump from the piping system.
Technical Specs
- Compatible Pump Models: TLGLF4B, LGLD4B, LGL4B
- Pump Size: 4 inches
- Vanes: Duravane (6)
- Mechanical Seal: Hardened steel seat, carbon face, Buna-N O-rings (2 assemblies)
- Bearings: Ball bearings (2)



