The most reasonably priced component used on the Cb1300 2008 (8) Australia / Two Left Rear Cover/water Pum P is the Bolt,flange,sh,6x25.
A sample from the products for the Left Rear Cover/water Pum P include: Dowel,pin,8x14, Gasket,water Pump, Gasket,slave Cyli (nas), Slave Cylinder As.
The Left Rear Cover/water Pum P assembly is constructed from several parts from which the Pump Assy,water is the most expensive.