- Additionally, market demand and supply dynamics play a role. If there is a high demand for power weeder oil seals due to peak farming seasons, prices might rise temporarily. Conversely, during off-seasons, you might find more competitive pricing.
If the seal is being fitted to original equipment you may have some influence over the shaft and housing bore finish, but if you are replacing a worn seal you still need to take into account the condition of these 2 essential parts. Check for sharp edges and burrs – particularly on the shaft and housing chamfers or you could ruin the seal before you start up. If the shaft is too worn consider using an M Barnwell Services Shaft Repair Kit.
- To replace the spark plugs, you'll need a spark plug socket, ratchet, and possibly a torque wrench to ensure the new plugs are tightened to the manufacturer's specifications. Start by locating the spark plug wires, which are usually connected to the top of the engine. Disconnect them one by one, making sure to label or remember their original positions to avoid confusion during reassembly.
In the automotive industry, spark plugs are essential for the proper functioning of internal combustion engines. Whether in gasoline or diesel engines, spark plugs play a crucial role in igniting the air-fuel mixture, initiating the combustion process that powers the vehicle. High-performance spark plugs designed for specific automotive applications can enhance engine performance, fuel efficiency, and emissions control, contributing to the overall reliability and longevity of the vehicle.

front valve cover gasket. Once the old gasket is removed, the new gasket can be installed and the valve cover reattached to the cylinder head.
Out-gassing
Polytetrafluoroethylene
Chemical resistant
Low coefficient of friction poor elastic properties not wear resistant if used by dynamic applications