Review on OEM 503660102 Oil Pump Plunger Piston For Husqvarna 50, 51, 55 & 55 Rancher Chainsaws (505317216 EPA) by Chris Hanson

When it comes to the OEM 503660102 Oil Pump Plunger Piston, there are some pros and cons to consider. On the positive side, this product fits well with the Husqvarna 50, 51, 55, and 55 Rancher chainsaws, and it meets EPA requirements. Moreover, it's made of high-quality materials, so you can expect it to last for a long time. However, there are also downsides to this product. While it may fit well, it doesn't work as effectively as expected. Some have reported that it doesn't pump oil as well as the original part, leading to chain and bar damage. Additionally, it can be difficult to install, especially if you're not experienced in replacing parts on your chainsaw. Overall, the OEM 503660102 Oil Pump Plunger Piston has its benefits and drawbacks. If you're in need of a replacement for your Husqvarna chainsaw, this may be a good option to consider. Just be aware of the potential issues and take extra care during installation.