Hey guys, so I have been buying aftermarket parts for my truck for a while and I think that I have a pretty good understanding in their pros and cons.

Pros
1. Aftermarket parts can often be cheaper than OEM parts, making them more cost-effective.
2. Aftermarket parts can be more easily customized to meet the specific needs of a truck.
3. Aftermarket parts can improve the performance of a truck.

Cons
1. Aftermarket parts can be of questionable quality and might not last as long as OEM parts.
2. Aftermarket parts might not fit the truck properly and may require modification or additional components.
3. Aftermarket parts can void the warranty on a truck and can cause additional costs for service and repair.

Here's a good provider of aftermarket parts for heavy duty trucks.