In the world of heavy-equipment maintenance, one of the most crucial decisions you’ll face is whether to go with original equipment manufacturer (OEM)  parts or cheaper aftermarket  alternatives. For those working with excavators — especially contractors, fleet owners, and maintenance teams in South Africa — this isn’t just a theoretical debate. It’s a decision that impacts downtime, reliability, costs, and ultimately profitability. In this post, we’ll dig deep into why OEM e