Author: staff@jalopnik.com (Abhik Das)

Hrach Hovhannisyan/Shutterstock The 5.9-liter Cummins is diesel royalty. It’s the rationale 1000’s of Ram trucks from the late ’90s and early 2000s are still climbing hills, pulling trailers, and terrifying Priuses within the fast lane. But here’s the thing — not every 5.9 is price your money. For those who’re eyeing a 5.9-powered Ram built between 1999 and 2001, pump the brakes. You is likely to be gazing the infamous “53 block” — a factory-cast engine block with a known flaw — under stress (read: doing diesel things), they’re susceptible to cracking. Coolant starts leaking, temps go haywire, and also…