Doing an oil change for the first time, did I put the drain bolt back on correctly? The washer doesn't look completely flush and I'm afraid it will leak. : r/MechanicAdvice
To change or not to change, that is the question! - Bud's Auto Repair & Transmission
Sump Plug Washer, MX5 Mk2/3/3.5/3.75/4 – MX5 Parts
How to Buy an Oil Sump Drain Plug or Washer - do-it-up.com