Thermostat o-ring

I finally picked up my thermostat from the Honda dealer and hope to change it out shortly along with a coolant flush. The thermostat did not come with an o-ring and I'm kinda peeved they parts guy didn't mention there was one needed for it (another few more days of waiting.) So I'm hoping I can pick one up locally at a auto parts place as a generic o-ring. As far as I can tell it's a 54 x 2 o-ring - does that seem correct? Anything unusually specially about it - should anything comparably sized from a parts place work?

P/N 91307-MB0-003, O-RING, 54x2 (ARAI)

Go to any auto parts store and ask for an o-ring for a 1980 Honda Civic with the 1.5 motor

tmds3 said:

Go to any auto parts store and ask for an o-ring for a 1980 Honda Civic with the 1.5 motor

Click to expand...

Will do - thank-you!
Update: local NAPA will have it this afternoon.

Too late now, but maybe next time : Get a Stant 13868 thermostat. Much less than the OEM.

Ah - well live and learn. I will say the new one is stainless steel and seems of very high quality. NAPA had the o-ring for the 1980 Civic for under $2.