The crankshaft seal should be replaced when performing the major 100,000k interval service.
We offer NOK Japan brand (as supplied by Mazda) OR Aftermarket brand
1 Required per car.
This seal is to suit the 1.6 SHORT NOSE crank which is found on 89-91 MX5's
It's hard to pinpoint the exact date of when Mazda switched to the long nose motor so it is best to look at the front harmonic balancer
4 notches (cutouts) in pulley = Short Nose
8 notches (cutouts) in pulley = Long Nose