With a quantity of four pieces, the Nut, Spring, 4mm is the most used part in the COMBINATION METER diagram.
The most reasonably priced component used on the Civic 1993 (p) 4dr Lx (ka,kl) Combination Meter is the Screw,tapping,4x16.
Some items from this specific schematic: Speed Sensor Assy, Screw,tapping,4x16, Nut, Spring, 4mm, Speed Sensor Assy.
