THESE ARE SOLD EACH SO FOR A 3 CYLINDER ENGINE ORDER 3 A 4 CYLINDER ORDER 4 AN SO ON GLOW PLUG MAZDA FORD TRADER 23V 4.1L T4100 ZB 0811 Trader 0409, 0509 01/79 12/84 3.0L HA Trader 0711 01/81 12/84 4.1L ZB OHV 12V T3000, T4100 01/81 12/91 3.0L 4.1L HA ZB 6 CYLINDER CH123 PZ31 PZ-31 Y-157R Y157R SE0118140A GPM503 GPM-503
Plug Specifications - Battery Voltage System - 24 volt Plug Voltage - 23 volt Super Quick Type - 15 seconds heat time to 800 degrees Celcius
Cross - Reference Numbers BOSCH - GPM503 HKT - PZ31 Mazda - SE01-18-140A