Product Overview The Crankshaft Gear with OEM numbers 8-94394342-4 / 8943943424 is a verified direct-fit replacement for ISUZU LT132, FSR, FTR, FVR, and 700P trucks equipped with 6HE1T, 4HK1-TCS, 6HK1, and 6HH1 diesel engines. This gear (GEAR; CR/SHF) is the crankshaft timing gear, installed at the ...