FMSI > Transmission & Oil System > Fittings > Transmission/Oil Cooler Line Fittings > Item # 4232 FMSIFMSI Transmission & Oil SystemTransmission & Oil System FittingsFittings Transmission/Oil Cooler Line FittingsTransmission/Oil Cooler Line Fittings Item # 4232 Item # 4232, 3/8” GM Transmission/Oil Cooler Line Fitting (steel) 42323/8” GM Transmission/Oil Cooler Line Fitting (steel) Request Information Email This Page Download PDF Download PDF Printable Page /Asset/a1389.jpg /Asset/a1389.jpg Close Window General Application: GM 1993-2003 Female - 3/8" line inverted flare x 5/8" - 18 tube nut inMale - 9/16" - 18 Unit of Measure Imperial Metric Both Specifications Tube Size N/A 3/8" O.D. Line In Thread N/A 9/16" - 18 OEM N/A GM# 8684086 Dorman N/A 800-732 Packaging N/A SP)1) HP(1)