FMSI > Transmission & Oil System > Power Steering & Transmission Repair Lines GM, Ford & Chrysler > Item # 4257 FMSIFMSI Transmission & Oil SystemTransmission & Oil System Power Steering & Transmission Repair Lines GM, Ford & ChryslerPower Steering & Transmission Repair Lines GM, Ford & Chrysler Item # 4257 Item # 4257, 3/8" x GM/Chrysler Transmission Flare to Swage Repair Line (3-3/4") 42573/8" x GM/Chrysler Transmission Flare to Swage Repair Line (3-3/4") Request Information Email This Page Download PDF Download PDF Printable Page /Asset/4257.png /Asset/4257.png Close Window - Use with 3/8" transmission/oil cooler fitting part#s 4208, 4209,4210, 4233, 4239, 4241, 4245, 4255, 4256, 4249, 4262, 4263, 4264, 4265, 4266, 4267 Unit of Measure Imperial Metric Both Specifications Tube Size N/A 3/8" Length N/A 3-3/4" Flare N/A Transmission Packaging N/A SP(1) HP(1)