Omix proudly offers all the parts you need to keep your WillysJeep running like new with quality standards that always meet or exceed those of the factory part. This replacement thermostat gasket fits 41 - 45 MB GPW, 45 - 49 CJ2A, 48 - 53 CJ3A and 50 - 52 M38 models equipped with 134 cubic in. L - head engines. For replacement 180 - degree thermostat, use 17106.02. For replacement 160 - degree thermostat, use 17106.01. Replaces OE 639650