Comments: Per the vendor this original dipstick is no longer available. For proper service replacement please refer to the following options. For GM engines prior to engine s/n 0.9L01126 order service kit JLG p/n 1001143636. For GM engines starting at engine s/n 0.9L01126 to 0.9L01240 and 0.9L01243 to present order service kit JLG p/n 1001143762