You can choose the Sealants you need, whether you are reassembling your headlights or adding engine components to your 1982-2000 Chevy/GMC 6.2L/6.5L Diesel. These RTVs can resists high temperatures since they are manufactured with Silicone. We have headlight specific, all-purpose, and automotive grade products. At XDP, you can find products from manufacturers like Ford Motorcraft, ACDelco, MAHLE, Oracle, and DEI.