Collection: Auto - Manual Trans Top Gasket

Stop transmission fluid seepage and protect your shift mechanism with our selection of Auto Manual Trans Top Gasketcomponents. At DIY Customs, we provide high-durability replacement top cover gaskets, specialized shift tower base seals, durable inspection plate gaskets, and heavy-duty housing seals designed for a perfect fit. Whether you are performing a routine fluid change and inspection, replacing a leaking top cover gasket to keep your driveway clean, or resealing a gearbox during a shifter upgrade, our professional-grade hardware offers the oil resistance and thermal stability you need at unbeatable prices. From specialized shift rail gaskets to direct-fit top seals for popular Tremec, NV, and BorgWarner transmissions, we carry the essential gear for every manual shift project. Don't see the specific bolt pattern, gasket material, or specialized top seal for your transmission? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!