Is a 796112 the same as rj19lm?

No, a 796112 is not the same as an RJ19LM. The 796112 is a specific part number for a spark plug, while RJ19LM refers to a type of spark plug designation that indicates its specifications, such as heat range and thread size. Although they may serve similar purposes in certain engines, they are not interchangeable without checking compatibility. Always consult the manufacturer's specifications for your engine to ensure the correct spark plug is used.