This NOS Haldex Midland Meritor RKN18530 air governor is a must-have for any commercial truck owner. It is compatible with Caterpillar 4N-9680 and Mack 20QE322 models, among others. The brand is known for its quality and reliability, making this part a great investment for any truck.t. With Bendix and Midland reference part numbers, you can be confident that this part will fit and function perfectly.

         I used AI for the description, cleaning out my storage container, getting rid off anything I do not need

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                                           Bob Featherly