Part Number MT22 1237 having (CAGE Code 27188) and FSC 2530 Vehicular Brake, Steering, Axle, Wheel, and Track Components in stock with ready to ship. Get an instant quote for MT22 1237 Adjuster Slack Brake by Marmon Group Inc The. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.