26A81X-0106 Quick Release Valve, (1) 3/8 P.T. (2) 1/4 P.T (314815C91)

NYC 26A81X-0106 is a quick release valve used in a truck air brake valve circuit to speed up brake release by exhausting air quickly. It helps reduce lag at the brake chambers for more responsive operation. This part is commonly referenced as a 314815C91 quick release valve replacement.

NYC 26A81X-0106 is configured with one 3/8 P.T. valve port and two 1/4 P.T. valve ports. Typically, the supply line feeds the larger port and the delivery lines run from the two smaller ports, but you should confirm routing against your vehicle’s air system diagram. Using the correct fittings for the P.T. threads helps prevent leaks and ensures proper function of the quick release valve.

NYC 26A81X-0106 is listed as a 314815C91 quick release valve equivalent on this product page. To ensure a correct swap, match the port sizes, thread type (P.T.), and mounting/orientation to your existing truck air brake valve setup. If anything differs, verify with your truck’s VIN-specific parts lookup or a qualified air brake technician.