Mack 184QS39301A Cab Latch PAI 3966CROSS REFERENCE: 184QS39301A 184QS39301 25158598 APPLICATION: Mack MC MR Multiple Use Application. BRAND: PAI 3966 Mack 184QS39301A Cab Latch PAI 3966. Replacement truck parts and aftermarket truck parts. Controls latch engagement and ensures secure cab attachment. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over 50 years of experience in the heavy duty truck parts industry. This