BWD S4139 Air Brake Pressure Switch

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• Kem PS381
• ACDelco 19106674
• ACDelco U8000
• General Motors 19106674
• International Harvester (IHC) 471873C2
• International Harvester (IHC) 505027C1
• Airtex 1S6605
• Standard Ignition PS-142
• Wells PS184
• CARQUEST Premium By WELLS 53-11300
• CARQUEST Premium By WELLS 5311300
• Standard Ignition PS142
• Echlin OP6709
• Duralast PS184

• All units are 100% tested using automated equipment that activates the switch, checks for leaks and stresses the part to ensure specification compliance, even under the most demanding operating conditions.
• BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
• In manufacturing, we utilize a laser etching system to calibrate thick film printed circuits. This method provides for high accuracy reading of actual oil pressure in vehicle's engine.
• Robust design and high grade materials meet the stringent demands of today's service professional