Pressure Washer Pump Head: Improve the performance of your pressure washer with premium pump head assembly . for AR43361 models, this pump head guarantees quality and optimal performance. Pump Head Assembly -This pressure washer pump head assembly is compatible with AR pump heads and RMW/SRMW axial cam pumps, including for Annovi Reverberi SRMW2.3G28 and SRMW2.4G28 model pumps. Product Details: Designed specifically for RMW/SRMW axial cam pumps, pressure washer pump head assembly includes all necessary components such as water seal, check valve, unloader valve, and chemical injector. Feature: Installation is easy and does not require professional mechanical knowledge. Simply remove the hose connector extension from the original part and easily connect it to the connector on the front base of the machine. Maximum pressure: 2800 PSI. Pressure Washer Pump Head: Improve the performance of your pressure washer with this premium pump head assembly replacement. Compatible with AR43361 models, this pump head guarantees superior quality and optimal performance. Pump Head Assembly -This pressure washer pump head assembly is compatible with AR pump heads and RMW/SRMW axial cam pumps, including for Annovi Reverberi SRMW2.3G28 and SRMW2.4G28 model pumps. Feature: Installation is easy and does not require professional mechanical knowledge. Simply remove the hose connector extension from the original part and easily connect it to the connector on the front base of the machine. Maximum pressure: 2800 PSI. Tip: This pressure washer pump assembly comes with a high-quality pressure relief valve, increasing safety and performance. The E-Z start valve, thermal release valve, and complete set of inlet/outlet pipes make it easy to maintain. Color: Silver Material: Metal Package Contents: 1 x Pressure Washer Pump Head Assy