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Product Details
Brand
AR North America
Model
AR42118
What Is it?
The AR42118 unloader kit is the OEM replacement unloader assembly for Annovi Reverberi RM‑Series pressure washer pumps. This kit includes the internal components required to restore proper pressure regulation and bypass function when the original unloader becomes worn, stuck, or inconsistent. It is the correct service kit for RMV, RMW, and RMX‑style pumps that use the AR42118 unloader design. Replacing a failing unloader helps recover lost pressure, prevents pressure spikes, and ensures smooth pump operation during trigger cycling.
Compatibility
Please verify compatibility before ordering. If you are unsure, send us a message and we will confirm or point you in the right direction. A model number is required and photos are highly encouraged.

Replies within 30 to 60 minutes during business hours Mon thru Fri, 8 AM to 5 PM EST
Why Buy From Us
One
Day Shipping
Cut off 8 AM EST / 5 AM PST
 Mon thru Fri
12 to 48
Hr Tracking
Tracking available within 12 to 48 hours of shipment
30
Day Returns
Hassle free with no restocking fees
Return Policy
Our goal is to make every transaction accurate, simple, and stress free.
  • Not satisfied? We will issue an RMA within 12 to 24 hours.
  • We sent the wrong or defective part? We cover return shipping and issue a full refund.
  • Wrong part ordered by mistake? You cover return shipping and we refund the full product price.
  • Items must be uninstalled and returned in original packaging.

Questions? Send us a message and we will be happy to help.

Monday thru Friday   8 AM to 5 PM EST   Fast replies guaranteed