Home / Lawn & Garden / Parts / Pressure Washer Pump Head A1111BGS Pressure Washer Pump Head A1111BGSPrice Not Available Price may not be up-to-date. Out of Stock View Product Part Number: A1111BGS Brand: GENERAC PORTABLE PROD. LLC Seller: Sears PartsDirect Categories: Lawn & Garden, Parts Possible Matches$7.99Sourcingmap 1111111111 Description This pump head (part number A1111BGS) is for pressure washers. Pump head A1111BGS fastens to the manifold. The pump head houses the check valves. Wear work gloves to protect your hands when installing this part.