The Industrial 2Z499 Cast Iron Air Compressor Pump is a 2 HP, two-cylinder, single-stage cast-iron pump built as a direct-fit replacement for Campbell Hausfeld VT4823 and other VT-series air compressors. It is marketed specifically as a replacement pump for worn or failed original units and is listed in catalogs as the 2Z499 option for Campbell Hausfeld VT4823, with cross-brand compatibility to Speedaire models such as 2Z499 and 2Z630. The pump features two cylinders and a cast-iron block, underscoring durability for shop use. Marketplace listings describe it as limited quantity.
