The Bomag 05542319 Reducing Union is a genuine OEM component designed for Bomag tandem rollers and cold milling machines, including the BW 120 AD, BW 100 AC-3, BW 120 AC-3, BW 125 ACH, BW 135 AC, BW 138 AC, BW 80 ADS, BW 90 AC-2, BM 500/15 Stage V, BM 600/15 Stage V, BM 500/15-2, BM2000/65 Stage V, and BM 600/15-2. Sourced directly from Bomag, this reducing union carries the same part number 05542319 used in the original factory build, ensuring a direct, like-for-like replacement. Correct fitment is critical in hydraulic and fluid-line systems, and this OEM part delivers exactly that across a broad range of Bomag equipment.
Key Features
- Genuine OEM Fluid-Line Integrity — manufactured to Bomag's own thread and bore specifications, ensuring leak-free connections in pressurized hydraulic and fluid circuits
- Direct Drop-In Replacement — matches the original installation geometry so this reducing union seats and seals correctly without rework or adaptation
- Broad Bomag Coverage — fits BW-series tandem rollers including the BW 80 ADS, BW 90 AC-2, BW 100 AC-3, BW 120 AD, BW 120 AC-3, BW 125 ACH, BW 135 AC, and BW 138 AC, as well as BM-series cold milling machines including the BM 500/15-2, BM 500/15 Stage V, BM 600/15-2, BM 600/15 Stage V, and BM2000/65 Stage V
- Pressure-System Reliability — a worn or damaged reducing union can cause fluid leaks, pressure loss, and erratic system behavior; replacing it with a correctly rated OEM part restores stable system pressure and