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Home / Article / Tritenco Three-Valve Compatibility Guide — Direct Replacement for Eaton Heavy-duty Transmission Series

Tritenco Three-Valve Compatibility Guide — Direct Replacement for Eaton Heavy-duty Transmission Series

Date:2026-04-30
Tritenco A-5000 Slave Valve, K-3331 Splitter Valve, and A-4740 Air Filter Regulator are designed as direct OEM replacements for Eaton heavy-duty transmissions—no modifications or adjustments needed, install and go.

Coverage (Main Models)
  • A-5000 Slave Valve: Fits Eaton RT, RTO, RTX, Fuller 10/13/18-speed series (e.g., RT-11710B, RTO-16710B, RTX-18710B).
  • K-3331 Splitter Valve: Fits Eaton dual-H pneumatic 13/18-speed transmissions (e.g., RTO-13709, RTX-18918).
  • A-4740 Filter Regulator: Fits all Eaton transmissions with pneumatic auxiliary boxes, covering 10/13/18-speed lines.

Replacement Benefits

  • Direct Fit: Matches OEM dimensions, ports and circuits for plug-and-play installation.
  • OEM-Grade Quality: Micron precision, specialty seals and inspection deliver OEM-level durability.
  • Cost-Effective: 30–50% lower than OEM, reducing repair costs.
  • Warranty & Support: 12-month warranty with technical and installation assistance.


For repair shops and fleets alike, Tritenco valves resolve Eaton pneumatic issues fast, restoring smooth, reliable shifting.

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Zhuji Caiteng Machinery Manufacturing Co., Ltd.