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Tritenco Three-Valve Compatibility Guide — Direct Replacement for Eaton Heavy-duty Transmission Series
Tritenco three-valve compatibility covers the A‑5000, K‑3331 and A‑4740 pneumatic valves as direct OEM replacements for Eaton heavy‑duty transmissions. These valves fit perfectly without modifications or adjustments, allowing for simple plug‑and‑play installation.
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 quick installation.
- OEM‑Grade Quality: Micron precision, specialty seals and full inspection ensure long durability.
- Cost‑Effective: 30–50% lower than OEM parts to reduce fleet repair expenses.
- Warranty & Support: 12‑month warranty with professional technical assistance.
For repair shops and fleets alike, Tritenco valves resolve Eaton pneumatic issues fast and restore smooth, reliable shifting performance.
Tritenco valves are designed to meet or exceed OEM specifications, ensuring a perfect fit for your heavy-duty transmission.









