Tritenco K-3331 Splitter Valve Kit is an OE-equivalent direct replacement for Eaton Fuller RTLO series heavy-duty transmissions. Designed for precise fit, reliable performance, and long service life in commercial truck applications.
Product Overview
- Brand: Tritenco
- Part Number: K-3331 (also compatible with FUL K3331, K3331B, A6862, etc.)
- Condition: 100%New
- Compatibility: Fits Eaton Fuller RTLO/RTLOF series transmissions (513s, 613s, 713s, 913s, 618s, 718s, 918s).
*Does not fit RT/RTO-613 / 6613 models.
Compatible with Mack, Freightliner, and other heavy-duty trucks.
Interchangeable Part Numbers
- 4300927, 3088-K-3331, A6862, FUL K3331, NSFSK3331, S10291, M13K-3331
Key Features
- OE-Equivalent Quality: Built to meet or exceed OEM specifications for durability and consistent shifting
- Anodized Aluminum Construction: Resists high temperatures, 60 PSI operating pressure, and corrosion
- Direct Fit Design: Engineered for exact compatibility with RTLO series transmissions
- Complete Service Kit: All-in-one kit for drop-in replacement, reducing downtime
- Seamless Integration: Works across a wide range of commercial vehicles
Technical Specifications
- Air Ports: 3x 1/8-inch NPT (inlet/outlet/control)
- Mounting: 4x 5/16-inch-18 bolts (1-7/8-inch length)
- Operating Pressure: 60 PSI (0.4137 MPa)
- Material: Anodized aluminum alloy
- Weight: 547 g (1.190 lbs)
Package Includes
- 1 x Splitter Valve
- 3 x Sealing O-ring
- 1 x Connector
Compatibility Note
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This is an aftermarket replacement part. It is designed to be compatible with and replace genuine Eaton Fuller® and other OEM part numbers listed. All trademarks are property of their respective owners.
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Backed by Tritenco's precision manufacturing and IATF 16949 quality system, the K-3331 splitter valve delivers reliable performance for fleets, repair shops, and aftermarket distributors worldwide.
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For full system optimization, we recommend pairing it with the Tritenco A-5000 Slave Valve Assembly and A-4740 Air Filter Regulator Assembly.
Learn more about our Manufacturing capability
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As a professional manufacturer, we supply OE-quality transmission pneumatic control valves built to match exact OE performance, fit, and specifications. Our core products include the A-5000 Slave Valve, K-3331 Splitter Valve Kit, and A-4740 Air Filter Regulator, designed as direct replacements for Eaton Fuller heavy-duty transmissions.
We specialize in reliable aftermarket components, delivering consistent, long-lasting performance in demanding commercial vehicle applications. Our strength lies in end-to-end manufacturing expertise across the full product lifecycle:
- Process Engineering: Convert complex components into efficient, repeatable mass production processes.
- Key Process Optimization: Resolve critical production bottlenecks to ensure performance meets strict industry standards.
- Stable Mass Production: Establish reliable, tightly controlled production and quality systems for consistent output.
With this capability chain, we support high-volume, stable supply for customer assembly lines and aftermarket distribution, ensuring operational continuity and optimized cost efficiency.
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