K-3331 Splitter Valve Kit - Replacement for RTLO Series Transmissions, Replaces 3088-K-3331, 4300927, FUL K3331, NSFSK3331, S10291, A6862, Fits Trucks by Mack & Freightliner with Fuller Transmissions

K-3331 Splitter Valve Kit - Replacement for RTLO Series Transmissions,  Replaces 3088-K-3331, 4300927, FUL K3331, NSFSK3331, S10291, A6862, Fits Trucks by Mack & Freightliner with Fuller Transmissions

Product Overview

• Brand: Generic 
• Part Number: K-3331 (also compatible with FUL K3331, K3331B, A6862, etc.)
• Condition: New
• Compatibility: Compatible with transmissions in RTLO series and models 513s, 613s, 713s, 913s, 618s, 718s, 918s; *excludes RT/RTO-613/6613)

Product Features

• Manufactured to exact OEM specifications, ensuring perfect fit, form, and function for compatible transmissions.
• Anodized aluminum alloy construction provides superior resistance to temperature, pressure (60 PSI), and corrosion.

Customer Characteristics

• Professional fleet managers and technicians seeking genuine Eaton Fuller replacement parts who value OEM-level quality and reliable supply chain partnerships for critical transmission components.

5 Key Selling Points

• Precise Model Fit: Engineered specifically for RTLO/RTLOF series transmissions, including RTLO14718, RTLO16718, and RTLO18718 models, ensuring perfect match and performance.
• OEM-Grade Quality: Built to meet or exceed original equipment specifications, guaranteeing durability and reliable shifting under high-pressure conditions.
• Extensive Part Number Coverage: Directly replaces a wide range of part numbers, including 4300927, 3088-K-3331, NSFSK3331, and S10291.
• Complete Service Kit: A comprehensive all-in-one kit containing all necessary components, designed for a guaranteed, drop-in replacement.
• Universal Vehicle Integration: Ensures seamless integration into a wide spectrum of commercial vehicles, offering broad application coverage across fleets. 

Product Description

• Engineered to OEM Standards This heavy-duty splitter valve kit is engineered as a direct replacement for RTLO series transmissions. The K-3331 kit adheres to stringent original equipment specifications, ensuring every unit delivers the fit, function, and durability that your transmission requires.
• Built for Demanding Performance Precision-crafted from high-quality anodized aluminum alloy, this valve provides exceptional resistance to high temperatures, operating pressures up to 60 PSI, wear, and rust. The robust construction delivers reliable switching accuracy and smooth transmission operation, significantly reducing downtime in heavy-duty applications.
• Seamless Compatibility for Professional Repair Designed as an ideal solution for truck transmission repair, this kit guarantees compatibility with a wide range of commercial vehicles including models 513s, 613s, 713s, 913s, 618s, 718s, and 918s (Excludes RT/RTO-613, 6613). It's the optimal choice for professional rebuilds, repairs, and maintenance operations.

Technical Specifications

• Air Ports: 3x1/8-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
• Color/Finish: Natural Anodized
• Product weight: 547 g(1.190 lbs)
• Product Size (L×W×H): 10×9×7cm
• Unit Package Weight: 667g (1.47lbs)
• Unit Package Size (L×W×H): 12×10×9cm
• Package Quantity/ Weight: 18Pcs/ 12Kg
• Outer Carton Size (L×W×H): 33×27×27cm

Package Includes

• 1 x Splitter Valve
• 3 x Sealing O-ring
• 1 x Connector

Interchangeable Part Numbers

• Fuller: 4300927, 4304031, 4304032, A-6862, FUL-K3331, FURK3331, K-3329, K-3331, K3331B
• World American: A6862, 3088-K-3331
• Freightliner: FUL K3331
• Navistar: FULK-3331, NSFSK3331
• Timken: M13K-3331
• Genuine Newstar(S&S): S-10291, S10291, FUR-K-3331
• Mack: 3088-K-3331
• PAI: 900417

Recommended for Optimal Performance

• Elevate your heavy-duty transmission performance with this Splitter Valve Kit (Model K3331). Engineered to the highest standards, this robust kit features an advanced design that significantly reduces susceptibility to air system contaminants like compressor oils or dryer malfunctions. Its patented valves actuate with higher force to prevent sluggish shifts—especially during cold starts—while anodized components provide superior corrosion resistance. For a fully optimized system, we recommend pairing it with the OEM Eaton Fuller Slave Valve A-5000 and Air Filter Regulator Valve A-4740.