Eaton /Fuller Transmission Splitter Valve FUL K-3331

Eaton Fuller K-3331 Splitter Valve Kit - Heavy-Duty Replacement for RTLO Series Transmissions

Product Overview

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

Product Features

• Manufactured to exact OEM specifications as Eaton's designated partner, ensuring perfect fit and performance
• Anodized aluminum alloy construction provides superior resistance to temperature, pressure (60 PSI), and corrosion for heavy-duty applications

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

• OEM Standard Quality by Designated Manufacturer
• Guaranteed Perfect Fit for Fuller RTLO Series Transmissions
• Durable Aluminum Alloy Construction, 60 PSI Rated
• Excellent Resistance to High Heat, Wear, and Corrosion
• Reliable Direct Replacement for Multiple Transmission Models

Product Description

• Engineered to OEM Standards
  This heavy-duty splitter valve kit is produced by a designated manufacturing partner for Eaton, designed as a direct replacement for RTLO series transmissions. This K-3331 kit adheres to stringent original equipment specifications, ensuring every unit delivers the fit, function, and durability your Eaton Fuller 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: 540 g (1.190 lbs)
• Unit Package Size: 10 x 8 x 7.8 cm
• Master Carton: 18 Pieces / 11 Kg
• Outer Carton Dimensions: 33 × 26 × 28 cm

Package Includes

• 1 x Splitter Valve
• 3 x Sealing Washer
• 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 the Eaton Fuller Splitter Valve Kit (Model FUL K3331). Engineered to the highest OEM 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.