World American K3331 Transmissions Splitter Valve for Eaton Fuller RTLO Series – Replaces Mack 3088-K-3331 Fuller Transmissions 4300927 4304031 Freightliner FUL K3331 Navistar NSFSK3331 Newstar S10291

Short Summary: The World American K3331 Splitter Valve Kit is engineered as a high-quality replacement for Eaton Fuller RTLO and RTLOF Series transmissions. Designed for compatibility with various 18-speed auxiliary section models, it ensures precise performance in splitter shift control applications.Key FeaturesPart Type: Splitter Valve Kit for HD Manual Transmission Auxiliary SectionsCompatible Models: RTLO14718, RTLO16718, RTLO18718, RTLOF14718B, RTLOF16718B, RTLOF18718BThread Type: N/A – Plug-and-play transmission valve assemblyMaterial & Design: Heavy-duty valve designed to match OEM performance and fitKit Includes: 1 Splitter Valve Kit for auxiliary section splitter controlReplaces OEM & Aftermarket Part NumbersMack: 3088-K-3331Fuller Transmissions: 4300927, 4304031, 4304032, A-6862, FUL-K3331, FUR-K-3331, FURK3331, K-3329, K-3331, K3331BWorld American: A6862Freightliner: FUL K3331Navistar: FULK-3331, NSFSK3331Genuine Newstar: S-10291, S10291Timken: M13K-3331Warranty & Quality Assurance World American parts are trusted throughout the commercial vehicle industry for durability and performance. The K3331 Splitter Valve Kit is backed by World American’s quality guarantee, ensuring a direct fit and reliable operation in Eaton Fuller auxiliary transmission sections.

• Compatible with Eaton Fuller RTLO/RTLOF transmission models including RTLO14718, RTLO16718, RTLO18718, RTLOF14718B, RTLOF16718B, and RTLOF18718B configurations.
• High-quality construction ensures long-term reliability and consistent shifting control in demanding heavy-duty transmission applications.
• Direct replacement for OEM splitter valve part numbers including Fuller 4300927, A-6862, K-3331, and Timken M13K-3331.
• Kit includes everything needed for service or replacement of the auxiliary splitter valve in HD manual transmissions.
• Crosses with OE and aftermarket part numbers from Mack, Navistar, Freightliner, Newstar, Automann, and others for broad compatibility.