Description
Product Overview
Part Name: Transmission Selector Valve / Shift Knob Selector Valve
Part Numbers: 1664797C1 / A6918
Vehicle Compatibility: Heavy-duty trucks fitted with Eaton Fuller RT/RTO/RTX 18-speed manual transmissions using selector valve reference A6918 / 1664797C1 (1998–2024). Commonly used across Freightliner, International, Volvo and Mack platforms where this 4-port selector valve is specified.
Configuration: 4-port selector valve assembly with OEM-style housing and air control passages designed to mount on the shift knob/selector system for 18-speed range/splitter operation.
Function: Regulates air actuation for range and splitter shifting, ensuring accurate high/low selection, smooth gear changes and reliable transmission response under heavy-duty operation.
Technical Specifications
Type: Transmission Selector Valve
Transmission Type: Eaton Fuller RT/RTO/RTX 18-Speed Manual
Material: Precision-machined valve body with sealed internal components
Application: Direct-fit replacement for Eaton Fuller 18-speed selector systems using A6918 / 1664797C1
Cross-Reference: A6918 / A5013 / 1664797C1
Installation: Fits the shift knob/selector assembly; professional installation recommended to confirm air line routing and correct operation
Service Interval: Replace when range/splitter shifting becomes inconsistent, air leaks occur or shift control faults are present
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 days internationally
Payment & Security
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