The Alltrux ATX8040317P Index Switch replaces OEM 1MR3594M and is designed as a service replacement for heavy-duty truck electrical and control systems. This index switch is used to provide position or status signaling within vehicle control circuits, supporting reliable system communication and consistent operation in fleet and vocational environments.

Index switches play an important role in vehicle electrical systems by delivering accurate on/off or position-based signals to control modules and related components. As original switches wear electrically, develop internal contact issues, or fail due to vibration and environmental exposure, inconsistent signaling and system faults can occur. Replacing worn index switches helps restore proper circuit communication, improve system reliability, and reduce unplanned service events.

KEY FEATURES
• Designed for heavy-duty truck electrical and control circuit signaling applications
• Provides reliable position/status input for vehicle control systems
• Durable construction suited for fleet, vocational, and on-highway use
• Brand: Volvo
• Verify compatibility and application requirements before ordering

TECHNICAL SPECIFICATIONS
Alltrux Part Number: ATX8040317P
OEM Reference: 1MR3594M
Product Type: Index / Position Switch
Brand: Volvo
System Application: Heavy-Duty Truck Electrical & Control Systems

CROSS REFERENCES
1MR3594M

Note: Confirm OEM reference and application details before ordering to ensure proper fit and electrical system compatibility.