The Royal Enfield 570921/A Throttle Position Sensor (TPS) Assembly is an important throttle-position sensing component used in compatible Royal Enfield applications.
The TPS detects the position of the throttle and provides an electrical signal corresponding to throttle opening. This information is used by the engine control system for appropriate fuel and ignition management.
Royal Enfield parts catalogue data identifies 570921/A as “THROTTLE POSITION SENSOR (TPS) ASSEMBLY”and lists it within the UCD33 carburetor-related parts.
The same part number is also listed for Himalayan BSIII in current Royal Enfield parts listings.
Key Features
- Genuine Royal Enfield OEM spare part
- Part Number: 570921/A
- Description: Throttle Position Sensor (TPS) Assembly
- Monitors throttle position
- Provides throttle-position signal to the engine control system
- Designed for compatible Royal Enfield applications
- Suitable for replacement of a faulty or damaged TPS
- OEM replacement component
Compatibility
- Royal Enfield Bullet 500 BS3
- Royal Enfield Bullet 500 UCE with UCD33 carburetor
- Royal Enfield Himalayan BS3
Important: Confirm the existing TPS part number and carburetor/electrical configuration before ordering. Royal Enfield catalogue data places 570921/A alongside the UCD33 carburetor components, including the TPS O-ring 570922/A and TPS mounting screw 570924/A.
Application
Throttle Position Sensing / Carburetor / Engine Control System
Package Contents
- 1 × Royal Enfield 570921/A Throttle Position Sensor (TPS) Assembly









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