Description
Product Overview
The HWATPS Transmission Speed Sensor is a modern electronic component engineered for Hyundai vehicles. Measuring 3.54 x 3.15 x 1.97 inches and weighing just 60 grams, it features a sturdy flange‑mount design that simplifies installation. Constructed from high‑quality materials, the sensor delivers precise speed data to the vehicle’s ECU, supporting smooth gear shifts and optimal engine performance. It matches OEM part numbers 42620‑39051 and 42621‑39052, ensuring a perfect fit for ELANTRA, TUCSON and SONATA models.
Usage
This sensor is ideal for drivers seeking reliable transmission monitoring in daily commuting, long‑distance travel, or performance driving. Its electronic output integrates seamlessly with factory systems, providing accurate RPM readings for both automatic and manual transmissions. 
Why Choose Us
HWATPS guarantees rigorous testing for durability, reliability and performance. Each unit undergoes quality checks to meet automotive standards, offering long‑term stability even under harsh conditions. Our direct‑replace design eliminates the need for modifications, reducing installation time and cost. Customer support is available for compatibility verification and technical assistance.
Key Features
- Exact OEM fit for Hyundai ELANTRA, TUCSON and SONATA
- Compact electronic flange‑mount design for easy installation
- Accurate RPM data transmission to improve shift quality
- Durable construction tested for long‑term reliability
- Direct replacement eliminates need for additional adapters
FAQ
Is this sensor compatible with my 2019 Hyundai Elantra?
Yes, the sensor matches part numbers 42620‑39051 and 42621‑39052, which are used in 2019 Elantra models.
Do I need any special tools to install the sensor?
No special tools are required; the flange‑mount design allows a bolt‑on installation using standard socket wrenches.
Will this sensor affect my vehicle’s warranty?
As a direct OEM replacement, installing the HWATPS sensor does not void the vehicle’s warranty when installed correctly.
What is the expected lifespan of this sensor?
Built with high‑grade materials, the sensor is designed to last the typical service life of the transmission, often exceeding 100,000 miles.
Can I use this sensor on other Hyundai models?
The sensor is specifically calibrated for ELANTRA, TUCSON and SONATA. For other models, please verify the part number compatibility before purchase.




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