Name: Exhaust Lambda O2 Oxygen Sensor Hyosung GT250RC GT650RC GV650 ST7 GV250 GD250
SKU: 37950H99D02JS-GT250RC
Availability: InStock

Description

Exhaust Lambda O2 Oxygen Sensor – Hyosung GT250 / GT250RC / GT650RC / GV250 / GV650 / ST7 (GV700i)

📦 What’s Included?
This listing is for 1x Oxygen Sensor (Lambda Probe) for various Delphi-injected Hyosung models (2012–2020). Some bikes have a single sensor on the rear pipe, while others (e.g., GT650R) use 2 sensors (front + rear).
⚠ Need both? Add 2x sensors to your cart.

🕒 Delivery & Special Order Info:
This is a special order item, taking 5–8 working days for UK delivery.
We thank you for your patience – many customers receive their sensors earlier than expected.
✈ Worldwide shipping is available – contact us for a quick quote.

⚠ Compatibility Warning (Important):

Hyosung changed sensor sizes and connectors between 2008–2020, so you must confirm your existing sensor matches this replacement before ordering.

Fits: GT250, GT250RC, GT650, GT650RC, GV250, GV650, ST7 (GV700i).
ECU: Designed for Delphi ECU models only (2012+).
❌ Does NOT fit Sentec ECU models.
Daewoo ECU: Hit & miss – some connectors differ.
Older exhausts: May have larger sensor holes – verify thread size.
No Returns: Due to the nature of electrical parts, returns are not accepted once the sensor is shipped.

If you’re unsure, send us an email with photos – we’re happy to confirm compatibility.

🛠 Why Replace Your O2 Sensor?
A faulty or damaged sensor (often caused by exhaust changes or rust) can lead to:

Poor fueling or rough running.
ECU error codes.
Increased fuel consumption.
Replacing it restores correct air/fuel ratio readings for smooth engine performance.

OEM Part Numbers: 37950H99D00, 37950H99D01, 37950H99D02, 37950H99D02JS.

💬 Questions? Email us or visit the Community Forums for expert help.