Coolant Level Sensor for Maruti Suzuki Swift — Price, Symptoms & Replacement Guide
Category: Cooling | Failure Severity: Medium | Replacement Cost in India: ₹800–₹3,000
What is the Coolant Level Sensor?
Monitors coolant level in the reservoir and alerts when it drops below a safe threshold.
How the Coolant Level Sensor Works
Uses float or electronic probes to detect coolant level and sends a signal to the ECU or dashboard warning system.
Why the Coolant Level Sensor is Important
Prevents engine overheating by ensuring sufficient coolant is always available.
Common Problems with the Coolant Level Sensor
- False low coolant warning
- Sensor failure
- Corrosion
Warning Symptoms of a Failing Coolant Level Sensor
- Coolant warning light ON
- Low coolant alert even when full
- No warning despite low coolant
Common Causes of Coolant Level Sensor Failure
- Sensor aging
- Coolant contamination
- Electrical faults
Impact on Car Performance
Risk of overheating if coolant loss goes undetected.
DIY Fix Guide — Step by Step
- Check coolant level manually
- Inspect sensor connector
- Clean or replace sensor
Maintenance Tips
- Regular coolant level checks
- Flush coolant periodically
Coolant Level Sensor Replacement Cost in India
Expect to pay between ₹800 and ₹3,000 for genuine parts plus labour at an authorised Maruti Suzuki workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Coolant Level Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Coolant Level Sensor listings.
When to Replace the Coolant Level Sensor
When false warnings appear or sensor fails to detect low coolant.