Overflow Tank for Maruti Suzuki Swift — Price, Symptoms & Replacement Guide
Category: Cooling | Failure Severity: Medium | Replacement Cost in India: ₹800–₹3,000
What is the Overflow Tank?
Collects excess coolant pushed out from the radiator due to pressure buildup.
How the Overflow Tank Works
Receives overflow coolant and returns it when pressure drops.
Why the Overflow Tank is Important
Prevents coolant wastage and maintains pressure stability.
Common Problems with the Overflow Tank
- Cracks
- Overflow leakage
- Blocked return line
Warning Symptoms of a Failing Overflow Tank
- Coolant loss
- Engine overheating
- Coolant smell
Common Causes of Overflow Tank Failure
- Heat damage
- Aging plastic
- Pressure imbalance
Impact on Car Performance
Cooling inefficiency and overheating risk.
DIY Fix Guide — Step by Step
- Inspect tank
- Check hoses
- Replace if leaking
Maintenance Tips
- Monitor coolant level
- Inspect for cracks
- Keep hoses clean
Overflow Tank 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 Overflow Tank Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Overflow Tank listings.
When to Replace the Overflow Tank
When leaks or cracks appear.