HSN code for Coolant — 3820 · GST 18%

Coolant is billed under HSN 3820, which covers anti-freezing preparations and prepared de-icing fluids. Under GST 2.0 the rate is 18%.

Also called: radiator coolant, anti-freeze, antifreeze

GST on coolant

GST rate
18%
Within your state
CGST 9% + SGST/UTGST 9%
To another state
IGST 18%

Example invoice line

Coolant 1 LHSN 3820
1 pcs × ₹350.00₹350.00
CGST 9%₹31.50
SGST 9%₹31.50
Total₹413.00

Selling to another state: IGST 18% (₹63.00) replaces CGST and SGST.

What HSN 3820 covers

Anti-freezing preparations and prepared de-icing fluids

Radiator coolant and anti-freeze.

Questions about coolant

What is the HSN code for coolant?

Coolant is classified under HSN 3820: Anti-freezing preparations and prepared de-icing fluids.

What is the GST rate on coolant?

18% under GST 2.0, in force since 22 September 2025. Within your state that is 9% CGST plus 9% SGST (or UTGST); to a buyer in another state it is 18% IGST.

How many digits of the HSN code go on the invoice?

If your aggregate turnover in the previous financial year was up to ₹5 crore, print at least 4 digits (3820) on B2B tax invoices; on B2C invoices it is optional. Above ₹5 crore, print 6 digits (the 6-digit code for your exact product) on every invoice.

All HSN codes · SAC codes for services

Bill with the right HSN automatically — start free

Save coolant once with HSN 3820 and its rate, and InDhanPay Books puts the right code and the CGST/SGST or IGST split on every bill after that.

See also: billing software for petrol pumps.