GST invoice format for a lubricant dealer (engine oil distributor)
A lubricant dealer sells engine oils, gear oils and greases that fall mostly under HSN 2710 and 3403, both at 18%, along with brake fluid under 3819 and coolant under 3820, also at 18%. The invoice must show the grade and viscosity, API or OEM specification, pack size in litres, batch number and manufacturing date. Petrol pumps that sell lubricants must bill them on GST invoices even though fuel itself is outside GST, and should keep the two kinds of sales clearly separated.
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Sample prices are illustrative. Check the GST rate for your exact item or service before billing.
Extra fields a lubricant dealer invoice needs
Grade and viscosity
A 15W-40 diesel engine oil and a 5W-30 petrol engine oil are different products. Printing the grade avoids wrong supply and supports warranty claims from vehicle owners.
Specification (API, JASO, OEM approval)
Fleet buyers and garages must use oils meeting the engine manufacturer's specification. Mentioning it on the invoice is evidence that the right product was supplied.
Pack size and number of packs
Oils sell in 1 litre bottles, 3.5 litre cans, 20 litre buckets and 210 litre barrels. Showing pack and count with total litres makes stock and price checks easy.
Batch number and month of manufacture
Lubricants are traced by batch. Recording it on the bill helps with quality complaints and stock rotation, especially for slow-moving grades.
Ship-to address for garage deliveries
Distributors deliver to many workshops. A ship-to address separate from bill-to helps when the head office pays but the workshop receives the oil.
Scheme or quantity discount
Oil companies run schemes for garages and fleets. Show discounts as lines on the invoice when given at the time of supply so the taxable value is correctly reduced.
Standard GST invoice fields
Rule 46 of the CGST Rules applies to every tax invoice, including this one:
✓Supplier name, address and GSTIN
✓Consecutive invoice number (max 16 characters, unique for the year)
Lubricating oils are taxable even though fuel is not
Petrol, diesel and ATF are outside GST, but lubricating oils and preparations are not. Notification 9/2025-CT(Rate) lists petroleum oils of heading 2710, other than the specified fuels, and lubricating preparations of heading 3403 in the 18% schedule. A lubricant dealer is therefore a normal GST supplier with full credit on purchases. The rate did not change in the 2025 rationalisation, so the main task is to classify each product correctly.
Petrol pumps and the common credit problem
A fuel station selling both petrol and lubricants makes non-GST supplies of fuel and taxable supplies of lubricants. Credit on common inputs such as the canopy, electricity bills or accounting software must be apportioned under rule 42, because only the share used for taxable lubricants is eligible. Keep separate invoice series for lubricant sales and keep lubricant stock records apart from fuel stock to support this.
Brake fluids and coolants are separate headings
Hydraulic brake fluids fall under 3819 and anti-freezing preparations and coolants under 3820. Both are in the 18% schedule. They are often sold beside engine oils, but billing them as 'lubricants' under 2710 gives the wrong HSN in returns. The rate may be the same, yet HSN summaries in GSTR-1 must reflect the right heading, especially for dealers above the threshold for six-digit HSN reporting.
E-way bills for barrels and bulk loads
A truckload of 210 litre barrels easily exceeds ₹50,000 in value, so it needs an e-way bill. Dealers supplying several garages on one route can use one vehicle with multiple e-way bills, or a consolidated e-way bill. Small counter sales to walk-in customers do not need one, but a single delivery of several buckets to a workshop may.
Used oil buy-back
Some dealers collect used oil from garages for re-refiners. Used oil is a hazardous waste with its own rules, and its sale by the dealer to an authorised re-refiner is a taxable supply. Keep a separate HSN and invoice series for waste oil so it is not confused with fresh lubricant sales.
Common billing mistakes
✕Treating lubricants sold at a petrol pump as non-GST goods along with petrol and diesel.
✕Billing brake fluid and coolant under HSN 2710 instead of 3819 and 3820.
✕Claiming full credit on common petrol pump expenses without reversing the share related to fuel sales.
✕Showing only total litres without pack sizes, causing disputes with garages over short supply.
Lubricant Dealer GST invoice: FAQ
What is the GST rate on engine oil?
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Engine oil and other lubricating oils under HSN 2710 attract 18% GST. Lubricating preparations under 3403, such as greases, are also at 18%. These rates were not changed in the September 2025 rationalisation.
Is GST charged on lubricants sold at petrol pumps?
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Yes. Petrol and diesel are outside GST, but lubricants are taxable goods. A petrol pump selling lubricants must be registered when it crosses the threshold and must issue GST invoices for lubricant sales.
Which HSN should be used for grease?
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Lubricating greases based on petroleum oils may fall under 2710, while lubricating preparations not based mainly on petroleum oils fall under 3403. Check the product composition and the manufacturer's HSN on the purchase invoice.
Do lubricant invoices need batch numbers?
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GST law does not require batch numbers, but oil companies, fleets and garages use them for quality tracing and warranty. Printing them on the invoice is good practice in this trade.
Can a lubricant distributor give free bottles under a scheme?
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A free bottle given with a purchase, such as one litre free with a bucket, is usually part of a single price for the bundle. Show it as a zero-value line on the invoice and record the stock movement, so the free goods are not treated as an unrecorded supply.