Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners) is classified under HSN heading 8409 (Parts suitable for use solely or principally with the engines of heading 8407…). GST as on 1 November 2026: 18%. On B2B invoices, write at least 4 digits of the code (6 digits on every invoice if last year's turnover was above ₹5 crore).
Rates checked on 1 November 2026 · BooksOn HSN dataset v9, compiled from CBIC notifications
Look up any HSN or SAC code and its GST rate on any date since 1 July 2017, with the CBIC notification — in the free BooksOn HSN app. Works offline, no ads.
What is the GST rate on Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners)?
GST on Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners) as on 1 November 2026: 18%. Which rate applies depends on the exact code and on how it is sold or supplied; each entry below names the CBIC notification it comes from.
Changed with GST 2.0 (22 September 2025): 28% → 18% (8409). Many rate charts online still show the old rate. All GST 2.0 rate changes.
| New GST rate | Old GST rate (before 22 Sep 2025) | Code | What it covers |
|---|---|---|---|
| 18% | 18% | 84 | If you sell parts used solely or mainly with fixed-speed diesel engines of up to 15 HP, GST is 18%. 9/2025-CT(R), entry 386 |
| 18% | 28% | 8409 | If you sell parts used solely or mainly with the engines of heading 8407 or 8408, GST is 18%. 9/2025-CT(R), entry 396 |
GST rate on Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners) since 1 July 2017
The rate in force in each period, for old invoices, amended returns and audits. Each change came with a CBIC notification; the rate on any exact date is in the app. For an invoice dated around a change: GST rate on a past date.
| From | To | GST |
|---|---|---|
| 1 July 2017 | 12 October 2017 | 28% |
| 13 October 2017 | 21 September 2025 | 18% or 28% |
| 22 September 2025 | today | 18% |
8409 Parts suitable for use solely or principally with the engines of heading 8407 or 8408
| Code | Description (as in the tariff) |
|---|---|
840910 | For aircraft engines |
84091000 | For aircraft engines |
840991 | Suitable for use solely or principally with spark-ignition internal combustion piston engines |
84099111 | Valves, inlet and exhaust |
84099112 | Pistons |
84099113 | Piston rings |
84099114 | Piston assemblies |
84099120 | Fuel injection equipment excluding injection pumps |
84099191 | Of petrol engines for motor vehicles |
84099192 | Of other petrol engines |
84099193 | Of kerosene engines |
84099194 | Of gas engines |
84099199 | Other |
840999 | Other |
84099911 | Valve, inlet and exhaust |
84099912 | Pistons |
84099913 | Piston rings |
84099914 | Piston assemblies |
84099920 | Fuel nozzles |
84099930 | Fuel injection equipment excluding injection pumps |
84099941 | Of diesel engines for motor vehicles |
84099942 | Of outboard engine |
84099949 | Other |
84099990 | Other |
Which code goes on your GST invoice?
With aggregate turnover up to ₹5 crore in the previous year, write at least the 4-digit code (8409) on tax invoices to registered buyers (B2B; optional on B2C invoices); above ₹5 crore, the 6-digit code that fits (840910, 840991, 840999) on every tax invoice. The HSN summary in Table 12 of GSTR-1 takes the same digits. Details: invoice rules under Notification 78/2020-Central Tax.
Questions
What is the HSN code for Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners)?
Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners) is classified under HSN heading 8409 (Parts suitable for use solely or principally with the engines of heading 8407…). GST as on 1 November 2026: 18%. On B2B invoices, write at least 4 digits of the code (6 digits on every invoice if last year's turnover was above ₹5 crore).
What is the GST rate on Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners)?
As on 1 November 2026, GST on Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners) is 18%, depending on the exact code and how it is sold or supplied (CBIC notification 9/2025-CT(R)). Reference only; check the notification.
Did the GST rate on Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners) change in 2025?
Yes. From 22 September 2025 (GST 2.0): 28% → 18% (8409). Source: CBIC Notification 9/2025-CT(R).
What was the GST rate on Engine parts (pistons, piston rings, cylinder blocks, cylinder heads, liners) in July 2017?
On 1 July 2017: 28%.
← HSN and SAC codes for common items · Search any code on the HSN code finder.
Other common items
- Fans
8414 - Water pumps (Motor pump)
8413 - Air conditioners (AC)
8415 - Refrigerators
8418 - Washing machines
8450 - Laptops
8471 - Two-wheeler parts (motorcycle and scooter parts, bike spare parts)
8714 - Brake linings and clutch facings (friction material)
6813 - Brakes and brake parts for cars, buses, trucks and tractors (Brake assembly)
8708 - Clutches and clutch plates for cars, buses, trucks and tractors
8708 - Gear boxes and axles for cars, buses, trucks and tractors
8708 - Shock absorbers and suspension parts (other than springs) for cars, buses and trucks
8708
Codes and descriptions from the BooksOn HSN dataset (version 9, 2026-11-01), compiled from the Customs Tariff and CBIC notifications. Reference only; see Sources & disclaimer.