9 Ignition parts are listed for the 2021 Toyota GR Supra, in 4 part types, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Toyota GR Supra, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules. Most of the listed parts are Ignition Coil (5 parts), Spark Plug (2 parts) and Camshaft Position Sensor (1 part). The other 1 part type covers the remaining 1 part.
The 2021 Toyota GR Supra was sold with both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. All 9 parts on this page fit every engine.
6 brands supply ignition parts for the 2021 Toyota GR Supra, led by WELLS (3 parts), NGK (2 parts) and BECK/ARNLEY (1 part), plus 3 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Toyota GR Supra. 1 part has it: NGK 49061 (Ignition Coil). Each part number opens a page with every vehicle that part fits.
Camshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2021 GR Supra engines | 5S17657 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report camshaft position to the ECU. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
This group shows a single part: WELLS 5S17657.
Crankshaft Position Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2021 GR Supra engines | 5S17660 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the sensors that report crankshaft position and engine speed. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor.
This group shows a single part: WELLS 5S17660.
Ignition Coil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NGK Popular Fits: all 2021 GR Supra engines | 49061 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY Fits: all 2021 GR Supra engines | 1788564 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2021 GR Supra engines | UF750 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 2021 GR Supra engines | COP648 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2021 GR Supra engines | 5C2387 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the coils that fire each spark plug. Typical signs include a misfire that follows one cylinder, a snap in damp weather, or a coil that is swollen or cracked. Swap a suspect coil with a neighbor to confirm, then replace boots that tore on the way off.
5 Ignition Coil parts for the 2021 Toyota GR Supra come from 5 brands — NGK, BECK/ARNLEY, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is NGK 49061. Every part fits both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged.
Part numbers include NGK 49061, BECK/ARNLEY 1788564 and STANDARD MOTOR PRODUCTS UF750, among others listed above.
Spark Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: all 2021 GR Supra engines | 9787 | 🇺🇸 US 🇨🇦 CA | OE Fine Wire Double Iridium | View on Amazon |
| NGK Fits: all 2021 GR Supra engines | 96206 | 🇺🇸 US 🇨🇦 CA | Laser Iridium High Ignitability | View on Amazon |
This table covers the spark plugs for this engine. Typical signs include misfire under load, rough idle, or a flashing check-engine light. Verify the gap even on pre-gapped plugs, and replace coil boots that come off a high-mileage engine.
2 Spark Plug parts are listed for the 2021 Toyota GR Supra, from BOSCH and NGK. All of them fit every engine offered in the 2021 GR Supra.
This group includes BOSCH 9787 and NGK 96206.
Buying Ignition Parts for a 2021 Toyota GR Supra
On this vehicle, the ignition system delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.
- You do not need to pick an engine: every ignition part on this page fits both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Ignition Coil and Spark Plug .
Frequently Asked Questions
How many ignition parts fit the 2021 Toyota GR Supra?
Our catalog currently lists 9 ignition parts for the 2021 Toyota GR Supra across 4 subcategories and 6 brands, covering both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Each part is matched to the engine(s) it fits.
Do ignition parts differ between 2021 Toyota GR Supra engines?
No. On this page every ignition part fits both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of ignition problems on a 2021 Toyota GR Supra?
Common symptoms include misfires under load, rough idle, flashing check-engine light, or poor starting in damp weather. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What spark-plug gap is listed for the 2021 Toyota GR Supra?
Notes on this page include a 0.030" pre-set gap. Still verify against spec — even “pre-gapped” plugs should be checked before they go in.
What should I replace at the same time?
Where labor overlaps, replace plugs and wires (or coil boots) as a set — one weak cylinder makes the whole set feel bad.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Toyota GR Supra was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Toyota GR Supra?
Every part on this page already fits both the 2.0L L4 Turbocharged and the 3.0L L6 Turbocharged. Then gap matters even on “pre-gapped” plugs — verify against spec, and replace coil boots when they come off a high-mileage engine. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Toyota GR Supra
Ignition Parts for Other Toyota GR Supra Years
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