2021 Toyota Gr Supra Electrical Part Misc — Part # 043848 — Matlock Used Auto Parts-Team PRP, ARA-Gold Seal, CAR, CDC · Cleveland, NC

Name: 2021 Toyota Gr Supra Electrical Part Misc — Part # 043848 — Matlock Used Auto Parts-Team PRP, ARA-Gold Seal, CAR, CDC · Cleveland, NC for 2021 Toyota Gr Supra
Brand: Toyota
SKU: 2021-toyota-gr-supra-electrical-part-misc-043848
Price: 512.85 USD

Electrical Part Misc for 2021 Toyota Gr Supra

Product Details

$512.85

Part Number

043848

Vehicle

2021 Toyota Gr Supra

Description

When upgrading your 2021 Toyota GR Supra's performance, consider this aftermarket JB4 piggyback tuner from Burger Motorsports, designed for model years 2020 to 2023. This electrical part includes a phone connect kit, allowing convenient tuning adjustments via your smartphone. The unit is graded A condition, indicating excellent quality and minimal wear. It is sold as a complete piggyback system (CP only), tailored specifically for the GR Supra's engine management system to enhance power and responsiveness. Before purchasing, verify compatibility with your vehicle's exact model and software version to ensure seamless integration. This part offers a practical approach to performance tuning without permanent ECU modifications. For more details on similar upgrades, explore the Electric Part Miscellaneous category or browse Toyota and GR Supra parts to find complementary components. Take advantage of this opportunity to enhance your Supra's driving experience with a trusted aftermarket tuner. Feel free to reach out with any questions or to confirm fitment before ordering. Explore Electric Part Miscellaneous category and Toyota parts to compare related listings.

Enhanced product content

Fitment & Buyer Verification

This electrical part is listed for a 2021 Toyota GR Supra, specifically an aftermarket JB4 piggyback tuner compatible with 2020-2023 models. Verification of exact model and software compatibility is recommended.

Record only

Fitment checks

Vehicle Compatibility

Use these records to confirm the vehicle match before purchase.

Check	What to verify	Buyer action	Basis
Vehicle Year	2021	Confirm this detail before ordering.	Product recordHigh
Vehicle Manufacturer	Toyota	Confirm this detail before ordering.	Product recordHigh
Vehicle Model	GR Supra	Confirm this detail before ordering.	Product recordHigh
Vehicle Generation/Trim	2020-2023 GR Supra	Confirm this detail before ordering.	Listing noteMedium

Option checks

Configuration Details

Match trim, equipment, and listing-specific details against your vehicle.

Check	What to verify	Buyer action	Basis
Tuner Compatibility	JB4 piggyback tuner for 2020-2023 GR Supra	Confirm your GR Supra's model year and ECU software version to ensure compatibility with this JB4 tuner.	Listing noteHigh
Included Phone Connect Kit	Yes	Verify that your smartphone supports the tuning app required for the phone connect kit.	Listing noteHigh
Condition Grade	A	Inspect photos and ask the seller about any signs of wear or damage despite the A grade.	Product recordHigh

Included parts

Included Component Checks

Review what appears to be included and what still needs confirmation.

Component	Status	Note	Confidence
JB4 Piggyback Tuner	confirmed	Includes phone connect kit	High

Before ordering

Buyer Verification Checklist

Confirm your 2021 Toyota GR Supra model year and ECU software version for tuner compatibility.
Verify smartphone compatibility with the phone connect kit app.
Inspect condition grade A details and request additional photos if needed.
Ensure this is the complete piggyback tuner system (CP only) as listed.

Condition review

Condition & Inspection Notes

Check for any physical damage or wear despite the A grade condition.
Verify functionality of the phone connect kit and tuner unit before installation.

Common questions

Product Fitment FAQs

What vehicles is this JB4 piggyback tuner compatible with?

This tuner is designed for Toyota GR Supra models from 2020 through 2023, including the 2021 model year listed here. Confirm your specific vehicle's ECU software version for compatibility.

Does the phone connect kit work with all smartphones?

The phone connect kit supports smartphones compatible with the JB4 tuning app. Check your phone's operating system and app availability to ensure it will work properly.

Is this part new or used?

The part is graded A condition, indicating it is used but in excellent condition with minimal wear. Ask the seller for detailed condition photos or testing information.

Source review

References

Original seller listing: 2021 Toyota GR Supra Electrical Part Misc 043848 · AutoPartEx seller record

Dealer Information

Cleveland, NC

Matlock Used Auto Parts-Team PRP, ARA-Gold Seal, CAR, CDC

Call (800) 428-0335

Dealer area: Cleveland, NC. Exact dealer coordinates are unavailable; call to confirm the address.

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