Matched Set of 3 850cc Injectors for 2021+ Toyota GR Yaris and 2023+ Toyota GR Corolla
Key Features
- Exact DeatschWerks MPN 17MX-12-0850-3 for reliable product verification
- Engineered as a fuel-system component for the vehicle applications listed below
- Designed for performance fuel-system service with application-specific installation requirements
Vehicle Fitment
| Years | Make | Model | Notes |
|---|---|---|---|
| 2023-2024 | Toyota | GR Corolla | Circuit Edition |
| 2023-2024 | Toyota | GR Corolla | Core |
| 2023 | Toyota | GR Corolla | Morizo Edition |
| 2024 | Toyota | GR Corolla | Premium |
Product Specifications
| Manufacturer | DeatschWerks |
|---|---|
| Manufacturer Part Number | 17MX-12-0850-3 |
| Product Type | Fuel Injector Sets - 3Cyl |
| Fitment | Vehicle specific |
| Condition | New |
| Pricing Policy | Manufacturer MAP applies |
What's Included
The exact DeatschWerks component and quantity identified by the product title and MPN. Fittings, wiring, hoses, adapters, tuning, and installation hardware are included only when specifically stated.
Installation and Tuning Notes
Confirm the exact MPN, fuel type, flow requirement, pressure range, electrical connector, inlet and outlet size, and vehicle application before ordering. Professional installation is recommended. Fuel-system modifications may require compatible supporting components and calibration.
Why Choose DeatschWerks
DeatschWerks develops performance fuel injectors, pumps, rails, regulators, filters, fittings, and supporting hardware. Black Ops Auto Works organizes the catalog by exact MPN and verified application data so buyers can compare the correct component before purchase.
Frequently Asked Questions
How do I confirm this is the correct part?
Match DeatschWerks MPN 17MX-12-0850-3 and verify every listed vehicle, engine, fuel, pressure, flow, connector, and dimensional requirement.
Is professional installation recommended?
Yes. Fuel-system work requires correct depressurization, sealing, leak testing, electrical verification, and calibration where applicable.
Does this include every installation component?
Only items expressly identified in the title or product details are included. Review the complete fuel-system plan before ordering.
Can this be used with ethanol-blended fuel?
Compatibility varies by exact component. Confirm the manufacturer's specification for this MPN and the fuel used in the vehicle.
Important Notes
Never select a fuel-system component by appearance alone. Verify the manufacturer part number and application. Modified vehicles may require additional engineering, supporting hardware, and professional tuning.
Browse the complete DeatschWerks fuel-system collection.
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A matched set of fuel injectors ensures balanced fuel delivery across every cylinder in 3-cylinder engine applications, preventing the cylinder-to-cylinder variation that causes rough idle, uneven power distribution, and difficulty achieving correct air-fuel ratios across the entire rev range. Factory injectors lose flow capacity and spray pattern quality over time due to deposits, coking near the injector tip, and solenoid wear, making a complete set replacement more reliable than swapping a single injector after a misfire diagnosis. Flow-matched injector sets are especially important on high-performance builds where uneven fueling translates directly into inconsistent combustion and wasted tuning effort. Whether replacing worn OEM injectors or stepping up to a higher flow rate for a forced induction build, buying a matched set is the correct approach for consistent results. Popular Upgrades Top-selling 3-Cylinder injector sets include Bosch EV14 matched sets for turbocharged appli...
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