4x XWQHJW Fuel Injectors for 2016-2021 Buick Chevrolet GMC 1.4L 1.5 55577403 For Sale - New and Used

XWQHJW Premium GDI Fuel Injectors (Set of 4)

Upgrade your vehicle\'s fuel delivery system with the XWQHJW GDI Fuel Injector Set. This complete set includes 4 Gasoline Direct Injection (GDI) Fuel Injectors, providing reliable fuel delivery for optimal engine performance and efficiency.

Built with high-quality materials including stainless steel, copper, and plastic, these injectors are designed for durability and consistent performance in gasoline engines.

✨ Key Features

• Complete Set of 4 — 4 GDI Fuel Injectors for a full replacement.

• Gasoline Direct Injection (GDI) — Designed for modern direct-injection gasoline engines.

• Durable Construction — Made with stainless steel, copper, and plastic components.

• Precise Fuel Delivery — Ensures consistent fuel atomization for efficient combustion.

• Direct Fit — No modification needed for compatible models.

• Strict Quality Control — Manufactured to meet or exceed professional standards.

📊 Performance at a Glance

• Quantity: 4 Units

• Type: GDI (Gasoline Direct Injection)

• Material: Stainless Steel + Copper + Plastic

• Application: Gasoline Vehicles

• OE Reference: 55577403

🔄 The Clear Difference: Old vs. New

Worn Fuel Injectors

• Rough idle and hesitation

• Poor fuel economy

• Engine misfires

• Hard starting

• Check engine light warnings

XWQHJW GDI Injectors

• Smooth, consistent idle

• Reliable fuel delivery

• Improved fuel efficiency

• Easier engine starting

• Restored engine performance

🔢 OE Reference Numbers

• 55577403

（Note: Additional compatible reference numbers may apply. Please verify with your original part before purchasing.)

🚗 Vehicle Compatibility (Fitment)

Please verify your vehicle\'s compatibility before purchasing. This injector set is compatible with the following models:

• For 2016-2019 BUICK ENCORE 1.4L L4 Turbocharged

• For 2016-2019 CHEVROLET CRUZE 1.4L L4 Turbocharged

• For 2018-2022 CHEVROLET EQUINOX 1.5L L4 Turbocharged

• For 2016-2020 CHEVROLET MALIBU 1.5L L4 Turbocharged

• For 2018-2020 GMC TERRAIN 1.5L L4 Turbocharged

🔧 Easy Installation Guide

1. Turn off the engine and allow the engine bay to cool down completely.

2. Disconnect the negative terminal of the battery for safety.

3. Relieve the fuel system pressure according to your vehicle\'s service manual.

4. Remove the old fuel injectors and inspect the seals and O-rings.

5. Install the new XWQHJW fuel injectors securely and reconnect the fuel lines.

6. Reconnect the battery and test the engine before closing the engine cover.

📋 Product TypeGDI Fuel Injector SetQuantity4 x Fuel InjectorsTypeGasoline Direct Injection (GDI)MaterialStainless Steel + Copper + PlasticApplicationGasoline VehiclesOE Reference Number55577403CompatibilityDirect fit for compatible vehiclesWarrantyQuality assured before shipping💡 Why Choose XWQHJW?

• Complete Set of 4 — Everything you need in one package, saving time and money.

• Precise Fuel Atomization — Ensures efficient combustion and smooth engine operation.

• Durable Materials — Stainless steel, copper, and plastic construction for long-lasting reliability.

• Improved Fuel Economy — Restores efficient fuel delivery for better mileage.

• Strict Quality Testing — Every unit is rigorously tested before shipping.

• Cost-Effective Upgrade — Premium quality at an affordable price point.

❓ Frequently Asked Questions (FAQ)

Q: Will these fuel injectors fit my vehicle?
A: Please check your vehicle\'s manual or inspect your original fuel injector (reference 55577403) to confirm compatibility. If you are unsure, please contact us with your vehicle model and year for assistance.

Q: Are these injectors suitable for gasoline engines?
A: Yes. These are GDI (Gasoline Direct Injection) fuel injectors designed specifically for gasoline vehicles.

Q: Is the installation difficult?
A: Fuel injector replacement requires mechanical knowledge and proper tools. We recommend professional installation to ensure correct fitment and to avoid fuel system damage.

Q: Do I need to replace all 4 injectors at once?
A: Replacing all injectors at the same time is recommended for consistent performance and to prevent future failures.

Q: Are new O-rings or seals included?
A: Please refer to the package contents listed above. If you need additional seals or O-rings, please contact us for assistance.

Q: What are the benefits of GDI injectors?
A: GDI injectors deliver fuel directly into the combustion chamber, providing more precise fuel atomization, improved fuel efficiency, and better engine performance compared to traditional port fuel injection.

📦 Package Includes

• 4 x GDI Fuel Injectors

⚠️ Important Compatibility Note

Please double-check the reference number 55577403 and visually compare the fuel injector with your original part before purchasing to ensure a perfect fit. If you have any questions, our customer service team is happy to help.

✔ Our Commitment

• Quality Assured — Rigorously tested before shipping.

• Secure Packaging — Shockproof packaging for safe delivery.

• Customer Support — Fast response to all inquiries.

© 2026 XWQHJW. All rights reserved. Premium Automotive Fuel System Solutions.

On Sep 18, 2026 at 01:52:16 PDT, seller added the following information:

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