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✦ Since 2020XWQHJW
Precision Fuel Injection Technology engineered for performance & reliability
Explore Product✧ Fuel Injector · SetFuel Injector FJ503
For Chevrolet / GMC / Isuzu / OldsmobilePart # : FJ503 · Ref : 12568332, 19210688
Engineered for precise fuel delivery, improved throttle response, and reduced emissions. Compatible with Chevrolet, GMC, Isuzu and Oldsmobile gasoline vehicles.
⚡ 100% tested 🔧 Easy install 🛢️ Max efficiency 🔥 High-temp O-rings ⛽ Fuel Injection 📦 1 SetVehicle Compatibility
Compatible with the following models — check your vehicle before purchase
ForChevrolet Astro 1997-2005ForChevrolet Blazer 1996-2005ForChevrolet C1500 Pickup 1996-1998ForChevrolet C3500 Pickup 1996-1997ForChevrolet Express 1500 1996-2007ForChevrolet Express 2500 1996-2005ForChevrolet K1500 Pickup 1996-1998ForChevrolet P30 1996-1999ForChevrolet S10 Pickup 1996-2004ForChevrolet Silverado 1500 1999-2007ForChevrolet Silverado 1500 Classic 2007ForGMC C1500 Pickup 1996-1998ForGMC Jimmy 1996-2002ForGMC K1500 Pickup 1996-1998ForGMC P3500 1996-1999ForGMC Safari 1996-2005ForGMC Savana 1500 1996-2007ForGMC Savana 2500 1996-2006ForGMC Sierra 1500 1999-2007ForGMC Sonoma 1996-2004ForIsuzu Hombre 1997-2000ForOldsmobile Bravada 1996-2001⚠️ Vehicle compatibility charts are for REFERENCE ONLY. Always verify with your specific vehicle before purchase.Performance Specifications
Engineered for maximum efficiency, durability, and clean combustion
⚡Responsive Delivery
Precisely trimmed solenoid windings for optimum fuel metering and instant throttle response.
🔥High-Temp Sealing
Advanced O-rings withstand extreme heat, ensuring long-term leak-proof performance.
🛡️Corrosion Resistant
Stainless steel calibration slide & spring assembly prevents rust and extends service life.
🌱Reduced Emissions
Balanced fuel delivery lowers overall fuel consumption and harmful exhaust output.
🔩100% Quality Tested
Every unit undergoes rigorous quality assurance to meet strict performance standards.
⛽Fuel Injection
Designed for gasoline fuel injection engines, delivering fuel with precision and efficiency.
Material & ColorMaterial High-quality Plastic, Metal & Rubber durableColor As pictured actual may varyPart Reference FJ503 · 12568332 · 19210688Package Included💧1 × Fuel Injector SetBrand new, never usedInstallation Guide
Follow these steps for a safe and proper installation
Disconnect the negative ground terminal from the battery.Remove air intake, disconnect hoses & sensors, lift air box.Remove throttle cable; slide cable end out and lay cables aside.Disconnect wiring harnesses, sensors, hoses, solenoid & connectors.Remove cap on Schrader valve, loosen fuel fittings behind intake.Remove hose bracket, fuel line, then unscrew nuts and remove intake manifold.Pry out old injector bracket, install new injector, insert hose by number.Reinstall fuel lines, reconnect battery & pump, perform pressure check for leaks.Important Notes
📦 Tracking Number — Provided with every order. Please buy with confidence!
⚠️ Professional installation recommended. No installation guides are included. Any damage during installation will not be refunded.
📸 Visual reference: The item comes as shown in the pictures. Color may vary slightly due to monitor settings. Please check images before purchase.
📬 Bulk orders & inquiries: Please contact us for larger quantity requests.
XWQHJW · Precision Fuel Injection Technology© 2026 XWQHJW. All rights reserved.
On Sep 28, 2026 at 04:22:23 PDT, seller added the following information:
