Set of 6 rebuilt OEM GM fuel injectors (12586554) for GM 3.1L / 3.4L V6 OHV engines. Professionally ASNU serviced and flow tested to meet or exceed factory specs.

Core Product Overview

Each set includes 6 genuine OEM GM injectors (part #: 12586554) for 3.1L and 3.4L OHV V6 engines, fully serviced and ready to install with new o-rings.

• Locally sourced genuine OEM cores – never aftermarket
• Inspected, ASNU serviced, ultrasonic injector cleaning, debris backflushed
• ASNU spray pattern tests, flow rate checked, and leak verified
• Includes new o-rings and internal filters – ready to install
• Professionally rebuilt by us here in Florida – never outsourced

Backed by our lifetime replacement warranty

Symptoms of Failing Fuel Injectors

• Decreased fuel economy
• Check Engine codes such as P0300, P0172, P0200
• Unstable idle or engine vibration
• Difficulty starting the engine
• Illuminated Check Engine Light

Why Choose Our Rebuilt OEM Injectors?

Each injector we sell is sourced from original OEM cores and rebuilt in-house here in our Florida warehouse. Every set is ASNU flow tested, matched, and cleaned with precision. No shortcuts. No outsourcing. Just reliable performance backed by real quality control.

Vehicle Compatibility

Fuel Injector Part # Interchange

For most accurate compatibility, search by Year/Make/Model on our homepage.

Lifetime Warranty

Buy with confidence: Every injector includes a lifetime warranty and an unbeatable 60-day hassle-free return period. No RMA. No restocking fees. No stress.

Fitment: