Description
Product Overview
The GM Genuine Parts fuel distributor is a direct‑fit replacement designed to meet General Motors’ rigorous OEM standards. Crafted from high‑quality machined aluminum, the unit offers superior corrosion resistance and heat dissipation compared with cast alternatives. With an 8‑inch rim width and a 114.3 mm (4.5‑inch) bolt‑pattern circle, it aligns perfectly with the factory mounting points on Chevrolet, Buick, GMC and Cadillac models. The part carries the original equipment number 12662385 and weighs just 2.3 pounds, making handling and installation straightforward.
Usage
This fuel distributor is intended for use in gasoline‑injection systems where precise fuel metering is critical. It is suitable for routine service replacements, performance upgrades, or as a spare part for fleet maintenance. Install the unit in any compatible GM vehicle built on the relevant platform, ensuring the bolt pattern matches the engine bay mounting flange. 
Why Choose Us
GM Genuine Parts are designed, engineered, and tested to the same standards as the components that leave the factory floor. Backed by General Motors, each part undergoes strict quality control, guaranteeing fit, function, and longevity. Our distribution network ensures you receive a genuine, unaltered component that integrates new materials and technologies as GM updates its designs. Choosing this distributor means confidence in OEM reliability and support from GM‑trained service professionals.
Key Features
- Machined aluminum construction for durability and heat resistance
- Exact OEM dimensions: 8‑inch rim width, 114.3 mm bolt pattern
- Lightweight design at 2.3 lb for easy handling
- Fits Chevrolet, Buick, GMC and Cadillac models with part number 12662385
- Backed by GM engineering and rigorous testing standards
FAQ
Is this fuel distributor compatible with all GM models?
The distributor matches the OEM part number 12662385, which is used across a range of Chevrolet, Buick, GMC and Cadillac vehicles. Verify your vehicle’s service manual for exact model year compatibility.
Do I need special tools to install this part?
Standard hand tools such as a socket set and torque wrench are sufficient. Follow the torque specifications in the vehicle’s service guide to ensure proper mounting.
Can I use this part for performance upgrades?
Yes. The machined aluminum design provides consistent fuel flow and can support higher performance applications while maintaining OEM reliability.
What warranty does GM provide for this part?
GM Genuine Parts carry the standard manufacturer warranty, typically covering defects in material and workmanship for a defined period. Check the warranty card included with the product for details.
How does this distributor differ from aftermarket alternatives?
Unlike many aftermarket options, this unit is engineered to exact GM specifications, ensuring perfect fit, optimal fuel distribution, and compliance with emissions standards.




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