GM Genuine Parts Auto Accessory Connector Hose 12479390 Machined

Description

Product Overview

Introducing the GM Genuine Parts connector hose, model 12479390, a precision‑engineered component designed for modern automotive systems. Crafted in the United States, this hose features a fully machined exterior that provides superior resistance to abrasion, chemical exposure, and temperature fluctuations. With a lightweight construction of just 3.27 ounces and compact dimensions of 3.09 x 3.06 x 3.06 inches, it integrates seamlessly into a wide range of vehicle models. The hose is part of GM’s original equipment lineup, ensuring exact fit and performance parity with factory‑installed parts. Its design focuses on delivering consistent fluid flow, minimizing pressure loss, and preventing leaks in critical engine and cooling circuits.

Usage

This connector hose is ideal for replacement or upgrade projects in passenger cars, light trucks, and SUVs that rely on GM‑specified fluid pathways. Whether you are servicing the cooling system, power steering, or fuel delivery lines, the hose offers a reliable conduit that maintains pressure integrity under demanding conditions. It is especially suited for DIY mechanics performing routine maintenance, as well as professional service centers that require OEM‑grade parts to meet warranty standards. The hose’s compact size allows installation in confined engine compartments, while its machined finish ensures a secure, leak‑free connection to compatible fittings.

Why Choose Us

Choosing GM Genuine Parts means selecting a component that carries the full weight of the manufacturer’s quality assurance. Each hose undergoes rigorous testing for pressure tolerance, material compatibility, and dimensional accuracy. The machined exterior not only enhances durability but also simplifies cleaning and visual inspection during service. Our commitment to American manufacturing guarantees consistent supply chain control and adherence to strict industry standards. Additionally, every purchase is backed by GM’s comprehensive after‑sales support, including technical assistance and a straightforward return policy.

Key Features

• Precision‑machined exterior resists wear and chemical attack for long‑term reliability.
• Lightweight, compact design fits easily into tight engine bays without sacrificing strength.
• OEM‑approved dimensions ensure a perfect match with GM vehicle specifications.
• Consistent fluid flow reduces pressure loss and helps maintain optimal system performance.
• Backed by GM Genuine Parts customer support and hassle‑free warranty service.

FAQ

Is this hose compatible with all GM models?

The connector hose is designed to meet the specifications of GM Original Equipment part number 12479390, which is used across a broad range of GM vehicles. Always verify the part number against your vehicle’s service manual to confirm compatibility.

What material is the hose made from?

The hose is constructed from a high‑grade synthetic rubber blend with a machined exterior coating that provides enhanced resistance to heat, oil, and coolant chemicals.

Can I install this hose myself?

Yes, the hose’s lightweight and compact dimensions make it suitable for DIY installation. Follow the vehicle’s service guide for proper routing and secure fastening to ensure a leak‑free connection.

What is the warranty coverage?

GM Genuine Parts offers a limited warranty that covers manufacturing defects for a period of 12 months from the date of purchase, subject to normal usage conditions.

How does the machined exterior benefit the hose?

The machined surface provides a smoother finish that reduces friction, improves seal integrity, and makes the hose easier to clean during maintenance, extending the overall service life.