Description
Product Overview
The ACDelco A/C Orifice Tube 15-5759 is a professional‑grade replacement designed for automotive air‑conditioning systems. Crafted with a durable painted exterior, this component measures 4 x 2 x 0.9 inches and weighs just 0.32 ounces, ensuring easy handling and a perfect fit for the original equipment specifications. It meets OEM standards (part number 19189778) and provides the performance and dependability expected from the ACDelco brand.
![[Product front view showing all components]](https://www.summitgo.store/wp-content/uploads/2026/06/0869992818644ac986762929ef616a58.jpg)
Usage
Install this orifice tube in any vehicle that uses the standard A/C system requiring part 15-5759. It is ideal for restoring proper refrigerant flow after a leak or system service. Whether you are a professional mechanic or a DIY enthusiast, the tube fits seamlessly into the existing hose assembly, delivering consistent cooling in hot climates and maintaining system efficiency.
Why Choose Us
Choosing ACDelco means selecting a brand trusted by automotive manufacturers worldwide. This orifice tube is manufactured to exacting standards, guaranteeing a match in fit, form, and function. Our rigorous quality checks ensure each unit performs reliably from the first mile to the last, giving you confidence in every drive.
Key Features
- Exact OEM fit eliminates guesswork during installation
- Painted exterior resists corrosion for long‑term durability
- Lightweight design simplifies handling and reduces inventory weight
- Maintains optimal refrigerant flow for consistent cabin cooling
- Backed by ACDelco customer support and warranty coverage
FAQ
Is this orifice tube compatible with all ACDelco air‑conditioning systems?
It is compatible with any vehicle that specifies part number 15-5759. Always verify your vehicle’s service manual for exact part requirements.
Do I need special tools to install the tube?
Standard A/C hose clamps and basic hand tools are sufficient. Ensure the system is evacuated and the refrigerant is recovered before installation.
What warranty does ACDelco provide for this part?
The product carries ACDelco’s standard limited warranty, covering defects in material and workmanship for the period specified in the warranty documentation.
Can I use this tube for a high‑performance cooling system?
Yes, the tube meets OEM flow specifications, making it suitable for both standard and performance‑oriented applications.
How do I verify the correct orientation during installation?
The tube is symmetrical, but follow the flow direction indicated in your vehicle’s service guide to ensure proper refrigerant passage.



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