GM GENUINE PARTS fuel pressure regulator vacuum tube 17113556 — OEM-fit, US-made replacement

GM GENUINE PARTS ACDelco 17113556 is the factory-designed fuel pressure regulator vacuum tube that restores correct fuel pressure control on compatible Chevrolet, Buick, GMC and Cadillac models.

When fuel pressure regulation requires a new vacuum line, using the GM Genuine Parts ACDelco 17113556 ensures you get the same shape, materials and specifications the vehicle was built with. This vacuum tube is manufactured to match OEM tolerances so it installs cleanly and interfaces properly with the regulator and intake manifold. It simplifies repairs and helps maintain the engine's intended fuel delivery behavior when replacing worn or damaged lines.

What does this vacuum tube do for my vehicle?

The vacuum tube links manifold vacuum to the fuel pressure regulator so the regulator can adjust fuel pressure relative to intake pressure. A correct, leak-free tube helps the regulator respond accurately across idle, cruise and load conditions.

• Transmits intake vacuum to the fuel pressure regulator
• Maintains stable fuel pressure under varying engine loads
• Prevents vacuum leaks that can affect drivability

How does this part fit and install compared to aftermarket lines?

This GM Genuine tube is produced to original equipment geometry, so it aligns with factory connectors and mounting points. That fit minimizes trimming or modification during installation and reduces the chance of routing interference with surrounding components.

• Exact OEM length and bend profile for direct replacement
• Designed to mate with factory clamps and fittings
• Reduces installation time versus universal hoses

Which vehicles and situations call for replacing this tube?

Replace the vacuum tube if you find cracks, hardening, splits, or if diagnostic trouble codes or fuel pressure symptoms point to a vacuum leak. It’s particularly recommended during regulator service or when restoring fuel system integrity on older vehicles.

• Common on Chevrolet, Buick, GMC, Cadillac models using the specified regulator
• Replace when visible wear, leaks, or degraded rubber are present
• Often changed alongside regulator or fuel-rail servicing

What are the origin, quality and fitment assurances for this part?

The ACDelco GM GENUINE PARTS 17113556 vacuum tube is manufactured in the United States to meet GM Original Equipment standards. It undergoes quality checks to ensure material compatibility and fit for the intended GM applications.

• Made to GM OE specifications for reliable replacement
• Country of origin: United States
• Backed by GM GENUINE PARTS quality control and design data

Who is this for? Technicians, home mechanics and vehicle owners who want a direct-fit replacement for the fuel pressure regulator vacuum line on supported Chevrolet, Buick, GMC and Cadillac vehicles will appreciate this part. If you prefer factory-matched components to preserve original routing, connection integrity and serviceability, the ACDelco GM GENUINE PARTS 17113556 provides an OEM-grade solution that reduces installation guesswork and helps maintain proper fuel system performance.