GM Genuine Parts GT261 Fuel Tank Filler Cap (19207873) – OE Replacement

Overview

The GM Genuine Parts GT261 is the original equipment regular fuel cap designed for GM vehicles. This threaded cap, paired with a durable rubber gasket, creates a liquid-tight seal at the fuel filler, helping to keep fuel in and contaminants out. Some configurations may include a vent that regulates air flow as the tank breathes during refueling and temperature changes. Built to GM OE specifications, it aims to deliver the same fit, form, and function as the factory part, backed by the brand’s quality standards and testing.

Key Benefits

• Helps provide a tight seal to minimize fuel fumes and evaporation.
• Protects the filler neck from water, dirt, and debris for cleaner refueling.
• GM-recommended replacement part for your GM vehicle’s original factory cap.
• Meets GM OE specifications for reliable fit, form, and function.
• May include a check-valve to balance air pressure inside the tank during operation.
• Manufactured and tested to ensure absence of material or craftsmanship defects.

Design, Fit, and Reliability

Manufactured to GM OE standards, the GT261 is built to mirror the performance you expect from General Motors. Its threaded design ensures compatibility with GM filler necks, while the rubber gasket provides a resilient seal that stands up to daily driving, weather, and temperature swings. The part’s durability and precise fit help promote consistent sealing over time, reducing the likelihood of leaks or contamination at the fuel fill area.

• Threaded cap with a dependable rubber gasket for a robust seal.
• GM OE specification ensures proper alignment and sealing with GM fuel systems.
• Rigorous inspection and testing help verify material quality and craftsmanship.

Real-World Use

Whether you’re performing routine maintenance or replacing a worn cap, GT261 offers a straightforward, plug-and-play solution that aligns with GM’s original equipment approach. It’s designed for ease of installation and reliable performance across common driving conditions, helping you maintain fuel system integrity without guesswork.