The GM Genuine Parts GT295 fuel cap is presented as a compact, OEM-style replacement with a threaded fit and rubber gasket that promises a liquid-tight seal; it weighs 0.14 lb and measures 12.6 x 3.9 x 2.8 inches. The write-up notes durable construction, reduced vapor emissions, and improved fuel retention, lists easy installation and temperature resistance, and raises fitment and long-term wear questions—should it match vehicle specs and expected lifespan?
Key Takeaways
- OEM-style GT295 fuel cap fits many truck filler necks (OEM 20915990) and measures 12.6 x 3.9 x 2.8 inches.
- Rubber gasket and threaded fit provide a liquid-tight seal that reduces vapor emissions and fuel loss.
- Constructed from OEM-grade materials resistant to fuel exposure and temperature cycling for long-term durability.
- Easy to install with a solid torque feel; compatibility problems occur only with damaged or non-OEM filler necks.
- High customer satisfaction reports consistent sealing, improved EVAP performance, and reliable day-to-day use.
Design and Build Quality
Although compact in appearance, the GM Genuine Parts GT295 fuel cap demonstrates purposeful construction and practical details that matter during installation and daily use.
The cap weighs 0.14 pounds, measures 12.6 x 3.9 x 2.8 inches, and features a rubber gasket and threaded fit for a liquid-tight seal.
Weighing 0.14 lb with 12.6 x 3.9 x 2.8 in dimensions, it uses a rubber gasket and threaded fit for a liquid-tight seal
Durability assessment: how long will it last? Expect OEM-grade materials and resistance to fuel exposure and temperature cycles.
Aesthetic appeal: simple yellow finish matches factory styling.
Practical considerations: check-valve presence, torque feel on threading, compatibility with truck filler necks, and ease of removal and reinstallation.
Performance and Environmental Benefits
Having reviewed build quality and fit, attention turns to how the GT295 performs in everyday use and what that performance means for the environment.
The cap’s rubber gasket and tight seal reduce vapor emissions and limit fuel loss, supporting modest fuel efficiency gains over time.
How measurable are benefits? Expect reduced evaporative losses, fewer fill-ups, and lower VOC output; exact savings depend on driving and climate.
Practical specs: 12.6 x 3.9 x 2.8 inches, 0.14 lb, OEM part 20915990.
Considerations: proper installation, gasket condition, and vehicle EVAP system health.
Verdict: reliable, environmentally sensible.
Fitment, Specs, and Customer Feedback
Fit and compatibility are straightforward matters for the GM Genuine Parts GT295 (OEM 20915990): the threaded yellow cap is designed for truck fuel tank fillers, measures 12.6 x 3.9 x 2.8 inches, and weighs 0.14 lb (2.24 oz).
Fitment is generally reliable; however, common fitment issues can arise with non‑OEM filler necks, aftermarket adapters, or damage to the tank threads.
Specs: rubber gasket, check-valve option, OEM number 20915990, UPC 707773773598.
Q: Will it fit my truck? A: Verify OEM number and dimensions.
Customer satisfaction is high, ratings reflect consistent sealing, durability, and easy installation.
Frequently Asked Questions
Is This Fuel Cap Compatible With Non-Gm Vehicles?
Compatibility varies; the cap may fit non-GM vehicles if thread size and pressure specs match, aiding fuel efficiency and vehicle maintenance by sealing vapors. Users should compare OEM part numbers and measurements before purchasing.
Can the Cap Be Keyed to Match Other Locks?
No — it cannot be keyed to match other locks. The response notes limited keying options: this OEM cap lacks interchangeable tumblers or keying features. Security features are basic gasket and seal, not lock compatibility.
Is Installation Tool-Free or Does It Need Tools?
Like tightening a jar lid, installation is easy installation and typically tool-free; the threaded cap twists on by hand, so tool requirements are none for normal replacement, though occasional leverage might use a simple cloth or pliers.
Does the Cap Come With a Warranty Card In-Box?
No, it does not include a separate warranty card in-box; warranty details are handled through the seller/manufacturer and Amazon support. Packaging contents include the fuel cap and gasket, with returns and warranty processed online.
Are Replacement Gaskets Sold Separately?
Yes — replacement gaskets are available. Like a spare key for a locked garden gate, they support fuel cap maintenance, letting users replace worn seals to preserve vapor containment, prevent leaks, and maintain proper tank pressure.
Conclusion
The GM Genuine Parts GT295 fuel cap offers compact, rugged construction, a rubber gasket and threaded fit that deliver a liquid‑tight seal and reduced vapor emissions. It weighs 0.14 lb and measures 12.6 × 3.9 × 2.8 inches, fitting common truck fuel necks as an OEM replacement. Is it easy to install? Yes. Does it resist fuel and temperature changes? Yes. It provides reliable sealing, measurable efficiency benefits, and straightforward, long‑lasting service.
