🚗 Overview

Your vehicle’s fuel system is more than just the tank and pump. A faulty or aftermarket gas cap can cause fuel vapor leaks, check engine lights, or emissions test failures. That’s why serious Honda owners trust the Genuine Honda 17670-SM4-A04 Fuel Filler Cap.

Engineered to exact OEM standards, this Fuel Filler Cap is the official Honda factory replacement for various Honda vehicles. It provides a tight, vapor-sealed fit, reducing fuel evaporation and keeping your emission system running smoothly. Whether you’re replacing a worn-out, broken, or missing cap, this is the smartest investment to maintain your Honda’s reliability.

Genuine Honda 17670-SM4-A04 Fuel Filler Cap – Reliable OEM Fit for Honda Models

✅ Pros and Cons

✅ Pros:

✔️ Genuine OEM part – exact factory match
✔️ Prevents fuel system leaks and vapor loss
✔️ Helps eliminate check engine light (EVAP system error)
✔️ Durable and built to last with proper sealing
✔️ Compatible with multiple Honda models

❌ Cons:

❗ Slightly higher price than aftermarket alternatives
❗ Only compatible with specific Honda vehicles (verify fit)
❗ No tether or strap included (reuse OEM tether if needed)

🔍 Features & Benefits

🧰 1. OEM Quality & Fitment Guaranteed

The 17670-SM4-A04 Fuel Filler Cap is a Genuine Honda part, which means it’s not an aftermarket replica. It’s the exact part Honda uses in production vehicles. That guarantees:

Proper seal on the filler neck
Correct pressure release
Exact thread and cap size
No compatibility issues

If you’re tired of trying universal gas caps that don’t quite fit or cause error codes, this OEM cap is the solution.

🛡️ 2. Protects Against Fuel Vapor Leaks & Check Engine Lights

A damaged or loose fuel cap is one of the most common reasons for a check engine light (CEL) related to the EVAP (Evaporative Emission Control) system.

The Genuine Honda fuel filler cap features a secure locking mechanism and high-quality rubber seal, ensuring:

No fuel vapor escape
Pressure is maintained within the tank
Reduced risk of triggering P0456, P0440, or P0457 engine codes

Simply replacing a defective cap with this genuine part can turn off your check engine light within a few drives—without costly diagnostics or sensor replacements.

🛠️ 3. Heavy-Duty Construction for Long-Term Durability

Honda doesn’t cut corners when it comes to materials. This gas cap is:

Made from heat-resistant ABS plastic
Equipped with a fuel vapor-tight inner gasket
Built for long life withstanding daily fuel refills, dust, and debris

The cap resists cracking, wear, and heat deformation, making it ideal for long-term use in all weather conditions.

🔄 4. Simple, Tool-Free Installation

Installing the 17670-SM4-A04 Fuel Filler Cap is as easy as:

Removing your old cap
Screwing the new one onto the fuel filler neck
Listening for the satisfying “click” sound that confirms a tight seal

It installs in seconds, with no tools or modifications needed. It also works with many OEM fuel doors and cap holders.

🚗 5. Multi-Vehicle Compatibility

This Fuel Filler Cap is not just limited to one model. It fits a wide range of Honda vehicles including:

Honda Accord (1994–2002)
Honda Civic (1996–2000)
Honda Prelude, CR-V, Odyssey, and more (depending on trim)

📌 Important: Always verify your vehicle’s part number or use your VIN with an online Honda parts database to ensure a perfect match.

❓ FAQ- Fuel Filler Cap

Q1: What vehicles is this gas cap compatible with?

A: The 17670-SM4-A04 fits various Honda Accord, Civic, Prelude, CR-V, and Odyssey models. Always confirm compatibility by matching part numbers or using VIN lookup.

Q2: Will this cap stop my check engine light?

A: If your check engine light is due to a faulty or missing fuel cap (typically EVAP error codes), then yes—this genuine cap can help resolve the issue within a few drive cycles.

Q3: Is this a genuine OEM Honda part?

A: Yes. This is not an aftermarket substitute. It’s a Honda-manufactured, direct replacement part that ensures proper fit and function.

Q4: Does this include a tether or strap?

A: No, the cap does not come with a tether. You can reuse the tether from your existing cap or purchase one separately.

Q5: How do I know if my current gas cap is bad?

A: Signs of a failing gas cap include:

Persistent fuel smell
Check engine light
Clicking sound not heard when tightened
Cap looks cracked or worn
Replacing it with this OEM version restores a tight seal and fuel system efficiency.

🔍 Suggested – similar parts

🎯 Final Recommendation

The Genuine Honda 17670-SM4-A04 Fuel Filler Cap isn’t just a small plastic piece—it’s a critical part of your vehicle’s fuel system, emissions compliance, and long-term performance.

Aftermarket gas caps often lack the proper threading, gasket seal, or locking tension, leading to poor fuel economy, warning lights, and even failed emissions tests.

Choosing this OEM fuel cap ensures:

A guaranteed factory fit
A tight vapor seal that protects your EVAP system
Prevention of costly repairs or sensor replacements
Confidence that your vehicle stays road-ready and emission-compliant

If you’re replacing a lost or broken fuel cap, or dealing with a stubborn check engine light, this is the most reliable and safest choice. Don’t gamble with generic replacements—invest in the genuine part your Honda was designed to use.

To buy this product, click here.

Genuine Honda 17670-SM4-A04 Fuel Filler Cap – OEM Gas Cap for Honda Models

🚗 Overview

Genuine Honda 17670-SM4-A04 Fuel Filler Cap – Reliable OEM Fit for Honda Models