Subaru OEM Fuel Filler Neck Ring (02-07 WRX, 04-07 STI, 02-07 IMP) | 42056AA011

Overview

The Genuine Subaru OEM Fuel Filler Neck Ring (Part #42056AA011) is the factory-original sealing ring designed to maintain a proper, leak-free connection at the fuel filler neck on your Subaru. Engineered to exact OEM specifications, this replacement ring ensures a precise fit for 2002–2007 Subaru WRX, 2004–2007 STI, and 2002–2007 Impreza models. Choosing a genuine Subaru part guarantees factory-level quality, durability, and compatibility — no guesswork, no modifications required.

Key Features & Benefits

• Genuine OEM Quality — Manufactured to Subaru's exact factory standards for reliable, long-lasting performance and a perfect seal every time.
• Exact-Fit Guarantee — Designed specifically for the 2002–2007 WRX, 2004–2007 STI, and 2002–2007 Impreza, eliminating fitment issues common with aftermarket alternatives.
• Prevents Fuel Leaks & Odors — A properly seated filler neck ring creates a critical seal that prevents fuel vapors and leaks at the filler neck junction.
• Factory Warranty Backed — As a genuine Subaru part, it is covered under Subaru's OEM parts warranty for added peace of mind.
• Direct OEM Replacement — Drop-in replacement for the original worn or damaged ring; no modifications or adapters needed.

What's Included

• 1x Genuine Subaru Fuel Filler Neck Ring (Part #42056AA011)

Specifications

Fitment & Compatibility

This genuine Subaru fuel filler neck ring is compatible with the following vehicles:

Always verify your vehicle's year, model, and trim before ordering. Cross-reference OEM part number 42056AA011 with your vehicle's parts diagram for confirmation.

Installation

This fuel filler neck ring is a straightforward OEM replacement. In most cases, installation involves removing the fuel filler cap, detaching the existing worn or damaged ring from the filler neck housing, and pressing or seating the new OEM ring into place. Basic hand tools may be sufficient; however, if you suspect fuel system damage or are unfamiliar with fuel system components, professional installation is recommended. Always follow proper fuel system safety precautions — work in a well-ventilated area away from open flames or sparks.