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DormanPart #: 579-204
Dorman 579-204 Fuel Tank Lock Ring
⚙️ 15 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$178.16Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 2, 3, 6, and RX-8
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Fuel Tank Lock Ring options
Dorman 579-204 Fuel Tank Lock Ring
| Brand | Dorman |
| Part Number | 579-204 |
| Material | Plastic |
| Material | Rubber |
| Color | White |
| Inside Diameter | 5.35 |
| Thickness | 0.088 |
| Outside Diameter | 7 |
| Gasket Or Seal Included | Yes |
| Rim Width | 0.088 |
| Lock Ring Diameter (In) | 6.5 in |
| Package Contents | 1 lock ring; 1 o-ring |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2014 | Mazda | 2 | N/A | ||
| 2013 | Mazda | 2 | N/A | ||
| 2012 | Mazda | 2 | N/A | ||
| 2011 | Mazda | 2 | N/A | ||
| 2011 | Mazda | RX-8 | N/A | ||
| 2010 | Mazda | RX-8 | N/A | ||
| 2009 | Mazda | 3 | N/A | ||
| 2009 | Mazda | RX-8 | N/A | ||
| 2008 | Mazda | 3 | N/A | ||
| 2007 | Mazda | 3 | N/A | ||
| 2007 | Mazda | 6 | Mazdaspeed | N/A | |
| 2006 | Mazda | 3 | N/A | ||
| 2006 | Mazda | 6 | Mazdaspeed | N/A | |
| 2005 | Mazda | 3 | N/A | Federal Emissions | |
| 2004 | Mazda | 3 | N/A | Federal Emissions |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
GP9A42167LO184
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.