/live/media/RB/RB_579200_Fro.jpg)
OE Quality
60-Day Returns
Dorman 579-200 Fuel Tank Lock Ring
Dorman 579-200 Fuel Tank Lock Ring
Dorman 579-200 is a direct replacement fuel tank lock ring for servicing the fuel sending unit. Built from steel and rubber with a black finish, it is made for a secure fit and dependable service on Chrysler Voyager, Town & Country, Dodge Caravan, and Grand Caravan applications.
Key Features
- Direct-match fuel tank lock ring for sending unit service
- Steel and rubber construction for durable retention
- Black finish
- Inside diameter: 4.46 in
- Outside diameter: 6.75 in
- Lock ring diameter: 5.715 in
- Thickness and rim width: 0.081 in
- Gasket or seal included
Product Details
This Dorman fuel tank lock ring is a recommended replacement whenever the sending unit is serviced. It matches the original part form and dimensions for a secure installation at the fuel tank opening. The included seal helps support a proper interface during fuel system service, and the steel construction adds strength where the ring must hold the assembly in place. Part number 579-200 is also a direct reference for service lookups and ordering.
This part cross-references Chrysler 4809682AA and Spectra Premium LO178 for the same application.
What It Helps Solve
- Loose or damaged fuel tank sending unit retention
- Fuel tank service issues caused by a worn lock ring
- Seal concerns at the sending unit opening
- Replacement needs after fuel pump or sender service
- Fitment-related repair work on Chrysler Voyager, Town & Country, Dodge Caravan, and Grand Caravan
Installation Notes and Tips
- Verify the tank opening and sender flange match the listed dimensions before installation.
- Inspect the sealing surface and replace any damaged components during fuel system service.
- Use proper fuel system service procedures and follow vehicle-specific repair instructions.
- Confirm application by model year before ordering; Dorman 579-200 is listed for 2004-2008 Chrysler Voyager, 2004-2007 Chrysler Town & Country, 2004-2007 Dodge Caravan, and 2004 Dodge Grand Caravan.
Quality Assurance
Dorman manufactures this lock ring as a direct replacement part for OE-style fit and serviceability. Part number 579-200 is built to match the original application requirements for Chrysler and Dodge fuel tank service.
| Brand | Dorman |
|---|---|
| Part Number | 579-200 |
| Material | Rubber |
| Material | Steel |
| Color | Black |
| Inside Diameter | 4.46 |
| Thickness | 0.081 |
| Outside Diameter | 6.75 |
| Gasket Or Seal Included | Yes |
| Rim Width | 0.081 |
| Lock Ring Diameter (In) | 5.715 in |
| Package Contents | 1 lock ring; 1 o-ring |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Wheel Base | Position | Notes |
|---|---|---|---|---|---|
| 2008 | Chrysler | Voyager | N/A | ||
| 2007 | Chrysler | Town & Country | 113.3" | N/A | |
| 2007 | Chrysler | Voyager | N/A | ||
| 2007 | Dodge | Caravan | N/A | ||
| 2006 | Chrysler | Town & Country | 113.3" | N/A | |
| 2006 | Chrysler | Voyager | N/A | ||
| 2006 | Dodge | Caravan | N/A | ||
| 2005 | Chrysler | Town & Country | 113.3" | N/A | |
| 2005 | Chrysler | Voyager | N/A | ||
| 2005 | Dodge | Caravan | N/A | ||
| 2004 | Chrysler | Town & Country | N/A | ||
| 2004 | Chrysler | Voyager | N/A | ||
| 2004 | Dodge | Caravan | N/A | ||
| 2004 | Dodge | Grand Caravan | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.