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DormanPart #: 577-868
Dorman 577-868 Fuel Tank Filler Neck
⚙️ 12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$133.18Free 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: Chevrolet and GMC, Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic
🔄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 Filler Neck options
Dorman 577-868 Fuel Tank Filler Neck
| Brand | Dorman |
| Part Number | 577-868 |
| Material | Steel |
| Length | 15 |
| Hose Included | No |
| Color | Black |
| Mounting Hardware Included | No |
| Fuel Cap Included | No |
| Vent Line Attached | Yes |
| Vent Quantity | 1 |
| Fill Pipe Inside Diameter | 1.3125 |
| Compatible Fuel Type | Gas flex |
| Vent 1 Type | Metal and rubber tube |
| Cap Type | Twist |
| Package Contents | 1 fuel filler neck |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 Classic | Standard Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2007 | Chevrolet | Silverado 1500 Classic | Extended Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2007 | GMC | Sierra 1500 Classic | Standard Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2007 | GMC | Sierra 1500 Classic | Extended Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2006 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2006 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2006 | GMC | Sierra 1500 | Standard Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2006 | GMC | Sierra 1500 | Extended Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2005 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2005 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2005 | GMC | Sierra 1500 | Standard Cab Pickup | 5.3L | V8 | FLEX | N/A | |
| 2005 | GMC | Sierra 1500 | Extended Cab Pickup | 5.3L | V8 | FLEX | 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:
15289909FN793
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.