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DormanPart #: 577-326
Dorman 577-326 Fuel Tank Filler Neck
⚙️ 27 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$152.63Free 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: Cadillac, Chevrolet, and GMC, Avalanche, Escalade, Suburban 1500, Tahoe, Yukon, and Yukon XL 1500
🔄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 577-326 Fuel Tank Filler Neck
| Brand | Dorman |
| Part Number | 577-326 |
| Material | Steel |
| Length | 35 |
| Fuel Cap Included | No |
| Fill Pipe Inside Diameter | 1.281 |
| Package Contents | Filler neck; 2 hoses; ground wire |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Cadillac | Escalade | N/A | w/Cylinder Deactivation | ||
| 2014 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2014 | GMC | Yukon | N/A | w/Cylinder Deactivation | ||
| 2013 | Cadillac | Escalade | N/A | w/Cylinder Deactivation | ||
| 2013 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2013 | GMC | Yukon | N/A | w/Cylinder Deactivation | ||
| 2012 | Cadillac | Escalade | N/A | w/Cylinder Deactivation | ||
| 2012 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2012 | GMC | Yukon | N/A | w/Cylinder Deactivation | ||
| 2011 | Cadillac | Escalade | N/A | w/Cylinder Deactivation | ||
| 2011 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2011 | GMC | Yukon | N/A | w/Cylinder Deactivation | ||
| 2010 | Cadillac | Escalade | N/A | w/Cylinder Deactivation | ||
| 2010 | Chevrolet | Avalanche | N/A | w/Cylinder Deactivation | ||
| 2010 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2010 | GMC | Yukon | N/A | w/Cylinder Deactivation | ||
| 2009 | Cadillac | Escalade | N/A | w/Cylinder Deactivation | ||
| 2009 | Chevrolet | Avalanche | N/A | w/Cylinder Deactivation | ||
| 2009 | Chevrolet | Suburban 1500 | N/A | w/Cylinder Deactivation | ||
| 2009 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2009 | GMC | Yukon | N/A | w/Cylinder Deactivation | ||
| 2009 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | |
| 2009 | GMC | Yukon XL 1500 | 6.0L | V8 | N/A | |
| 2008 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2008 | GMC | Yukon | N/A | w/Cylinder Deactivation | ||
| 2007 | Chevrolet | Tahoe | N/A | w/Cylinder Deactivation | ||
| 2007 | GMC | Yukon | N/A | w/Cylinder Deactivation |
* 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:
10390317FN779
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.