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DormanPart #: 577-347
Dorman 577-347 Fuel Tank Filler Neck
⚙️ 21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$331.57Free 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: Dodge and Ram, 2500, 3500, Ram 2500, and Ram 3500
🔄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 577-347 Fuel Tank Filler Neck
| Brand | Dorman |
| Part Number | 577-347 |
| Material | Steel |
| Length | 6.6 |
| Fuel Cap Included | No |
| Fill Pipe Inside Diameter | 1.5 |
| Package Contents | 1 fuel filler neck |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Ram | 2500 | 6.7L | L6 | N/A | No Bed | |||
| 2017 | Ram | 2500 | 6.7L | L6 | N/A | No Bed | |||
| 2016 | Ram | 2500 | 6.7L | L6 | N/A | No Bed | |||
| 2016 | Ram | 3500 | 6.7L | L6 | N/A | No Bed | |||
| 2015 | Ram | 2500 | 6.7L | L6 | N/A | No Bed | |||
| 2015 | Ram | 3500 | 6.7L | L6 | N/A | No Bed | |||
| 2014 | Ram | 2500 | 6.7L | L6 | N/A | No Bed | |||
| 2014 | Ram | 3500 | 6.7L | L6 | N/A | No Bed | |||
| 2013 | Ram | 2500 | 6.7L | L6 | N/A | No Bed | |||
| 2013 | Ram | 3500 | 6.7L | L6 | N/A | No Bed | |||
| 2012 | Ram | 3500 | 6.7L | L6 | N/A | No Bed | |||
| 2011 | Ram | 3500 | 6.7L | L6 | N/A | No Bed | |||
| 2010 | Dodge | Ram 3500 | 4WD | DIESEL | N/A | Sweptline Box; Housing Assembly; Includes Filler Tube; No Bed | |||
| 2008 | Dodge | Ram 3500 | Cab & Chassis | 4WD | 5.9L | L6 | DIESEL | N/A | No Bed |
| 2006 | Dodge | Ram 3500 | Cab & Chassis | 5.9L | L6 | DIESEL | N/A | No Bed | |
| 2005 | Dodge | Ram 2500 | Cab & Chassis | 5.9L | L6 | DIESEL | N/A | No Bed | |
| 2005 | Dodge | Ram 3500 | Cab & Chassis | 5.9L | L6 | DIESEL | N/A | No Bed | |
| 2004 | Dodge | Ram 2500 | Cab & Chassis | 5.9L | L6 | DIESEL | N/A | No Bed | |
| 2004 | Dodge | Ram 3500 | Cab & Chassis | 5.9L | L6 | DIESEL | N/A | No Bed | |
| 2003 | Dodge | Ram 2500 | Cab & Chassis | 5.9L | L6 | DIESEL | N/A | No Bed | |
| 2003 | Dodge | Ram 3500 | Cab & Chassis | 5.9L | L6 | DIESEL | N/A | No Bed |
* 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:
52121252AAFN1006
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.