HomeAir and Fuel Delivery > Fuel StorageDorman 577-945 Fuel Tank Filler Neck - Lower or Upper
Part #: 577-945

Dorman 577-945 Fuel Tank Filler Neck - Lower or Upper

Lower and Upper
⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$167.50Free 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.
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✅ 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, GMC, and Oldsmobile, Blazer, Bravada, and Jimmy
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Dorman 577-945 Fuel Tank Filler Neck - Lower or Upper
BrandDorman
Part Number577-945
MaterialSteel
Length29.3
Fuel Cap IncludedNo
Fill Pipe Inside Diameter2
Package Contents1 fuel filler neck

This part fits 10 vehicles. Search below:

YearMakeModel# DoorsPositionNotes
1996ChevroletBlazer4 DoorLower2 Pieces
1996ChevroletBlazer4 DoorUpper2 Pieces
1996GMCJimmy4 DoorLower2 Pieces
1996GMCJimmy4 DoorUpper2 Pieces
1996OldsmobileBravadaLower2 Pieces
1996OldsmobileBravadaUpper2 Pieces
1995ChevroletBlazer4 DoorLower2 Pieces
1995ChevroletBlazer4 DoorUpper2 Pieces
1995GMCJimmy4 DoorLower2 Pieces
1995GMCJimmy4 DoorUpper2 Pieces

* 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:

15712082FN720SK577947

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.