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Dorman 577-243 Fuel Tank Filler NeckOE Quality 60-Day Returns
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Part #: 577-243

Dorman 577-243 Fuel Tank Filler Neck

⚙️ 37 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$76.61Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
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*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 and GMC, C1500 and K1500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Dorman 577-243 Fuel Tank Filler Neck
BrandDorman
Part Number577-243
MaterialSteel
Length4.1
Fuel Cap IncludedNo
Fill Pipe Inside Diameter1.5
Package Contents1 fuel filler neck

This part fits 37 vehicles. Search below:

YearMakeModelBed TypeLitersCylindersPositionNotes
1991ChevroletC1500Stepside4.3LV6N/A
1991ChevroletC1500Stepside5.7LV8N/A
1991ChevroletC1500Stepside5.0LV8N/A
1991ChevroletK1500Stepside4.3LV6N/A
1991ChevroletK1500Stepside5.7LV8N/A
1991ChevroletK1500Stepside5.0LV8N/A
1991GMCC1500Stepside4.3LV6N/A
1991GMCC1500Stepside5.7LV8N/A
1991GMCC1500Stepside5.0LV8N/A
1991GMCK1500Stepside4.3LV6N/A
1991GMCK1500Stepside5.7LV8N/A
1991GMCK1500Stepside5.0LV8N/A
1990ChevroletC1500Stepside6.2LV8N/A
1990ChevroletC1500Stepside4.3LV6N/A
1990ChevroletC1500Stepside7.4LV8N/A
1990ChevroletC1500Stepside5.7LV8N/A
1990ChevroletC1500Stepside5.0LV8N/A
1990ChevroletK1500Stepside6.2LV8N/A
1990ChevroletK1500Stepside4.3LV6N/A
1990ChevroletK1500Stepside5.7LV8N/A
1990ChevroletK1500Stepside5.0LV8N/A
1990GMCC1500Stepside6.2LV8N/A
1990GMCC1500Stepside4.3LV6N/A
1990GMCC1500Stepside5.7LV8N/A
1990GMCC1500Stepside5.0LV8N/A
1990GMCK1500Stepside6.2LV8N/A
1990GMCK1500Stepside4.3LV6N/A
1990GMCK1500Stepside5.7LV8N/A
1990GMCK1500Stepside5.0LV8N/A
1989ChevroletC1500StepsideN/A
1989ChevroletK1500StepsideN/A
1989GMCC1500StepsideN/A
1989GMCK1500StepsideN/A
1988ChevroletC1500StepsideN/A
1988ChevroletK1500StepsideN/A
1988GMCC1500StepsideN/A
1988GMCK1500StepsideN/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:

15567562FN724SKFN724

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

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