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- Automotive /
- Replacement Parts
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- Fuel System /
- Fuel Tanks & Accessories /
- Filler Necks
Product Description


OE Part Number
- 15567562
- 15712147
- FN724
- 577-243
Notes:Fuel Filler Neck -- 3-3/4 Inch, With 1 Vent, With Screw Cap Style; Gas Tank Filler Neck
Fitment:
For 1988-1991 Chevrolet C1500 Stepside
For 1988-1991 Chevrolet K1500 Stepside
For 1988-1991 GMC C1500 Stepside
For 1988-1991 GMC K1500 Stepside

COMMON FILLER NECK FAILURE SYMPTOMS
- Smell of gasoline
- Fuel vacuum leaks which will cause the "check engine" light to turn on
Attention: Failure to replace or repair the damage may cause vehicle to lose power
Common Causes of Failure
Rust is the primary cause of failure for filler necks.
- Ambient air and contaminants will cause corrosion on the outside of the filler neck,which will eventually create holes and cracks in the main pipe body causing it to leak fuel to the ground and vapors into the atmosphere.
- Cracks and holes in the vent hoses can also cause fuel to leak onto the outside of the filler neck, accelerating corrosion around the fuel tank area.
- Rust in the tank can contaminate the fuel and cause further damage to the vehicle.

Durable features
Our products reduce fuel penetration, resist chemical corrosion, which can prevent fuel leaks during refueling and last for a long time without damage.

Strict inspection
All of our products undergo rigorous quality inspections during the production process and before shipment. Each stage of production is reviewed multiple times to ensure that each component meets standards and satisfies the customer.

Replace in time
If the old fuel port is rusty, please replace it with a new one in time to ensure your driving safety and reduce the waste of gasoline or diesel.




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