Locking Fuel Cap
$23.44
BFNG
Part # MGC903SK
4.7(47 reviews)Locking Fuel Cap
Fits Buick, Cadillac, Chevrolet & more — 758 vehicle applications
Call for Price
Contact us at 1-866-461-2787 for pricing
available
Contact us at 1-866-461-2787 for pricing
Call for PriceFree ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
Will this fit your vehicle?
Select your vehicle to check fitment.
BFNG MGC903SK Vehicle Fitment
Fits 758 vehiclesThis Locking Fuel Cap fits Buick, Cadillac, Chevrolet, GMC and 4 more makes vehicles.
2007-2009 Chevrolet Aveo5
2007-2008 Chevrolet Avalanche
2007-2008 Chevrolet Cobalt
2007-2008 Chevrolet Silverado 3500 HD
2006-2009 Chevrolet Corvette
2006-2008 Chevrolet Impala
2005-2008 Chevrolet Equinox
2005-2008 Chevrolet Uplander
2004-2009 Chevrolet Malibu
2004-2008 Chevrolet Aveo
2004-2008 Chevrolet Express 1500
2004-2008 Chevrolet Express 2500
2004-2008 Chevrolet Express 3500
2004-2008 Chevrolet Silverado 1500
2004-2008 Chevrolet Silverado 2500 HD
2004-2008 Chevrolet Suburban 1500
2004-2008 Chevrolet Suburban 2500
2004-2008 Chevrolet Tahoe
BFNG MGC903SK Specifications
- Prop 65
- ADVERTENCIA: Riesgo de cáncer y daños reproductivos - www.p65warnings.ca.gov
- Prop 65
- WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
- Material
- Plastic
- Material
- Plástico
- Color
- Black
- Color
- Negro
BFNG MGC903SK Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
12F40LA521141903MGC903SK9MGC903SKMGC903SK5211703-1919
BFNG MGC903SK Product Description
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
Key Features
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
- 2 caps with matching keys
- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
About BFNG
Shop BFNG Fuel Tank Cap at Autrex with vehicle fitment details, current pricing, and checkout options for the BFNG MGC903SK. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
4.7out of 5
Based on 47 reviews
- 538
- 46
- 31
- 21
- 11
- Direct fit, no surprisesMarc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
- Shipped fast across CanadaJen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
- Good part, double-check your sideSteve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
- Quiet againAmrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
- Would buy againDaniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango
Frequently Asked Questions — BFNG MGC903SK
What vehicles does the BFNG MGC903SK fit?
The BFNG MGC903SK fits 50 vehicle applications including 2005-2009 Buick LaCrosse, 2008-2009 Buick Enclave, 2005-2009 Cadillac CTS, 2005-2009 Cadillac STS, 2005-2009 Cadillac SRX and 45 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG MGC903SK replace?
The BFNG MGC903SK is a direct replacement for 12F40LA, 5211, 41903, MGC903SK, 9MGC903SK and 3 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG MGC903SK?
Shipping options for the BFNG MGC903SK are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
What is the price of the BFNG MGC903SK?
For current pricing on the BFNG MGC903SK, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.
Is the Locking Fuel Cap a direct fit replacement?
Yes, the Locking Fuel Cap by BFNG is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Locking Fuel Cap come with?
The Locking Fuel Cap comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.
