Locking Fuel Cap
$23.44
BFNG
Part # MGC840T
4.7(47 reviews)Tethered Fuel Cap
Fits Cadillac, Chevrolet, Buick & more — 901 vehicle applications
$20.92
Only 4 left in stock
1
Express Checkout
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
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BFNG MGC840T Vehicle Fitment
Fits 901 vehiclesThis Tethered Fuel Cap fits Cadillac, Chevrolet, Buick, GMC and 4 more makes vehicles.
2007-2009 Chevrolet Aveo5
2007-2008 Chevrolet Avalanche
2007-2008 Chevrolet Cobalt
2007-2008 Chevrolet Silverado 3500 HD
2006-2008 Chevrolet Impala
2006-2008 Chevrolet Corvette
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 MGC840T 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 MGC840T Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
MGC840TMGC840TMGC840TMGC840TMGC840TMGC840TMGC840TGT3356840T9MGC840T10848T10841TMGC840T703-1897
BFNG MGC840T 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
- Come pre-assembled for quick and easy installation.
- Fits vehicles orginally equipped with tether
- Manufactured from durable, long-life materials
- Several fastener options to work with any fuel cap compartment configuration
- Reduces air pollution with proper sealing and venting
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 MGC840T. 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 MGC840T
What vehicles does the BFNG MGC840T fit?
The BFNG MGC840T fits 50 vehicle applications including 2005-2009 Cadillac CTS, 2005-2009 Cadillac STS, 2005-2009 Cadillac SRX, 2004-2009 Chevrolet Malibu, 2007-2009 Chevrolet Aveo5 and 45 more. Check the full fitment list above to confirm your vehicle.
What parts does the BFNG MGC840T replace?
The BFNG MGC840T is a direct replacement for MGC840T, MGC840T, MGC840T, MGC840T, MGC840T and 9 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the BFNG MGC840T?
Shipping options for the BFNG MGC840T 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.
How much does the BFNG MGC840T cost?
The BFNG MGC840T is currently listed at $20.92 CAD at Autrex. Final price, shipping, taxes, and availability are confirmed during checkout. Call 1-866-461-2787 if you need help before ordering.
Is the Tethered Fuel Cap a direct fit replacement?
Yes, the Tethered 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 Tethered Fuel Cap come with?
The Tethered Fuel Cap comes with the standard BFNG manufacturer warranty. Please check the product specifications for exact warranty terms.
