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Let’s search for parts that fit your vehicle.Locking Gas Caps in Gas Caps and Fuel Doors(115)
SP1 AT-07559 Locking Gas Tank Cap $38.74

SP1 AT-07559 Locking Gas Tank Cap
Best seller CST Corp Locking Fuel Cap for Automotive Fuel Tanks $10.44

CST Corp Locking Fuel Cap for Automotive Fuel Tanks
Motorad MGC-903 Locking Fuel Cap $15.23

Motorad MGC-903 Locking Fuel Cap
Best seller Stant Fuel Cap,Locking,1-49/64 in. Dia. MGC791 $19.00 Was $23.99

Stant Fuel Cap,Locking,1-49/64 in. Dia. MGC791
Motorad MGC-900 Locking Fuel Cap $13.28

Motorad MGC-900 Locking Fuel Cap
Motorad MGC607 Locking Fuel Cap Fits select: 2005-2020 DODGE GRAND CARAVAN, 2008-2016 CHRYSLER TOWN & COUNTRY $7.45

Motorad MGC607 Locking Fuel Cap Fits select: 2005-2020 DODGE GRAND CARAVAN, 2008-2016 CHRYSLER TOWN & COUNTRY
Motorad MGC-904 Locking Fuel Cap $15.10

Motorad MGC-904 Locking Fuel Cap
Motorad MGC-794 Locking Fuel Cap $9.54

Motorad MGC-794 Locking Fuel Cap
Fuel Tank Gas Cap with Tether Non-Locking - Compatible with 2007 - 2017 Jeep Patriot 2008 2009 2010 2011 2012 2013 2014 2015 2016 $19.95

Fuel Tank Gas Cap with Tether Non-Locking - Compatible with 2007 - 2017 Jeep Patriot 2008 2009 2010 2011 2012 2013 2014 2015 2016
Keyed Alike Locking Fuel Cap $14.29

Keyed Alike Locking Fuel Cap
Gates 31858 Locking Fuel Tank Cap Fits select: 2002-2004 GMC ENVOY, 2004-2005 CHEVROLET EXPRESS G3500 $10.61

Gates 31858 Locking Fuel Tank Cap Fits select: 2002-2004 GMC ENVOY, 2004-2005 CHEVROLET EXPRESS G3500
Motorad MGC206KAY Keyed Alike Locking Fuel Cap Fits select: 2012-2017 CHEVROLET SILVERADO, 2010-2017 CHEVROLET EQUINOX $16.43

Motorad MGC206KAY Keyed Alike Locking Fuel Cap Fits select: 2012-2017 CHEVROLET SILVERADO, 2010-2017 CHEVROLET EQUINOX
ewbo A0067A0011 Secure Your Fuel System: Non-Locking Gas Cap Fuel Filler Neck Cap $10.71 Was $12.60

ewbo A0067A0011 Secure Your Fuel System: Non-Locking Gas Cap Fuel Filler Neck Cap
Crown Automotive 52003774 CAS52003774 FUEL CAP (NON-LOCKING) Fits select: 1997 DODGE RAM 1500, 1997-2000 JEEP WRANGLER / TJ $14.48 $14.48/count

Crown Automotive 52003774 CAS52003774 FUEL CAP (NON-LOCKING) Fits select: 1997 DODGE RAM 1500, 1997-2000 JEEP WRANGLER / TJ
Motorad MGC-802 Locking Fuel Cap $15.05

Motorad MGC-802 Locking Fuel Cap
Keyed Alike Locking Fuel Cap $16.43

Keyed Alike Locking Fuel Cap
Fuel Tank Gas Cap with Tether, Non-Locking - Compatible with 2008 - 2019 Dodge Challenger 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 $19.95

Fuel Tank Gas Cap with Tether, Non-Locking - Compatible with 2008 - 2019 Dodge Challenger 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
Fuel Tank Cap - with Tether - Non Locking - Compatible with 2000 - 2004 Chevy Suburban 1500 5.3L V8 2001 2002 2003 $14.95

Fuel Tank Cap - with Tether - Non Locking - Compatible with 2000 - 2004 Chevy Suburban 1500 5.3L V8 2001 2002 2003
Keyed Alike Locking Fuel Cap $21.61

Keyed Alike Locking Fuel Cap
Fuel Tank Gas Cap - Non Locking - with Tether - Compatible with 2002 - 2020 Mini Cooper 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 $20.95

Fuel Tank Gas Cap - Non Locking - with Tether - Compatible with 2002 - 2020 Mini Cooper 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Gates 31860 Locking Fuel Tank Cap Fits select: 2006-2011 BUICK LUCERNE, 2005-2009 PONTIAC G6 $18.79

Gates 31860 Locking Fuel Tank Cap Fits select: 2006-2011 BUICK LUCERNE, 2005-2009 PONTIAC G6
Motorad Mgc-774 Locking Fuel Cap Fits select: 1977-1978 FORD F150, 1977-1978 FORD F250 $11.36

Motorad Mgc-774 Locking Fuel Cap Fits select: 1977-1978 FORD F150, 1977-1978 FORD F250
ACDelco GM Original Equipment GT377 Fuel Tank Filler Locking Cap Fits select: 2019-2022 CHEVROLET SILVERADO, 2019-2022 GMC SIERRA $22.06

ACDelco GM Original Equipment GT377 Fuel Tank Filler Locking Cap Fits select: 2019-2022 CHEVROLET SILVERADO, 2019-2022 GMC SIERRA
Fuel Tank Gas Cap with Tether - Non-Locking - Compatible with 2001 - 2013 Jeep Grand Cherokee 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 $19.95

Fuel Tank Gas Cap with Tether - Non-Locking - Compatible with 2001 - 2013 Jeep Grand Cherokee 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Gates 31844Y Flex Fuel Locking Fuel Tank Cap Fits select: 2004-2011 CHEVROLET SILVERADO, 2004-2011 CHEVROLET TAHOE $24.38

Gates 31844Y Flex Fuel Locking Fuel Tank Cap Fits select: 2004-2011 CHEVROLET SILVERADO, 2004-2011 CHEVROLET TAHOE
MotoRad Fuel Tank Gas Cap compatible with GMC Sierra 2500 HD 6.6L V8 2001- basic non-locking $13.38

MotoRad Fuel Tank Gas Cap compatible with GMC Sierra 2500 HD 6.6L V8 2001- basic non-locking
MotoRad MGC-905 Locking Fuel Cap - Mazda 3 (04-09) 5 (06-10) Ford Transit Connect (10-13) Land Rover Range Rover Sport (07-15) LR3 (05-09) Volvo S40 (04-12) C70 (06-13) Jaguar XF (09-21) $16.65

MotoRad MGC-905 Locking Fuel Cap - Mazda 3 (04-09) 5 (06-10) Ford Transit Connect (10-13) Land Rover Range Rover Sport (07-15) LR3 (05-09) Volvo S40 (04-12) C70 (06-13) Jaguar XF (09-21)
Gates 31846 Locking Fuel Tank Cap Fits select: 2012-2021 HYUNDAI ELANTRA, 2006-2019 HYUNDAI SONATA $15.11

Gates 31846 Locking Fuel Tank Cap Fits select: 2012-2021 HYUNDAI ELANTRA, 2006-2019 HYUNDAI SONATA
Car Stant Regular Locking Fuel Cap 5491435,10506 $19.81

Car Stant Regular Locking Fuel Cap 5491435,10506
Motorad MGC208KA Keyed Alike Locking Fuel Cap Fits select: 2002-2004 CHEVROLET TRAILBLAZER, 1998-2005 BUICK LESABRE $20.35

Motorad MGC208KA Keyed Alike Locking Fuel Cap Fits select: 2002-2004 CHEVROLET TRAILBLAZER, 1998-2005 BUICK LESABRE
OE # 52124512AA Non Locking Gas Cap Fuel Filler Neck Cap 1PC Fits select: 2015-2017 CHRYSLER 200 LIMITED, 2011-2013 JEEP GRAND CHEROKEE LAREDO $10.40 Was $13.00

OE # 52124512AA Non Locking Gas Cap Fuel Filler Neck Cap 1PC Fits select: 2015-2017 CHRYSLER 200 LIMITED, 2011-2013 JEEP GRAND CHEROKEE LAREDO
Fuel Tank Gas Cap with Tether - Non-Locking - Compatible with 2002 - 2012 Jeep Liberty 2003 2004 2005 2006 2007 2008 2009 2010 2011 $19.95

Fuel Tank Gas Cap with Tether - Non-Locking - Compatible with 2002 - 2012 Jeep Liberty 2003 2004 2005 2006 2007 2008 2009 2010 2011
Keyed Alike Locking Fuel Cap $21.78

Keyed Alike Locking Fuel Cap
Keyed Alike Locking Fuel Cap $16.49

Keyed Alike Locking Fuel Cap
United Pacific S1301 Triple Chrome Vented Locking Gas Cap w/2 Keys for Various 1947-71 Chevy & Ford Vehicles, All Metal Cap One Cap w/2 Keys $22.95

United Pacific S1301 Triple Chrome Vented Locking Gas Cap w/2 Keys for Various 1947-71 Chevy & Ford Vehicles, All Metal Cap One Cap w/2 Keys
Gates 31781 Locking Fuel Tank Cap Fits select: 1985-2006,2011-2013 VOLKSWAGEN JETTA $10.44

Gates 31781 Locking Fuel Tank Cap Fits select: 1985-2006,2011-2013 VOLKSWAGEN JETTA
OE # 5491435 Stant Regular Locking Fuel Tank Cap 1PC Fits select: 1998-2005 BUICK LESABRE CUSTOM, 2000-2005 CHEVROLET IMPALA $19.78 Was $24.73

OE # 5491435 Stant Regular Locking Fuel Tank Cap 1PC Fits select: 1998-2005 BUICK LESABRE CUSTOM, 2000-2005 CHEVROLET IMPALA
Stant 10589 Regular Locking Fuel Cap Fits select: 1987 DODGE SHELBY, 1984 DODGE OMNI $19.54

Stant 10589 Regular Locking Fuel Cap Fits select: 1987 DODGE SHELBY, 1984 DODGE OMNI
Motorad MGC213KA Keyed Alike Locking Fuel Cap Fits select: 2004-2013 CHEVROLET SILVERADO, 2004-2013 CHEVROLET TAHOE $22.01

Motorad MGC213KA Keyed Alike Locking Fuel Cap Fits select: 2004-2013 CHEVROLET SILVERADO, 2004-2013 CHEVROLET TAHOE
Fuel Tank Gas Cap with Tether - Non-Locking - Compatible with 2009 - 2012 Subaru Forester 2010 2011 $19.95

Fuel Tank Gas Cap with Tether - Non-Locking - Compatible with 2009 - 2012 Subaru Forester 2010 2011
Popular in Locking Gas Caps in Gas Caps and Fuel Doors - Walmart.com
FAQ
How do I pick the right locking gas cap for my vehicle?
Choosing the right locking gas cap involves a few key steps to ensure compatibility and security:
- Check your vehicle's make and model: Some locking caps are designed for specific vehicles, so verify fitment details.
- Consider material and durability: Options include metal, plastic, or aluminum—metal caps often offer better security.
- Look for keyed alike options: If you want all your locks to use the same key, this feature can be convenient.
- Review customer ratings and reviews: These can provide insight into ease of installation and reliability.
By matching your vehicle's requirements and personal preferences, you can find a locking gas cap that fits well and helps protect your fuel.
What problems can happen if my gas cap is loose or missing?
A loose or missing gas cap can lead to several issues affecting your vehicle's performance and safety:
- Fuel evaporation: Gasoline can evaporate, wasting fuel and increasing emissions.
- Check engine light: Many modern cars detect fuel system leaks caused by a loose cap, triggering a warning light.
- Contamination risk: Dirt and debris can enter the fuel tank, potentially harming the engine.
- Reduced fuel efficiency: A compromised seal can affect fuel pressure and efficiency.
Replacing or tightening your gas cap promptly helps maintain your vehicle's proper function and can prevent costly repairs.
How do locking gas caps help prevent fuel theft?
Locking gas caps add an extra layer of security to your vehicle's fuel system by:
- Restricting access: They require a key to open, making it harder for thieves to siphon fuel.
- Deterring tampering: Visible locks can discourage opportunistic theft or vandalism.
- Protecting fuel quality: Prevent unauthorized access that could lead to contamination.
While no security measure is foolproof, locking gas caps are a practical way to reduce the risk of fuel theft and provide peace of mind.
Can I use an aftermarket locking gas cap safely on my car?
Aftermarket locking gas caps can be a safe and effective alternative to original equipment, provided you consider a few points:
- Compatibility: Ensure the cap fits your vehicle's fuel tank opening and threading.
- Quality materials: Choose caps made from durable materials like metal or high-grade plastic for longevity.
- Proper sealing: The cap should create a tight seal to prevent leaks and maintain fuel system pressure.
- Installation: Follow manufacturer instructions carefully to avoid damage.
Many aftermarket options offer good security and function, but verifying fit and quality helps maintain your vehicle's performance and safety.
What maintenance tips keep locking gas caps working well?
Regular care can extend the life and effectiveness of your locking gas cap. Here are some helpful tips:
- Clean the cap and fuel neck: Remove dirt or debris that can interfere with sealing or locking mechanisms.
- Lubricate the lock: Use a graphite-based lubricant occasionally to keep the key turning smoothly.
- Check the seal: Inspect the rubber gasket for cracks or wear and replace if needed to maintain a tight seal.
- Store keys safely: Keep your keys in a secure place and consider having a spare in case of loss.
Following these steps helps ensure your locking gas cap continues to protect your fuel system effectively.