20 Best Diesel Fuel Tank Locks [2024]

Are you looking for the best Diesel Fuel Tank Locks? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Diesel Fuel Tank Locks.

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# Preview Product
1 Stant Diesel Only Locking Fuel Cap, Green Stant Diesel Only Locking Fuel Cap, Green
2 Stant Saddle Tank Locking Fuel Cap for Ford L-Class Heavy Duty Trucks 1990-1998, Bronze Stant Saddle Tank Locking Fuel Cap for Ford L-Class Heavy Duty Trucks 1990-1998, Bronze
3 Stant 17510D Keyed Alike Locking Fuel/Gas Cap, 1 Pack, medium Stant 17510D Keyed Alike Locking Fuel/Gas Cap, 1 Pack, medium
4 Fuel Tank Locking Diesel Fuel Cap for Volvo & Mack PNG Tanks 2010 & Up Semi Trucks Fuel Tank Locking Diesel Fuel Cap for Volvo & Mack PNG Tanks 2010 & Up Semi Trucks
5 Fuel Tank Accessories 1/4 Turn Locking Diesel Fuel Cap for Freightliner Semi Trucks Fuel Tank Accessories 1/4 Turn Locking Diesel Fuel Cap for Freightliner Semi Trucks
6 Fuel Tank Accessories 2 3/8' Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks Fuel Tank Accessories 2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks
7 Locking Diesel Metal Fuel Cap Lock for All Peterbilt Semi Truck Models Locking Diesel Metal Fuel Cap Lock for All Peterbilt Semi Truck Models
8 Wilove Auto plastic fuel Oil Gasoline Tank,5.5L Truck Air Diesel Parking Heater Parts For Boat Car... Wilove Auto plastic fuel Oil Gasoline Tank,5.5L Truck Air Diesel Parking Heater Parts For Boat...
9 Road King Truck Parts 4' Lever Style Locking Diesel Fuel Cap for Peterbilt Road King Truck Parts 4" Lever Style Locking Diesel Fuel Cap for Peterbilt
10 Fuel Tank Lock, Reefer Fuel Tank Cap (FSS-750) Fuel Tank Lock, Reefer Fuel Tank Cap (FSS-750)
11 Fuel Tank Accessories Locking 2 1/4' Diesel Fuel Cap for Reefer/International MD Semi Trucks Fuel Tank Accessories Locking 2 1/4" Diesel Fuel Cap for Reefer/International MD Semi Trucks
12 choolo Diesel Fuel Cap for Dodge,Billet Aluminum Fuel Cap Combo Pack,Magnetic Ram Diesel Billet... choolo Diesel Fuel Cap for Dodge,Billet Aluminum Fuel Cap Combo Pack,Magnetic Ram Diesel Billet...
13 Gates 31778D Diesel Only Locking Fuel Tank Cap Gates 31778D Diesel Only Locking Fuel Tank Cap
14 Stark Universal 20-Gallon Aluminum Fuel Cell Tank Hot Rod Lightweight Polished Fuel Diesel Racing... Stark Universal 20-Gallon Aluminum Fuel Cell Tank Hot Rod Lightweight Polished Fuel Diesel Racing...
15 Road King Truck Parts Locking Aluminum Vented Diesel Fuel Cap for 3 1/2' Course Thread ASIN... Road King Truck Parts Locking Aluminum Vented Diesel Fuel Cap for 3 1/2" Course Thread ASIN...
16 GraduationService Matte Gown Cap Tassel 2018 Unisex, Black, 54(5.9-5.11)inches GraduationService Matte Gown Cap Tassel 2018 Unisex, Black, 54(5.9-5.11)inches
17 2 Freightliner Cascadia 1/4 Quarter Turn Locking Diesel Fuel Gas Caps 2 Freightliner Cascadia 1/4 Quarter Turn Locking Diesel Fuel Gas Caps
18 Gates 31778 Locking Fuel Tank Cap Gates 31778 Locking Fuel Tank Cap
19 Stant Saddle Tank Fuel Cap, black Stant Saddle Tank Fuel Cap, black
20 Flow Security Systems | VersaLock | Vented Locking Fuel Tank Cap | For Transfer Tanks & Above Ground... Flow Security Systems | VersaLock | Vented Locking Fuel Tank Cap | For Transfer Tanks & Above...
Bestseller No. 1
Stant Diesel Only Locking Fuel Cap, Green
  • Durable locking fuel cap made for a long lasting life.
  • Comes with 2 keys.
  • Unlike other aftermarket fuel caps, Stant fuel caps include all of the safety features found on the original equipment cap.
  • Customer safety is an important feature of Stant products.
  • Fit type: Vehicle Specific
SaleBestseller No. 2
Stant Saddle Tank Locking Fuel Cap for Ford L-Class Heavy Duty Trucks 1990-1998, Bronze
  • heavy duty locking fuel cap made for a long lasting life.
  • comes with 2 keys.
  • unlike other aftermarket fuel caps, stant fuel caps include all of the safety features found on the original equipment cap.
  • customer safety is an important feature of stant products.
  • Fit type: Vehicle Specific
Bestseller No. 3
Stant 17510D Keyed Alike Locking Fuel/Gas Cap, 1 Pack, medium
  • Each one of these caps uses the same keys so order as many as you need to cover the vehicles you have that take this same gas cap
  • Original equipment performance and safety standards
  • OEM quality Construction and materials
  • Replacing an old, leaky or missing gas cap can save as much as a gallon of gas every 15 days
  • A new gas cap can pay for itself in less than three months
Bestseller No. 4
Fuel Tank Locking Diesel Fuel Cap for Volvo & Mack PNG Tanks 2010 & Up Semi Trucks
  • Fits Caps w/ Inside Diameter across threads is 3".
  • Locking 8.00 Chain & 6.50 Bail with "Diesel Fuel Only".
  • Application: Volvo, & Mack truck models after 2010 with PNG tanks.
  • Includes 1 Locking Gas Cap and 1 Set of Keys
  • Sold Individually
SaleBestseller No. 5
Fuel Tank Accessories 1/4 Turn Locking Diesel Fuel Cap for Freightliner Semi Trucks
  • Cap Assembly Aluminum
  • Locking 8.00 Chain & 6.50 Bail with "Diesel Fuel Only"
  • Includes 1 Locking Gas Cap and 1 Set of Keys
  • 220°F Thermal Relief
  • SOLD INDIVIDUALLY
Bestseller No. 6
Fuel Tank Accessories 2 3/8" Locking Diesel Fuel Cap for Freightliner M2 Small Semi Box Trucks
  • Cap Assembly Aluminum Inside Diameter 2 3/8"
  • Made for Smaller Box/Day Trucks
  • Locking 8.00 Chain & 6.50 Bail with "Diesel Fuel Only"
  • Includes 1 Locking Gas Caps and 1 Set of Keys
  • Sold Individually. Keys will match if bought in pairs.
Bestseller No. 7
Locking Diesel Metal Fuel Cap Lock for All Peterbilt Semi Truck Models
  • Fits Caps w/ Inside Diameter across threads is 4".
  • Includes 1 Locking Gas Cap and 1 Set of Keys.
  • Please Select Quantity of 2 If You Need a Pair.
  • Application:Peterbilt 18 wheel models, NOT Box Trucks.
  • Sold Individually, exact specs of OEM cap.
SaleBestseller No. 8
Wilove Auto plastic fuel Oil Gasoline Tank,5.5L Truck Air Diesel Parking Heater Parts For Boat Car...
  • Large Capacity: Small size, but large capacity,which is very practical.Corrosion resistant, Durable
  • Unique : Anti-static, explosion-proof, more safely to use; It adopts thickened explosion-proof engineering plastics, anti-static, super toughness and...
  • Leakproof: Use of high quality plastic and rubber hose to ensure its durability and security, breathable leakproof. This is a perfect choice if you...
  • Application:General motors, trucks, boat, air parking heater tanks.Note: Please drill the outlet of the fuel tank according to your needs, and each...
  • Best Service: If you have any dissatisfaction or doubt about our products, please contact us through the sellers news in the first time, we will give...
Bestseller No. 9
Road King Truck Parts 4" Lever Style Locking Diesel Fuel Cap for Peterbilt
  • Locking fuel cap designed to fit Peterbilt trucks with 4” diameter fuel filler neck
  • Made of heavy-duty aluminum, this cap is not vented, cap contains pressure relief
  • Cap is a male fitting and does not contain threads, Includes rubber O ring and 13” safety chain with 7” bail
  • Supplied with 2 matching keys (keys are not available separately), for diesel applications only
  • Replaces: Paccar️#11-04859-200 Velvac️#600212 FTA️#FTA-C-67-P
Bestseller No. 10
Fuel Tank Lock, Reefer Fuel Tank Cap (FSS-750)
  • Suitable for use on below ground and above ground oil heating storage tanks. Also for use on refrigerated trailer (reefer) tanks.
  • Made from heavy duty corrosion resistant material for years of reliable use. The FSS750 is a sealed cap and should only be used with a vented tank....
  • Tubular lock and key with over 50,000 combinations. Locks can be key alike for multiple use convenience.
  • Cap has a weather proof self closing latch covering the face of the lock to prevent dust,dirt,debris and moisture from entering the lock.
  • Fits all 2" standard male threads or can be used with a 750-200 adapter (included) to convert to a 2" standard female thread. Quick Fill and BSP...
Bestseller No. 11
Fuel Tank Accessories Locking 2 1/4" Diesel Fuel Cap for Reefer/International MD Semi Trucks
  • 1 Locking Gas Cap and 1 Set of Keys
  • Measure fuel tank filler neck for OD of 2 1/4 in
  • Designed for use only on international and ford 650/750
  • Fuel Tank must be vented
  • Fuel Cap ID of 2 1/4 in
Bestseller No. 12
choolo Diesel Fuel Cap for Dodge,Billet Aluminum Fuel Cap Combo Pack,Magnetic Ram Diesel Billet...
  • 【Application】Diesel Fuel Caps Used for 2013 -2021 Ram 1500 2500 3500 diesel trucks with a capless fuel system, Cummins and Eco-diesel vehicles...
  • 【Magnetic】Neodymium magnet in bottom of fuel cap. When refueling simply place the fuel cap against the steel fuel door and the magnet will...
  • 【High Quality】Both caps are CNC Machined made from 6061-T6 Light weight Aluminum, for longer-lasting durability and reliability over your stock...
  • 【Convenient】Easy installation to replace the old with our dual O-ring system caps to protect your diesel engine from dirt, dust and grime.
  • 【Package】1*Magnetic Green Ram Diesel Fuel Cap & 1* Blue DEF Cap compatible with Dodge Ram Exhaust Fluid.
Bestseller No. 13
Gates 31778D Diesel Only Locking Fuel Tank Cap
  • Heavy Duty versions of our innovative, durable fuel caps are available to fit all industrial and diesel engine applications
  • Gates - Driven By Possibility
Bestseller No. 14
Stark Universal 20-Gallon Aluminum Fuel Cell Tank Hot Rod Lightweight Polished Fuel Diesel Racing...
  • Universal application to hot rod, street racing, track cars, drift, truck, SUVs etc
  • It is filled with an open-cell foam core to prevent explosion of vapor in the empty portion of the tank and to minimize sloshing of fuel during...
  • Made from high quality aluminum material for extra protection, light weight, sturdy, durable and not easy to rust, it can protect the inner liquid in...
  • Fuel cells can provide more reliable power wherever electricity is needed, making the whole electric power grid more robust and reliable
  • Easy to install and maintain, Include a fuel tank with oil level sensor and replaceable anti slosh foam in tank
Bestseller No. 15
Road King Truck Parts Locking Aluminum Vented Diesel Fuel Cap for 3 1/2" Course Thread ASIN...
  • PLEASE MEASURE FILLER NECK BEFORE PURCHASE! Female Fitting, Vented Locking, 3 1/2" Nominal Size, 5 1/2 Threads/Inch For diesel applications only
  • Safety Chain and crossbar are standard Supplied with 2 matching keys (Keys not available separately)
  • Meets 49 CFR 393.67 requirements for vehicles built after October 1985
  • Across Threads - Filler Neck 3 1/2" Across Threads - Cap 3 7/16"
Bestseller No. 16
GraduationService Matte Gown Cap Tassel 2018 Unisex, Black, 54(5.9-5.11)inches
  • What You Get: 1 graduation gown + 1 graduation cap + 1 color matched graduation tassel +1 gold graduation 2022 year charm
  • Graduation Gown is Made of 100% Woven Polyester with a Matte Finish. It's Soft and Comfortable to Wear.
  • Academic Gown Has a Hidden Color Matching Zipper and Strong Center Pleats on the Front and Back Shoulders.
  • High School Graduation Gown Cap are the Best Quality in the Industry. It Can Be Use From Middle & High School and Also for College Graduation Ceremony
  • All of our orders ship from the USA! Contact us for bulk quantity discounts!
Bestseller No. 17
2 Freightliner Cascadia 1/4 Quarter Turn Locking Diesel Fuel Gas Caps
  • Pair of Freightliner Gas Caps
  • Lockable - Includes 2 keys per cap
  • Quarter Turn Style
  • Aluminum
  • Diesel Only
Bestseller No. 18
Gates 31778 Locking Fuel Tank Cap
  • Two-way action pressure relief/vacuum relief valve allows the fuel tank to breathe while preventing the escape of fuel fumes
  • Seals are compounded from fuel-resistant rubber
  • Locking Mechanism Deters Fuel Theft & Vandalism
  • Comes with 2 Keys
  • Lock Opens with 1/4 Turn of Key
Bestseller No. 19
Stant Saddle Tank Fuel Cap, black
  • Heavy duty fuel cap to replace lost or worn fuel cap.
  • Made of durable material for a long lasting life.
  • Unlike other aftermarket fuel caps, Stant fuel caps include all of the safety features found on the original equipment cap.
  • Customer safety is an important feature of Stant products.
Bestseller No. 20
Flow Security Systems | VersaLock | Vented Locking Fuel Tank Cap | For Transfer Tanks & Above Ground...
  • PREVENT UNAUTHORIZED USE: The Flow Security Systems PRE-VENT Fuel Cap is a quick and inexpensive way to safeguard costly fuel and oil from theft,...
  • MULTIPLE USE: The FFS 754 is designed for use on mobile fuel transfer tanks as well as above ground commercial gas and distillate tanks. The VersaLock...
  • KEYED DIFFERENTLY OR THE SAME: The Versa Lock can be keyed alike so that multiple fuel caps can be secured with the convenience of having only one...
  • BUILT IN VALVE: The FSS-754 uses built in valves to equalize the pressure and vacuum. Pressure vent valve allows pressure relief valve to open at 1.5...
  • PATENTED DESIGN: The FSS 754 is different from any other cap on the market today. It is designed with our patented "free-spinning" technology. When...

Having trouble finding a great Diesel Fuel Tank Locks?

This problem is well understood by us because we have gone through the entire Diesel Fuel Tank Locks research process ourselves, which is why we have put together a comprehensive list of the best Diesel Fuel Tank Lockss available in the market today.

After hours of searching and using all the models on the market, we have found the best Diesel Fuel Tank Locks for 2023. See our ranking below!

How Do You Buy The Best Diesel Fuel Tank Locks?

Do you get stressed out thinking about shopping for a great Diesel Fuel Tank Locks? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Diesel Fuel Tank Locks, which is why we have assembled a comprehensive list of the greatest Diesel Fuel Tank Locks available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Diesel Fuel Tank Locks that you consider buying. Your questions might include the following:

  • Is it worth buying an Diesel Fuel Tank Locks?
  • What benefits are there with buying an Diesel Fuel Tank Locks?
  • What factors deserve consideration when shopping for an effective Diesel Fuel Tank Locks?
  • Why is it crucial to invest in any Diesel Fuel Tank Locks, much less the best one?
  • Which Diesel Fuel Tank Locks are good in the current market?
  • Where can you find information like this about Diesel Fuel Tank Locks?

We’re convinced that you likely have far more questions than just these regarding Diesel Fuel Tank Locks, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Diesel Fuel Tank Locks, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Diesel Fuel Tank Locks. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Diesel Fuel Tank Locks buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Diesel Fuel Tank Locks currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Diesel Fuel Tank Locks has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Diesel Fuel Tank Locks?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Diesel Fuel Tank Locks.
  5. Customer Ratings: Number ratings grade Diesel Fuel Tank Locks objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Diesel Fuel Tank Locks.
  7. Product Quality: You don’t always get what you pay for with an Diesel Fuel Tank Locks, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Diesel Fuel Tank Locks is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Diesel Fuel Tank Locks information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Diesel Fuel Tank Locks is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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