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★★★★★ 4.8 stars from thousands of reviews | Thousands of Customers

YOUR TRUCK IS CRYING FOR HELP. DAVE’S SECRET SAUCE CAN HELP.

Keep your truck running like new with Dave’s Secret Sauce. Our advanced fuel additive boosts fuel economy, keeps injectors clean, enhances performance, and ensures your engine operates smoothly—even in extreme weather conditions.

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Delivery Ships within 24 hours |
Guarantee Moneyback Guarantee
Manufactured in the USA Icon Manufactured in the USA
100% Moneyback Guarantee Icon 100% Moneyback Guarantee
Dave Approved Icon Dave Approved

WHAT TOP MECHANICS SAY

Dave’s Secret Sauce saved my engine during the toughest winter. I won’t fuel up without it!

Dave Sparks Avatar

Dave Sparks

8,5M+ Subscribers Artist

Noticeable power boost, better mileage, and cleaner injectors! This stuff works!

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Daves Auto

4M+ Subscribers

Dave's Secret Sauce Diesel Fuel Additive
A bottle of Dave's Secret Sauce Diesel Fuel Additive.
Dave's Secret Sauce Diesel Fuel Additive
A bottle of Dave's Secret Sauce Diesel Fuel Additive.
Comprehensive

Comprehensive

Fast Acting

Fast Acting

Affordable

Affordable

All-Weather Protection

All-Weather Protection

Choose Your Offer:

Pack Size
Rendering loop-subscriptions
$0.00 each
0.00
Purchase Options
Selling Plans
$51.64
$51.64
each
$51.64
$51.64
each
 Get a refill every week
$51.64
$51.64
each
 Get a refill every week
‍

4 bottles every month
Pause or cancel anytime
30-day money back guarantee
  • Ships within 24 Hours Mon–Fri
  • 30-Day Money Back Guarantee

HSA/FSA Eligible with Truemed.

View full details
See what Dave has to say
@DavesAutoCenter

Do I really need to add secret sauce to my engine

Dave Bell

40 Year Mechanic / 1M Followers

Why would you use a Diesel Addative?

Dave Bell

40 Year Mechanic / 1M Followers

Does It really help protect my engine?

Dave Bell

40 Year Mechanic / 1M Followers

See how secret sauce could have saved this Range Rover

Dave Bell

40 Year Mechanic / 1M Followers

Fuel pumps get destroyed without Dave's Secret Sauce

Dave Bell

40 Year Mechanic / 1M Followers
buy the sauce

Your Engines Needs Love

Daves Secret Sauces fills the gaps

85%

Of engines are losing up to $430 a year in fuel costs.

95%

Of diesel engines could use Daves Secret Sauce.

Protect my engine
Delivery Fast Delivery
Guarantee Money-Back Guarantee
Designed in the USA Icon Designed in the USA
100% Money Back Gurantee Icon 100% Money Back Gurantee
Dave Approved Icon Dave Approved

The Science Backs Up The Claims

Proven to increase fuel efficiency by up to 10%
Reduces harmful emissions by 25%
Over 40% Increased lubricity 40%
Improves cetane levels for a smoother, quieter ride 100%
Protect my engine
Delivery Ships within 24 hours |
Guarantee No BS Lifetime Warranty
Designed in the USA Icon Designed in the USA
100% Money Back Gurantee Icon 100% Money Back Gurantee
Dave Approved Icon Dave Approved

YOUR ENGINE NEEDS LOVE

Dave's Auto Center has been in diesel mechanics for over 30 years. They have seen hundreds of thousands of dollars worth of repairs that could have been prevented with Dave's Secret Sauce.

35+

Years of experience

850+

Engines built

5.3M

Social followers

1K+

Engines Fixed

5K+

Fuel Pumps Replaced

Keep your engine protected

Fast Acting | Increased Lubritcy | Increased Power | Increased Fuel Economy
⭐️⭐️⭐️⭐️⭐️ 4.8 stars from thousands of reviews | hundreds of engines

Dave's Secret Sauce Diesel Fuel Additive
A bottle of Dave's Secret Sauce Diesel Fuel Additive.
Dave's Secret Sauce Diesel Fuel Additive
A bottle of Dave's Secret Sauce Diesel Fuel Additive.
Comprehensive

Comprehensive

Fast Acting

Fast Acting

Affordable

Affordable

All-Weather Protection

All-Weather Protection

Choose Your Offer:

Pack Size
Rendering loop-subscriptions
$0.00 each
0.00
Purchase Options
Selling Plans
$51.64
$51.64
each
$51.64
$51.64
each
 Get a refill every week
$51.64
$51.64
each
 Get a refill every week
‍

4 bottles every month
Pause or cancel anytime
30-day money back guarantee
  • Ships within 24 Hours Mon–Fri
  • 30-Day Money Back Guarantee

HSA/FSA Eligible with Truemed.

View full details

Other ways to get the sauce

Dave's Secret Sauce Diesel Fuel Additive (Gallon)

Dave's Secret Sauce Diesel Fuel Additive (Gallon)

Dave's Secret Sauce Diesel Fuel Additive (Shorty)

Dave's Secret Sauce Diesel Fuel Additive (Shorty)

Dave's Secret Sauce Diesel Fuel Additive

Dave's Secret Sauce Diesel Fuel Additive

Also available in gas

Dave's Secret Sauce Gasoline Additive

Dave's Secret Sauce Gasoline Additive

Dave's Secret Sauce Gas Engine Fuel Additive Gallon

Dave's Secret Sauce Gas Engine Fuel Additive Gallon

Still Have Some Questions?

Here are some concerns that our customers had before they bought Daves Secret Sauce. All of which went away when they realized how good the product was!

Recommended Ratio:
Use 1 ounce for every 4 gallons of diesel fuel. (1 gallon treats up to 512 gallons of diesel)

When to Add:
Add the additive before or during fueling to ensure proper mixing, especially in cold weather for anti-gel protection.

We offer a full warranty on all of our services, ensuring your satisfaction and the best quality repairs.

Recommended Ratio: Use 1 ounce per 5 gallons of gasoline. (1 gallon treats up to 480 gallons of fuel) When to Add: Add directly into the gas tank before or during fueling to ensure optimal mixing.

Backed by science and real customer testimonials—this formula delivers results

Not at all! Just pour it in at the pump—quick, clean, and easy.

Absolutely! Proven to keep fuel flowing down to -10°F.

Yes! Available in single bottles and bulk options.

Yes! Reduces emissions and contains no harmful chemicals

That’s why we lead the market. Our formula outperforms the rest.

HAVE MORE QUESTIONS?
If you’re still seeking answers, don’t hesitate to reach out to us. Our team is here to assist you with any inquiries you might have.
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Dave’s Auto Center is the best equipped and most highly trained auto shop in Utah.
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