We heard that this product only needs to be used twice a year, does anyone know if it says this on the bottle?

So?? Which came first?! My bottle says 6,000 miles… this bottle is about 10 months old. I’d really like to know if the manufacturer recommends 6k or 6 months! Thanks

Would this product be suitable for a 1.6 Diesel engine in our family car?

I use it it a 1.9 TDI and 2 7.3 diesels.

Has anyone used this with a TDI with DEF / Urea?

It is specifically designed for restoring the performance of diesel engines so yea it will be fine in your TDI just make sure you follow instructions don't mix it too strong or your car will run like a raped ape for a minute

I want to use this in a diesel parking heater to try and remove some of the carbon buildup inside the burn chamber. Do you think this would do that?

It is very unlikely that using Diesel Extreme will remove carbon that is already built up in your heater. It is best used as a preventative to combat the amount of soot/carbon build up. Another note is that unfortunately, Diesel Extreme is very odorous and using it in an open heating element may cause some unpleasant odors.

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Hot Shot's Secret Diesel Extreme – 1 Gallon –Diesel Fuel Additive – Concentrated Fuel Injector Cleaner – Cetane Booster – Increases Mileage – Eliminates Black Smoke

Hot Shot's Secret Diesel Extreme – 1 Gallon –Diesel Fuel Additive – Concentrated Fuel Injector Cleaner – Cetane Booster – Increases Mileage – Eliminates Black Smoke

Product ID: 453477869

Details

Brand
Hot Shot's
Item Form
Liquid
Item Volume
128 Fluid
Item Weight
3.51 kg
Material Feature
Alcohol Free
Number of Items
1

⛽Boosts cetane by 7 points

⚙️Prevents rust & disperses moisture

🛢️Cleans fuel system up to 6,000 miles

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135499 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Fuel your diesel’s potential and leave black smoke in the dust! ⛽

MAXIMIZE EVERY MILE - Enhance fuel economy and engine performance to save at the pump and extend your diesel’s life.
DEEP CLEAN LONG DRIVE - One treatment cleans injectors, cylinders, lines & tank for up to 6,000 miles—keep your diesel engine pristine.
RUST MOISTURE DEFENSE - Military-grade water dispersant and corrosion inhibitors protect your fuel system from damage and downtime.
POWER PACKED CETANE BOOST - Increase cetane by up to 7 points for sharper combustion, more horsepower, and fewer DPF regens.
UNIVERSAL DIESEL SOLUTION - Trusted by semi-trucks, pickups, farm & marine equipment, and even racing vehicles—one additive to rule them all.

Hot Shot's Secret Diesel Extreme is a concentrated diesel fuel additive that deeply cleans your entire fuel system, removes injector deposits, boosts cetane by up to 7 points, increases mileage, and protects against rust and moisture. Suitable for all diesel engines, it delivers up to 6,000 miles of enhanced performance and efficiency in one treatment.

Specifications

ASIN	B086DWKK29
Brand	Hot Shot's Secret
Brand Name	Hot Shot's Secret
Contains Liquid Contents?	Yes
Customer Reviews	4.7 out of 5 stars 458 Reviews
Included Components	Diesel Extreme 1 Gallon
Item Form	Liquid
Item Type Name	Fuel Additive
Item Volume	128 Fluid Ounces
Item Weight	7.74 Pounds
Manufacturer	Lubrication Specialties, Inc.
Material Feature	Alcohol Free
Material Features	Alcohol Free
Number of Items	1
Scent	Unscented
Special Features	Concentrated
Specific Uses For Product	--
Surface Recommendation	Metal
UPC	722512381513

Reviews

C**S

Fast shipping

22.10.2025

D**I

Increible producto

21.11.2025

H**A

Diesel

13.06.2025

J**I

Love This Stuff

3.01.2026

G**N

Great Product

24.05.2023

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