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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⛽ Unlock Peak Diesel Performance & Save Every Mile!

MAXIMIZE YOUR MPG - Up to 7-point cetane boost for sharper combustion and better fuel economy.
SMOOTH ENGINE REVIVAL - Reduces DPF regenerations and restores peak engine power for a seamless drive.
DEEP FUEL SYSTEM DETOX - Penetrates valves, pumps, pistons & injectors to eliminate stubborn deposits and varnish.
EFFORTLESS MAINTENANCE - Just 8 oz. per 20 gallons—easy to use during your next fill-up or every 6,000 miles.
RUST MOISTURE DEFENSE - Advanced water dispersant with military-grade inhibitors keeps your engine corrosion-free.

Hot Shot's Secret Diesel Extreme is a concentrated diesel fuel additive engineered to clean and lubricate your entire fuel system, boost cetane levels by up to 7 points, and protect against rust and moisture. Designed for easy use, it restores engine power, improves fuel economy, and reduces costly maintenance by eliminating injector deposits and stabilizing fuel performance.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Manufacturer	Lubrication Specialties, Inc.
Brand	Hot Shot's Secret
Model	P040401G
Item Weight	7.74 pounds
Product Dimensions	6.5 x 4.75 x 10 inches
Item model number	P040401G
Is Discontinued By Manufacturer	No
Manufacturer Part Number	P040401G
Special Features	Concentrated Fuel Injector Cleaner

Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine Performance

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