STP Ultra 5 in 1 Diesel Fuel System Cleaner 400ml, Enhances Fuel Economy | Restores Power and Protects your Engine, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

Key Features

• What You'll Get - 400 ml Diesel Fuel System Cleaner
• Concentrated Cleaning Power - Cleans and conditions the entire fuel delivery system in one tank
• Restores Power and Performance - Recovers peak engine performance by removing harmful deposits
• Protects Your Engine - Reduces friction and protects key engine parts from wear and corrosion
• Reduces Diesel consumption and exhaust emissions - promotes better fuel economy

About This Product

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Product Details

Brand

STP

Model

77400EN

Size

400 ml (Pack of 1)

Dimensions

‎36.8 x 23.3 x 22.6 cm; 399.16 g

Weight

0.88 Pounds

Manufacturer

STP

Date First Available

5 Sept. 2014

ASIN

B00NC1ER3U

Customer Reviews Summary

I’ve been using the STP Ultra 5 in 1 Diesel Fuel System Cleaner in my car tuning and workshop business for a while now, and it’s been fantastic. I use it on everything from standard diesel vehicles to high-performance tuning projects, and it consistently delivers excellent results.This cleaner tackles multiple issues at once — it cleans injectors, removes carbon deposits, prevents corrosion, and improves overall fuel efficiency. I’ve noticed smoother running engines, reduced smoke, and more responsive performance after use. It’s also incredibly easy to use and works with every diesel vehicle I’ve tested.Compared to other fuel additives I’ve tried, this one really stands out for its reliability and effectiveness. It’s a small investment that pays off in better engine performance, longevity, and fewer maintenance issues.For any professional working with diesel vehicles — whether in tuning, repairs, or general maintenance — the STP Ultra 5 in 1 Diesel Fuel System Cleaner is an absolute