STP Diesel Fuel Additive Treatment Bundle, Includes Diesel Injector Cleaner and Ultra 5-in-1 Diesel System Cleaner, Cleans Injectors and Restores Performance For A Smoother Engine, Made in the UK
by STP · Automotive
373 verified reviews · We may earn a commission · Disclosure
Fair price · based on price history, ratings & popularity
- Popularity
- Popular
- Network
- amazon
- Prime
- Not eligible
- Region
- uk
Why it's a great deal
STP Diesel Bundle contains STP Diesel Injector Cleaner 200ml and STP Ultra 5-in-1 Diesel System Cleaner 400ml
Cleans & Unclogs: Powerful STP Diesel Injector Cleaner clears dirty injectors with just one treatment
Restores Performance: STP Ultra 5-in-1 System Cleaner is our most advanced diesel formula, helping to remove deposits and clear dirty injectors
Lowers Emissions: A cleaner engine may mean less exhaust emissions and lower fuel consumption
For All Diesel Engines: Suitable for all diesel engines including DI, IDI and common rail, and catalytic converters
Quick & Easy: Simply pour the entire bottle of STP Diesel Injector Cleaner or STP Diesel System Cleaner into a full tank
Reduces Rough Idling: For a smoother engine experience
Our Data-Driven Analysis
STP holds a 4.5/5 rating from 373 verified buyer reviews in our Automotive category. This places it among the highest-rated products we track — buyer satisfaction is exceptionally strong.
Our proprietary Deal Score rates this a 4.6/10 based on price history, rating trends, review velocity, and category positioning. Fair value currently — consider waiting for a deeper discount if your timeline is flexible.
Compared to 8 similar products in Automotive, pricing is in line with the category average (£17.35).
Analysis generated from 373 verified reviews · Price data updated hourly · Methodology: how we analyze
Customer Ratings
This product holds a 4.5/5 average from 373 verified customer ratings on Amazon. We surface the genuine retailer rating here so you can judge the deal at a glance — and we link straight to the source so you can read the real reviews yourself.
Read customer reviews on AmazonRatings are aggregated from Amazon and re-verified hourly. We may earn a commission if you buy through our link.
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STP
£15.99