Will it stop a fule pump leak

No it won’t doesn’t even stop engine leaks

Can you use on power steering leak which takes hydraulic oil?

It didn’t work for my car the problem was something more serious

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your Engine and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your Engine and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

Product ID: 49554709

Details

Brand
STP
Liquid volume
300
Package information
Bottle
Vehicle service type
Car Truck
Viscosity
5w_30

🔧renews polymer seals & gaskets

🛢️300 ml concentrated formula

🇬🇧Made in the UK quality

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 9.94

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ireland.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Description

🛠️ Stop leaks before they start—engine care that means business!

ENGINE ARMOR - Boosts existing oil protection for longer engine life
COMPACT POWER - 300 ml bottle packs a punch for multiple treatments
SEAL THE DEAL - Special agent renews worn seals & gaskets to stop leaks fast
UNIVERSAL FIT - Compatible with both petrol & diesel engines—car or truck
TRUSTED QUALITY - UK-made formula with 4.2-star rating from 783 users

STP Engine Stop Leak is a 300 ml concentrated formula designed to renew polymer seals and gaskets damaged by engine heat, preventing minor oil leaks and enhancing oil protection. Compatible with petrol and diesel engines, this UK-made product is trusted by hundreds of users for effective, affordable engine maintenance.

Reviews

R**X

Great product and highly recommend

Had a small leak under my van. Looked this up online and the reviews were good so I thought I would try it and I can tell you I'm glad I did. I put this in and went to work the next day where there were a few drops of oil there was nothing and hasn't leaked since. It's been 6 weeks now and still going strong

30.12.2025

I**N

No effect

More wishful thinking than worth applying BUT sump pan was already leaking so cannot blame this product too much!

24.11.2024

D**N

Certainly worked for me

I've tried it certainly appears to have done the job. I would recommend to give a try

5.06.2026

J**W

Stop leak

This definitely works

24.05.2026

J**K

Stp product

Good product

28.04.2026

N**G

Good

Does what it says on the tim

14.02.2025

D**T

Looks like it works

Seems to have done the trick!

19.01.2026

N**R

It works

Worked perfect on my diesel golf engine ! Stopped the leak and the smell

12.10.2025

م**I

مانع التسرب للمحرك ستوب ليك من اس تي بي 629

جودتها ممتازه شكراً للبائع شكراً للبائع على صدقه وسرعة التوصيل

31.08.2023

C**N

Funziona

Piccole perdite da guarnizioni, fermate completamente

1.04.2020

A**9

Work good

Good 👍

8.01.2026

C**N

Non funziona

Purtroppo a me non a funzionato non è riuscito a tappare la falla.

26.08.2020

J**A

Was good enough

Can't see the difference

3.08.2023

Common Questions

Are the products genuine and authentic?+

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.

How long does delivery take and is it reliable?+

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.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 9.94

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ireland.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

View all Trustpilot reviews

Automotive Fit Type	Universal Fit
Brand	STP
Liquid volume	300 Millilitres
Number of Packs	1
Package information	Bottle
Vehicle service type	Car, Truck

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your Engine and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

Details

Details

Description

Specifications

Reviews

Common Questions