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
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 25 Mar 2026)
Based on a total of 46,726 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 46,726 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
In stock. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£6.99
23.3 GBP/1.0 l
Delivery from £4.49
Stp Engine Oil Stop Leak Additive Renews Seals Gaskets Petrol Diesel Stops 300Ml
Overall Rating: 2.9 / 5 (average from multiple review sources, as of 2 Apr 2026)
Based on a total of 30,195 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 30,195 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
1-3 working days
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£9.44
Delivery from £6.00
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
Cheapest Total Price
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£9.45
Free Delivery
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
Cheapest Total Price
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£9.45
Free Delivery
STP® 63300EN Engine Stop Leak 300ml
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£9.49
Free Delivery
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
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£9.50
Delivery from £2.40
Engine Oil Stop Leak 300ml - Seals & Prevents Leaks, Compatible with Regular & Synthetic Oils, Safe for Oxygen Sensors, Petrol & Diesel, 63300EN
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 1 Apr 2026)
Based on a total of 123,828 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 123,828 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
1-2 days
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£9.98
Free Delivery
STP® 63300EN Engine Stop Leak 300ml
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£10.00
Delivery from £2.40
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
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£10.89
Free Delivery
- 1
- 2
- next page
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
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
▶ Finding you the best price!
We have found 9 prices for 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. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
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 - Price Information
- Cheapest price: £6.99
- The cheapest price is offered by amazon.co.uk. You can order the product there.
- The price range for the product 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 is €£6.99to €£14.00 with a total of 9 offers.
- Payment methods: The online shop amazon.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by amazon.co.uk.
Similar products
![STP Start Stop Diesel Engine Cleaner - 200ml [GST75200EN]](https://cdn.pricehunter.co.uk/offer/en/stp-start-stop-diesel-engine-cleaner-200ml-gst75200en-200t18031c2145e2e5e1591498d7b7b3c167ddfb50228c4.jpg)
£7.49
onbuy.com
Free Delivery
STP GST63300EN Engine Stop Leak for Petrol & Diesel Engines 300 ml & GST73500ENP Engine Degreaser Professional Series 500 ml
£13.97
46.57 GBP/1.0 l
amazon.co.uk
Delivery from £4.49
AXpower Inspirational Technology Empowering People STP Start-Stop Petrol Engine Cleaner - 200ml x 2 | Cleans Fuel System, Reduces Emissions, Restores Performance & Protects Key Engine Components
£11.95
Amazon-marketplace.co.uk
Free Delivery
£7.49
onbuy.com
Free Delivery
£18.51
GBP 18.51 / Unit
ebay.co.uk
Free Delivery
Cheapest offer
What You'll Get- 300 ml Engine Stop Leak for Petrol & Diesel Helps prevent minor oil leaks Compatible with regular and synthetic motor oils Conditions engine seals without clogging filters or inhibiting flow Will not harm oxygen sensors or catalytic converters
£6.99
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).