--- product_id: 49554709 title: "STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Made in the UK" brand: "stp" price: "83.71 DT" currency: TND in_stock: true reviews_count: 13 category: "Stp" url: https://www.desertcart.tn/products/49554709-stp-engine-stop-leak-for-petrol-and-diesel-engines-300 store_origin: TN region: Tunisia --- # universal fit for cars & trucks boosts engine oil protection 300ml concentrated formula STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Made in the UK **Brand:** stp **Price:** 83.71 DT **Availability:** ✅ In Stock ## Summary > 🛢️ Seal the deal on leaks before they seal your fate! ## Quick Answers - **What is this?** STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Made in the UK by stp - **How much does it cost?** 83.71 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/49554709-stp-engine-stop-leak-for-petrol-and-diesel-engines-300) ## Best For - stp enthusiasts ## Why This Product - Trusted stp brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No Filter Clogging:** Solid-free formula ensures smooth oil flow without clogging filters or harming engine parts. - • **Universal Compatibility:** Works seamlessly with petrol and diesel engines across cars and trucks—one solution for all. - • **Engine Seal Rejuvenation:** Conditions and revitalizes worn engine seals, extending engine life and performance. - • **Stop Minor Oil Leaks Fast:** Special polymer agents renew seals & gaskets to halt leaks before costly repairs. - • **UK-Made Quality Assurance:** Proudly manufactured in the UK, trusted by thousands with a 4.3-star rating from 819 reviews. ## Overview STP Engine Stop Leak is a 300ml concentrated additive designed to stop minor oil leaks by renewing engine seals and gaskets. Compatible with petrol and diesel engines in cars and trucks, it enhances the protective qualities of your engine oil without clogging filters. Made in the UK and highly rated by users, it’s a smart, cost-saving solution to maintain engine health and avoid expensive repairs. ## Description STP Engine Stop Leak is formulated with a special agent to renew polymer seals and gaskets damaged by the heat of normal engine operation, which can otherwise result in oil leaks and expensive mechanical work. STP Engine Stop Leak will also increase the protection offered by the existing engine oil. Review: ❤️ Fabtastic stuff! ❤️ - Purchased twice now... 1st one a disaster as I put this into my engine with a top up of fresh oil, which resulted in me over filling 😡... had to purchase an oil syringe to remove overfil and leak continued. Weeks later had an oil and filter change done professionally ☺️ not a drip or drop seen on my long suffering driveway. Fantastic stuff and saved me £1800 for replacement of seals etc.... ❤️ love this stuff!!!!! Review: Looks like it works - Seems to have done the trick! ## Features - Causes serious eye damage. - Suspected of damaging fertility or the unborn child. - STP Engine Stop Leak 300ml, to help stop minor oil leaks - Stops Leaks: Helps put an end to minor oil leaks - Rejuvenates: The stop leak oil additive also conditions engine seals and gaskets - Won’t Clog: Contains no solids, so won’t clog filters or inhibit flow - Increases Protection: Makes normal engine oil even more protective ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004NLMH4Y | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | 1,551 in Automotive ( See Top 100 in Automotive ) 45 in Car Engine Oils | | Brand | STP | | Brand Name | STP | | Compatible with Vehicle Type | Car, Truck | | Container Type | Bottle | | Country Of Origin | United Kingdom | | Customer Reviews | 4.3 out of 5 stars 819 Reviews | | Global Trade Identification Number | 05020144500834 | | Included Components | Stop Leak | | Item Type Name | Engine Stop Leak | | Item Weight | 300 Grams | | Liquid Volume | 300 Millilitres | | Liquid volume | 300 Millilitres | | Manufacturer | STP | | Manufacturer Part Number | E302006100 | | Model Number | GST63300EN | | Number of Packs | 1 | | Package information | Bottle | | Size | 300 ML | | Unit Count | 300.0 millilitre | | Vehicle service type | Car, Truck | ## Product Details - **Brand:** STP - **Liquid volume:** 300 Millilitres - **Package information:** Bottle - **Vehicle service type:** Car, Truck - **Viscosity:** 5w_30 sae_grade ## Images ![STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Made in the UK - Image 1](https://m.media-amazon.com/images/I/61lN3GwrIVL.jpg) ## Questions & Answers **Q: Can i use in any car** A: yes you can **Q: Will it stop a fule pump leak** A: No it won’t doesn’t even stop engine leaks **Q: Can you use on power steering leak which takes hydraulic oil?** A: It didn’t work for my car the problem was something more serious **Q: Is this an AT-205 alternative?** A: No it's just an addition ## Customer Reviews ### ⭐⭐⭐⭐⭐ ❤️ Fabtastic stuff! ❤️ *by S***R on 24 June 2026* Purchased twice now... 1st one a disaster as I put this into my engine with a top up of fresh oil, which resulted in me over filling 😡... had to purchase an oil syringe to remove overfil and leak continued. Weeks later had an oil and filter change done professionally ☺️ not a drip or drop seen on my long suffering driveway. Fantastic stuff and saved me £1800 for replacement of seals etc.... ❤️ love this stuff!!!!! ### ⭐⭐⭐⭐ Looks like it works *by D***T on 19 January 2026* Seems to have done the trick! ### ⭐⭐⭐⭐⭐ Stop leak *by K***Z on 16 July 2026* Worked really well. Haven't had a leak since. Fingers crossed. ## Frequently Bought Together - 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 Degreaser Professional Series 500ml, Penetrates and Dissolves Heavy Dirt and Deposits, Easily and Quickly Restore your Engine's Performance for a Smoother Engine --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/49554709-stp-engine-stop-leak-for-petrol-and-diesel-engines-300](https://www.desertcart.tn/products/49554709-stp-engine-stop-leak-for-petrol-and-diesel-engines-300) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-31*