--- product_id: 89291820 title: "STP 78595 High Mileage Oil Treatment Plus Stop Leak - 15 fl oz" brand: "stp" price: "173.93 DT" currency: TND in_stock: true reviews_count: 9 category: "Stp" url: https://www.desertcart.tn/products/89291820-stp-78595-high-mileage-oil-treatment-plus-stop-leak-15 store_origin: TN region: Tunisia --- # Stops leaks & rejuvenates seals ZDDP anti-wear additive 15 fl oz high-viscosity formula STP 78595 High Mileage Oil Treatment Plus Stop Leak - 15 fl oz **Brand:** stp **Price:** 173.93 DT **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your high-mileage engine young, quiet, and leak-free — because your ride deserves the best! ## Quick Answers - **What is this?** STP 78595 High Mileage Oil Treatment Plus Stop Leak - 15 fl oz by stp - **How much does it cost?** 173.93 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/89291820-stp-78595-high-mileage-oil-treatment-plus-stop-leak-15) ## 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 - • **Leak & Noise Eliminator:** Rejuvenates seals and gaskets to stop leaks, reduce engine noise, and cut down on smoking. - • **Thick Viscosity Cushion:** Creates a protective barrier that drastically reduces metal-to-metal friction under all driving conditions. - • **Engine Armor for 75K+ Miles:** Specifically engineered for high-mileage vehicles to extend engine life and performance. - • **Easy Add-On with Every Oil Change:** Simply pour into your engine oil during routine maintenance to keep your engine running smoother, longer. - • **Universal Fit for Cars, Trucks & SUVs:** Versatile formula compatible with a wide range of vehicles, making maintenance effortless. ## Overview STP 78595 High Mileage Oil Treatment Plus Stop Leak is a 15 fl oz high-viscosity engine additive designed for vehicles with over 75,000 miles. Featuring ZDDP anti-wear agents, it forms a thick protective cushion to reduce friction, rejuvenates seals to stop leaks and engine noise, and is compatible with cars, light trucks, and SUVs. Ideal for adding during every oil change to extend engine life and improve performance. ## Description Protect the engine in your high-mileage vehicle with STP High Mileage Oil Treatment + Stop Leak. Formulated especially for vehicles with over 75,000 miles, this high-viscosity engine additive includes ZDDP oil additive as an anti-wear agent for protection. This STP oil treatment creates a thick cushion between moving engine parts to help fight metal-to-metal friction. Engine stop leak helps to rejuvenate seals and gaskets and stop engine leaks, noise and smoking to improve performance. Add to engine oil with each oil change during car maintenance. It's suitable for cars, light trucks and SUVs. Review: Must be good & Genuine - Not yet used but have done my studies ....Must be good & Genuine product Review: Five Stars - I am very much satisfied ## Features - Protect the engine in your high-mileage vehicle with STP High Mileage Oil Treatment + Stop Leak. Formulated especially for vehicles with over 75,000 miles, this high-viscosity engine additive includes ZDDP oil additive as an anti-wear agent for protection. This STP oil treatment creates a thick cushion between moving engine parts to help fight metal-to-metal friction. Engine stop leak helps to rejuvenate seals and gaskets and stop engine leaks, noise and smoking to improve performance. Add to engine oil with each oil change during car maintenance. It's suitable for cars, light trucks and SUVs. - One 15 fl oz bottle of STP High Mileage Oil Treatment + Stop Leak - ZDDP oil additive prevents wear to protect your high-mileage vehicle - High-viscosity formula creates a thick cushion between moving engine parts to reduce friction - Leak stopper helps prevent engine leaks, noises and smoking and helps to rejuvenate seals and gaskets - Add this oil treatment to engine oil during every oil change ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00D8OFQUE | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #41,769 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #73 in Engine Oil Additives | | Brand | STP | | Brand Name | STP | | Compatible with Vehicle Type | Truck | | Container Type | Bottle | | Country of Origin | USA | | Customer Reviews | 4.6 out of 5 stars 1,838 Reviews | | Global Trade Identification Number | 00071153785953, 10071153184111 | | Item Type Name | High Mileage Oil Treatment Stop Leak, 15 fl. oz | | Item Weight | 431 g | | Liquid Volume | 15 Fluid Ounces | | Manufacturer | STP | | Manufacturer Part Number | 18411 | | Model | 15604B | | Package Information | Bottle | | SAE J300 Viscosity Grade | 50 | | Size | 15 OZ | | UPC | 071153785953 | | Unit Count | 443.6 Milliliters | | Vehicle Service Type | Truck | | Viscosity Level | High | | What Is In the Box | High Mileage Oil Treatment | ## Product Details - **Brand:** STP - **Liquid Volume:** 15 Fluid Ounces - **Package Information:** Bottle - **Vehicle Service Type:** Truck - **Viscosity:** 50 sae_grade ## Images ![STP 78595 High Mileage Oil Treatment Plus Stop Leak - 15 fl oz - Image 1](https://m.media-amazon.com/images/I/71xCSBdLnsL.jpg) ## Questions & Answers **Q: Is it suits for diesel engine beat 1ltr** A: Not sure. But there is a diesel engine variant ## Customer Reviews ### ⭐⭐⭐⭐⭐ Must be good & Genuine *by S***B on 30 May 2018* Not yet used but have done my studies ....Must be good & Genuine product ### ⭐⭐⭐⭐⭐ Five Stars *by A***R on 4 October 2017* I am very much satisfied ### ⭐⭐⭐⭐ Drive longer *by V***K on 14 July 2018* I have a i10 2008, suddenly leaking engine happened for 2 months , so I googled and saw this and put, there is not much difference, i think I should drive at least 1000km to notice the leak stop. ## Frequently Bought Together - STP High Mileage Oil Treatment + Stop Leak Engine Oil Additive, 15 fl oz, Contains ZDDP Anti-Wear Agent to Fight Friction, Rejuvenates Seals and Gaskets, Stops Leaks - Valvoline High Mileage with MaxLife Technology SAE 5W-30 Synthetic Blend Motor Oil 5 QT --- ## 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/89291820-stp-78595-high-mileage-oil-treatment-plus-stop-leak-15](https://www.desertcart.tn/products/89291820-stp-78595-high-mileage-oil-treatment-plus-stop-leak-15) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-15*