--- product_id: 273689990 title: "9900 Motor Flush 300ml, Engine Oil System Cleaner Additive, Pre-Oil Change Flush for Petrol & Diesel Engines, Removes Sludge, Dirt, Deposits & Wear Residues" brand: "mannol" price: "€ 8.41" currency: EUR in_stock: true reviews_count: 13 category: "Mannol" url: https://www.desertcart.pt/products/273689990-9900-motor-flush-300ml-engine-oil-system-cleaner-additive-pre store_origin: PT region: Portugal --- # Compatible with petrol & diesel 10-minute quick flush Universal oil system cleaner 9900 Motor Flush 300ml, Engine Oil System Cleaner Additive, Pre-Oil Change Flush for Petrol & Diesel Engines, Removes Sludge, Dirt, Deposits & Wear Residues **Brand:** mannol **Price:** € 8.41 **Availability:** ✅ In Stock ## Summary > 🛠️ Clean Engine, Peak Performance – Don’t Let Residue Slow You Down! ## Quick Answers - **What is this?** 9900 Motor Flush 300ml, Engine Oil System Cleaner Additive, Pre-Oil Change Flush for Petrol & Diesel Engines, Removes Sludge, Dirt, Deposits & Wear Residues by mannol - **How much does it cost?** € 8.41 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/273689990-9900-motor-flush-300ml-engine-oil-system-cleaner-additive-pre) ## Best For - mannol enthusiasts ## Why This Product - Trusted mannol brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Mixes with Any Oil Type:** Perfectly blends with synthetic & mineral oils for versatile use - • **Universal Compatibility:** Works seamlessly with petrol & diesel engines, turbocharged or not - • **Compact 300ml Powerhouse:** Ideal size for professional garage maintenance & DIY engine care - • **Rapid 10-Minute Engine Detox:** Flushes sludge & deposits fast before every oil change - • **Deep Clean for Hard-to-Reach Areas:** Targets oil channels & pump filters for a thorough cleanse ## Overview MANNOL 9900 Motor Flush is a premium 300ml engine oil system cleaner designed for use before oil changes. It effectively removes sludge, dirt, and wear residues from petrol and diesel engines, including turbocharged and catalyst-equipped models. The product works in just 10 minutes by flushing hard-to-reach oil channels and pump filters, ensuring optimal engine performance and longevity. Compatible with all synthetic and mineral oils, it’s a must-have for professional garages and discerning vehicle owners aiming to maintain peak engine health. ## Description Mixable with any synthetic and mineral oil and is suitable for cleaning in any petrol and diesel engine with or without a catalyst and with or without a turbocharger. Review: Excellent - As website description Review: نتائج ممتازه - شركة المانيه غنيه عن التعريف وانا استخدم الكثير من منتجاتها ## Features - ENGINE MOTOR FLUSH 300ML – MANNOL 9900 is an engine oil system cleaner additive designed for use before an oil change to help remove sludge, dirt, deposits and wear residues. - CLEANS THE OIL SYSTEM – Helps clean hard-to-reach areas of the engine oil system, including oil channels and oil pump filter nets, before draining the old oil. - FOR PETROL & DIESEL ENGINES – Suitable for compatible petrol and diesel engines. Retail technical listings identify the product application as engine flushing and fuel type as diesel and petrol. - 10-MINUTE PRE-OIL CHANGE USE – Add to warm used engine oil, idle the engine for 10 minutes, then drain the oil, replace the oil filter and refill with fresh engine oil according to instructions. - GARAGE & WORKSHOP MAINTENANCE – Practical 300ml bottle for engine maintenance, used oil flush service and pre-oil-change cleaning. Do not drive the vehicle while the flush is in the engine oil. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00DT1AL92 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #1,452 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Engine Flushes | | Brand | MANNOL | | Brand Name | MANNOL | | Compatible with Vehicle Type | Car, Truck | | Container Type | Can | | Country of Publication | Germany | | Customer Reviews | 4.6 out of 5 stars 632 Reviews | | Global Trade Identification Number | 04036021990057 | | Item Weight | 0.25 Kilograms | | Liquid Volume | 0.35 Liters | | Liquid volume | 0.35 Liters | | Manufacturer | MANNOL | | Manufacturer Part Number | MN9900 | | Model Number | MN9900-035ME | | Number of Packs | 1 | | Package information | Can | | SAE J300 Viscosity Grade | 10W-30 | | Unit Count | 450 Milliliters | | Vehicle service type | Car, Truck | | Viscosity Level | Medium to High | ## Product Details - **Brand:** MANNOL - **Liquid volume:** 0.35 Liters - **Package information:** Can - **SAE J300 Viscosity Grade:** 10W-30 - **Vehicle service type:** Car, Truck ## Images ![9900 Motor Flush 300ml, Engine Oil System Cleaner Additive, Pre-Oil Change Flush for Petrol & Diesel Engines, Removes Sludge, Dirt, Deposits & Wear Residues - Image 1](https://m.media-amazon.com/images/I/718RWVZs9DL.jpg) ## Questions & Answers **Q: How to use this?** A: Application: at the operating temperature of the engine, add the contents of the container to the used engine oil before replacing it. After 10 minutes of engine idling, drain the used oil, replace the filter and fill in the new oil (you CAN't DRIVE the CAR UNTIL THE new OIL is FILLED in!). The contents of the 0.35 l can are sufficient for flushing engines with an oil system volume of up to 6 l. Not suitable for motorcycles with wet clutches. **Q: Can you deliver as soon as possibly please??** A: It is shipped already 🙂 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent *by M***Y on 11 October 2025* As website description ### ⭐⭐⭐⭐⭐ نتائج ممتازه *by S***I on 12 July 2025* شركة المانيه غنيه عن التعريف وانا استخدم الكثير من منتجاتها ### ⭐⭐⭐⭐ جيد جدا *by A***I on 25 December 2023* جيد جيدا ## Frequently Bought Together - MANNOL Motor Flush (metal) Oil for car engine : MN9900 (350ml) - Mannol Motor Oil Additive --- ## 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.pt/products/273689990-9900-motor-flush-300ml-engine-oil-system-cleaner-additive-pre](https://www.desertcart.pt/products/273689990-9900-motor-flush-300ml-engine-oil-system-cleaner-additive-pre) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-31*