--- product_id: 253544437 title: "03520C Transmax Dex/Merc Atf, 1 Gallon, Automatic, Black" brand: "castrol" price: "1921 kr" currency: NOK in_stock: true reviews_count: 5 url: https://www.desertcart.no/products/253544437-03520c-transmax-dex-merc-atf-1-gallon-automatic-black store_origin: NO region: Norway --- # 175°C high-temp resistance 4-6 cSt viscosity for smooth shifts Superior copper corrosion protection 03520C Transmax Dex/Merc Atf, 1 Gallon, Automatic, Black **Brand:** castrol **Price:** 1921 kr **Availability:** ✅ In Stock ## Summary > ⚙️ Shift Smooth, Drive Confident – The Fluid of Future-Ready Transmissions! ## Quick Answers - **What is this?** 03520C Transmax Dex/Merc Atf, 1 Gallon, Automatic, Black by castrol - **How much does it cost?** 1921 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/253544437-03520c-transmax-dex-merc-atf-1-gallon-automatic-black) ## Best For - castrol enthusiasts ## Why This Product - Trusted castrol brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heat? No Sweat!:** Withstands extreme temperatures up to 175°C to keep your transmission cool under pressure. - • **Trusted by the Pros:** Castrol’s premium formula delivers OEM-level performance at a fraction of the cost. - • **One Fluid, Many Rides:** Broad vehicle compatibility streamlines your workshop inventory and boosts efficiency. - • **Engineered for Endurance:** Enhanced friction durability ensures silky smooth transmission performance mile after mile. - • **Corrosion? Not on Our Watch:** Unrivaled protection against copper corrosion extends your transmission’s lifespan. ## Overview Castrol 03520C Transmax Dex/Merc ATF is a high-performance automatic transmission fluid designed for superior friction durability, exceptional high-temperature oxidation resistance up to 175°C, and unmatched copper corrosion protection. Its versatile formulation supports a wide range of vehicle applications, making it a cost-effective, professional-grade choice for maintaining smooth, reliable transmission performance. ## Description Castrol Transmax DEX/MERC Multi-Vehicle Transmission Fluid is for use in transmissions and power steering of older Ford and General Motors vehicles and any other vehicle where the specifications for this product are recommended. Enhanced friction durability for smooth transmission performance Superior high temperature protection for city and highway driving Unsurpassed oxidation resistance to prevent increases in viscosity ## Features - Enhanced friction durability for smooth transmission performance - Superior high temperature protection to effectively resist oxidation - Unsurpassed protection against copper corrosion - Broad scope of vehicle applications improves workshop efficiency and inventory management ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B00DILUBL6 | | Best Sellers Rank | #109,280 in Automotive (See Top 100 in Automotive) | | Brand Name | Castrol | | Container Type | Bottle | | Customer Reviews | 4.8 4.8 out of 5 stars (3,392) 4.8 out of 5 stars | | Global Trade Identification Number | 00079191335208 | | Included Components | 1 Gallon Jug of Automatic Transmission Fluid | | Item Form | Oil | | Item Type Name | Automatic Transmission Fluid | | Liquid Volume | 128 Fluid Ounces | | Manufacturer | Castrol | | Material | Molybdenum Disulfide Calcium Sulfonate | | Model Number | 03520 | | Number Of Items | 1 | | Part Number | 03520 | | Recommended Uses For Product | Automotive | | Specific Uses For Product | Automatic Transmission Maintenance, Vehicle Compatibility, Performance Improvement | | Unit Count | 128 Fluid Ounces | | Upc | 079191335208 | | Upper Temperature Rating | 175 Degrees Celsius | | Viscosity | 4 to 6 cSt at 100°C | ## Product Details - **Brand:** Castrol - **Liquid volume:** 128 Fluid Ounces - **Material:** Molybdenum Disulfide Calcium Sulfonate - **Package information:** Bottle - **Recommended uses for product:** Automotive ## Images ![03520C Transmax Dex/Merc Atf, 1 Gallon, Automatic, Black - Image 1](https://m.media-amazon.com/images/I/61aEVtXcf5L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: Can I use it in a 2000** A: Honda s2000? 2000 model year Ferrari? 2000 individual mini cooper's? Perhaps the answer isn't in the answer. Perhaps the answer is in the question. As in, why would you touch your vehicle if you can't ask an appropriate question? **Q: will this work for a 98 jeep cherokee auto 4wd** A: Here is a link to the list of approved vehicles from Castrol!!! https://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/1BF017717048528380257EDC004D3B0A/$File/BPXE-9FT8RL.pdf **Q: does this fluid replaces ATF-Z1?** A: ATF-Z1 is Dex3 with a friction modifier. This will cover that spec. As the trans ages & wears you may be better served by using a higher viscosity fluid such as AMSOIL ATF. If you are doing a drain & refill, the ffirst one is about 44% new fluid replacement. The 3rd. one will take you to 85%. Think diloution rate vs. volume. **Q: Can this work w/ toyota camry 1999 uses dexron iii? also, can i mix other brand dexron iii (not for hi mileage) w/ this castrol atf for high mileage?** A: Yes and yes. However, in my experience, Dexron VI (even in an old worn transmission) will dramatically improve shift quality even in transmissions rated for Dexron III or Toyota Type IV (which is rebranded Dexron IV). ## Customer Reviews ### ⭐⭐⭐⭐⭐ Cheapest, sure way to get jugs *by on Reviewed in the United States 2 April 2023* Some stores around me don’t not offer jugs, only place to find 3-case jugs and for CHEAP! the closet store brand isn’t about 40 for Dextron 6. So I recommend. ### ⭐⭐⭐⭐⭐ Seems like Good Fluid and Much cheaper than Dealership/OEM fluid *by on Reviewed in the United States 12 February 2020* So far I am highly impressed. I used this fluid on a 2009 Mitsubishi Lancer ES with 109k on it. This CVT fluid is a fraction of what the OEM JT1 fluid would cost. I did this with a pan drop and filter change as well. Thank you for other reviewers who noted that transmission shifted roughly after the change. That way I didn't lose it the first few miles thinking I had killed my CVT. I observed this too. Mine took about 30 miles to finally even out and now the change is dramatic. I must note I just got this car and I am not sure if fluid or filter was ever done but the CVT is transitioning between ratios much smoother now. I did have a lot of whine in my CVT before the change and I have not noticed any yet but I really have yet to take a long trip to warm the CVT enough to get the whine. I will try to update on my next long trip or the next change at 140k MilesEdit 1: about 1200 miles in a things are going well. I wanted to update that the CVT whine is gone. took a 2-hour drive to get good and warm but no whine like before. CVT is nice and quiet. Will update again if anything major happens before 140kEdit 2: CVT strikes This fluid is done by 22k miles. about 8k before recommended service. On a longer trip the whine came back and got a temp warning for transmission. Slowed down and it went away but checking fluid color is pretty bad and I have about 22k on fluid so going to change at every 20k now. I don't believe this is the fluid's fault I think this is just the nature of the CVT. CVT is still shifting good and no chattering just fluid is broken down quicker than expected. I do live in Texas and high heat may have added to this but not sure. I will how ever be using Castrol again as I think its doing pretty good so far. ### ⭐⭐⭐⭐⭐ Good product good value! *by on Reviewed in Canada 29 May 2021* 2014 Nissan Rogue S (NS-3)had slipping issues. Complete drain and fill including flushing out the torque converter. Cycled the new fluid 400-500 km. Worked great!$35 quart at the stealership Yikes! ## Frequently Bought Together - Castrol Transmax DEX/MERC ATF, 1 Gallon, Automatic, Black - PEAK 50/50 Prediluted Antifreeze and Coolant for All Engine Cooling Systems - Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz. --- ## 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.no/products/253544437-03520c-transmax-dex-merc-atf-1-gallon-automatic-black](https://www.desertcart.no/products/253544437-03520c-transmax-dex-merc-atf-1-gallon-automatic-black) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-16*