--- product_id: 208810633 title: "ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control" brand: "ultra 1plus" price: "6828 kr" currency: ISK in_stock: true reviews_count: 8 url: https://www.desertcart.is/products/208810633-atf-dexron-iii-mercon-automatic-transmission-fluid-1-quart-smooth store_origin: IS region: Iceland --- # Smooth, consistent gear shifts Thermal stability for extreme temps Meets GM Dexron III & Ford Mercon specs ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control **Brand:** ultra 1plus **Price:** 6828 kr **Availability:** ✅ In Stock ## Summary > ⚙️ Shift Smooth, Drive Confident: The Ultimate Transmission Fluid Upgrade ## Quick Answers - **What is this?** ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control by ultra 1plus - **How much does it cost?** 6828 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/208810633-atf-dexron-iii-mercon-automatic-transmission-fluid-1-quart-smooth) ## Best For - ultra 1plus enthusiasts ## Why This Product - Trusted ultra 1plus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Weather Reliability:** Performs flawlessly in scorching heat or freezing cold, year-round protection - • **Extended Transmission Life:** Fights oxidation, sludge, and varnish to keep your transmission pristine - • **Effortless Gear Transitions:** Delivers superior friction stability for silky smooth shifting every time - • **Precision-Engineered Formula:** Exceeds GM Dexron III & Ford Mercon standards for trusted compatibility - • **Versatile Vehicle Compatibility:** Perfect for cars, trucks, SUVs & power steering systems needing Dexron III/Mercon ## Overview ULTRA 1PLUS ATF Dexron III/Mercon 1 Quart is a premium automatic transmission fluid designed to meet or exceed GM Dexron III and Ford Mercon specifications. It ensures smooth, consistent gear shifts with excellent friction stability, protects against oxidation and sludge buildup, and delivers reliable performance in all weather conditions. Ideal for a wide range of vehicles including cars, trucks, and SUVs, this fluid extends transmission life and maintains optimal operation under tough driving scenarios. ## Features - PREMIUM DEXRON 3 TRANSMISSION FLUID – Specially formulated to meet or exceed GM Dexron III and Ford Mercon requirements, delivering reliable performance for a wide range of vehicles. - SMOOTH & CONSISTENT SHIFTING – This high-quality automatic transmission fluid provides excellent friction stability, ensuring smoother gear shifts and reduced wear under tough driving conditions. - LONG-LASTING PROTECTION – Helps prevent oxidation, sludge, and varnish buildup, keeping your transmission cleaner and extending the overall service life. - VERSATILE AUTOMOTIVE USE – Ideal for cars, trucks, and SUVs requiring Dexron 3 or Mercon transmission fluid; Ideal for Pre-2006 automatic transmissions & power steering systems (check vehicle’s manual for compatibility). - RELIABLE ALL-WEATHER PERFORMANCE – Engineered for consistent protection in both extreme heat and cold, ensuring dependable operation year-round. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0881WWM5L | | Best Sellers Rank | #8,616 in Automotive (See Top 100 in Automotive) #33 in Transmission Fluids | | Brand Name | ULTRA 1PLUS | | Container Type | Bottle | | Customer Reviews | 4.7 4.7 out of 5 stars (199) 4.7 out of 5 stars | | Included Components | Transmission Fluid | | Item Form | Oil | | Item Type Name | Transmission Fluid | | Liquid Volume | 1 liters | | Manufacturer | Ultrachem LLC | | Model Number | UCDIIIMMPL | | Number Of Items | 1 | | Number Of Packs | 1 | | Part Number | UCDIIIMMP | | Specific Uses For Product | Automatic transmissions | | Unit Count | 33.8 Fluid Ounces | | Upc | 810050653428 | | Warranty Description | 1 year | ## Product Details - **Brand:** ULTRA 1PLUS - **Item Form:** Oil - **Liquid Volume:** 1 liters - **Package Information:** Bottle - **Specific Uses For Product:** Automatic transmissions ## Images ![ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control - Image 1](https://m.media-amazon.com/images/I/71w8UhUzO8L.jpg) ![ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control - Image 2](https://m.media-amazon.com/images/I/81YO0swhhnL.jpg) ![ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control - Image 3](https://m.media-amazon.com/images/I/81QD3N+DnUL.jpg) ![ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control - Image 4](https://m.media-amazon.com/images/I/81h1aUlYKfL.jpg) ![ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart | Smooth-shifting protection for automatic transmissions. Delivers dependable thermal stability and anti-shudder control - Image 5](https://m.media-amazon.com/images/I/71y6qG3S-IL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by on Reviewed in the United States February 16, 2026* Good fluid, worked great ### ⭐⭐⭐⭐⭐ Boat worthy *by on Reviewed in the United States October 16, 2025* Great price and good stuff. Bought it for my boat. ### ⭐⭐⭐⭐⭐ Was the right product! *by on Reviewed in the United States July 31, 2026* It arrived on time just what I wanted ## Frequently Bought Together - ULTRA 1PLUS ATF Dexron III/Mercon Automatic Transmission Fluid - ATF Dexron 3 (1 Quart) - Lucas Oil 10043 SAE 80W-90 Heavy Duty Gear Oil - 1 Quart --- ## 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.is/products/208810633-atf-dexron-iii-mercon-automatic-transmission-fluid-1-quart-smooth](https://www.desertcart.is/products/208810633-atf-dexron-iii-mercon-automatic-transmission-fluid-1-quart-smooth) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-08-07*