--- product_id: 3981526 title: "Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart" brand: "red line" price: "€ 78.92" currency: EUR in_stock: true reviews_count: 13 category: "Red Line" url: https://www.desertcart.hr/products/3981526-red-line-42804-full-synthetic-gear-oil-v-twin-transmission store_origin: HR region: Croatia --- # Shockproof tech for ultra-quiet shifting Reduces transmission temperature for peak performance 75W140 viscosity for superior gear protection Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart **Brand:** red line **Price:** € 78.92 **Availability:** ✅ In Stock ## Summary > ⚙️ Shift Smooth, Ride Loud, Stay Ahead. ## Quick Answers - **What is this?** Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart by red line - **How much does it cost?** € 78.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/3981526-red-line-42804-full-synthetic-gear-oil-v-twin-transmission) ## Best For - red line enthusiasts ## Why This Product - Trusted red line brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Thermal Performance Boost:** Significantly lowers operating temperatures, maintaining thicker oil films to protect gears under stress. - • **Trusted Legacy Since 1979:** Red Line’s proven synthetic formula delivers unmatched performance and protection with no compromises. - • **Versatile Powersports Compatibility:** Perfectly formulated for V-Twin transmissions, ATVs, UTVs, sportbikes, and meets JASO MA/MA2 standards. - • **Ultra-Quiet, Smooth Shifting Experience:** Dampens transmission noise and eliminates clunking for a premium ride feel. - • **Shockproof Technology for Impact Resistance:** Engineered to absorb and neutralize harsh gear impacts, ensuring longevity and reliability. ## Overview Red Line 42804 Full Synthetic Gear Oil is a premium 75W140 synthetic transmission fluid designed specifically for V-Twin and powersports vehicles. Featuring advanced shockproof technology, it reduces gear impact damage and transmission noise while lowering operating temperatures to enhance performance and durability. Trusted by enthusiasts since 1979, this oil meets JASO MA/MA2 standards and is ideal for ATVs, UTVs, sportbikes, and manual transmissions. ## Description Buy Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart: Transmission Fluids - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great oil! - Quality stuff. Won't run anything else in my SG. Review: Excellent transmission oil - I've used this oil since my first Harley in 1996. Smooth quiet shifting. This is all I use as well as red line primary and engine oil. ## Features - CUTTING EDGE TECHNOLOGY - Shockproof technology designed to make a big impact against big impacts. - QUIET SMOOTH SHIFTING - V-Twin Transmission oil dampens transmission noise, reducing the notorious shifting clunk found in these gearboxes. - IMPROVES PERFORMANCE - Transmission fluid that dramatically reduces temperature, providing thicker oil films between gear teeth and resists throw-off. - POPULAR POWESPORTS OIL FOR - UTVs & Side by Sides, ATVs, sportbikes and other powersports vehicles, suitable for JASO MA/MA2 applications. - WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004X973EA | | Best Sellers Rank | #4,812 in Automotive ( See Top 100 in Automotive ) #18 in Transmission Fluids | | Brand | Red Line | | Brand Name | Red Line | | Container Type | Bottle | | Customer Reviews | 4.9 out of 5 stars 1,924 Reviews | | Global Trade Identification Number | 00083522428040 | | Included Components | V-Twin Transmission Oil | | Item Form | Oil | | Item Type Name | Car Gear Oil (1 Quart Bottle) | | Item Weight | 1.7 pounds | | Liquid Volume | 32 fluid ounces | | Manufacturer | Red Line | | Material | Synthetic | | Model Number | (42804) | | Number of Items | 1 | | Number of Packs | 1 | | Package Information | Bottle | | Part Number | 42804 | | Recommended Uses For Product | Transmission Oil | | Specific Uses For Product | V-Twin Transmission, Manual Transmission, Synthetic Transmission, Four-Stroke Motocross Bikes, ATVs, Sportbikes, V-Twins | | UPC | 083522428040 | | Unit Count | 32 Fluid Ounces | | Viscosity | 75W140 | | Warranty Description | Warranty, Parts:Parts | ## Product Details - **Brand:** Red Line - **Item Weight:** 1.7 Pounds - **Liquid Volume:** 32 Fluid Ounces - **Material:** Synthetic - **Package Information:** Bottle ## Images ![Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart - Image 1](https://m.media-amazon.com/images/I/719vbFCEJLL.jpg) ![Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart - Image 2](https://m.media-amazon.com/images/I/81fSsAK4wBL.jpg) ![Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart - Image 3](https://m.media-amazon.com/images/I/81C+cQZSGML.jpg) ![Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart - Image 4](https://m.media-amazon.com/images/I/81owXIUH2ML.jpg) ![Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart - Image 5](https://m.media-amazon.com/images/I/8132DX7OcFL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great oil! *by M***. on July 20, 2026* Quality stuff. Won't run anything else in my SG. ### ⭐⭐⭐⭐⭐ Excellent transmission oil *by J***E on July 30, 2026* I've used this oil since my first Harley in 1996. Smooth quiet shifting. This is all I use as well as red line primary and engine oil. ### ⭐⭐⭐⭐⭐ Smooth less noise 👌 *by M***S on April 18, 2026* Wow!!! I won't ever run anything but this from now on! Shifts like butter nice and quiet clicks into gear very smooth. Perfect for my 2011 street glide. Do it you won't regret it. ## Frequently Bought Together - Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart - Red Line 42904 V-Twin Primary Case Oil, for use with UTVs, ATVs and Sportbikes - 1 Quart - K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B --- ## 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.hr/products/3981526-red-line-42804-full-synthetic-gear-oil-v-twin-transmission](https://www.desertcart.hr/products/3981526-red-line-42804-full-synthetic-gear-oil-v-twin-transmission) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-12*