--- product_id: 16105499 title: "11605 SAE 5W50 Fully Synthetic Motor Oil - 1 Gallon" brand: "red line" price: "€ 223.72" currency: EUR in_stock: true reviews_count: 8 category: "Red Line" url: https://www.desertcart.hr/products/16105499-11605-sae-5w50-fully-synthetic-motor-oil-1-gallon store_origin: HR region: Croatia --- # Improved fuel economy High-temp stability Superior engine protection 11605 SAE 5W50 Fully Synthetic Motor Oil - 1 Gallon **Brand:** red line **Price:** € 223.72 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your engine’s game with Red Line’s elite synthetic power! ## Quick Answers - **What is this?** 11605 SAE 5W50 Fully Synthetic Motor Oil - 1 Gallon by red line - **How much does it cost?** € 223.72 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/16105499-11605-sae-5w50-fully-synthetic-motor-oil-1-gallon) ## 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 - • **Fuel-Saving Detergency:** Boosts fuel efficiency with advanced cleaning power ⛽ - • **Extended Drain Intervals:** Spend less time changing oil and more time driving with superior cleanliness - • **Ester/PAO Synthetic Formula:** Premium blend for smoother, quieter, and more responsive performance 🛡️ - • **Unmatched Thermal Stability:** Keeps your engine cool and protected even under extreme heat 🔥 - • **Proven Performance for Iconic Engines:** Trusted by Shelby GT500, Ford GT, and Range Rover enthusiasts for peak power ## Overview Red Line 11605 SAE 5W50 is a fully synthetic motor oil engineered with an ester/PAO formula that delivers exceptional high-temperature stability, superior oxidation resistance, and enhanced fuel economy. Designed for performance vehicles including Shelby GT500 and Ford GT, it ensures extended drain intervals and superior engine cleanliness, making it the go-to choice for professionals demanding top-tier protection and power. ## Description Product description Review: Film strength! - Excellent product, strongest film strength in it class! Review: Premium Oil for High‑Performance Engines - I picked up the Red Line 5W50 because I wanted something truly high‑quality for a performance‑oriented engine, and this oil absolutely delivers. You can tell right away that it’s not your average synthetic — the engine feels smoother, quieter, and more responsive, especially under load or higher RPMs. Cold starts are clean, and the oil pressure stays consistent even when the engine gets hot. What really stands out is how stable this oil is. Red Line is known for its ester‑based formula, and it shows — the oil doesn’t thin out or break down as quickly as cheaper synthetics. After a full interval, it still looked and smelled better than what I’m used to draining. If you run your vehicle hard, tow, or just want top‑tier protection, this stuff is worth the price. The only downside is exactly that — the price. It’s definitely more expensive than mainstream brands. But considering the protection, performance, and how well the engine runs on it, I see it as an investment rather than just another oil change. If you want one of the best 5W50 oils you can buy, this is it. ## Features - FULL-SYNTHETIC - ester/PAO formula for passenger cars, light trucks, performance vehicles and marine applications - HIGH DETERGENCY - allows extended drain intervals and provides increased cleanliness, Improved fuel economy and ring seal for more power - SUPERIOR - high temperature stability and oxidation resistance improves lubrication of hot metal compared to other synthetics - POPULAR PERFORMANCE OIL FOR - 5.4L Supercharged Ford applications like Shelby GT 500 and Ford GT, Focus RS (WSS-M2C931-B/-C), recommended for use in 2001-2002 Range Rover engines, for API SN/SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 - WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004BORLQM | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #146,548 in Automotive ( See Top 100 in Automotive ) #836 in Motor Oils | | Brand | Red Line | | Brand Name | Red Line | | Compatible with Vehicle Type | Car, Truck | | Container Type | Bottle | | Customer Reviews | 4.9 out of 5 stars 70 Reviews | | Global Trade Identification Number | 00083522116053 | | Included Components | Includes product as described | | Item Weight | 3 Kilograms | | Liquid Volume | 1 Gallons | | Manufacturer | Red Line | | Manufacturer Part Number | 11605 | | Manufacturer Warranty Description | See Return Policy | | Model Number | 11605 | | Package Information | Bottle | | SAE J300 Viscosity Grade | 5W-50 | | Size | Gallon | | UPC | 083522116053 083522116251 | | Unit Count | 128.0 Fluid Ounces | | Vehicle Service Type | Car, Truck | | Viscosity Level | Medium to High | ## Product Details - **Brand:** Red Line - **Liquid Volume:** 1 Gallons - **Package Information:** Bottle - **Vehicle Service Type:** Car, Truck - **Viscosity:** 5W-50 ## Images ![11605 SAE 5W50 Fully Synthetic Motor Oil - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/71QrR6qxnDL.jpg) ## Questions & Answers **Q: Would this be great for a 335i N54 with heavy performance mods?** A: Absolutely, I run it in my Shelby GT350 **Q: Can i use it on a 2005 bmw 545i?** A: The 2005 545i uses 5w30 or 0w40 when in temperatures over 50 degrees F. **Q: Is this good for an old/worn opel zafira b 1.9 cdti, or is it a bit too thick for the system?** A: I’m sorry I don’t know about your particular car however it went into my 2020 Shelby gt 350 easily, as it is the required viscosity. The oil was not thick like the old 20/50 weight oil it was actually easy to pour. The oil pressure typically runs over 100 lbs in the Shelby if that helps. **Q: Is this 1 gallon of 11605 the same as the 1 quart of 11604** A: Yes, it is the same oil. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Film strength! *by V***D on February 15, 2026* Excellent product, strongest film strength in it class! ### ⭐⭐⭐⭐⭐ Premium Oil for High‑Performance Engines *by S***C on March 31, 2026* I picked up the Red Line 5W50 because I wanted something truly high‑quality for a performance‑oriented engine, and this oil absolutely delivers. You can tell right away that it’s not your average synthetic — the engine feels smoother, quieter, and more responsive, especially under load or higher RPMs. Cold starts are clean, and the oil pressure stays consistent even when the engine gets hot. What really stands out is how stable this oil is. Red Line is known for its ester‑based formula, and it shows — the oil doesn’t thin out or break down as quickly as cheaper synthetics. After a full interval, it still looked and smelled better than what I’m used to draining. If you run your vehicle hard, tow, or just want top‑tier protection, this stuff is worth the price. The only downside is exactly that — the price. It’s definitely more expensive than mainstream brands. But considering the protection, performance, and how well the engine runs on it, I see it as an investment rather than just another oil change. If you want one of the best 5W50 oils you can buy, this is it. ### ⭐⭐⭐⭐⭐ Great protection *by M***A on November 3, 2025* Excellent. Highly recommend --- ## 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/16105499-11605-sae-5w50-fully-synthetic-motor-oil-1-gallon](https://www.desertcart.hr/products/16105499-11605-sae-5w50-fully-synthetic-motor-oil-1-gallon) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-15*