--- product_id: 159890881 title: "Transmission Cooler Line Adapter" brand: "ict billet" price: "£73.37" currency: GBP in_stock: true url: https://www.desertcart.co.uk/products/159890881-transmission-cooler-line-adapter store_origin: GB region: United Kingdom --- # 6AN fittings for universal 3/8" hose compatibility Aerospace-grade billet aluminum for unmatched durability Proudly made in Wichita, Kansas, USA Transmission Cooler Line Adapter **Brand:** ict billet **Price:** £73.37 **Availability:** ✅ In Stock ## Summary > 🚗 Upgrade your transmission cooling game with precision and pride! ## Quick Answers - **What is this?** Transmission Cooler Line Adapter by ict billet - **How much does it cost?** £73.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/159890881-transmission-cooler-line-adapter) ## Best For - ict billet enthusiasts ## Why This Product - Trusted ict billet brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Made in the USA:** Engineered and manufactured in Wichita, Kansas, supporting quality craftsmanship and domestic innovation. - • **Precision 6AN Fittings:** Seamlessly upgrade to custom braided transmission cooler lines with industry-standard 3/8" hose size compatibility. - • **Aerospace-Grade Aluminum:** Crafted from premium billet aluminum ensuring superior strength and heat dissipation for peak performance. - • **Complete Installation Kit:** Includes adapter plate, factory gasket, and mounting bolt for hassle-free, professional-grade installation. - • **Tailored for GM Powerhouses:** Perfectly compatible with 6L80E, 6L90E, and 8L90E transmissions to keep your ride running cooler and longer. ## Overview The ICT Billet Transmission Cooler Line Adapter Plate with Gasket features 6AN fittings compatible with 6L80E, 6L90E, and 8L90E transmissions, enabling custom braided hose setups. Made from aerospace-grade billet aluminum in Wichita, Kansas, this adapter ensures durable, leak-free connections with included gasket and mounting bolt, delivering professional-grade performance and reliability for automotive enthusiasts. ## Description Buy ICT Billet Transmission Cooler Line Adapter Plate with Gasket 6AN Fittings Compatible with 6L80E 6L90E 8L90E Factory Oil Seal Line Connector for Custom Braided Hose Set 551121-6AN: Accessories - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - -6AN (similar to 3/8" hose size) fittings for the most common transmission line size - Allows the use of aftermarket AN braided hose fittings to build your own custom transmission cooler lines - Made in Wichita, Kansas from aerospace grade, USA produced billet aluminum - Includes adapter with -6AN fittings, factory gasket, and mounting bolt ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07XTQPLXN | | Best Sellers Rank | #206,438 in Automotive ( See Top 100 in Automotive ) #97 in Automotive Replacement Engine Cooler Accessories | | Brand Name | ICT Billet | | Color | Silver | | Connector Type | Adapter | | Customer Reviews | 4.7 4.7 out of 5 stars (162) | | Item Weight | 3.84 ounces | | Manufacturer | ICT Billet | | Manufacturer Part Number | 551121-6AN | | Material Type | Aluminum | | Model Number | 551121-6AN | | Number of Pieces | 1 | | Set Name | Transmission Cooler Line Adapter Plate Set (1 Piece) | | Size | 3/8 Inch | | UPC | 840117200036 | | Unit Count | 1 Count | ## Product Details - **Brand:** ICT Billet - **Color:** Silver - **Connector Type:** Adapter - **Item Weight:** 3.84 ounces - **Manufacturer:** ICT Billet - **Material:** Aluminum - **Number of Pieces:** 1 - **Set Name:** Transmission Cooler Line Adapter Plate Set (1 Piece) - **Size:** 3/8 Inch - **Unit Count:** 1 Count ## Images ![Transmission Cooler Line Adapter - Image 1](https://m.media-amazon.com/images/I/71+xBOm2Q7L.jpg) ![Transmission Cooler Line Adapter - Image 2](https://m.media-amazon.com/images/I/71uDZEzB5aL.jpg) ![Transmission Cooler Line Adapter - Image 3](https://m.media-amazon.com/images/I/71a4qBW5OPL.jpg) ![Transmission Cooler Line Adapter - Image 4](https://m.media-amazon.com/images/I/71kX1ksgCEL.jpg) ## Frequently Bought Together - ICT Billet 6L80E 6L90E 8L90E Transmission Cooler Line Adapter Plate with Gasket 6AN Fittings Factory Oil Seal Line Connector for Custom Braided Hose Set 551121-6AN - EVIL ENERGY 6AN 3/8" Fuel line Hose Fitting Kit Braided Nylon Stainless Steel Oil Gas CPE 20FT Black - Alex Tech 10ft - 3/8 inch Cord Protector Wire Loom Tubing Cable Sleeve Split Sleeving For USB Cable Power Cord Audio Video Cable – Protect Cat From Chewing Cords - Black --- ## 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.co.uk/products/159890881-transmission-cooler-line-adapter](https://www.desertcart.co.uk/products/159890881-transmission-cooler-line-adapter) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-08-24*