--- product_id: 43207787 title: "ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4\" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114" brand: "ict billet" price: "€ 36.00" currency: EUR in_stock: true reviews_count: 13 category: "Ict Billet" url: https://www.desertcart.hr/products/43207787-ict-billet-transmission-adapter-fittings-front-and-rear-6an-flare store_origin: HR region: Croatia --- # Precision -6AN to 1/4" NPSM thread fit Compatible with 10+ GM & Ford transmissions 100% USA aerospace-grade billet aluminum ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114 **Brand:** ict billet **Price:** € 36.00 **Availability:** βœ… In Stock ## Summary > πŸ”§ Upgrade your transmission game with precision-crafted American muscle! ## Quick Answers - **What is this?** ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114 by ict billet - **How much does it cost?** € 36.00 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/43207787-ict-billet-transmission-adapter-fittings-front-and-rear-6an-flare) ## 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 - β€’ **SEMA-Backed Quality:** Trusted by industry pros and enthusiasts alike, delivering precision and performance every time. - β€’ **Leak-Proof Reliability:** Includes premium O-rings ensuring a secure, no-drip connection under daily driving conditions. - β€’ **Custom-Built Confidence:** Craft your own high-performance -AN transmission lines with perfect OEM fitment. - β€’ **American-Made Excellence:** Proudly manufactured in Wichita, Kansas from aerospace-grade billet aluminum for unmatched durability. - β€’ **Universal Transmission Compatibility:** Seamlessly fits GM and Ford transmissions up to 2007, including TH350, 4L60E, 700R4, and more. ## Overview The ICT Billet Transmission Adapter Fittings convert -6AN flare to 1/4" NPSM threads, compatible with a wide range of GM and Ford transmissions up to 2007. Made from aerospace-grade billet aluminum in the USA, this set includes two fittings and O-rings, ensuring a leak-proof, durable connection for custom transmission cooler lines. Engineered for precision fitment and backed by SEMA quality standards, these adapters simplify LS and LT swaps with professional-grade reliability. ## Description Product description ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114 About ICT Billet ICT Billet was born from a passion for LS swaps. After tackling our first swap in 2001, we saw the need for better parts and reliable information. In 2014, we launched ICT Billet to provide high-quality, American-made parts that simplify and enhance LS and LT swaps. We’re dedicated to supporting car enthusiasts with precision-engineered products, detailed installation guides, and world-class service. Thank you for choosing ICT Billetβ€”your partner in making exceptional builds a reality. GM Transmission Line, 1/4" NPSM to -6AN Hose Adapter Set ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare NPSM to -6AN Hose Adapter Set TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114 Used To Replace Factory Quick Disconnect Cooler Hard Lines With An Style Hose And Fittings. Compatible With: Up To 2007 Both Front & Rear (Top & Bottom) Gm Trans Case Holes (4L80E Rear Fitting, See Other Listing 551124) Thread Pitch: -6An To 1/4""Npsm (Thread O.D. Measures .516"", Standard Gm Transmission Case Thread) Compatible With: Th350, Th400, 4L60E, 700R4, 200-4R, Tr6060, And Ford Aod Transmissions 4R100, 4R70W, C5 Made In Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum Premium USA Produced Materials Our parts are crafted from premium-grade materials, sourced and produced right here in the USA. Designed by experts in our state-of-the-art facility, we use cutting-edge American-made equipment to ensure unmatched quality and durability. Exceptional Quality At ICT Billet, quality is our standard. Every part we produce is crafted with precision using advanced manufacturing technologies in our USA facility. Our commitment to excellence ensures unmatched reliability and performance for your engine swap. Innovation in Development At ICT Billet, precision is key. Using advanced technology, we laser-scan vehicles to create solid models for perfect fitment every time. Our commitment to research and development ensures our products work seamlessly from the start. Proudly American Made Keeping jobs in America is our priority. We use USA-made materials, belt tensioners, metric flange bolts, pulleys, and more. Our focus on American manufacturing means reliable products you can trust. Your Complete LS Swap Shop From engine mounts to wiring, ICT Billet is your one-stop shop for LS swaps. We provide everything you need to make your swap smooth, efficient, and professional. SEMA Proud, SEMA Strong As a proud member of SEMA, we are part of an elite group of automotive manufacturers. Our dedication to quality and innovation sets us apart, delivering products you can depend on. Review: Perfect - It was a nightmare trying to find the right fittings for my transmission. I should have known better than to go with someone other than ICT Billet. These are perfect. Excellent price, excellent part. Review: 2001 Tahoe 4l60e/4l65e - Used these on my 4l65e with -6an to a stand alone transmission cooler kn my 01 Tahoe. Threaded in perfectly and no leaks with 3 weeks of daily driving. Great quality and easy to install ## Features - Build your own custom -AN transmission lines with these -6AN fittings - Compatible with GM transmission case holes, up to 2007 - Compatible with: TH350, TH400, 4L60E, 700R4, 200-4R, TR6060, Ford AOD 4R100, 4R70W, and C5 transmissions - Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum - Includes 2 fittings and orings ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MSCVIXG | | Best Sellers Rank | #41,380 in Automotive ( See Top 100 in Automotive ) #162 in Automotive Replacement Fuel System Fittings | | Brand | ICT Billet | | Brand Name | ICT Billet | | Color | Natural | | Connector Type | Flare | | Customer Reviews | 4.7 out of 5 stars 982 Reviews | | Exterior Finish | Metallic Finish | | Global Trade Identification Number | 00730792484763 | | Item Dimensions | 4.2 x 2.9 x 0.9 inches | | Item Weight | 3.84 Ounces | | Item dimensions L x W x H | 4.2 x 2.9 x 0.9 inches | | Manufacturer | ICT Billet | | Manufacturer Part Number | 551114 | | Material | Aluminum | | Material Type | Aluminum | | Model Number | 551114 | | Number of Pieces | 4 | | Set Name | Aluminum Hose Fitting Set (2 Fittings + 2 Orings) | | Size | 0.126 inches | | Thread Size | 1/4 inch | | Thread Type | NPSM | | UPC | 730792484763 | | Unit Count | 1 Count | ## Product Details - **Brand:** ICT Billet - **Color:** Natural - **Connector Type:** Adapter - **Exterior Finish:** Metallic Finish - **Item Weight:** 1.6 ounces - **Item dimensions L x W x H:** 4.2 x 2.9 x 0.9 inches - **Material:** Aluminum - **Size:** 0.126 inches - **Thread Size:** 1/4 inch - **Thread Type:** NPSM ## Images ![ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114 - Image 1](https://m.media-amazon.com/images/I/71BA1WujezL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect *by L***R on March 26, 2026* It was a nightmare trying to find the right fittings for my transmission. I should have known better than to go with someone other than ICT Billet. These are perfect. Excellent price, excellent part. ### ⭐⭐⭐⭐⭐ 2001 Tahoe 4l60e/4l65e *by J***M on March 27, 2025* Used these on my 4l65e with -6an to a stand alone transmission cooler kn my 01 Tahoe. Threaded in perfectly and no leaks with 3 weeks of daily driving. Great quality and easy to install ### ⭐⭐⭐⭐⭐ Do not put the smack down on it *by B***A on November 22, 2025* Works great, No leaks. An line converted my 01 Chevy and ran it straight to a cooler up front. Don’t over tighten these. I only used a socket and hand tightened them. ## Frequently Bought Together - ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114 - -6AN Hose Separator Clamp - Fuel line Mounting Clamps,Aluminum Hose Fitting Adapter, Great for 3/8 Fuel Hose, Oil Line, Brake Line, Water Pipe and Gas Line,4Pcs/Pack,Black - EVIL ENERGY 6AN Fuel Line Kit, 6AN Nylon Braided Fuel Line Hose Fitting Kit CPE 20FT Black --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/43207787-ict-billet-transmission-adapter-fittings-front-and-rear-6an-flare](https://www.desertcart.hr/products/43207787-ict-billet-transmission-adapter-fittings-front-and-rear-6an-flare) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-20*