--- product_id: 40718526 title: "SST-6604 Transmission Fluid Fill Adapter - Compatible with Ford 5R55W & 5R55S Transmissions/Replacement Tool for Ford 307-437 & OTC 6604 Tools" brand: "streetside tools" price: "KD 6.64" currency: KWD in_stock: true reviews_count: 8 category: "Streetside Tools" url: https://www.desertcart.com.kw/products/40718526-sst-6604-transmission-fluid-fill-adapter-compatible-with-ford-5r55w store_origin: KW region: Kuwait --- # Ensures perfect transmission fluid level Precision fit for Ford 5R55W & 5R55S Compatible with OEM Ford 307-437 & OTC 6604 SST-6604 Transmission Fluid Fill Adapter - Compatible with Ford 5R55W & 5R55S Transmissions/Replacement Tool for Ford 307-437 & OTC 6604 Tools **Brand:** streetside tools **Price:** KD 6.64 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Master your Ford’s transmission like a proβ€”no dealer needed! ## Quick Answers - **What is this?** SST-6604 Transmission Fluid Fill Adapter - Compatible with Ford 5R55W & 5R55S Transmissions/Replacement Tool for Ford 307-437 & OTC 6604 Tools by streetside tools - **How much does it cost?** KD 6.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/40718526-sst-6604-transmission-fluid-fill-adapter-compatible-with-ford-5r55w) ## Best For - streetside tools enthusiasts ## Why This Product - Trusted streetside tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Step-by-Step Fluid Control:** Fill your transmission fluid precisely to OEM specs, avoiding overfill or leaks. - β€’ **Perfect Fit, Zero Guesswork:** Engineered specifically for Ford 5R55W & 5R55S transmissions for flawless compatibility. - β€’ **Compact & Lightweight Power Tool:** Weighs just 0.3 oz, easy to store in your mechanic toolkit or glove box. - β€’ **Dealer-Level Maintenance, DIY Style:** Save big by skipping costly dealer service fees with a pro-grade fill adapter. - β€’ **Trusted by Ford Owners & Mechanics Alike:** Over 500 five-star reviews prove it works seamlessly on multiple Ford Explorer models. ## Overview The SST-6604 Transmission Fluid Fill Adapter is a precision-engineered tool designed for Ford 5R55W and 5R55S automatic transmissions (2003+ Explorers). It enables accurate fluid filling to OEM standards, eliminating the need for dealer service. Lightweight and compatible with Ford OEM tools, it’s a must-have for mechanics and DIY enthusiasts aiming for professional-grade maintenance and cost savings. ## Description Features: This is a required tool to fill or add fluid to the 5R55W automatic transmission used on 2003-newer Explorers. Instructions: Drive the vehicle until the transmission is at operating temperature. Make SURE it is level. With the transmission in Park and the engine idling, remove the Oil level check plug from bottom center of transmission pan. There are two plugs, one within the other. The oil check plug is the center one with the 3/16" allen. When full, fluid should just trickle out of this hole. 1.) Remove the inner fill plug from transmission. Use a wrench to hold the outer nut to prevent draining all the fluid. 2.) Install the SST-6604 tool. 3.) Fill transmission to correct fluid level. Add fluid in small increments and continually check until fluid is slowly dripping. 4.) Remove the SST-6604 tool. 5.) Some leaking will occur this is normal and you should let this happen so that the proper level is attained. 6.) Re-install the inner fill plug in transmission. Review: Works great with my vehicles - This adapter works for my 2004 ford explorer 4.6l 4x4 XLT & my 2009 ford explorer 4.0l 4x4 Eddie Bauer Review: Works as it should - Works as it should ## Features - Save money by not having to get it serviced at the dealer - A must have tool for every mechanic;;; - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XJD8TCW | | Best Sellers Rank | #327,911 in Automotive ( See Top 100 in Automotive ) #135 in Automotive Replacement Transmission Tools | | Brand | Streetside Tools | | Customer Reviews | 4.6 4.6 out of 5 stars (514) | | Date First Available | October 17, 2016 | | Is Discontinued By Manufacturer | No | | Item Weight | 0.317 ounces | | Item model number | SST-6604 | | Manufacturer | Streetside Tools | | Manufacturer Part Number | SST-6604 | | Package Dimensions | 2.17 x 1.93 x 0.94 inches | ## Images ![SST-6604 Transmission Fluid Fill Adapter - Compatible with Ford 5R55W & 5R55S Transmissions/Replacement Tool for Ford 307-437 & OTC 6604 Tools - Image 1](https://m.media-amazon.com/images/I/516NOLIdPXL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great with my vehicles *by D***F on October 8, 2025* This adapter works for my 2004 ford explorer 4.6l 4x4 XLT & my 2009 ford explorer 4.0l 4x4 Eddie Bauer ### ⭐⭐⭐⭐⭐ Works as it should *by T***Y on December 9, 2025* Works as it should ### ⭐⭐⭐⭐⭐ Absolute must for many fords *by C***Y on July 11, 2024* Bought this to add fluid to a 2010 mustang since they have no filler or dipstick from the factory. Use this in conjunction with a small hand pump that goes on the fluid jug and the job isn't too bad --- ## 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.com.kw/products/40718526-sst-6604-transmission-fluid-fill-adapter-compatible-with-ford-5r55w](https://www.desertcart.com.kw/products/40718526-sst-6604-transmission-fluid-fill-adapter-compatible-with-ford-5r55w) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-15*