{"product_id":"ridge-washer-16-inch-undercarriage-car-washer-4000-psi-4-nozzle-spray-bar-dual-casters","title":"RIDGE WASHER 16-inch Undercarriage Car Washer, 4000 PSI — 4-Nozzle Spray Bar \u0026 Dual Casters","description":"\u003cp\u003e\u003cstrong\u003eThe RIDGE WASHER 16-inch Undercarriage Car Washer is a heavy-duty underbody pressure-washing attachment that cleans vehicle frames, wheel wells and undercarriages using up to 4000 PSI for faster, safer washing without crawling under the car.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for homeowners, detailers and light commercial users, this undercarriage sprayer attaches to most pressure washers and can also run from a garden hose with the included stainless-steel adapter. Its 16-inch spray bar, four nozzles and dual caster wheels give stable coverage while two included wands (straight and 45°) let you reach under trucks, SUVs and cars. The unit supports hot or cold water pressure washers and handles common driveway and underbody grime like mud, road salt, and light oil residues when used with appropriate detergents and pressure settings.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I connect the RIDGE WASHER to my pressure washer or garden hose?\u003c\/h3\u003e\n\u003cp\u003eThere are two straightforward connection methods depending on whether you’re using a pressure washer or a garden hose. For pressure washer use, remove the garden hose adapter and attach the spray bar to your pressure-washer wand and gun. For low-pressure garden-hose tasks, screw the stainless-steel adapter into the spray bar, then connect a standard 3\/4\" garden hose to the adapter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePressure-washer hookup: remove adapter, attach to 1\/4\" quick-connect socket on wand.\u003c\/li\u003e\n  \u003cli\u003eGarden-hose hookup: use 3\/4\" GHT female to 1\/4\" socket stainless-steel adapter included.\u003c\/li\u003e\n  \u003cli\u003eIncluded extension wands: two 21.65\" straight wands and one 21.65\" 45° curved wand for access.\u003c\/li\u003e\n  \u003cli\u003eDual casters allow rolling the unit under the vehicle for hands-free sweeping coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat pressure and cleaning performance should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe RIDGE WASHER performs across a wide pressure range but works best when supplied by a machine producing 2500 PSI or higher. It is rated for safe operation between 1500 PSI and 4000 PSI; below 1500 PSI cleaning will be limited and above 4000 PSI may exceed the product’s working range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimal pressure: 2500–4000 PSI for reliable undercarriage cleaning.\u003c\/li\u003e\n  \u003cli\u003eOperating range: minimum 1500 PSI required for functional spraying.\u003c\/li\u003e\n  \u003cli\u003eFour spray nozzles provide overlapping jets to dislodge dirt and road deposits.\u003c\/li\u003e\n  \u003cli\u003eCompatible with both hot- and cold-water pressure washers for tougher grime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is included and what makes this model different from similar attachments?\u003c\/h3\u003e\n\u003cp\u003eThe RIDGE WASHER kit ships with the undercarriage attachment, two long straight extension wands, one 45° curved wand and a stainless-steel garden-hose adapter. Compared with many compact models, this unit has a wider 16-inch spray bar and four nozzles, plus two casters for smoother rolling and more consistent spray coverage under longer vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage: 16\" spray attachment, 2 x 21.65\" straight wands, 1 x 21.65\" 45° wand, 1 stainless-steel garden-hose adapter.\u003c\/li\u003e\n  \u003cli\u003eWider spray bar and extra nozzles for improved coverage versus smaller units.\u003c\/li\u003e\n  \u003cli\u003eCaster wheels reduce the need to crawl under vehicles, improving safety and efficiency.\u003c\/li\u003e\n  \u003cli\u003eWorks with hot or cold water pressure washers; garden-hose option for low-pressure rinsing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The RIDGE WASHER 16-inch Undercarriage Car Washer is made for DIY car owners, mobile detailers and small shop technicians who want a faster, safer way to clean undercarriages, wheel wells and chassis components. It’s a practical choice when you need a wide spray area, easier access under larger vehicles, and the flexibility to use either a pressure washer or a garden hose. Avoid using the attachment with pressure machines below 1500 PSI and always follow your pressure washer manufacturer’s safety guidelines when connecting accessories.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the RIDGE WASHER with hot water?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The unit supports both hot and cold water pressure washers; ensure your pressure washer meets the recommended PSI range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What PSI is required for effective cleaning?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The undercarriage washer functions from 1500–4000 PSI but performs best at 2500 PSI or higher.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RIDGE WASHER","offers":[{"title":"Default Title","offer_id":56827100037460,"sku":"B0DK4WB587","price":79.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/ridge-washer-front-view-attachment.jpg?v=1786993678","url":"https:\/\/gardenluxe.co.uk\/products\/ridge-washer-16-inch-undercarriage-car-washer-4000-psi-4-nozzle-spray-bar-dual-casters","provider":"Gardenluxe Uk","version":"1.0","type":"link"}