--- product_id: 226588857 title: "53451-110 Rechargeable UV Leak Detection Kit – Includes High-Intensity UV Flashlight, 2 oz Refillable Dye Injector, Universal Dye, Glasses & Accessories – A/C, Oil, Coolant Leak Locator" brand: "mastercool" price: "€ 435.31" currency: EUR in_stock: true reviews_count: 4 category: "Mastercool" url: https://www.desertcart.pt/products/226588857-53451-110-rechargeable-uv-leak-detection-kit-includes-high-intensity store_origin: PT region: Portugal --- # 2 oz refillable universal dye injector Dual power: rechargeable Li-Ion + AAA batteries 50W-equivalent UV flashlight power 53451-110 Rechargeable UV Leak Detection Kit – Includes High-Intensity UV Flashlight, 2 oz Refillable Dye Injector, Universal Dye, Glasses & Accessories – A/C, Oil, Coolant Leak Locator **Brand:** mastercool **Price:** € 435.31 **Availability:** ✅ In Stock ## Summary > 🔍 Illuminate leaks like a pro—don’t let hidden drips drain your day! ## Quick Answers - **What is this?** 53451-110 Rechargeable UV Leak Detection Kit – Includes High-Intensity UV Flashlight, 2 oz Refillable Dye Injector, Universal Dye, Glasses & Accessories – A/C, Oil, Coolant Leak Locator by mastercool - **How much does it cost?** € 435.31 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/226588857-53451-110-rechargeable-uv-leak-detection-kit-includes-high-intensity) ## Best For - mastercool enthusiasts ## Why This Product - Trusted mastercool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Power Flexibility:** Never get caught powerless—use rechargeable Li-Ion or AAA batteries included for ultimate convenience. - • **Pro-Grade UV Precision:** Pinpoint leaks fast with a powerful UV light rivaling a 50W lamp for flawless diagnostics. - • **Universal Dye Injector:** Inject oil, coolant, or refrigerant dye with a durable, refillable 2 oz injector featuring air purge and twist-handle control. - • **Safety Meets Efficiency:** UV-enhancing glasses and detailed instructions ensure professional-grade results without compromising safety. - • **All-in-One Leak Detection Kit:** Complete with dye remover, UV safety glasses, and 25 applications of universal dye—everything you need in one sleek case. ## Overview The Mastercool 53451-110 Rechargeable UV Leak Detection Kit is a professional-grade diagnostic tool designed for automotive and HVAC systems. Featuring a high-intensity UV flashlight equivalent to a 50W lamp, dual power options (rechargeable Li-Ion and AAA batteries), and a 2 oz refillable universal dye injector, this kit enables fast, accurate detection of leaks in A/C, oil, coolant, fuel, and ATF systems. Complete with dye remover, UV safety glasses, and a durable carrying case, it’s engineered for efficiency, safety, and portability—backed by Mastercool’s U.S.-based support. ## Description Mastercool 53451-110 Rechargeable UV Leak Detection Kit The Mastercool 53451-110 kit provides professional-grade UV leak detection for automotive and HVAC applications. Designed for use on A/C, engine, coolant, fuel, oil, and ATF systems. Kit Contents: - Rechargeable High-Intensity UV Flashlight (53518-UV) - Lithium-Ion Battery & 110V Charger - AAA Battery Holder + 3 AAA Batteries - 2 oz Refillable Dye Injector (53123) - 2 oz Universal Fluorescent Dye (25 applications) - 4 oz Dye Remover - UV-Enhancing Safety Glasses - 25 Service Information Labels - Durable Molded Carrying Case Key Benefits: ✔️ Detects A/C, engine, oil, fuel, coolant, and ATF leaks ✔️ Compact yet powerful UV light for accurate diagnostics ✔️ Multiple power options: rechargeable Li-Ion or AAA batteries ✔️ Refillable injector with purge capability and precise control ✔️ Molded case keeps everything organized and portable Important Use Notes: - Always wear safety glasses and gloves during dye injection - Purge air from injector hose before first use - Never operate UV light without UV safety glasses - Do not store batteries in high-temperature environments Built for professional technicians and backed by Mastercool’s U.S.-based support team. Review: Great AC kit for a shop had everything you need to check for AC leaks. Review: As described ## Features - Causes serious eye irritation. - Flammable liquid and vapour. - May cause damage to organs through prolonged or repeated exposure. - ✔️ Complete Leak Detection Kit – Includes rechargeable UV flashlight, 2 oz refillable dye injector, 2 oz concentrated universal dye (25 applications), dye remover, and safety glasses. - ✔️ Professional-Grade UV Light – Powerful light output equivalent to a 50-watt UV lamp. Compatible with rechargeable Li-Ion or AAA batteries (both included) and 110V charger. - ✔️ Refillable Injector for Universal Use – Durable 2 oz injector works with R134a and R12 A/C systems and supports oil, coolant, and refrigerant dye injection. Includes hose and service coupler. - ✔️ Easy Dye Injection & Air Purge Process – Detailed instructions included. Injector features air purge steps and application control using twist-handle design. - ✔️ Circulate, Detect & Confirm Leaks Fast – After injecting dye, run A/C system to circulate, then inspect with UV light to spot fluorescent leaks. Works on A/C, engine coolant, oil, ATF, and fuel systems. - ✔️ Safety First Design – Includes UV-enhancing safety glasses. Always wear eye protection and gloves. Do not look directly into UV light. Avoid battery storage in high-heat environments. - ✔️ Mastercool Quality & Support – Built for working professionals and backed by our responsive U.S.-based support team. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00I3GNKF0 | | Batteries | 3 AAA batteries required. (included) | | Best Sellers Rank | 1,006,159 in Automotive ( See Top 100 in Automotive ) 689 in Automotive Air Conditioning Line Repair Tools | | Brand | Mastercool | | Customer Reviews | 4.4 4.4 out of 5 stars (57) | | Date First Available | 7 Feb. 2014 | | Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. | | Exterior | ABS plastic | | Item Weight | 2.72 kg | | Item model number | 53451-110 | | Manufacturer | Mastercool | | Manufacturer part number | 53451-110 | | Model | 53451-110 | | Product Dimensions | 15.24 x 27.94 x 22.86 cm; 2.72 kg | ## Images ![53451-110 Rechargeable UV Leak Detection Kit – Includes High-Intensity UV Flashlight, 2 oz Refillable Dye Injector, Universal Dye, Glasses & Accessories – A/C, Oil, Coolant Leak Locator - Image 1](https://m.media-amazon.com/images/I/81crZnMSCRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by E***G on 22 July 2020* Great AC kit for a shop had everything you need to check for AC leaks. ### ⭐⭐⭐⭐⭐ Review *by H***R on 15 June 2018* As described ### ⭐⭐ Review *by A***M on 19 June 2024* The UV light does not work and makes the whole kit useless if you don't buy a new one. ## Frequently Bought Together - Mastercool 53451-110 Rechargeable UV Leak Detection Kit – Includes High-Intensity UV Flashlight, 2 oz Refillable Dye Injector, Universal Dye, Glasses & Accessories – A/C, Oil, Coolant Leak Locator - InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Detection UV Dye Detects Leaks in R-12 and R-134A Condition Systems, 1 Oz - Car A/C Repair Kit - O-Ring Set + AC Valve Cores | Fix Air Conditioning | + Removal & Install Tool | R12 & R134a | - Also for Tire Valve Stems! --- ## 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.pt/products/226588857-53451-110-rechargeable-uv-leak-detection-kit-includes-high-intensity](https://www.desertcart.pt/products/226588857-53451-110-rechargeable-uv-leak-detection-kit-includes-high-intensity) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-22*