--- product_id: 12146483 title: "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" price: "£169.15" currency: GBP in_stock: true reviews_count: 4 url: https://www.desertcart.co.uk/products/12146483-mastercool-53451-110-rechargeable-uv-leak-detection-kit-includes-high store_origin: GB region: United Kingdom --- # 2 oz refillable universal dye injector Rechargeable Li-Ion & AAA battery compatible 50W-equivalent UV flashlight 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 **Price:** £169.15 **Availability:** ✅ In Stock ## Summary > 🔍 Spot leaks before they spot you – Mastercool’s ultimate UV detection kit! ## Quick Answers - **What is this?** 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 - **How much does it cost?** £169.15 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/12146483-mastercool-53451-110-rechargeable-uv-leak-detection-kit-includes-high) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Leak Detection Kit:** All-in-one solution with dye, remover, safety glasses, and accessories for professional use. - • **Pro-Grade UV Detection Power:** Experience intense 50W-equivalent UV light for pinpoint leak spotting. - • **Versatile Refillable Injector:** Inject dye seamlessly into A/C, oil, coolant, and refrigerant systems with ease. - • **Fast & Accurate Leak Confirmation:** Circulate dye and detect leaks quickly to minimize downtime and costly repairs. - • **Built for the Pros, Backed by Support:** Durable USA-made kit with responsive customer service to keep you moving. ## Overview The Mastercool 53451-110 Rechargeable UV Leak Detection Kit is a professional-grade, all-inclusive system designed for fast and accurate detection of leaks in A/C, oil, coolant, and refrigerant systems. Featuring a powerful 50W-equivalent UV flashlight compatible with rechargeable Li-Ion and AAA batteries, a durable 2 oz refillable dye injector, universal dye for up to 25 applications, and safety glasses, this USA-made kit ensures reliable performance and safety for technicians and managers aiming to prevent costly system failures. ## 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: THE all in one kit - Great AC kit for a shop had everything you need to check for AC leaks. Review: Good product - As described ## Features - ✔️ 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 | |---------------|-------| | Manufacturer | Mastercool | | Brand | Mastercool | | Model | 53451-110 | | Item Weight | 6 pounds | | Product Dimensions | 6 x 11 x 9 inches | | Country of Origin | USA | | Item model number | 53451-110 | | Batteries | 3 AAA batteries required. (included) | | Is Discontinued By Manufacturer | No | | Exterior | ABS plastic | | Manufacturer Part Number | 53451-110 | | Bulb Type | UV light | ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/81crZnMSCRL.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/91n3u7oBhdL.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/71fKcDqldjL.jpg) ![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 - Image 4](https://m.media-amazon.com/images/I/811bjWJGFYL.jpg) ![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 - Image 5](https://m.media-amazon.com/images/I/81hBrzfr0YL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ THE all in one kit *by E***G on July 22, 2020* Great AC kit for a shop had everything you need to check for AC leaks. ### ⭐⭐⭐⭐⭐ Good product *by H***R on June 15, 2018* As described ### ⭐⭐ UV light does not work *by A***M on June 19, 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.co.uk/products/12146483-mastercool-53451-110-rechargeable-uv-leak-detection-kit-includes-high](https://www.desertcart.co.uk/products/12146483-mastercool-53451-110-rechargeable-uv-leak-detection-kit-includes-high) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-22*