How long should i keep the engine running for UV dye to show up? And do i have to rev it or just idle it?

Since I used the fluorescent dye to detect leaks from the power-steering system I had to drive my car around for approx 15 mins to actually see where it was leaking from. At idle I couldn't see any leaks. After the drive the leak was pretty obvious and the UV light picked it up right away.

are glasses included?

Yes. They are an amber/yellow color

Can the kit be used to identify transmission leaks?

transmission leak should b readily identifiable by the red tint already in the fluid to b sure either water blast or at least hose off under hood all oils and then get on fairly clean surface to see if red oil shows up keep in mind u could have more than one leak and some people will put trans fluid in power steering complicating matters

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53351 Professional UV Leak Detection Kit – 12V High-Intensity Light – Detects A/C, Coolant, Fuel, Oil, ATF Leaks – Includes Universal Dyes, Glasses, R134a & R12 Compatible

Product ID: 3605817

🔦50W high-intensity UV light

🧪Universal fluorescent dye for 10+ uses

🛠️R134a & R12 system compatibility

¥25023

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Description

🔍 Illuminate leaks like a pro — don’t let hidden problems slow you down!

SEAMLESS COMPATIBILITY - Works effortlessly with both modern R134a and legacy R12 refrigerant systems—no technician left behind.
TRUSTED MASTERCOOL RELIABILITY - Backed by U.S.-based support and built for durability, ensuring your toolkit never lets you down.
COMPLETE PRO KIT IN RUGGED CASE - All essential tools, including dye remover, safety glasses, and service labels, organized for on-the-go professionals.
PINPOINT PRECISION LEAK DETECTION - 50-watt UV light reveals hidden leaks in A/C, coolant, fuel, oil, and ATF systems with laser focus.
UNIVERSAL DYE FOR MULTI SYSTEM USE - Includes oil and coolant fluorescent dyes, covering 10+ applications for versatile diagnostics.

The Mastercool 53351 Professional UV Leak Detection Kit is a comprehensive, portable solution designed for automotive and HVAC technicians. Featuring a powerful 50W 12V UV light, universal fluorescent dyes for oil and coolant systems, and compatibility with both R134a and R12 refrigerants, this kit enables precise detection of leaks in multiple fluid systems. Packaged in a durable carrying case with essential accessories and supported by U.S.-based customer service, it’s engineered for professional-grade performance and reliability.

Specifications

ASIN	B000IHJXHG
Best Sellers Rank	#183,276 in Automotive ( See Top 100 in Automotive ) #59 in Air Conditioning Leak Detection Tools
Brand	Mastercool
Customer Reviews	4.5 4.5 out of 5 stars (439)
Date First Available	March 1, 2008
Is Discontinued By Manufacturer	No
Item Weight	2.2 pounds
Item model number	53351-B
Manufacturer	Mastercool
Manufacturer Part Number	53351-B
Model	Professional UV Leak Detector Kit
Product Dimensions	9.75 x 6.75 x 3.25 inches

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥25023

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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