Automotive A/C service spans different vehicle generations, refrigerants, and system requirements. Products like the LF016R are designed to help a shop working with both R-134a and R-1234yf, providing leak detection equipment that accommodates those applications without turning every tool selection into a separate project. The objective remains straightforward: introduce the appropriate dye, inspect the system, and locate fluorescent evidence of a leak.
Meet the new LeakFinder LF016R BigEZâ„¢ Rechargeable Universal A/C Leak Detection Kit. It brings a rechargeable violet LED lamp, dedicated refrigerant service hoses, a caulking gun-style injector, and a high-capacity dye cartridge together in one complete package. Instead of assembling the core injection and inspection equipment piece by piece, technicians can start with a coordinated kit.
The LF016R combines three practical advantages: connections for two A/C refrigerants, a rechargeable inspection lamp, and one dye cartridge that treats up to 64 vehicles. Together, those features give automotive professionals a compelling new option for recurring fluorescent leak detection work.
One kit. Two A/C service connections.
The LF016R includes two dedicated hoses: a yellow LF18CS hose/coupler for R-134a and a blue LF19CS hose/coupler for R-1234yf. Each measures 18 inches, or 46 centimeters. Both are supplied with the kit, so its dual-service capability is part of the package rather than an additional hose purchase.
That distinction matters when evaluating an A/C leak detection kit. A lamp and dye may cover the inspection concept, but the connection equipment determines how the dye injection assembly interfaces with the intended system. The LF016R brings the two specified connections together with the injector and cartridge, making the kit’s application coverage clear from the outset.
The colors also make the hoses easy to distinguish within the kit. Yellow identifies the R-134a connection; blue identifies R-1234yf. These remain dedicated hoses for their respective applications, not interchangeable refrigerant fittings. The benefit is access to both connection options while retaining the correct equipment for each system.
For technicians, that means a consistent core product selection across these two A/C service applications. For service managers and aftermarket buyers, it means one kit specification that accounts for both refrigerants. A technician handling R-134a work and R-1234yf work can look to the same kit for the appropriate connection, while continuing to follow the requirements of each application.

Built around the dye cartridge
The LF50 injector gives the BigEZâ„¢ cartridge a working role within the kit. The cartridge sits in the caulking gun-style assembly, with the selected hose linking the dye supply to the vehicle’s A/C service connection. The injector, cartridge, and hose therefore function as a connected group, followed by the lamp during inspection.
The 18-inch hoses provide a flexible link between the handheld injection assembly and the service connection. For R-134a service, the yellow hose connects the injector to the appropriate fitting while the technician holds the assembly separately. The hose provides the connection, the cartridge supplies the dye, and the gun-style frame holds the cartridge for injection. Each part has a straightforward physical role.
The LF016R supplies more than a cartridge of A/C UV dye. It includes the hardware used to introduce that dye, as well as the lamp used to inspect for it. The package pairs its consumable dye supply with the equipment that puts it to work.
Because both dedicated hoses belong to the same kit, the dye delivery format stays familiar across R-134a and R-1234yf applications. The connection changes to suit the system; the basic relationship between cartridge, injector, and inspection lamp does not. That combination is central to the LF016R. It offers application flexibility through specific hose options, without asking the technician to think of each refrigerant as a completely separate fluorescent leak detection setup.
Inject the dye. Bring the leak into view.
Fluorescent leak detection turns escaping dye into a visible indication. Appropriate dye is introduced into the A/C system and allowed to circulate. Where dye escapes, it can collect at a leak location. Inspection with a suitable leak detection lamp makes that fluorescent evidence visible against the surrounding components.
The LF016R supplies equipment for both sides of that process. The LF50 caulking gun-style injector assembly holds the BigEZâ„¢ cartridge, and the appropriate included hose provides the connection for dye introduction. The LF500RCS violet LED lamp then provides the inspection tool used to look for fluorescent indications.
The visible result is what makes the method useful. The lamp illuminates the area being inspected, while the dye provides the fluorescent indication associated with an escape point. That distinction helps explain why a dedicated lamp and a suitable fluorescent dye belong together in an A/C leak detection kit.

The method also keeps attention on the physical location of the leak. Fluorescent evidence can help a technician connect a suspected problem with an area that needs further evaluation. This overview is not a complete service procedure; dye quantity, circulation, and inspection should follow the applicable product and vehicle instructions.
Finding a leak is different from recognizing that an A/C system has a problem. The LF016R is focused on the locating part of that work. Dye and a lamp provide a way to look for a physical indication, giving the inspection a visible point of reference.
Its contribution is not a refrigerant charge or a repair material; it is evidence. By bringing dye introduction and illumination together, the kit gives the technician tools to pursue that evidence within a broader diagnostic assessment. The goal is to identify where attention is needed, not to substitute for the repair itself.
Rechargeable inspection, ready for repeated use
The rechargeable inspection lamp is a defining feature of the LF016R. Its LF500RCS violet LED leak detection lamp eliminates disposable batteries and supports repeated shop use. Rechargeability belongs to the inspection lamp, while dye introduction is handled by the separate caulking gun-style assembly.
That division keeps the kit easy to understand. The injector delivers the dye; the lamp is the reusable inspection tool. After the lamp is recharged as directed, it can return to service without relying on another set of disposable batteries. For a product used across successive A/C jobs, that is a practical convenience rather than a feature reserved for occasional use.
The lamp also arrives as part of the complete kit. Buyers do not have to choose an injection package first and then identify a separate inspection lamp to complete it. The LF016R already combines the tools needed to introduce fluorescent dye and inspect for its indications.
Rechargeability also gives the kit a benefit that remains useful beyond its initial setup. Each time the lamp returns to inspection work, the same tool can support the next search for fluorescent evidence. Paired with the multi-vehicle dye supply, it makes the LF016R a package intended for continued use, not a single diagnostic occasion.
Up to 64 vehicles from one cartridge
The included LF1800CS BigEZâ„¢ universal A/C UV dye cartridge contains 8 fl oz, or 237 mL, and treats up to 64 vehicles. That capacity gives the LF016R a clear role in higher-volume A/C work, where dye injection is a recurring service activity rather than a one-time application.
A cartridge intended for multiple vehicles changes the value of the package. The injector and inspection lamp are not paired with dye intended for just one job. The included supply supports continued use of those tools, reducing cartridge changeovers and helping technicians keep moving through repeated service work.
The cartridge treats up to 64 vehicles, rather than promising a fixed number of applications regardless of the system being serviced. Actual treatment count depends on using the appropriate quantity for the application, so the product instructions remain the reference for dosing.
The capacity is especially relevant when considering what comes after the first service. The lamp and injector are tools for repeated use, and the included dye supply supports that same purpose. A complete kit should make sense not only when it is opened, but as it moves through additional applications. The LF016R pairs its reusable equipment with dye capacity suited to that continuing role.
Inside the LF016R

The five main components each have a defined role in the package:
- LF500RCS — Rechargeable violet LED leak detection lamp: Provides the fluorescent inspection capability and supports repeated use without disposable batteries.
- LF18CS — R-134a hose/coupler: Yellow, 18 in (46 cm), with a dedicated connection for R-134a service.
- LF19CS — R-1234yf hose/coupler: Blue, 18 in (46 cm), with a dedicated connection for R-1234yf service.
- LF50 — Caulking gun-style dye injector assembly: The injection assembly used with the BigEZ™ cartridge and appropriate hose.
- LF1800CS — BigEZ™ universal A/C UV dye cartridge: Contains 8 fl oz (237 mL) and treats up to 64 vehicles.
The component list shows why the LF016R is more than a lamp-and-dye bundle. It includes the injection assembly and both specified connection options, joining dye delivery with fluorescent inspection. Each item contributes to the same purpose, with the orange carrying case keeping the package together.
That complete format is also useful when identifying exactly what a product offer contains. Technicians can see the equipment behind the kit name, while distributors and buyers have individual part numbers for the main components. The component numbers also make it easier to discuss the exact configuration with the sales team, from the rechargeable lamp to the cartridge-based injection equipment.
The included dye: SAE J2297 and EV/Hybrid safe
The included UV dye meets SAE J2297 requirements and is EV/Hybrid safe. These are characteristics of the dye supplied in the LF1800CS cartridge, and they are an important part of the LF016R’s product specification.
Dye suitability and connection hardware address different questions. The dedicated hoses establish the kit’s R-134a and R-1234yf connection options. The dye specifications address the material introduced into the system. Considering both provides a more useful picture of an A/C UV dye kit than looking at its lamp or injector alone.
For automotive professionals evaluating fluorescent leak detection equipment, this distinction helps keep product selection precise. EV/Hybrid-safe dye does not make every connection or service procedure suitable for every vehicle. Application-specific instructions still matter. The LF016R brings the included dye and dedicated hose options together, while keeping vehicle-specific service requirements in view.
This gives the LF016R a product advantage that goes beyond the hardware. The package includes dye with defined SAE J2297 and EV/Hybrid-safe characteristics alongside the equipment for injection and inspection. Those details help automotive professionals evaluate the kit as a whole, rather than choosing the tools first and considering the dye afterward.
Explore the new LF016R
The new LeakFinder LF016R brings rechargeable inspection, dedicated R-134a and R-1234yf connections, and high-volume dye capacity into one complete A/C leak detection kit. It is a practical addition for professionals who want the core tools for fluorescent leak detection together, with clearly identified components and documented dye characteristics.
Explore the LF016R to review the full kit, learn more about its components and applications, and find purchasing information. From the first dye injection to the next fluorescent inspection, the package keeps the essential equipment connected to one clear purpose: helping technicians find A/C leaks.
See the LF016R in person at AAPEX 2026, Booth V5231. Speak with the Tracer Products sales team about LeakFinder A/C leak detection solutions and how the LF016R fits your A/C service needs.








