Mobling Car A/C Repair Kit — 270-piece O-ring + 40 valve core kit for R12 & R134a with tool included

This all-in-one kit bundles a wide range of sealed O-rings and multiple valve cores so you can service automotive A/C fittings, replace worn seals, and swap valve cores without searching for individual parts. Packaged in compact, light-latched cases, the set is arranged for quick identification and transport — useful in a home garage, roadside kit, or professional shop. The kit also contains valve cores compatible with many tire valve stems, adding flexibility for general vehicle maintenance.

What does the kit include and how is it organized?

The kit combines a 270-piece assortment of nitrile O-rings and a 40-piece valve core collection, plus a dedicated valve core removal/installation tool. Each component is sorted into a labeled plastic box so parts stay separated and easy to access when you need them.

• 270 assorted O-rings in multiple diameters and cross-sections for A/C fittings and general sealing tasks
• 40 valve cores covering common R12 and R134a sizes and some universal tire valve cores
• Manual valve core remover/installer tool for quick, tool-free swaps
• Light-latch storage boxes for safe transport and neat organization

How will this kit help with A/C leaks and routine maintenance?

O-rings and valve cores are common culprits for refrigerant leakage and pressure loss; replacing them often restores sealing without expensive component replacement. Having the right sizes on hand reduces downtime and lets you perform targeted repairs instead of wholesale system disassembly.

• Replace brittle or flattened O-rings at service ports, hose ends, and fittings
• Swap damaged valve cores to stop slow leaks at Schrader-style ports
• Perform preventive maintenance and quickly verify pressure holds after repairs

Is the kit compatible with my vehicle or tools I already own?

The valve core assortment covers the most common R12 and R134a types used across many vehicles; some cores are also suitable for tire valve stems. O-rings come in sizes that match typical automotive A/C fittings and general plumbing or mechanical uses, making the set broadly compatible.

• Valve cores include common R12 and R134a types used by many car manufacturers
• O-rings work for standard A/C service ports, hose connections, and general sealing tasks
• Valve core tool fits standard Schrader-style valve stems for insertion and removal

How do I store and transport this kit efficiently?

The included containers use light-latch closures and compartmented trays so you can keep parts sorted, protect small pieces, and carry the kit in a toolbox or vehicle without spills. The compact footprint saves space on shop shelves or in trunk storage.

• Compact plastic cases fit into standard tool chests or glove compartments
• Clear labeling or visible compartments help you find sizes fast
• Durable latches prevent accidental opening during transport

Who is this for: This Mobling kit is built for DIY car owners, roadside technicians, and professional mechanics who need a wide selection of O-rings and valve cores on hand for routine A/C service, quick repairs, or multi-vehicle shops. It’s also practical for plumbing and general mechanical work where a broad assortment of seals and valve cores saves time and prevents unnecessary part orders. Buying this set supports a U.S. family-owned business while supplying a versatile collection that reduces downtime and keeps systems sealed.