SANTANTOOOL AC Hose & Fitting Kit 26pc — 3×9.5 ft (#6/#8/#10) with Aluminum Fittings & Pipe Cutter

SANTANTOOOL's 26-piece AC hose and fitting kit supplies three 9.5 ft hoses (#6, #8, #10) plus a full set of straight and 90° aluminum fittings and service valves, ready for passenger-car air conditioning repairs and hose fabrication.

This kit brings factory-compatible hose lengths and multiple fittings together so you can route lines, replace damaged hoses, or build custom AC runs on cars that use R134a service fittings. The hoses are rubber/plastic composites sized to common automotive inner diameters and come with aluminum-alloy fittings in straight and 90-degree orientations, including service ports for R134a. The package also includes a compact pipe cutter to trim hose cleanly for a tight connection. Note: designed for passenger cars—not intended for heavy-duty truck compressors.

How do the hose sizes match typical passenger-car AC systems?

The kit covers three standard service sizes to fit most passenger-vehicle applications. Each hose is about 9.5 feet long, allowing flexible routing and spare length for custom runs. Inner and outer diameters follow common automotive measurements so fittings seat securely without expensive custom fabrication.

• #6 hose: ~5/16" I.D. (8.2±0.4mm), O.D. 19±0.5mm — 2m length
• #8 hose: ~13/32" I.D. (10.5±0.4mm), O.D. 23±0.5mm — 2m length
• #10 hose: ~1/2" I.D. (13±0.4mm), O.D. 25.4±0.5mm — 2m length

What fittings and valves are included, and how do they help with installation?

The kit contains multiple straight and 90-degree aluminum alloy fittings for each size, so you can choose the orientation that best fits tight engine bays. It also includes service fittings with R134a valve cores for charging and testing. The aluminum fittings resist corrosion and thread to standard UNF sizes for reliable sealing.

• #6 fittings: 5/8-18UNF — straight and 90° variants (six total)
• #8 fittings: 3/4-16UNF — straight, 90°, plus R134a valve versions
• #10 fittings: 7/8-14UNF — straight, 90°, plus R134a valve versions

How do I prepare and connect hoses for a secure seal?

Trim hose ends squarely with the included pipe cutter, then slide the correct fitting in place and torque to the specified thread engagement. Use the correct hose size to match the fitting thread and ensure the ferrule or clamping method is properly seated. Finish with leak testing via the included R134a service ports before returning the system to normal operation.

• Trim hoses cleanly using the supplied cutter to avoid fraying
• Select matching fitting size and orientation before assembly
• Tighten fittings to recommended torque and test with R134a-compatible gauge

Who is this kit best for? This SANTANTOOOL 26-piece package suits DIY mechanics, independent automotive technicians, and restoration enthusiasts working on passenger vehicles that use R134a refrigerant. It’s ideal when you need spare hose lengths for custom routing, replacement hoses for small repairs, or a variety of fitting orientations to navigate tight spaces. Avoid using this kit on heavy-duty truck compressors or systems that require larger, specialized fittings.