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Sixteen aluminium straight reducers with rubber sealing sleeves and anti-vibration rings

AirSept

AirSept 76005 Line Splice Straight Reducer 1/2"-5/16" OD 16-piece

SKU CH-77N1-MVDY9

Connects 1/2" and 5/16" lines with aluminum and rubber fittings in a 16-piece set

  • Product typeAccessories & Compressors
  • Connects 1/2" to 5/16" OD lines with straight reducer design
  • Durable aluminum and rubber construction resists vibration and wear
  • Supports A/C, heater and transmission system repairs
  • Includes coupler body, nuts, sleeves and anti-vibration rings
  • Ready to install in 16-piece bulk pack

AirSept 76005 Line Splice Reducer

The AirSept 76005 is a straight reducer designed to join 1/2 inch and 5/16 inch outer-diameter lines in automotive air-conditioning, heater or transmission circuits. It suits professional technicians and DIY mechanics who need a reliable transition between dissimilar tube sizes during repairs or custom assemblies.

Build Quality and Daily Use

Each piece combines an aluminium body with rubber sealing sleeves and anti-vibration tension rings to maintain a tight seal under pressure and engine vibration. The included coupler body and nuts allow tool-friendly assembly without specialised flaring equipment, reducing time spent on each connection.

Upgrade Context and Fit

This 16-piece kit replaces makeshift adapters or mismatched fittings that can leak refrigerant or fluid over time. The jump is worthwhile when a workshop regularly services systems requiring this specific size reduction and wants a consistent, repeatable joint without fabricating custom reducers.

How it compares

Measured against everything we stock in Solar-Powered Chargers & Devices, at today’s prices. Recalculated every night.

Price $24.99
Typical for this category: the median of 874 items is $25.99.

Specifications

Product
Brand nameAIRSEPT
Product typeAccessories & Compressors

Questions about this item

What tube sizes does the 1/2"-5/16" reducer connect?

The straight reducer joins 1/2 inch outer-diameter tubing to 5/16 inch outer-diameter tubing in a single splice.

What hardware is included for mounting the splice?

The kit supplies coupler bodies, nuts, sealing sleeves and anti-vibration tension rings for a secure fit.

How do you assemble the splice without leaks?

Slide the nut and sealing sleeve onto each tube, insert the tube fully into the coupler body, then tighten the nut to compress the sleeve.

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