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Four-piece aluminum and rubber AC line terminator kit with coupler bodies, nuts, sealing sleeves and anti-vibration rings

AirSept

AirSept 76504 Line Terminator Rear AC Blockoff 5/8" OD 4-Piece Kit

SKU CH-CR72-9WH6S

A four-piece kit with coupler bodies, nuts, sealing sleeves and anti-vibration tension rings for A/C line termination

  • Product typeAccessories & Compressors
  • Blocks rear AC lines effectively with precision 5/8" OD fit
  • Durable aluminum and rubber construction resists corrosion and vibration
  • Four-piece kit includes coupler body, nuts, sleeves, and tension rings
  • Ready for A/C equipment, heater, and transmission applications
  • New condition ensures reliable sealing performance out of the box

AirSept 76504 Line Terminator Kit

This four-piece kit provides rear AC blockoff terminators designed for automotive air-conditioning, heater and transmission systems. It suits technicians and DIY owners who need to seal 5/8 inch OD lines during service or component replacement. The package includes coupler bodies, nuts, sealing sleeves and anti-vibration tension rings for a complete installation.

Practical Limits of the 5/8 Inch OD Interface

The terminators fit lines with a 5/8 inch outside diameter, so they cannot be used on larger or smaller tubing without adapters. They are intended for stationary blockoff points rather than dynamic connections that see frequent disconnect cycles. The aluminium and rubber construction handles typical automotive fluid temperatures but is not rated for extreme high-pressure hydraulic circuits beyond standard A/C and transmission pressures.

Aluminium and Rubber Build with Anti-Vibration Rings

The bodies are machined from aluminium for corrosion resistance while the rubber sleeves and tension rings absorb vibration that could loosen threaded joints over time. Each piece measures 5-3/4 inches high by 2-1/20 inches wide, allowing clearance in tight engine-bay spaces. The included nuts and couplers thread directly onto prepared line ends, giving a secure seal without specialised tools.

How it compares

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

Price $18.99
Cheaper than about 64% of the 874 comparable items (median $25.99).

Specifications

Product
Brand nameAIRSEPT
Product typeAccessories & Compressors

Questions about this item

Which kit should I pick if I need the 5/8 inch OD size?

The 76504 kit is the only version offered in this listing and it ships as a 4-piece set with the 5/8 inch OD specification.

What does the 5/8 inch OD mean once the blockoff is installed on my A/C line?

It matches a 5/8 inch outside-diameter line so the aluminum body, rubber sealing sleeves and anti-vibration tension rings create a tight, leak-free rear AC blockoff.

What connection standard does this blockoff use and what does it cap in practice?

It uses a direct slip-on fit with the included coupler body and nuts, capping the rear A/C port on automotive air-conditioning, heater or transmission lines.

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