QC14SET Manual Coupler Set with AD84L Adapter

CPS Automotive®

QC14SET Manual Coupler Set with AD84L Adapter

Part Number: QC14SET

Key Features

High- and low-side R-134a manual couplers included
Six-ball alignment system maintains secure engagement
AD84L adapter converts 1/4″ SAE to R-134a service ports
Compatible with automotive and HVAC/R manifold sets
Supports vacuum, recovery, diagnostics, and charging

The QC14SET Manual Coupler Set combines both R-134a high- and low-side premium manual couplers with the AD84L adapter fitting, enabling conversion from 1/4" SAE connections to R-134a service ports. Designed for compatibility with R-12 and R-134a manifolds and machines, the set supports versatile service access for automotive and HVAC/R applications.

  • Complete service access: Includes both high- and low-side R-134a couplers
  • 1/4" SAE conversion: AD84L adapter converts 1/4" SAE to R-134a
  • Six-ball latching design: Provides improved alignment and secure engagement
  • Broad compatibility: Works with R-12, R-134a, and most HVAC/R manifold sets

Use the QC14SET to gain full service access to R-134a systems while maintaining compatibility with legacy 1/4" SAE equipment.

Key Advantages

  • High- and low-side manual couplers included
  • Six-ball alignment system for secure engagement
  • AD84L adapter converts 1/4" SAE to R-134a service ports
  • Compatible with automotive and HVAC/R manifold sets
  • Supports diagnostics, vacuum, and charging operations

What’s Included

  • QCL14 Low-Side Manual Coupler
  • QCH14 High-Side Manual Coupler
  • AD84L Adapter Fitting (1/4" SAE to R-134a)

Product Specifications

Product Number QC14SET
Product Name Manual Coupler Set with AD84L Adapter
Applications Automotive A/C diagnostics, charging, and vacuum service
Compatible Systems R-134a; R-12 with adapter
Includes QCL14, QCH14, AD84L

Technical Information

Coupler Types High-side and low-side manual
Refrigerant R-134a (R-12 compatible with adapter)
Connector Size 1/4" SAE via adapter
Latching Mechanism Six-ball alignment
Primary Use Automotive A/C system service and diagnostics

Warranty

1-Year

Get Pricing & Availability

Submit the form to receive current pricing, compatibility details, and availability from a CPS sales specialist within 2–3 business days.

Talk to a Product Specialist

Get pricing, availability, or help selecting the right equipment for your team.

By submitting this form, you agree to our Privacy Policy.