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YELLOW JACKET Adapter: 4 in Lg, 180° Angle, Input 5/16 in QC - Manifold Hose Adapters, Couplers & Unions
YELLOW JACKETManifold Hose Adapters, Couplers & Unions

YELLOW JACKET Adapter: 4 in Lg, 180° Angle, Input 5/16 in QC

The YELLOW JACKET Adapter (MPN 19121) is a 4-inch-long manifold hose adapter with a 180° angle. It features a 5/16-inch QC input and a 1/4-inch Male Flare output, designed for use in HVAC and refrigeration systems.

SKU 3G-OTH-71893

Brand
YELLOW JACKET
Item
Adapter: 4 in Lg, 180° Angle, Input 5/16 in QC
Category
Manifold Hose Adapters, Couplers & Unions
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Technical Specifications

YELLOW JACKET
Manufacturer Part Number
19121
Type
Input 5/16 in QC, Output 1/4 in Male Flare
Angle
180°
Product Type
Adapter
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YELLOW JACKET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YELLOW JACKET Adapter (MPN 19121) is a 4-inch-long manifold hose adapter with a 180° angle. It features a 5/16-inch QC input and a 1/4-inch Male Flare output, designed for use in HVAC and refrigeration systems.

Frequently Asked Questions

What is the YELLOW JACKET 19121 adapter used for?

The YELLOW JACKET 19121 adapter connects manifold hoses in HVAC and refrigeration systems. Its 180° angle and 4-inch length allow access in tight spaces, converting a 5/16-inch QC input to a 1/4-inch Male Flare output for service and charging tasks.

What are the specifications of the YELLOW JACKET 19121 adapter?

The YELLOW JACKET 19121 adapter has a 4-inch length, 180° angle, input of 5/16-inch QC, and output of 1/4-inch Male Flare. It is a manifold hose adapter designed for HVAC and refrigeration applications, manufactured by YELLOW JACKET under MPN 19121.

Where to buy the YELLOW JACKET 19121 adapter worldwide?

3G Electric supplies the YELLOW JACKET 19121 adapter worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this adapter for your HVAC or refrigeration needs.

How to install the YELLOW JACKET 19121 adapter?

To install the YELLOW JACKET 19121 adapter, connect the 5/16-inch QC input to your manifold hose and tighten the 1/4-inch Male Flare output to the system port. Ensure all connections are leak-free using standard HVAC practices. Always follow system manufacturer guidelines for safe operation.

Used in

Common applications for YELLOW JACKET
HVAC system charging and diagnostics — YELLOW JACKET Titan manifold gauge set (MPN 49977) for R-410A systems
Refrigerant recovery and evacuation — YELLOW JACKET two-stage vacuum pump (MPN 93600) for deep vacuum to 25 microns
Service port access and valve core removal — YELLOW JACKET brass valve core remover (MPN 18985) for charging applications
Hose and coupler connections in refrigeration lines — YELLOW JACKET quick coupler (MPN 19104) with 180° angle for tight spaces
Cylinder valve adaptation for refrigerant transfer — YELLOW JACKET cylinder valve adapter (MPN 19105) with 3/4-inch NPT to 1/4-inch SAE
Low-light work in mechanical rooms — YELLOW JACKET neck flashlight (MPN 10990) for hands-free illumination

YELLOW JACKET Products

3G Electric supplies YELLOW JACKET manifold hose adapters, couplers & unions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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