Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
YELLOW JACKET High Side Coupler: 4 in Lg - Manifold Hose Adapters, Couplers & Unions
YELLOW JACKETManifold Hose Adapters, Couplers & Unions

YELLOW JACKET High Side Coupler: 4 in Lg

The YELLOW JACKET High Side Coupler (MPN 45931) is a manifold hose adapter, coupler, and union made of aluminum. It has a 4-inch length and a 1/4-inch input. This product is designed for use in HVAC and refrigeration…

SKU 3G-OTH-71911

Brand
YELLOW JACKET
Item
High Side Coupler: 4 in Lg
Category
Manifold Hose Adapters, Couplers & Unions
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

YELLOW JACKET
Manufacturer Part Number
45931
Material
Aluminum
Product Type
High Side Coupler
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

YELLOW JACKET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YELLOW JACKET High Side Coupler (MPN 45931) is a manifold hose adapter, coupler, and union made of aluminum. It has a 4-inch length and a 1/4-inch input. This product is designed for use in HVAC and refrigeration systems.

Frequently Asked Questions

What is the YELLOW JACKET High Side Coupler 45931 used for?

The YELLOW JACKET High Side Coupler 45931 is used in HVAC and refrigeration systems to connect manifold hoses to the high-pressure side of a system. Its aluminum construction provides durability and corrosion resistance for professional service applications.

What are the specifications of the YELLOW JACKET High Side Coupler 45931?

The YELLOW JACKET High Side Coupler 45931 has a 4-inch length and a 1/4-inch input. It is made of aluminum and is classified as a manifold hose adapter, coupler, and union. The manufacturer part number is 45931.

Where to buy the YELLOW JACKET High Side Coupler 45931 worldwide?

3G Electric supplies the YELLOW JACKET High Side Coupler 45931 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this part for your HVAC or refrigeration needs.

How to install the YELLOW JACKET High Side Coupler 45931?

To install the YELLOW JACKET High Side Coupler 45931, ensure the system is depressurized. Connect the 1/4-inch input to the corresponding manifold hose fitting and tighten securely by hand. Always follow standard HVAC safety practices and use appropriate thread sealant if required.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
YELLOW JACKET Coupler: 3 1/2 in Lg, 180° Angle, Input 1/4 in Male SealRight™ (MPN 19109). Key specifications — Product Type: Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19109; Material: Brass.
YELLOW JACKET
YELLOW JACKET Coupler: 3 1/2 in Lg, 180° Angle, Input 1/4 in Male SealRight™ (MPN 19109). Key specifications — Product Type: Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19109; Material: Brass.
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 180° Angle, Input 1/4 in Female QC (MPN 19118). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19118.
YELLOW JACKET
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 180° Angle, Input 1/4 in Female QC (MPN 19118). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19118.
YELLOW JACKET Coupler: 2 in Lg, 45° Angle, Input 1/4 in Male SealRight™, Output 1/4 in Female Flare (MPN 19208). Key specifications — Product Type: Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19208; Material: Brass.
YELLOW JACKET
YELLOW JACKET Coupler: 2 in Lg, 45° Angle, Input 1/4 in Male SealRight™, Output 1/4 in Female Flare (MPN 19208). Key specifications — Product Type: Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19208; Material: Brass.
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 180° Angle, Input 1/4 in Female QC, Output 1/4 in Male NPT (MPN 19116). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19116.
YELLOW JACKET
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 180° Angle, Input 1/4 in Female QC, Output 1/4 in Male NPT (MPN 19116). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19116.

More from YELLOW JACKET

View all YELLOW JACKET parts →
YELLOW JACKET Coupler: 8 1/2 in Lg, 90° Angle, Input 1/4 in Male SealRight™ (MPN 19209). Key specifications — Product Type: Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19209; Material: Brass.
YELLOW JACKET
YELLOW JACKET Coupler: 8 1/2 in Lg, 90° Angle, Input 1/4 in Male SealRight™ (MPN 19209). Key specifications — Product Type: Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19209; Material: Brass.
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 90° Angle, Input 1/4 in Female QC (MPN 19201). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19201.
YELLOW JACKET
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 90° Angle, Input 1/4 in Female QC (MPN 19201). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19201.
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 180° Angle, Input 1/4 in Female QC (MPN 19102). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19102.
YELLOW JACKET
YELLOW JACKET Quick Coupler: 8 1/4 in Lg, 180° Angle, Input 1/4 in Female QC (MPN 19102). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19102.
YELLOW JACKET Adapter: 8 1/4 in Lg, 90° Angle, Input 5/16 in QC, Output 1/4 in Male Flare (MPN 19221). Key specifications — Product Type: Adapter; Brand: YELLOW JACKET; Manufacturer Part Number: 19221.
YELLOW JACKET
YELLOW JACKET Adapter: 8 1/4 in Lg, 90° Angle, Input 5/16 in QC, Output 1/4 in Male Flare (MPN 19221). Key specifications — Product Type: Adapter; Brand: YELLOW JACKET; Manufacturer Part Number: 19221.
YELLOW JACKET Adapter: 4 in Lg, 180° Angle, Input 5/16 in QC, Output 1/4 in Male Flare (MPN 19121). Key specifications — Product Type: Adapter; Brand: YELLOW JACKET; Manufacturer Part Number: 19121.
YELLOW JACKET
YELLOW JACKET Adapter: 4 in Lg, 180° Angle, Input 5/16 in QC, Output 1/4 in Male Flare (MPN 19121). Key specifications — Product Type: Adapter; Brand: YELLOW JACKET; Manufacturer Part Number: 19121.
YELLOW JACKET Low Side Coupler: 4 in Lg, Input 1/4 in (MPN 45932). Key specifications — Product Type: Low Side Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 45932; Material: Aluminum.
YELLOW JACKET
YELLOW JACKET Low Side Coupler: 4 in Lg, Input 1/4 in (MPN 45932). Key specifications — Product Type: Low Side Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 45932; Material: Aluminum.
YELLOW JACKET Coupler Set: 8 1/4 in Lg, 90°_180° Angle, Input 1/4 in SealRight™ (MPN 19100). Key specifications — Product Type: Coupler Set; Brand: YELLOW JACKET; Manufacturer Part Number: 19100.
YELLOW JACKET
YELLOW JACKET Coupler Set: 8 1/4 in Lg, 90°_180° Angle, Input 1/4 in SealRight™ (MPN 19100). Key specifications — Product Type: Coupler Set; Brand: YELLOW JACKET; Manufacturer Part Number: 19100.
YELLOW JACKET Quick Coupler: 4 in Lg, 90° Angle, Input 1/4 in Male NPT (MPN 19218). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19218.
YELLOW JACKET
YELLOW JACKET Quick Coupler: 4 in Lg, 90° Angle, Input 1/4 in Male NPT (MPN 19218). Key specifications — Product Type: Quick Coupler; Brand: YELLOW JACKET; Manufacturer Part Number: 19218.