We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

ROBINAIR Oil Injector - Refrigerant Machine Replacement Hoses & Couplers
ROBINAIRRefrigerant Machine Replacement Hoses & Couplers

ROBINAIR Oil Injector

The ROBINAIR Oil Injector (MPN 18490) is a brass/plastic/steel refrigerant machine replacement hose and coupler designed for fully pressurized A/C systems. It includes a Low Side Manual Quick Coupler and is…

SKU 3G-OTH-511886

Brand
ROBINAIR
Item
Oil Injector
Category
Refrigerant Machine Replacement Hoses & Couplers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ROBINAIR
Manufacturer Part Number
18490
Type
Brass/Plastic/Steel
Material
Plastic
Includes
Low Side Manual Quick Coupler
Application
Fully Pressurized A/C Systems
Product Type
Oil Injector

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

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

Product Description

The ROBINAIR Oil Injector (MPN 18490) is a brass/plastic/steel refrigerant machine replacement hose and coupler designed for fully pressurized A/C systems. It includes a Low Side Manual Quick Coupler and is constructed from plastic. This oil injector is supplied by 3G Electric, a global industrial solutions provider that interprets customer demand and delivers genuine equipment across 14 industrial departments, with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the ROBINAIR Oil Injector 18490 used for?

The ROBINAIR Oil Injector 18490 is used to inject oil into fully pressurized A/C systems during service or repair. It connects via the included Low Side Manual Quick Coupler, making it suitable for automotive and commercial refrigeration applications where precise oil charging is required.

What are the specifications of the ROBINAIR Oil Injector 18490?

The ROBINAIR Oil Injector 18490 is a brass/plastic/steel refrigerant machine replacement hose and coupler. It is designed for fully pressurized A/C systems, includes a Low Side Manual Quick Coupler, and is constructed from plastic. The manufacturer part number is 18490.

Where to buy the ROBINAIR Oil Injector 18490 worldwide?

3G Electric supplies the ROBINAIR Oil Injector 18490 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine equipment to your location. Contact us for availability and lead time on this oil injector.

How to install the ROBINAIR Oil Injector 18490?

To install the ROBINAIR Oil Injector 18490, connect the Low Side Manual Quick Coupler to the A/C system's low-side service port. Ensure the system is fully pressurized and follow standard refrigerant handling safety procedures. Always refer to the vehicle or equipment service manual for specific instructions.

Used in

Common applications for ROBINAIR
HVAC/R service — ROBINAIR ratcheting box end wrenches for tightening and loosening refrigerant line fittings
Refrigeration system diagnostics — ROBINAIR digital pocket thermometer for measuring superheat and subcooling
Automotive cooling system maintenance — ROBINAIR coolant test strips for checking nitrite levels in engine coolant
Field repair of compressors — ROBINAIR offset wrenches for accessing fasteners in confined spaces
Preventive maintenance of chillers — ROBINAIR thermometer for verifying operating temperatures

ROBINAIR Products

3G Electric supplies ROBINAIR refrigerant machine replacement hoses & couplers. 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

More from ROBINAIR

View all ROBINAIR parts
Refrigerant analyzer for identifying and analyzing refrigerant purity and composition in HVAC and refrigeration systems. Verifies refrigerant type and detects contaminants to support system efficiency and environmental compliance
ROBINAIR
Refrigerant analyzer for identifying and analyzing refrigerant purity and composition in HVAC and refrigeration systems. Verifies refrigerant type and detects contaminants to support system efficiency and environmental compliance
ROBINAIR
ROBINAIR
Pack of three 60-inch refrigerant hoses with 1/4-inch female flare (FFL) connections and integrated ball valves. Designed for use with refrigerant recovery, recycling, and charging machines to connect to system service ports. The ball valves allow flow control and shutoff without disconnecting the hose
Metal valve core with 1/4 in outside diameter, supplied in a pack of 6. Used in refrigerant machine replacement hoses and couplers for sealing service ports in HVAC and refrigeration systems
ROBINAIR
Metal valve core with 1/4 in outside diameter, supplied in a pack of 6. Used in refrigerant machine replacement hoses and couplers for sealing service ports in HVAC and refrigeration systems
Brass manifold gauge set for use with refrigerant machine replacement hoses and couplers. Connects to measure and control refrigerant pressure during HVAC and refrigeration system service
ROBINAIR
Brass manifold gauge set for use with refrigerant machine replacement hoses and couplers. Connects to measure and control refrigerant pressure during HVAC and refrigeration system service
The ROBINAIR Line Piercing Valve (MPN 40288) is a component used to access refrigerant lines for service, testing, or charging. It includes gaskets to help provide a secure seal. This valve is commonly employed in HVAC and refrigeration systems for line access during maintenance procedures
ROBINAIR
The ROBINAIR Line Piercing Valve (MPN 40288) is a component used to access refrigerant lines for service, testing, or charging. It includes gaskets to help provide a secure seal. This valve is commonly employed in HVAC and refrigeration systems for line access during maintenance procedures
ROBINAIR
ROBINAIR
Vacuum gauge for measuring vacuum levels in HVAC and refrigeration systems during evacuation. Used to confirm removal of moisture and air before system charging. Compatible with refrigerant machine replacement hoses and couplers
Brass valve core remover for evacuation applications. Used to remove and install valve cores during refrigerant system service. Compatible with standard refrigerant machine hoses and couplers
ROBINAIR
Brass valve core remover for evacuation applications. Used to remove and install valve cores during refrigerant system service. Compatible with standard refrigerant machine hoses and couplers
This ROBINAIR manifold gauge set features an aluminum body and 3 1/8 in outside diameter gauges. It includes vehicle couplers for connecting to refrigerant systems. Used for charging, evacuating, and diagnosing HVAC and refrigeration systems in automotive and stationary applications
ROBINAIR
This ROBINAIR manifold gauge set features an aluminum body and 3 1/8 in outside diameter gauges. It includes vehicle couplers for connecting to refrigerant systems. Used for charging, evacuating, and diagnosing HVAC and refrigeration systems in automotive and stationary applications