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

Parker Liquid Line Filter Dryer: Steel, For 6.3 ton System, Molecular Sieve, 8.9 in Lg - Steel Shell Filter Driers
ParkerSteel Shell Filter Driers

Parker Liquid Line Filter Dryer: Steel, For 6.3 ton System, Molecular Sieve, 8.9 in Lg

The PARKER Liquid Line Filter Dryer is a steel shell filter drier designed for use in 6.3 ton systems. It features a molecular sieve and measures 8.9 inches in length with a 3/8 inch sweat connection. This model…

SKU 3G-OTH-71748

Also listed as: 303 S · 303-S

Brand
Parker
Item
Liquid Line Filter Dryer: Steel, For 6.3 ton System, Molecular Sieve, 8.9 in Lg
Category
Steel Shell Filter Driers
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Parker
Manufacturer Part Number
303S
Type
For 6.3 ton System, Molecular Sieve
Lg
8.9 in
Sweat
3/8 in
Compatible Refrigerant Group
CFC

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

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

Product Description

The PARKER Liquid Line Filter Dryer is a steel shell filter drier designed for use in 6.3 ton systems. It features a molecular sieve and measures 8.9 inches in length with a 3/8 inch sweat connection. This model, manufacturer part number 303S, is compatible with CFC refrigerant groups.

Frequently Asked Questions

What is the PARKER Liquid Line Filter Dryer 303S used for?

The PARKER 303S Liquid Line Filter Dryer is used in HVAC and refrigeration systems to remove moisture, acids, and contaminants from the liquid line. It is designed for 6.3 ton systems using CFC refrigerants, protecting compressors and metering devices from damage.

What are the specifications of the PARKER 303S filter dryer?

The PARKER 303S is a steel shell filter dryer with a molecular sieve core. It measures 8.9 inches in length and has a 3/8 inch sweat connection. It is compatible with CFC refrigerant groups and is rated for 6.3 ton systems.

Where to buy the PARKER 303S filter dryer worldwide?

3G Electric supplies the PARKER 303S filter dryer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the PARKER 303S liquid line filter dryer?

Install the PARKER 303S in the liquid line after the condenser and before the expansion valve. Ensure flow direction matches the arrow on the shell. Braze using a wet rag to protect the valve, and evacuate the system before charging. Always follow standard refrigeration practices.

Used in

Common applications for Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker Products

3G Electric supplies Parker steel shell filter driers. 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

Compatible alternatives & equivalents

More from Parker

View all Parker parts
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 5.4 in Lg (MPN LLD - 084S)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 5.4 in Lg (MPN LLD - 084S)
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 4.2 in Lg (MPN LLD-032)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 4.2 in Lg (MPN LLD-032)
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 9.5 in Lg (MPN LLD-417S)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 9.5 in Lg (MPN LLD-417S)
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 10.4 in Lg (MPN LLD-415)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 20 ton System, Molecular Sieve, 10.4 in Lg (MPN LLD-415)
PARKER Liquid Line Filter Dryer: Steel, For 23 ton System, 4.4 in Lg, 1/2 in Female Sweat (MPN SLD-8-4SV-HH)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 23 ton System, 4.4 in Lg, 1/2 in Female Sweat (MPN SLD-8-4SV-HH)
PARKER Liquid Line Filter Dryer: Steel, For 5.2 ton System, Molecular Sieve, 7.7 in Lg (MPN DSG-083-S)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 5.2 ton System, Molecular Sieve, 7.7 in Lg (MPN DSG-083-S)
PARKER Liquid Line Filter Dryer: Steel, For 23 ton System, 7.7 in Lg, 1 1/8 in Female Sweat (MPN SLD-27-9SV-HH)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 23 ton System, 7.7 in Lg, 1 1/8 in Female Sweat (MPN SLD-27-9SV-HH)
PARKER Liquid Line Filter Dryer: Steel, For 11 ton System, Molecular Sieve, 9.9 in Lg (MPN 304)
Parker
PARKER Liquid Line Filter Dryer: Steel, For 11 ton System, Molecular Sieve, 9.9 in Lg (MPN 304)