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

LINCOLN ELECTRIC Liner: 0.045 in x 15 ft, Steel, Magnum 300 & 400 - Liners for Lincoln MIG Guns
LINCOLN ELECTRICLiners for Lincoln MIG Guns

LINCOLN ELECTRIC Liner: 0.045 in x 15 ft, Steel, Magnum 300 & 400

The LINCOLN ELECTRIC Liner (MPN KP44-3545-15) is a steel liner for Lincoln MIG Guns, designed for the Magnum 300 & 400 series. It measures 0.045 in x 15 ft and is constructed from steel.

SKU 3G-OTH-355073

Also listed as: KP44354515 · KP44 3545 15

Brand
LINCOLN ELECTRIC
Item
Liner: 0.045 in x 15 ft, Steel, Magnum 300 & 400
Category
Liners for Lincoln MIG Guns
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

LINCOLN ELECTRIC
Manufacturer Part Number
KP44-3545-15
Material
Steel
Liner Model
KP44-3545-15
Liner Series
Magnum 300 & 400

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

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

Product Description

The LINCOLN ELECTRIC Liner (MPN KP44-3545-15) is a steel liner for Lincoln MIG Guns, designed for the Magnum 300 & 400 series. It measures 0.045 in x 15 ft and is constructed from steel.

Frequently Asked Questions

What is the LINCOLN ELECTRIC KP44-3545-15 liner used for?

The LINCOLN ELECTRIC KP44-3545-15 is a steel liner for MIG welding guns, specifically designed for the Magnum 300 and 400 series. It guides the welding wire from the feeder to the gun contact tip, ensuring consistent wire feed and reducing bird-nesting or burnback in industrial fabrication and repair applications.

What are the specifications of the LINCOLN ELECTRIC KP44-3545-15 liner?

The LINCOLN ELECTRIC KP44-3545-15 liner is made of steel, measures 0.045 in diameter by 15 ft length, and is designed for the Magnum 300 and 400 series MIG guns. The manufacturer part number is KP44-3545-15. It is a direct replacement liner for maintaining proper wire feed performance.

Where to buy LINCOLN ELECTRIC KP44-3545-15 liner worldwide?

3G Electric supplies the LINCOLN ELECTRIC KP44-3545-15 liner worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we source and deliver this genuine LINCOLN ELECTRIC liner to any country.

How to install the LINCOLN ELECTRIC KP44-3545-15 liner?

To install the LINCOLN ELECTRIC KP44-3545-15 liner, first disconnect power and remove the nozzle and contact tip. Slide out the old liner, then insert the new steel liner through the gun cable until it seats at both ends. Trim any excess length per the gun manual, then reassemble. Always follow the Magnum 300 or 400 manual for torque and alignment.

Used in

Common applications for LINCOLN ELECTRIC
General steel fabrication — Lincoln Electric UltraCore HD-12C flux-cored wire (E71T-12C, 0.052 in) for single- or multiple-pass welding on carbon steel.
All-position welding with AC power — Lincoln Electric Fleetweld 180 stick electrode (E6011, 5/32 in) for repair and maintenance on galvanized or painted steel.
Severe abrasion resistance — Lincoln Electric Wearshield ME hardfacing electrode (1/8 in, 55 HRC) for earthmoving equipment and crusher components.
Multiprocess welding — Lincoln Electric Flextec 500X with LF-74 wire feeder for switching between MIG, stick, and TIG processes in fabrication shops.
TIG welding with improved gas coverage — Lincoln Electric gas lens (45V44, 3/32 in max electrode) for precision welding of stainless steel or aluminum.
MIG welding of carbon steel — Lincoln Electric ER70S-3 wire (0.035 in, 60 lb spool) for general fabrication and structural welding.

LINCOLN ELECTRIC Products

3G Electric supplies LINCOLN ELECTRIC liners for lincoln mig guns. 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

Cross-referenced by specification & description
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip. Suitable for fabrication, manufacturing, and repair welding applications
LINCOLN ELECTRIC
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip. Suitable for fabrication, manufacturing, and repair welding applications
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip. Measures 1/16 in diameter by 25 ft length. Manufacturer part number KP44-116-25
LINCOLN ELECTRIC
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip. Measures 1/16 in diameter by 25 ft length. Manufacturer part number KP44-116-25
Replacement tube insulator for Lincoln Magnum Pro 250/250L/350, Magnum Pro 350A, and Pro Curve 200/300 Series MIG guns. Provides electrical insulation between the gun tube and nozzle to prevent shorts and maintain stable arc performance
LINCOLN ELECTRIC
Replacement tube insulator for Lincoln Magnum Pro 250/250L/350, Magnum Pro 350A, and Pro Curve 200/300 Series MIG guns. Provides electrical insulation between the gun tube and nozzle to prevent shorts and maintain stable arc performance
This MIG gun is rated for 300 A and accepts 5/64 in wire, with a 15 ft cable. It uses the Magnum Pro 350A contact tip series and is designed for CO2 shielding gas. Suitable for semi-automatic gas metal arc welding (GMAW) in industrial fabrication, automotive repair, and heavy equipment manufacturing
LINCOLN ELECTRIC MIG
This MIG gun is rated for 300 A and accepts 5/64 in wire, with a 15 ft cable. It uses the Magnum Pro 350A contact tip series and is designed for CO2 shielding gas. Suitable for semi-automatic gas metal arc welding (GMAW) in industrial fabrication, automotive repair, and heavy equipment manufacturing

More from LINCOLN ELECTRIC

View all LINCOLN ELECTRIC parts
Aluminum liner for Magnum 300 and 400 MIG guns. Measures 3/64 in diameter by 15 ft length. Guides welding wire from feeder to contact tip for smooth wire delivery in aluminum welding applications
LINCOLN ELECTRIC
Aluminum liner for Magnum 300 and 400 MIG guns. Measures 3/64 in diameter by 15 ft length. Guides welding wire from feeder to contact tip for smooth wire delivery in aluminum welding applications
Steel liner for Magnum 100L MIG guns, designed to guide welding wire from the feeder to the contact tip. Suitable for wire diameters up to 0.045 in and 15 ft length. Used in industrial fabrication and repair welding applications
LINCOLN ELECTRIC
Steel liner for Magnum 100L MIG guns, designed to guide welding wire from the feeder to the contact tip. Suitable for wire diameters up to 0.045 in and 15 ft length. Used in industrial fabrication and repair welding applications
Aluminum liner for Lincoln MIG guns, part of the Magnum 100L series. Measures 0.035 in x 15 ft. Guides welding wire from feeder to gun nozzle, reducing friction for consistent feeding in arc welding applications
LINCOLN ELECTRIC
Aluminum liner for Lincoln MIG guns, part of the Magnum 100L series. Measures 0.035 in x 15 ft. Guides welding wire from feeder to gun nozzle, reducing friction for consistent feeding in arc welding applications
Steel liner for Lincoln MIG guns in the Magnum series. Guides welding wire through the gun assembly for consistent feeding. Suitable for arc welding applications
LINCOLN ELECTRIC
Steel liner for Lincoln MIG guns in the Magnum series. Guides welding wire through the gun assembly for consistent feeding. Suitable for arc welding applications
This steel liner guides welding wire through Lincoln MIG guns in the Magnum series. It measures 1/16 in diameter by 15 ft length, reducing friction and bird-nesting during MIG welding
LINCOLN ELECTRIC
This steel liner guides welding wire through Lincoln MIG guns in the Magnum series. It measures 1/16 in diameter by 15 ft length, reducing friction and bird-nesting during MIG welding
Replacement liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip for consistent wire feed and arc stability. Used in industrial fabrication, automotive repair, and heavy equipment manufacturing
LINCOLN ELECTRIC
Replacement liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip for consistent wire feed and arc stability. Used in industrial fabrication, automotive repair, and heavy equipment manufacturing
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip in MIG welding applications. Measures 5/64 in diameter by 25 ft length
LINCOLN ELECTRIC
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides welding wire from feeder to contact tip in MIG welding applications. Measures 5/64 in diameter by 25 ft length
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides 0.045-inch diameter welding wire from the feeder to the contact tip. Measures 25 feet in length
LINCOLN ELECTRIC
Steel liner for Lincoln MIG guns, part of the Magnum series. Guides 0.045-inch diameter welding wire from the feeder to the contact tip. Measures 25 feet in length