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

3G Electric
TWECO Gas Diffuser for Classic No. 2/3/4, WeldSkill WM 250/400 MIG Gun, 5 PK - Gas Diffusers for Tweco MIG Guns
TWECOGas Diffusers for Tweco MIG Guns

TWECO Gas Diffuser for Classic No. 2/3/4, WeldSkill WM 250/400 MIG Gun, 5 PK

The TWECO Gas Diffuser: WM250 is a threaded gas diffuser designed for Tweco MIG Guns, specifically for Classic No. 2/3/4 and WeldSkill WM 250/400 MIG Guns. It is compatible with WS14 contact tip series and carries…

SKU 3G-OTH-358777

Brand
TWECO
Item
Gas Diffuser for Classic No. 2/3/4, WeldSkill WM 250/400 MIG Gun, 5 PK
Part Number
15201140
Category
Gas Diffusers for Tweco MIG Guns
Available to Order
Also known as:15201140TWECO
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

TWECO
Manufacturer Part Number
15201140
Type
For Classic No. 2/3/4, WeldSkill WM 250/400 MIG Gun, 5 PK
Connection Type
Threaded
Gas Diffuser Number
WS52
For Contact Tip Series
WS14

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

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

Product Description

The TWECO Gas Diffuser: WM250 is a threaded gas diffuser designed for Tweco MIG Guns, specifically for Classic No. 2/3/4 and WeldSkill WM 250/400 MIG Guns. It is compatible with WS14 contact tip series and carries the gas diffuser number WS52. This product is sold in a pack of 5 and is identified by manufacturer part number 15201140.

Frequently Asked Questions

What is the TWECO Gas Diffuser WM250 used for?

The TWECO Gas Diffuser WM250 directs shielding gas evenly around the weld puddle on MIG guns. It is designed for Classic No. 2/3/4 and WeldSkill WM 250/400 MIG Guns, using a threaded connection and WS14 contact tip series.

What are the specifications of the TWECO Gas Diffuser WM250?

The TWECO Gas Diffuser WM250 has a threaded connection type, gas diffuser number WS52, and is compatible with WS14 contact tip series. It fits Classic No. 2/3/4 and WeldSkill WM 250/400 MIG Guns. Sold in a pack of 5, MPN 15201140.

Where to buy TWECO Gas Diffuser WM250 worldwide?

3G Electric supplies the TWECO Gas Diffuser WM250 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the pack of 5 (MPN 15201140) for your MIG gun.

How to install the TWECO Gas Diffuser WM250?

To install the TWECO Gas Diffuser WM250, first ensure the MIG gun is cool and disconnected from power. Remove the old diffuser by unscrewing it. Thread the new WS52 diffuser onto the gun neck hand-tight, then secure with a wrench. Reattach the nozzle and contact tip.

Used in

Common applications for TWECO
Industrial fabrication — TWECO V-groove drive rolls for 0.035 in solid wire in ESAB Fabricator 211i welders, ensuring consistent feed for structural steel welding.
Maintenance and repair — TWECO V-knurl drive rolls for 0.045 in flux-cored wire in ESAB Fabricator 252i welders, providing reliable feeding for on-site repairs.
Heavy equipment manufacturing — TWECO drive rolls for 0.045 in solid wire in ESAB Fabricator 252i welders, used in MIG welding of thick sections.
Automotive repair — TWECO V-groove drive rolls for 0.035 in solid wire in ESAB Fabricator 141i welders, for sheet metal and exhaust work.
Pipeline construction — TWECO V-knurl drive rolls for 0.035 in flux-cored wire in ESAB Fabricator 252i welders, for root passes and fill passes.
General welding workshops — TWECO drive rolls for various wire types and diameters in ESAB Fabricator series welders, supporting diverse MIG welding tasks.
Not sure this is the right part? Photo-identify it→

TWECO Products

3G Electric supplies TWECO gas diffusers for tweco 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 →

More from TWECO

View all TWECO parts →
Threaded gas diffuser designed for use with Tweco MIG guns including Classic No. 1, Mini-MIG 160, and Spray Master 250 models. Compatible with WS11 contact tip series. Sold in a pack of 5. Directs shielding gas evenly around the weld puddle for consistent gas coverage
TWECO
Threaded gas diffuser designed for use with Tweco MIG guns including Classic No. 1, Mini-MIG 160, and Spray Master 250 models. Compatible with WS11 contact tip series. Sold in a pack of 5. Directs shielding gas evenly around the weld puddle for consistent gas coverage

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first