Skip to product information
1 of 2

Tweco

Tweco 42404515 Conduit Liner (.040"-.045" / 1.0-1.2 mm) - Package of 1

Tweco 42404515 Conduit Liner (.040"-.045" / 1.0-1.2 mm) - Package of 1

SKU:42-4045-15

$29.38
Shipping: Free ground to lower 48 on qualifying orders.
The Tweco 42404515 Conduit Liner is designed to deliver smooth and consistent wire feeding for welding applications. Suitable for wires ranging from .040" to .045" (1.0 to 1.2 m...
Quick specs
Need help choosing?
Email sales@arcweldinc.com with your process + material + thickness.
We’ll point you to the right item.
Automatic savings: 5% off $150+ · 7% off $300+ (applied at checkout — no code)
Typically ships within 1–2 business days. Shipping: Free ground to lower 48 on qualifying orders.
Ships from
Corydon, IN
Free ground
Lower 48 (qualifying)
Returns
Unused / original packaging

Fitment Help

Before ordering, confirm this part fits your equipment.

  • Check your equipment model number
  • Verify the specifications match your requirements
  • Review the product description for compatibility details

Not sure? Email us at sales@arcweldinc.com with the part number, your equipment model, and application—we'll confirm the correct part before you order.

Shipping & Returns

  • Ships from: Corydon, Indiana
  • Fulfillment: Lead time shown above (defaults to 1–2 business days unless noted)
  • Shipping: Free shipping on ground orders to lower 48 states (qualifying orders)
  • Pickup: Available at our Corydon location (usually ready in 2–4 days)
  • Returns: Accepted on unused items in original packaging

Discounts: 5% off $150+ and 7% off $300+ apply automatically at checkout (no code).

Ordered the wrong part? Contact us at sales@arcweldinc.com before opening—we'll help you exchange for the correct one.

The Tweco 42404515 Conduit Liner is designed to deliver smooth and consistent wire feeding for welding applications. Suitable for wires ranging from .040" to .045" (1.0 to 1.2 mm), this liner ensures minimal friction, reducing downtime caused by jams and improving the reliability of your welding equipment. Ideal for use in a variety of Tweco-compatible MIG welding guns, it provides enhanced durability, precision, and ease of maintenance.
View full details