• Alcotec 404320047 ER 4043 Aluminum MIG Wire, 3/64" diameter, 20# spool for superior welding performance. Perfect for GMAW of aluminum materials.
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Alcotec

Alcotec 404320047 ER 4043 x 3/64" x 20# Spool Alumium MIG Wire

Alcotec 404320047 ER 4043 x 3/64" x 20# Spool Alumium MIG Wire

404320047 - 1 EACH

$258.87
Shipping: Free ground to lower 48 on qualifying orders.
Upgrade your welding projects with the Alcotec ER 4043 Aluminum MIG Wire, part number 404320047. Designed specifically for GMAW (Gas Metal Arc Welding), this high-quality weldin...
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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.

Upgrade your welding projects with the Alcotec ER 4043 Aluminum MIG Wire, part number 404320047. Designed specifically for GMAW (Gas Metal Arc Welding), this high-quality welding wire ensures excellent performance while working with aluminum materials.

The Alcotec ER 4043 MIG Wire features a solid aluminum composition that provides excellent fluidity and strong arc stability. With a diameter of 3/64 inches, it's ideal for various welding tasks, including automotive, fabrication, and maintenance. This wire is packaged in a convenient 20# spool, securely contained in a durable cardboard box to ensure its integrity during storage and transport.

Key features of the Alcotec ER 4043 MIG Wire include:

  • High Compatibility: Perfect for welding aluminum components, this wire meets the AWS classification standards for ER4043, ensuring you get quality results every time.
  • Enhanced Weld Quality: The unique properties of this aluminum wire provide excellent penetration and a clean weld bead, minimizing the need for post-weld cleaning.

This aluminum MIG wire's tensile strength is not applicable in standard terms but is designed to ensure strong, reliable welds in various applications. With the 12" spool design, it allows for easy handling and versatility in your work environment.

Invest in the Alcotec ER 4043 Aluminum MIG Wire to achieve superior welding results while ensuring efficiency and quality in your projects. Whether you are a professional welder or a DIY enthusiast, this product will exceed your expectations in both performance and reliability.

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