Found It Cheaper? Use Our Atlus Price Guarantee!

Vibrant Performance 3.5in Aluminum Joiner Coupling (3in Length) 12055

$18.79 $24.99
-25%
Low in stock

This product will be available soon, but you can pre-order now to get on the list before others!

US Based Support - In Florida

30 Days Satisfaction Guarantee

Price Match

Easy Financing

Vibrant Performance 3.5in Aluminum Joiner Coupling (3in Length) 12055
$18.79 $24.99
$18.79 $24.99

This Vibrant Performance Aluminum Joiner Coupling (MPN 12055) is engineered for precision automotive fabrication. Manufactured from high-grade 6063 aluminum, this joiner requires minimal surface preparation for TIG welding, making it an ideal choice for custom intercooler end tank construction or welding hose inlets and outlets to aluminum radiators.

Each coupling features a mirror-polished finish and bead-rolled ends, which provide a critical mechanical lock to prevent silicone couplers from slipping or blowing off under high-boost or high-pressure conditions. Professional fabricators rely on Vibrant Performance for consistent material density and dimensional accuracy in demanding plumbing environments.

  • Material: 6063 Aluminum
  • Outer Diameter: 3.5 inches
  • Overall Length: 3 inches
  • Finish: Mirror Polished
  • End Type: Bead Rolled
  • Weldability: Requires minimal prep for TIG welding
  • Manufacturer Part Number: 12055
📘 Guides & Manuals

Authencity Guaranteed

We only sell authentic products from verified brand partners and retail partners globally.

  • Visa
  • Mastercard
  • PayPal
  • American Express
  • Discover
  • Apple Pay
  • Google Pay

Can’t Find the Part You Need?

Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.

Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.

Email is invalid

Image alt