BCBC MSPT-12 Spark Plug Tube

Ignition tube replacement

The Melling MSPT-12 spark plug tube is a universal-fit ignition component made for domestic and import engine applications. Built from aluminum and finished in silver, it is intended to maintain proper fit and function through the engine service life.

Key features

• Aluminum construction for a precise tube fit
• Silver finish for a clean OE-style appearance
• Universal fit for a wide range of engine applications
• Made in the USA
• Ignition wires not included

Detailed description

This Melling spark plug tube, part number MSPT-12, is used in secondary ignition service where a replacement tube is required during engine repair or rebuild work. Melling supplies spark plug tubes for domestic and import applications, and recommends replacing the tube whenever the engine is rebuilt and the original tube is no longer serviceable. The MSPT-12 is listed across Chrysler, Dodge, Jeep, and Ram applications, including Ram 1500, Dodge Charger, and Jeep Wrangler coverage.

The aluminum construction supports consistent fitment, while the 0.984-inch end diameters help maintain the correct tube interface. For buyers searching for a spark plug tube for Ram 1500, Dodge Charger spark plug tube replacement, or Jeep Wrangler ignition service, MSPT-12 provides a direct service part option. This part cross-references 5184 and 436AD for the same application.

What it is used for

• Replacing a worn or damaged spark plug tube during engine service
• Restoring proper ignition tube fit in rebuild work
• Addressing oil contamination or sealing issues around the tube area
• Correcting fit problems caused by heat, age, or corrosion
• Supporting secondary ignition maintenance on listed applications

Installation notes and tips

Verify engine application before installation, since this part is listed as a universal-fit service component with broad vehicle coverage. Inspect the tube bore and surrounding ignition components during repair, and replace the tube when rebuilding an engine where the original part is required. Confirm the end diameters and service location against the original part before assembly.

Quality assurance

Melling states that this spark plug tube is manufactured from high-quality material to maintain correct fit and function throughout the engine service life. The part is made in the USA and backed by Melling's application-focused engine component manufacturing.