Welch Plug 1-1/2" – Fits Briggs & Stratton Engines

The Welch Plug 1-1/2" for Briggs & Stratton Engines is a high-quality OEM-style expansion plug designed to seal casting holes in engine blocks and carburetors. Manufactured to exacting standards, this plug ensures a tight, leak-free seal that maintains proper engine compression and prevents fuel or air leaks.

Constructed from durable steel with a precision-machined dome design, this Welch plug is built for long-lasting performance in Briggs & Stratton small engines. It’s an essential replacement part during engine rebuilds or carburetor overhauls to ensure factory-level reliability and sealing integrity.

Specifications & Details:

• Product Type: Welch Plug / Expansion Plug

• Size: 1-1/2 inch (1.50")

• Material: High-strength steel

• Finish: Zinc or nickel plated for corrosion resistance

• Compatibility: Briggs & Stratton small engines

• Function: Seals casting holes in carburetor and engine blocks

• Installation: Press-fit design for secure, permanent seal

Features:

• Precision-engineered to fit Briggs & Stratton engines

• Prevents air and fuel leaks in carburetors or block castings

• Corrosion-resistant finish for long service life

• OEM-quality performance and reliability

• Ideal for engine rebuilds and maintenance