<div data-store-description="v1"> <p>F249WN Expansion Plug for Mazda B1800 (1977-1978). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Expansion Plug</p> <p>Fits Models: - Mazda B1800</p> <p>Model Years: - 1977–1978</p> <p>Submodels: - Common trims include standard and possibly custom variants; chassis code is likely B1600/B1800; body style is typically a pickup truck.</p> <p>Engine Options: - Common engine sizes include 1.8L (B1800) with engine code B1800.</p> <p>Description: This expansion plug is designed specifically for the Mazda B1800 models from 1977 to 1978. It serves as a crucial component in maintaining the integrity of the engine's cooling system by sealing openings in the engine block.</p> <p>Features: - Direct fit for Mazda B1800 (1977–1978) - Durable construction for long-lasting performance - Helps prevent coolant leaks - Easy installation process</p> <p>Part Number: F249WN</p>