<div data-store-description="v1"> <p>Expansion Plug for B1800 Mazda (1977-1978) M244FJ. 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 configurations; chassis code is likely B1800; body style is a pickup truck.</p> <p>Engine Options: - Common engine size is 1.8L (B1800); engine code is likely B1800.</p> <p>Description: This expansion plug is designed specifically for the Mazda B1800 models from 1977 to 1978. It serves to seal openings in the engine block, preventing coolant leaks and maintaining optimal engine performance.</p> <p>Features: - Direct fit for Mazda B1800 (1977–1978) - Durable construction for long-lasting use - Easy installation to replace worn or damaged plugs - Helps maintain engine cooling efficiency - Essential for preventing coolant loss</p> <p>Part Number: M244FJ</p>