New Aftermarket Standard Spacer Plate For Caterpillar 3406E/C-15 (6I4421)

The New Aftermarket Standard Thickness Spacer Plate (Part Number 6I4421) is a precision-engineered component designed for Caterpillar 3406E and C-15 engines, serving as a critical interface between the engine block and cylinder head. Featuring a standard thickness of 0.338 inches, this plate ensures proper alignment, sealing, and thermal management by maintaining consistent head-to-block clearance. It is specifically tailored for heavy-duty applications, including construction, mining, and power generation equipment, where these engines are commonly utilized. The plate plays a vital role in preserving optimal combustion chamber integrity, preventing compression loss, and reducing the risk of mechanical stress or gasket failure. Compatible with original equipment specifications, this aftermarket part offers a reliable, cost-effective solution for engine rebuilds or replacements, ensuring durability and performance under demanding operational conditions. Its precise dimensions and quality construction make it an essential component for maintaining engine efficiency and longevity in Caterpillar 3406E/C-15 systems.

• OE Quality And Fitment
• Essential Part When Replacing A Cylinder Head
• Direct Replacement