Engine Air Intake Connection Spacer with Gaskets, Compatible with Cummins PB 4B3.9 4B3.9 B5.9 6B5.9 B4.5 ISB 6.7 B129B, Replaces 5266557 3969987 4762012AB 5086720AC 05086720AC

Precision Fit for Your Cummins: This spacer is meticulously designed to match the exact specifications of a range of Cummins engines, including PB 4B3.9, 4B3.9, B5.9, 6B5.9, B4.5, ISB 6.7, and B129B. It serves as a direct, bolt-on replacement for OEM numbers 5266557, 3969987, 4762012AB, 5086720AC, and 05086720AC, guaranteeing a perfect fit every time. Installation Note: For optimal performance, please ensure the mating surfaces are clean and free of old gasket material before installation.

• Perfect Fit: Specifically engineered for seamless compatibility with Cummins engines, including models PB 4B3.9, 4B3.9, B5.9, 6B5.9, B4.5, ISB 6.7, and B129B.
• Part Number: This intake spacer directly replaces OEM part numbers 5266557, 3969987, 4762012AB, 5086720AC, and 05086720AC, ensuring a hassle-free installation process.
• Premium Material for Durability: Crafted from high-quality materials engineered to withstand the demanding conditions of the engine bay. The formulation is designed to offer excellent strength and dimensional stability under high temperatures and varying chemical exposures, promising long-term reliability.
• Enhanced Engine Performance: This intake spacer is designed to contribute to a more efficient airflow within the engine's intake system. Optimizing the air intake pathway aids in promoting better combustion, which can lead to improved engine responsiveness and overall performance.
• Complete Kit with Integrated Gaskets: Comes as a ready-to-install kit that includes integrated gaskets. The all-in-one design eliminates the need for separate gasket purchases and ensures a perfect, leak-free seal between connections, safeguarding your engine's performance.