The Purolator TL34631 Spin-On Oil Filter is engineered to provide reliable engine protection for a variety of vehicles, including models like the 1968 GMC K15/K1500 Pickup and the 1982 GMC C3500. With dimensions of 5.14" in height and an outer diameter of 3.76" at both the top and bottom, this filter is designed for a direct fit, ensuring easy installation and optimal performance. The 13/16-16" thread size is compatible with a wide range of engines, making it a versatile choice for fleet maintenance. Constructed with a multi-fiber, high-density media, the TL34631 effectively traps contaminants, preventing them from circulating through the engine and causing wear. The anti-drainback valve ensures that oil remains in the filter when the engine is off, protecting against dry starts and reducing potential engine damage. Additionally, the filter features a metal center tube and end caps, providing structural integrity and resistance to wear, which is crucial for maintaining consistent oil flow and filtration efficiency. For fleet operations, the Purolator TL34631 offers a cost-effective solution to maintain engine health across a diverse vehicle lineup. Regular replacement of oil filters like the TL34631 helps ensure that engines operate efficiently, reducing the risk of costly repairs and downtime. By choosing this filter, fleet managers can rely on a product that meets original equipment specifications, contributing to the longevity and reliability of their vehicles.