This oil pressure gauge tube is a reliable and high-quality product that is designed to fit perfectly with DCEC Cummins Engine ISDe and ISBe models. It is manufactured using durable plastic and metal materials that guarantee long-lasting performance. The gauge comes in a sleek black color that will complement any car interior. The OE/OEM part number for this product is 3968991, ensuring that it is a genuine and compatible accessory. Made in China, this product meets all the required standards and specifications for functionality and safety. Invest in this oil pressure gauge tube for accurate and reliable readings of your engine's oil pressure.