CRP 51731257971-5 CONTITECH Black Silicone Vacuum Hose 3.5mm x 7.5mm

The CRP 51731257971-5 is a premium black silicone vacuum hose manufactured by ContiTech, the engineered rubber products division of Continental AG. This high-quality vacuum line is designed to replace aging or deteriorated OEM vacuum hoses in automotive applications, ensuring reliable vacuum system performance.

Key Specifications:

• Inner Diameter: 3.5mm (approximately 0.138 inches)
• Outer Diameter: 7.5mm (approximately 0.295 inches)
• Wall Thickness: 2mm
• Material: Black silicone construction for superior heat and chemical resistance
• Length: 5 meters (approximately 16.4 feet) per roll
• Sold by the meter for custom length applications

Features and Benefits:

• Premium silicone material resists heat, oil, and aging far better than standard rubber hoses
• Direct replacement for deteriorated vacuum lines that commonly crack and fail over time
• Used extensively in crankcase ventilation systems, fuel pressure regulators, and intake manifold vacuum connections
• OE-quality construction from a leading European automotive supplier
• Bulk roll format allows for custom length cutting to match specific repair needs

ContiTech vacuum hoses are trusted original equipment on many European vehicles and provide reliable, long-lasting performance. This silicone formulation is particularly well-suited for high-temperature engine bay applications where standard rubber hoses would deteriorate rapidly. Compatible with BMW OEM part numbers 11727545323, 11731264778, and others.