Dayco 88511 HVAC Heater Hose - Auxiliary Water Pump To Pipe

Overview of Dayco Small I.D. Heater Hose 88511 for BMW X5

The Dayco Small I.D. Heater Hose 88511 is designed specifically for HVAC systems in BMW X5 models. Engineered with durable EPDM material and a protective sleeve, this hose ensures reliable performance in heating applications.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with a single inside diameter of 13/16 inch on both ends
• Includes a protective sleeve for added durability
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Outside diameter of 1 13/16 inch on both ends for precise fit
• Trunk height of 10 1/2 inches for proper routing

Detailed Product Description

The Dayco Small I.D. Heater Hose 88511 is a single inside diameter hose designed to meet the specific HVAC requirements of the BMW X5. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids, this hose maintains integrity under demanding engine compartment conditions. The hose features a black finish and includes a protective sleeve to guard against abrasion and premature wear. Both ends have an inside diameter of 13/16 inch and an outside diameter of 1 13/16 inch, ensuring a secure and leak-free connection. This hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for heater and coolant system applications.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing precise fitment and durability for HVAC systems requiring smaller inside diameter hoses. This product line is engineered to meet strict SAE specifications, offering reliable performance in heating and cooling circuits. The 88511 part number is part of this line, delivering a balance of flexibility and protection with its EPDM construction and protective sleeve.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in BMW X5 HVAC systems
• Prevention of coolant leaks that can cause engine overheating
• Elimination of hose collapse or blockage affecting heater core performance
• Protection against abrasion and environmental damage in engine compartments
• Ensuring proper coolant flow for consistent cabin heating

Installation Notes and Tips

• Verify hose dimensions and compatibility with BMW X5 HVAC connections before installation
• Inspect hose routing to avoid sharp bends or contact with moving parts
• Use appropriate clamps to secure hose ends and prevent leaks
• Replace any damaged clamps or fittings during installation for optimal sealing
• Check for coolant leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 88511 to meet SAE standards, ensuring consistent quality and performance. The EPDM material and protective sleeve contribute to long service life under typical operating conditions. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier.