URO 4397659 Radiator Coolant Hose - Lower

Radiator Coolant Hose for Saab 9-5

This URO radiator coolant hose is a direct-fit replacement for the lower cooling circuit on select Saab 9-5 models. Built to OE dimensions and shape, it supports straightforward installation and reliable coolant routing for 1999-2003 Saab 9-5 applications.

• Fits 1999-2003 Saab 9-5, lower
• Precision-molded to OE dimensions and shape
• EPDM construction resists engine heat, ozone, and electrochemical degradation
• Temperature rated from -40°F to 275°F (-40°C to 135°C)
• Guaranteed fitment for the listed application
• URO Part Number 4397659

Application Details

Use this lower radiator coolant hose on compatible Saab 9-5 vehicles when replacing a worn, cracked, or leaking hose in the cooling system. The molded profile helps maintain the original routing and connection points on the 1999-2003 Saab 9-5, and the EPDM material is selected to withstand heat cycling and ozone exposure. This part number 4397659 is also referenced for the same application under cross-reference numbers 43 97 659 and URO-002808.

Common Problems It Can Address

• Coolant leaks from a split or hardened lower hose
• Softening, swelling, or cracking from age and heat exposure
• Incorrect hose shape or fitment after prior repairs
• Cooling system flow issues caused by a damaged hose
• Loss of coolant from degraded rubber at the connection points

Installation Notes

Confirm the vehicle is a 1999-2003 Saab 9-5 with the lower hose application before installation. Inspect adjoining clamps, fittings, and nearby cooling system components for wear or corrosion, and replace any damaged parts as needed. Always refill and bleed the cooling system according to factory service procedures after hose replacement.

Quality Assurance

URO backs this radiator coolant hose with a 24-month unlimited mileage warranty. The hose is precision-molded for OE-style fitment and made from ECD-resistant EPDM to help resist internal breakdown from electrolysis.