URO 4073706 HVAC Heater Bypass Valve

Brand URO 4073706
Fits Saab · 5 vehicles

Factory-molded fit. Precision dimensions make installation easier.

Heat-resistant materials. Built to withstand cooling-system heat and corrosive antifreeze.

HVAC bypass valve. Helps regulate coolant flow through the heater circuit.

Cross-references URO 4073706, 40 73 706 and 653 46001 703 for the same application. See all 7.

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HVAC Heater Bypass Valve for Saab 900

This URO HVAC heater bypass valve is a direct-fit replacement for select 1990-1994 Saab 900 models. It is precision-molded to factory HVAC heater bypass valve dimensions for straightforward installation and reliable cooling-system control.

Key Features

  • Fits 1990-1994 Saab 900, N/A
  • Precision-molded to factory HVAC heater bypass valve dimensions
  • Built from high-quality materials for cooling-system service
  • Rated for temperatures from -40°F to 275°F (-40°C to 135°C)
  • Resists heat and corrosive antifreeze exposure
  • URO part number 4073706

Product Details

URO 4073706 is an HVAC heater bypass valve made for Saab 900 applications that require an OE-style replacement with accurate dimensions and material durability. It is engineered to handle the heat and chemical exposure found in the cooling system while maintaining proper HVAC flow control. This part cross-references URO 4073706E for the same application.

Common Issues It Can Help Resolve

  • Heater bypass valve leakage
  • Restricted or inconsistent coolant flow through the HVAC circuit
  • Temperature-related cracking or material breakdown
  • Fitment problems caused by worn or distorted original valve dimensions
  • Cooling-system odor or residue from deteriorated valve materials

Installation Notes

Verify the vehicle application before installation. This valve is precision-molded for factory HVAC heater bypass valve dimensions, which supports a direct replacement process on 1990-1994 Saab 900 models. Inspect surrounding coolant hoses and connections for wear before reassembly, and confirm the cooling system is properly filled and bled after service.

Quality Assurance

URO backs this HVAC heater bypass valve with a 24-month unlimited mileage warranty. The part is made from materials selected to withstand cooling-system heat and corrosive antifreeze, and it is rated for service from -40°F to 275°F (-40°C to 135°C).

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1994Saab9002.0LL4N/A—
1993Saab900——N/A—
1992Saab900——N/A—
1991Saab900——N/A—
1990Saab900——N/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
URO — 407370640 73 706653 46001 703653 46001 7384073706E32101340URO-009385