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1991 Cadillac Fleetwood
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Price Match Guarantee
60-Day Returns
Lifetime Replacement
1991 Cadillac Fleetwood

1991 Cadillac Fleetwood Heater Valves

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Heater Valve - Sold individually
GPD®
Heater Valve - Sold individually
Part Number: GPD8211249
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 1991 Cadillac Fleetwood 60 Special 8 Cyl 4.9L Heater Wat Flow Control
  • 1991 Cadillac Fleetwood d'Elegance 8 Cyl 4.9L Heater Wat Flow Control
  • 1991 Cadillac Fleetwood Base 8 Cyl 4.9L Heater Wat Flow Control
Product Details
Warranty : 1 year GPD limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
4-Seasons®
4-Seasons OE Replacement Heater Valve - Direct Fit, Sold individually
Part Number: FS74799
Guaranteed to Fit
$18.99
Vehicle Fitment
  • 1991 Cadillac Fleetwood Base All Engines Control Valve, Tee Fitting
  • 1991 Cadillac Fleetwood 60 Special All Engines Control Valve, Tee Fitting
  • 1991 Cadillac Fleetwood d'Elegance All Engines Control Valve, Tee Fitting
Product Details
Notes : Water Control Tee Valve; Plastic Material; 3 Connectors; Flow Control Bypass Operation Type; 0.75 in. Opening A, B and CWarranty : 120-day 4-Seasons limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : 4-Seasons OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Heater Valve - Direct Fit, Sold individually
AC Delco®
GM Original Equipment Series Heater Valve - Direct Fit, Sold individually
Part Number: AC155390
Guaranteed to Fit
$33.49
Vehicle Fitment
  • 1991 Cadillac Fleetwood All Submodels All Engines
Product Details
Notes : Heater water flow control valve assemblyWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesProduct Fit : Direct Fit
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Product Questions & Answers

AC Delco GM Original Equipment Series Heater Valve - Direct Fit, Sold individually
$33.49
Q:Will the control heat in my car.. ?
Ellison L.
A:BEST ANSWERHi Ellison, I'm pleased to assist you. Yes, this part will control the heat in your car. It is a heater water flow control valve that regulates the flow of coolant through the heater core. To continue ordering, click the link below today. Take advantage of our ongoing sale and limited stocks. I hope this is helpful, and enjoy shopping! https://www.carparts.com/heater-valve/ac-delco/ac155390?can=CPGG4850_CSQA_20231011 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Heating System Parts
Heating System PartsThe blower motor is a fan that forces air through either the heating or the cooling unit of the HVAC system. If you’re running the heater, the motor blows air over the heater core. The warmed air enters the passenger cabin, raising the temperature and fighting off the cold.
How a Heater Control Valve Works (with Diagram)
How a Heater Control Valve Works (with Diagram)Your car’s heater relies on hot coolant—from the engine’s cooling system—to warm the cabin. A typical cooling system has four primary components: the water pump, radiator, thermostat, and heater core.  A typical cooling system has four primary components: the water pump, radiator, thermostat, and heater core.