Engine Coolant Thermostat Housing

Part Number: 12594580
Supersession(s): 24502697
View 12594580 Engine Coolant Thermostat Housing Full-Sized Product Image
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Thermostat. Housing. Outlet.
3.5L Includes: Thermostat. Engine Coolant Housing where a Thermostat is used but not included.. hsng. outlt. Engine Coolant. Water Neck.

Engine Coolant Thermostat Housing

3.8 LITER. 3.8, 3.9 LITER. All Models; 3.1L; Eng/Code J. All Models; 3.8L. All Models; 3.8L; w/o Supercharger. All Models; 3.8L; w/Supercharger. All Models; All. All Models; MFI. Bonneville, LeSabre. Bonneville, LeSabre; 3.8L. Grand Prix. Grand Prix; 3.8L. Impala, Monte Carlo; 3.8L. LaCrosse; 3.8L. Lucerne. Park Avenue. Riviera; w/o Supercharger. Riviera; w/Supercharger.
Engine Coolant Thermostat Housing - Repair or Replace
A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your to overheat. Consider replacing your engine coolant thermostat or having our staff of expert techs handle it for you.

Radiator & components.
Full Diagram
Radiator & components. Diagram
#17
3. 9 liter.
3.8. 3.9 LITER.
RADIATOR & COMPONENTS.
Full Diagram
RADIATOR & COMPONENTS. Diagram
#15
3. 8 liter.
3.8 LITER.
Radiator & components.
Full Diagram
Radiator & components. Diagram
#18
1st design. 2nd design. radiator inlet. radiator outlet. w/AC condenser. w/o AC condenser.
RADIATOR & COMPONENTS.
Full Diagram
RADIATOR & COMPONENTS. Diagram
#15
3. 8 liter. Radiator inlet. Radiator outlet. W/HD cooling. W/O hd cooling.
3.8 LITER.
RADIATOR & COMPONENTS.
Full Diagram
RADIATOR & COMPONENTS. Diagram
#20
3. 8 liter.
3.8 LITER.
Radiator & components.
Full Diagram
Radiator & components. Diagram
#12
all. w/coolant sensor. w/o coolant sensor.
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP.
Full Diagram
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP. Diagram
#7
4. 9L; Left. 4. 9L; Lower. 4. 9L; Right. 4. 9L; Upper. 4. 9L; W/HEAVY Duty Cooling. 4. 9L; W/O Heavy Duty Cooling. 6 Cylinder; 180 Degrees. 6 Cylinder; 195 Degrees. 6 Cylinder; ALL. 6 Cylinder; Left. 6 Cylinder; Right. 8 Cylinder; Left. 8 Cylinder; Right. 8 Cylinder; W/HD Cooling. 8 Cylinder; W/O hd Cooling. All Models; 3.8L; Left. All Models; 3.8L; Right. All Models; 3.8L; w/HD Cooling; w/o Reminder Package. All Models; 3.8L; w/HD Cooling; w/Reminder Package. All Models; 3.8L; w/o HD Cooling; w/o Reminder Package. All Models; 3.8L; w/o HD Cooling; w/Reminder Package. All Models; 3.8L; w/o Supercharger. All Models; 3.8L; w/Supercharger. All Models; 4.5L. Buick. Cadillac.
All Models; 3.8L; w/o Supercharger. All Models; 3.8L; w/Supercharger.
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP.
Full Diagram
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP. Diagram
#7
All Models; 1st Design; Left. All Models; 1st Design; Right. All Models; 2nd Design; Left. All Models; 2nd Design; Right. All Models; 3.0L. All Models; 3.8L. All Models; All. All Models; Left. All Models; MFI. All Models; Right. All Models; SFI. All Models; w/HD Cooling. All Models; w/Hi-Output engine. All Models; w/o HD Cooling. All Models; w/o Hi-Output Engine. Buick; Custom; 2 Door; w/HD Cooling. Buick; Custom; 2 Door; w/o HD Cooling. Buick; Custom; 4 Door; HD. Buick; Custom; 4 Door; Standard. Buick; Limited; w/HD Cooling. Buick; Limited; w/o HD Cooling. Oldsmobile; H.D. Cooling. Oldsmobile; Royal Brougham. Oldsmobile; Royal; 2 Door. Oldsmobile; Royal; 4 Door. Oldsmobile; Royal; Heavy Duty Cooling.
All Models; All. All Models; MFI.
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP.
Full Diagram
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP. Diagram
#7
All Models; 2.5L; Dual Fan System; Left. All Models; 2.5L; Dual Fan System; Right. All Models; 2.5L; Single Fan System. All Models; 3.1L; Left; w/HD Cooling. All Models; 3.1L; Left; w/o HD Cooling. All Models; 3.1L; Right; w/HD Cooling. All Models; 3.1L; Right; w/o HD Cooling. All Models; 3.4L; Left. All Models; 3.4L; Right. All Models; 3.8L; All. All Models; 3.8L; Left. All Models; 3.8L; Right; w/HD Cooling. All Models; 3.8L; Right; w/o HD Cooling. All Models; 4 Pin. All Models; 5 Pin. Buick; 3.1L. Buick; 3.8L. Chevrolet; 2.5L; w/AC. Chevrolet; 2.5L; w/o AC. Chevrolet; 3.1L; All. Chevrolet; 3.1L; w/AC; w/3 Speed Trans. Chevrolet; 3.1L; w/AC; w/4 Speed Trans; w/HD Cooling. Chevrolet; 3.1L; w/AC; w/4 Speed Trans; w/o HD Cooling. Chevrolet; 3.1L; w/o AC. Chevrolet; 3.4L; Auto Trans. Chevrolet; 3.4L; Manual Trans.
All Models; 3.1L; Eng/Code J. All Models; 3.8L.
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP.
Full Diagram
COOLING SYSTEM. COOLING FAN. RADIATOR. WATER PUMP. Diagram
Aurora; 3.5L; Includes Thermostat.. Aurora; 3.5L; Includes Water Outlet.. Aurora; 4.0L. Aurora; Left; Includes Fan Blade.. Aurora; Left; Includes Fan Motor.. Aurora; Right; Includes Fan Blade.; 3.5L. Aurora; Right; Includes Fan Blade.; 4.0L. Aurora; Right; Includes Fan Motor.; 3.5L. Aurora; Right; Includes Fan Motor.; 4.0L. Aurora; Surge Tank Cap.. Riviera; All. Riviera; Left. Riviera; Right. Riviera; w/o Supercharger. Riviera; w/Supercharger.
Riviera; w/o Supercharger. Riviera; w/Supercharger.
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