2009 Buick Allure Cooling System Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 122 cooling system parts for the 2009 Buick Allure, across 27 part types, covering both the 3.8L V6 and the 5.3L V8. Every part shows its brand, manufacturer part number and fitment notes.

The cooling system system on the 2009 Buick Allure keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Thermostat (19 parts), Coolant / Antifreeze (15 parts) and Radiator (12 parts). The other 24 part types cover the remaining 76 parts.

Coolant / Antifreeze

Compatible With All Colors

Brand Part Number Markets Notes Buy
PRESTONE Fits: all 2009 Allure engines AF3055
🇨🇦 CA
Prime YellowAll Vehicles
Fitment notes — PRESTONE AF3055
Prime YellowAll VehiclesExtended Life55 GAL DrumConcentratePrime® Extended Life All Makes All Models
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Economy

Brand Part Number Markets Notes Buy
FVP Popular Fits: all 2009 Allure engines MV5050GAL
🇨🇦 CA
Extended LifeAll Makes / All Models
Fitment notes — FVP MV5050GAL
Extended LifeAll Makes / All Models1 Gallon
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PEAK Fits: all 2009 Allure engines BQA1GAL
🇨🇦 CA
Blue Mountain Long LifeAll Vehicle
Fitment notes — PEAK BQA1GAL
Blue Mountain Long LifeAll Vehicle1 Gallon
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PRESTONE Fits: all 2009 Allure engines AF3100
🇨🇦 CA
Prime Yellow - All VehiclesExtended Life
Fitment notes — PRESTONE AF3100
Prime Yellow - All VehiclesExtended Life1 Gallon
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VALVOLINE Fits: all 2009 Allure engines 719009
🇨🇦 CA
Multi-Vehicle Yellow1 Gallon
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Premium

Brand Part Number Markets Notes Buy
PRESTONE Popular Fits: all 2009 Allure engines AF2100
🇨🇦 CA
All Vehicles10yr/300k mi
Fitment notes — PRESTONE AF2100
All Vehicles10yr/300k mi1 GallonExtended Life
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PEAK Fits: all 2009 Allure engines PKP1GAL
🇨🇦 CA
All Vehicles Antifreeze1 Gallon
Fitment notes — PEAK PKP1GAL
All Vehicles Antifreeze1 GallonPREMIUM1 GALLON10X MORE SCALE FIGHTING INHIBITORS10 YEAR/300K MILES
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PEAK Fits: all 2009 Allure engines PXA1GAL
🇨🇦 CA
Global Lifetime1 Gallon
Fitment notes — PEAK PXA1GAL
Global Lifetime1 Gallon
1 GallonGlobal Lifetime
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PRESTONE Fits: all 2009 Allure engines AFMAX
🇨🇦 CA
Max Universal1 Gallon
Fitment notes — PRESTONE AFMAX
Max Universal1 Gallon15 Year/350k Miles
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Standard Replacement

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: all 2009 Allure engines ZXEL1
🇨🇦 CA
Dex-Cool Orange1 Gallon
Fitment notes — VALVOLINE ZXEL1
Dex-Cool Orange1 GallonOAT
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ACDELCO Fits: all 2009 Allure engines 105027
🇨🇦 CA
DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon
Fitment notes — ACDELCO 105027
DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 GallonPremix1 Gallon GM Original EquipmentOrange
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AISIN Fits: all 2009 Allure engines ACD005
🇨🇦 CA
OrangeOAT
Fitment notes — AISIN ACD005
OrangeOAT
(Type: Prediluted)
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FVP Fits: all 2009 Allure engines DEX5050GAL
🇨🇦 CA
Extended Life Blend1 Gallon
Fitment notes — FVP DEX5050GAL
Extended Life Blend1 GallonOrangeOAT
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PRESTONE Fits: all 2009 Allure engines AF3400
🇨🇦 CA
Prime OrangeOrange Compatible
Fitment notes — PRESTONE AF3400
Prime OrangeOrange CompatibleExtended Life1 Gallon ConcentrateOAT
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PRESTONE Fits: all 2009 Allure engines AF850
🇨🇦 CA
DEX-Cool Extended Life1 Gallon
Fitment notes — PRESTONE AF850
DEX-Cool Extended Life1 GallonOrangeOAT
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This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.

Coolant Air Bleeder

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 12602048
🇺🇸 US 🇨🇦 CA
Aluminum51mm
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This table covers the bleeders used to purge air from the coolant circuit.

Coolant Hose / Pipe

Brand Part Number Markets Notes Buy
ACDELCO Fits: 5.3L V8 14479S
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
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CONTINENTAL Fits: 5.3L V8 63234
🇨🇦 CA
I.D. 0.250"Length 15"
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DAYCO Fits: 5.3L V8 86501
🇨🇦 CA
Molded
Fitment notes — DAYCO 86501
Molded
Cut to fit
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GM GENUINE Fits: 3.8L V6 12565082
🇺🇸 US 🇨🇦 CA
Thermostat Bypass
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GM GENUINE Fits: 3.8L V6 24503423
🇺🇸 US 🇨🇦 CA
to lower intake manifold.Thermostat Bypass
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This table covers the hard pipes and extra hoses in the coolant circuit.

Coolant Hose / Pipe Seal

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 3.8L V6 36021
🇨🇦 CA
Water Bypass Seal
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GM GENUINE Fits: 3.8L V6 1534066
🇺🇸 US 🇨🇦 CA
0.674" Diameter
Fitment notes — GM GENUINE 1534066
0.674" Diameter
To Tens and Elbow, To Elbow and lower intake manifoldTeflon Coated0.674 I.D.Thermostat Bypass Pipe Seal
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GM GENUINE Fits: 3.8L V6 24502846
🇺🇸 US 🇨🇦 CA
Elbow to Front Cover0.799' ID
Fitment notes — GM GENUINE 24502846
Elbow to Front Cover0.799' IDThermostat Bypass Pipe Seal
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MAHLE / CLEVITE Fits: 3.8L V6 C31274
🇨🇦 CA
Paper
Fitment notes — MAHLE / CLEVITE C31274
Paper
Water Bypass Seal
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This table covers the seals at the Coolant Hose / Pipe. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Coolant Hose Connector / Flange

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: 3.8L V6 86500
🇨🇦 CA
Coolant Coupling
Fitment notes — FOUR SEASONS 86500
Coolant Coupling
Coolant Coupling
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This table covers the Coolant Hose Connector flanges.

Coolant Reservoir

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.8L V6 603668
🇨🇦 CA
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GM GENUINE Fits: 3.8L V6 20917050
🇺🇸 US 🇨🇦 CA
Reservoir OnlyNeed To Use with Hose 15913153 and Clip 10337278
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GPD Fits: 3.8L V6 2411201
🇨🇦 CA
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This table covers the overflow / expansion tanks that hold extra coolant.

Coolant Reservoir Cap

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2009 Allure engines 82724
🇨🇦 CA
Snap On Cap
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This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.

Coolant Water Crossover Mounting Set

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 5.3L V8 ES73027
🇨🇦 CA
Coolant bleed pipe seals
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MAHLE / CLEVITE Fits: 5.3L V8 GS33845
🇨🇦 CA
Molded Rubber
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VICTOR REINZ Fits: 5.3L V8 181002301
🇨🇦 CA
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This table covers the Coolant Water Crossover Mounting sets.

Cooling Fan Control Module

Brand Part Number Markets Notes Buy
US MOTOR WORKS Fits: all 2009 Allure engines 16749
🇨🇦 CA
Econo Control
Fitment notes — US MOTOR WORKS 16749
Econo Control
Requires 16763 Single Relay Harness
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US MOTOR WORKS Fits: all 2009 Allure engines 16789
🇨🇦 CA
Better Control
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US MOTOR WORKS Fits: all 2009 Allure engines 16795
🇨🇦 CA
Best Control
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This table covers the Cooling Fan control modules.

Cooling System Tester Adapter

Brand Part Number Markets Notes Buy
MOTORAD Fits: all 2009 Allure engines 3128
🇨🇦 CA
StandardRadiator Cap Adapter
Fitment notes — MOTORAD 3128
StandardRadiator Cap Adapter
Cooling System PressureRadiator Cap Adapter
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MOTORAD Fits: all 2009 Allure engines 3127
🇨🇦 CA
Standard
Fitment notes — MOTORAD 3127
Standard
Cooling System Pressure
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This table covers the adapters used to pressure-test this cooling system.

Radiator

Brand Part Number Markets Notes Buy
FVP Popular Fits: 3.8L V6 RAD2710
🇨🇦 CA
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SPECTRA PREMIUM Popular Fits: 5.3L V8 CU2837
🇨🇦 CA
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TYC Popular Fits: 3.8L V6 2710
🇨🇦 CA
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TYC Popular Fits: 5.3L V8 2837
🇨🇦 CA
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AGILITY Fits: 3.8L V6 8012710
🇨🇦 CA
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AGILITY Fits: 5.3L V8 8012827
🇨🇦 CA
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FVP Fits: 5.3L V8 RAD2837
🇨🇦 CA
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OSC Fits: 3.8L V6 2710
🇨🇦 CA
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OSC Fits: 5.3L V8 2837
🇨🇦 CA
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SPECTRA PREMIUM Fits: 3.8L V6 CU2710
🇨🇦 CA
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UAC Fits: 3.8L V6 RA2710C
🇨🇦 CA
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UAC Fits: 5.3L V8 RA2837C
🇨🇦 CA
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This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap.

Radiator Cap

Brand Part Number Markets Notes Buy
ACDELCO Fits: 5.3L V8 RC111
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO RC111
GM Original Equipment
BLACK18 PSI
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ACDELCO Fits: 5.3L V8 12R04
🇺🇸 US 🇨🇦 CA
Professional
Fitment notes — ACDELCO 12R04
Professional
Relief pressure 18 lb
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MOTORAD Fits: 5.3L V8 T61
🇨🇦 CA
Standard
Fitment notes — MOTORAD T61
Standard
Relief Pressure 18 lbs
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This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.

Radiator Drain Petcock

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2009 Allure engines 61136
🇨🇦 CA
Screw-in with O-ring. M15-1.5
Fitment notes — DORMAN 61136
Screw-in with O-ring. M15-1.5
PlasticScrew-In Type
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This table covers the petcocks used to drain the radiator.

Radiator Fan Assembly

Economy

Brand Part Number Markets Notes Buy
GPD Fits: 5.3L V8 2811601
🇨🇦 CA
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TECHPRO Fits: 5.3L V8 GM3115144
🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
AGILITY Popular Fits: 5.3L V8 6016141
🇨🇦 CA
Left
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TYC Fits: 5.3L V8 621430
🇨🇦 CA
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UAC Fits: 5.3L V8 FA50094C
🇨🇦 CA
Radiator-Condenser Fan Assembly
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This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.

Radiator Fan Blade

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 1580593
🇺🇸 US 🇨🇦 CA
Right
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This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different.

Radiator Fan Motor

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 1580641
🇺🇸 US 🇨🇦 CA
RightFor Mating Connector Use 12101917
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GM GENUINE Fits: 5.3L V8 1580640
🇺🇸 US 🇨🇦 CA
LeftUse with Mating Conn 12101917
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This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.

Radiator Hose

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 5.3L V8 20458S
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 20458S
Professional / GoldMolded
Upper
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GATES Popular Fits: 5.3L V8 23120
🇨🇦 CA
Molded
Fitment notes — GATES 23120
Molded
Lower
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ACDELCO Fits: 5.3L V8 26538X
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 26538X
Professional / GoldMolded
Lower
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CONTINENTAL Fits: 5.3L V8 62529
🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62529
Molded
Upper
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CONTINENTAL Fits: 5.3L V8 62583
🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62583
Molded
Lower
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DAYCO Fits: 5.3L V8 72366
🇨🇦 CA
Curved
Fitment notes — DAYCO 72366
Curved
UPPERCUT TO FIT
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DAYCO Fits: 5.3L V8 72365
🇨🇦 CA
Curved
Fitment notes — DAYCO 72365
Curved
Lower
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GATES Fits: 5.3L V8 23119
🇨🇦 CA
Molded
Fitment notes — GATES 23119
Molded
Upper
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This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.

Radiator Upper Air Baffle Retainer / Clip

Brand Part Number Markets Notes Buy
DORMAN Fits: 5.3L V8 700579
🇨🇦 CA
UpperAir Baffle
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DORMAN Fits: 5.3L V8 961359
🇨🇦 CA
Nylon Push In Rivet
Fitment notes — DORMAN 961359
Nylon Push In Rivet
UpperAir Baffle
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This table covers the Radiator Upper Air Baffle retainers and clips.

Temperature Sender / Sensor

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: 5.3L V8 SKTX89
🇨🇦 CA
Fine thread
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DORMAN Fits: 5.3L V8 926016
🇨🇦 CA
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GPD Fits: 5.3L V8 1712517
🇨🇦 CA
with 2 Terminal(s)with M12 x 1.5 Thread
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HOLSTEIN Fits: 5.3L V8 2CTS0318
🇨🇦 CA
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STANDARD MOTOR PRODUCTS Fits: 5.3L V8 TX89T
🇨🇦 CA
T-Series
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 5.3L V8 2134514
🇺🇸 US 🇨🇦 CA
Gold
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GM GENUINE Popular Fits: 5.3L V8 2134333
🇺🇸 US 🇨🇦 CA
White or BlackUse with Mating Connector PT1798
Fitment notes — GM GENUINE 2134333
White or BlackUse with Mating Connector PT1798Mating Connector Use 88987993
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FOUR SEASONS Fits: 5.3L V8 37858
🇨🇦 CA
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NTK Fits: 5.3L V8 EF0075
🇨🇦 CA
Connector Shape: Oblong
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STANDARD MOTOR PRODUCTS Fits: 5.3L V8 TX89
🇨🇦 CA
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WELLS Fits: 5.3L V8 5S1475
🇨🇦 CA
Terminal Quantity: 2Terminal Type: Blade
Fitment notes — WELLS 5S1475
Terminal Quantity: 2Terminal Type: BladeWiring Harness Included: No
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This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.

Thermostat

Economy

Brand Part Number Markets Notes Buy
DORMAN Fits: 5.3L V8 9022836
🇨🇦 CA
Includes Housing
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SKP Fits: 5.3L V8 SK9022836
🇨🇦 CA
Includes Housing
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Heavy Duty

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: 5.3L V8 5456187
🇨🇦 CA
Ultra StatIncludes seal
Fitment notes — MOTORAD 5456187
Ultra StatIncludes seal
187 Degrees FThermostat Only ReplacementOE Specified Temperature
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MOTORAD Fits: 5.3L V8 524KTUS
🇨🇦 CA
Includes Inlet, Ultra Stat thermostat and sealKit
Fitment notes — MOTORAD 524KTUS
Includes Inlet, Ultra Stat thermostat and sealKitUltra Stat
187 Degrees FOE Specified Temperature
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Performance

Brand Part Number Markets Notes Buy
MOTORAD Fits: 5.3L V8 MRD104
🇨🇦 CA
RacingIncludes Thermostat and Seal
Fitment notes — MOTORAD MRD104
RacingIncludes Thermostat and Seal
Temperature 160FThermostat Only Replacement
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Premium

Brand Part Number Markets Notes Buy
MOTORAD Fits: 5.3L V8 7456187
🇨🇦 CA
Fail-SafeIncludes seal
Fitment notes — MOTORAD 7456187
Fail-SafeIncludes seal
187 Degrees FThermostat Only ReplacementOE Specified Temperature
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MOTORAD Fits: 5.3L V8 524KTFS
🇨🇦 CA
Fail-SafeIncludes Inlet, and Seal
Fitment notes — MOTORAD 524KTFS
Fail-SafeIncludes Inlet, and SealKit
187 Degrees FOE Specified Temperature
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Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 5.3L V8 131156
🇺🇸 US 🇨🇦 CA
OE Temperature
Fitment notes — GM GENUINE 131156
OE Temperature
SEAL NOT INCLUDED
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MOTORAD Popular Fits: 5.3L V8 456160
🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 456160
Includes Seal
160 Degrees FThermostat Only ReplacementAlternate Temperature Option
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MOTORAD Popular Fits: 5.3L V8 456180
🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 456180
Includes Seal
180 Degrees FThermostat Only ReplacementAlternate Temperature Option
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CALORSTAT Fits: 5.3L V8 TH210586J
🇨🇦 CA
Includes 1 Rubber Gasket
Fitment notes — CALORSTAT TH210586J
Includes 1 Rubber Gasket
187.0 F Degrees
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CALORSTAT Fits: 5.3L V8 TH210571J
🇨🇦 CA
PerformanceIncludes 1 Rubber Gasket
Fitment notes — CALORSTAT TH210571J
PerformanceIncludes 1 Rubber Gasket
160.0 F Degrees
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CALORSTAT Fits: 5.3L V8 TH210582J
🇨🇦 CA
PerformanceIncludes 1 Rubber Gasket
Fitment notes — CALORSTAT TH210582J
PerformanceIncludes 1 Rubber Gasket
180.0 F Degrees
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FOUR SEASONS Fits: 5.3L V8 86220
🇨🇦 CA
Includes Housing
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GATES Fits: 5.3L V8 34702
🇨🇦 CA
Integrated Housing Thermostat
Fitment notes — GATES 34702
Integrated Housing Thermostat
187 DegreeOE TemperatureSeal Included
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MOTORAD Fits: 5.3L V8 456187
🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 456187
Includes Seal
187 Degrees FThermostat Only ReplacementOE Specified Temperature
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MOTORAD Fits: 5.3L V8 524160
🇨🇦 CA
StandardGasket Or Seal Material: Rubber
Fitment notes — MOTORAD 524160
StandardGasket Or Seal Material: Rubber
Thermostat Only ReplacementAlternate Temperature Option
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MOTORAD Fits: 5.3L V8 524190
🇨🇦 CA
Standard
Fitment notes — MOTORAD 524190
Standard
Thermostat Only ReplacementOE Specified Temperature
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MOTORAD Fits: 5.3L V8 524KT
🇨🇦 CA
Includes Inlet, Thermostat and SealKit
Fitment notes — MOTORAD 524KT
Includes Inlet, Thermostat and SealKitThermostat Kit
187 Degrees FOE Specified Temperature
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This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part.

Thermostat / Thermostat Housing / Water Outlet Seal

Brand Part Number Markets Notes Buy
AJUSA Fits: 5.3L V8 01670500
🇨🇦 CA
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FEL-PRO Fits: 5.3L V8 35720
🇨🇦 CA
Thermostat Housing Seal
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This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Thermostat Housing / Water Outlet

Economy

Brand Part Number Markets Notes Buy
GPD Fits: 5.3L V8 8241539
🇨🇦 CA
Water Outlet
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Standard Replacement

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: 5.3L V8 85083
🇨🇦 CA
Water Outlet
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MOTORAD Fits: 5.3L V8 CH2836
🇨🇦 CA
Water Outlet
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This table covers the housings and outlets the thermostat sits in.

Water Inlet Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 131169
🇺🇸 US 🇨🇦 CA
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This table covers the gaskets that seal the Water Inlet. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Water Pump

Economy

Brand Part Number Markets Notes Buy
US MOTOR WORKS Popular Fits: 5.3L V8 US6154
🇨🇦 CA
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FVP Fits: 5.3L V8 US6154
🇨🇦 CA
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WJB / INMOTION PARTS Fits: 5.3L V8 WU6154
🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
GMB Popular Fits: 5.3L V8 1302040
🇨🇦 CA
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DAYCO Fits: 5.3L V8 DP1327
🇨🇦 CA
Serpentine Belt Driven
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GATES Fits: 5.3L V8 42288
🇨🇦 CA
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This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off.

Water Pump Gasket

Brand Part Number Markets Notes Buy
AJUSA Fits: 5.3L V8 01900300
🇨🇦 CA
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ENGINE PRO Fits: 5.3L V8 3112630223
🇨🇦 CA
Also Fits LS6 Engine
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FEL-PRO Fits: 5.3L V8 35852
🇨🇦 CA
To Block
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VICTOR REINZ Fits: 5.3L V8 711421300
🇨🇦 CA
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This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Water Pump Inlet Tube

Brand Part Number Markets Notes Buy
ACDELCO Fits: 5.3L V8 30124
🇺🇸 US 🇨🇦 CA
Gold / ProfessionalStraight
Fitment notes — ACDELCO 30124
Gold / ProfessionalStraight5/8" (60 psi)
Pipe-1 To Water PumpCut To Length, 6"
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GATES Fits: 5.3L V8 28417
🇨🇦 CA
StraightSafety Stripe® Series
Fitment notes — GATES 28417
StraightSafety Stripe® Series5/8" I.D.60 psi
Pipe-1 To Water PumpCut To FitLength: 6"
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This table covers the Water Pump Inlet tubes.

Water Pump Seal / O-Ring

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 5.3L V8 35633
🇨🇦 CA
O-Ring
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VICTOR REINZ Fits: 5.3L V8 411041500
🇨🇦 CA
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This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.

Buying Cooling System Parts for a 2009 Buick Allure

On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.

  • Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Thermostat and Coolant / Antifreeze .

Frequently Asked Questions

How many cooling system parts fit the 2009 Buick Allure?

Our catalog currently lists 122 cooling system parts for the 2009 Buick Allure across 27 subcategories and 34 brands, covering both the 3.8L V6 and the 5.3L V8. Each part is matched to the engine(s) it fits.

Do cooling system parts differ between 2009 Buick Allure engines?

Some do. 22 parts fit every engine; the other 100 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of cooling system problems on a 2009 Buick Allure?

Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2009 Buick Allure was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2009 Buick Allure?

First match the engine — each row shows which engine(s) the part fits. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2009 Buick Allure

Cooling System Parts for Other Buick Allure Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.