2006 Buick Terraza Cooling System Parts

Engine:

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

This page lists 211 cooling system parts for the 2006 Buick Terraza, across 23 part types, covering both the 3.5L V6 and the 3.9L V6. Every part shows its brand, manufacturer part number and fitment notes.

On the 2006 Buick Terraza, 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. Most of the listed parts are Thermostat (29 parts), Radiator (20 parts) and Temperature Sender / Sensor (19 parts). The other 20 part types cover the remaining 143 parts.

Coolant / Antifreeze

Compatible With All Colors

Brand Part Number Markets Notes Buy
PRESTONE Fits: all 2006 Terraza engines AF3055
🇺🇸 US 🇨🇦 CA
Prime YellowAll Vehicles
Fitment notes — PRESTONE AF3055
Prime YellowAll VehiclesExtended Life55 GAL DrumConcentratePrime® Extended Life All Makes All Models
View on
Amazon

Economy

Brand Part Number Markets Notes Buy
FVP Popular Fits: all 2006 Terraza engines MV5050GAL
🇺🇸 US 🇨🇦 CA
Extended LifeAll Makes / All Models
Fitment notes — FVP MV5050GAL
Extended LifeAll Makes / All Models1 Gallon
View on
Amazon
PEAK Fits: all 2006 Terraza engines BQA1GAL
🇺🇸 US 🇨🇦 CA
Blue Mountain Long LifeAll Vehicle
Fitment notes — PEAK BQA1GAL
Blue Mountain Long LifeAll Vehicle1 Gallon
View on
Amazon
PRESTONE Fits: all 2006 Terraza engines AF3100
🇺🇸 US 🇨🇦 CA
Prime Yellow - All VehiclesExtended Life
Fitment notes — PRESTONE AF3100
Prime Yellow - All VehiclesExtended Life1 Gallon
View on
Amazon
VALVOLINE Fits: all 2006 Terraza engines 719009
🇺🇸 US 🇨🇦 CA
Multi-Vehicle Yellow1 Gallon
View on
Amazon

Heavy Duty

Brand Part Number Markets Notes Buy
PRESTONE Fits: all 2006 Terraza engines AFC12100
🇺🇸 US 🇨🇦 CA
Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT
Fitment notes — PRESTONE AFC12100
Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT1 GAL Ready To Use 50/50
Heavy Duty & Mixed Fleet Nitrite Free Extended Life CoolantYellow Fluid Class 1 - 8
View on
Amazon

Premium

Brand Part Number Markets Notes Buy
PRESTONE Popular Fits: all 2006 Terraza engines AF2100
🇺🇸 US 🇨🇦 CA
All Vehicles10yr/300k mi
Fitment notes — PRESTONE AF2100
All Vehicles10yr/300k mi1 GallonExtended Life
View on
Amazon
PEAK Fits: all 2006 Terraza engines PKP1GAL
🇺🇸 US 🇨🇦 CA
All Vehicles Antifreeze1 Gallon
Fitment notes — PEAK PKP1GAL
All Vehicles Antifreeze1 GallonPREMIUM1 GALLON10X MORE SCALE FIGHTING INHIBITORS10 YEAR/300K MILES
View on
Amazon
PEAK Fits: all 2006 Terraza engines PXA1GAL
🇺🇸 US 🇨🇦 CA
1 GallonGlobal Lifetime
Fitment notes — PEAK PXA1GAL
1 GallonGlobal Lifetime
Global Lifetime1 Gallon
View on
Amazon
PRESTONE Fits: all 2006 Terraza engines AFMAX
🇺🇸 US 🇨🇦 CA
Max Universal1 Gallon
Fitment notes — PRESTONE AFMAX
Max Universal1 Gallon15 Year/350k Miles
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 2006 Terraza engines 105027
🇺🇸 US 🇨🇦 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
View on
Amazon
VALVOLINE Popular Fits: all 2006 Terraza engines ZXEL1
🇺🇸 US 🇨🇦 CA
Dex-Cool Orange1 Gallon
Fitment notes — VALVOLINE ZXEL1
Dex-Cool Orange1 GallonOAT
View on
Amazon
AISIN Fits: all 2006 Terraza engines ACD005
🇺🇸 US 🇨🇦 CA
OrangeOAT
Fitment notes — AISIN ACD005
OrangeOAT
(Type: Prediluted)
View on
Amazon
FVP Fits: all 2006 Terraza engines DEX5050GAL
🇺🇸 US 🇨🇦 CA
Extended Life Blend1 Gallon
Fitment notes — FVP DEX5050GAL
Extended Life Blend1 GallonOrangeOAT
View on
Amazon
PRESTONE Fits: all 2006 Terraza engines AF3400
🇺🇸 US 🇨🇦 CA
Prime OrangeOrange Compatible
Fitment notes — PRESTONE AF3400
Prime OrangeOrange CompatibleExtended Life1 Gallon ConcentrateOAT
View on
Amazon
PRESTONE Fits: all 2006 Terraza engines AF850
🇺🇸 US 🇨🇦 CA
DEX-Cool Extended Life1 Gallon
Fitment notes — PRESTONE AF850
DEX-Cool Extended Life1 GallonOrangeOAT
View on
Amazon
VALVOLINE Fits: all 2006 Terraza engines 888374
🇺🇸 US 🇨🇦 CA
American Vehicle Orange1 Gallon
Fitment notes — VALVOLINE 888374
American Vehicle Orange1 Gallon
(Type: Prediluted)
View on
Amazon

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
DORMAN Fits: all 2006 Terraza engines 902112
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the bleeders used to purge air from the coolant circuit.

Coolant Filler Neck

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.9L V6 902696
🇺🇸 US 🇨🇦 CA
View on
Amazon
FOUR SEASONS Fits: 3.9L V6 86130
🇺🇸 US 🇨🇦 CA
View on
Amazon
MOTORAD Fits: 3.9L V6 CH2696
🇺🇸 US 🇨🇦 CA
Includes Housing
View on
Amazon
SKP Fits: 3.9L V6 SK902696
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Coolant filler necks.

Coolant Hose / Pipe

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.5L V6 14156S
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
View on
Amazon
GM GENUINE Popular Fits: 3.9L V6 12589978
🇺🇸 US 🇨🇦 CA
Thermostat To PipeFWD
View on
Amazon
ACDELCO Fits: 3.9L V6 14277S
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
View on
Amazon
CONTINENTAL Fits: 3.5L V6 63121
🇺🇸 US 🇨🇦 CA
Molded
View on
Amazon
DAYCO Fits: 3.5L V6 71692
🇺🇸 US 🇨🇦 CA
Curved
View on
Amazon
DAYCO Fits: 3.9L V6 72337
🇺🇸 US 🇨🇦 CA
Curved
View on
Amazon
GATES Fits: 3.5L V6 19026
🇺🇸 US 🇨🇦 CA
Molded19/32" x 6"
View on
Amazon
GATES Fits: 3.9L V6 21739
🇺🇸 US 🇨🇦 CA
Molded5/8" x 5 11/16" Does Not Contain Spring
Fitment notes — GATES 21739
Molded5/8" x 5 11/16" Does Not Contain Spring
Pipe-2 To TeeCut to Fit
View on
Amazon
GATES Fits: 3.9L V6 19768
🇺🇸 US 🇨🇦 CA
Molded23/32" x 8 3/32"
View on
Amazon
GM GENUINE Fits: 3.5L V6 10182356
🇺🇸 US 🇨🇦 CA
Thermostat To Pipe
View on
Amazon

This table covers the hard pipes and extra hoses in the coolant circuit.

Coolant Hose / Pipe Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.9L V6 24504709
🇺🇸 US 🇨🇦 CA
InletOuter Diameter 0.549 Inner Diameter 0.103 Cross-Section Diameter
Fitment notes — GM GENUINE 24504709
InletOuter Diameter 0.549 Inner Diameter 0.103 Cross-Section DiameterThrottle Body Heater Hose
View on
Amazon

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 Seal

Brand Part Number Markets Notes Buy
AJUSA Fits: 3.9L V6 01867100
🇺🇸 US 🇨🇦 CA
View on
Amazon
MAHLE / CLEVITE Fits: 3.9L V6 C32203
🇺🇸 US 🇨🇦 CA
Molded Rubber
Fitment notes — MAHLE / CLEVITE C32203
Molded Rubber
Left Side of EngineWater Bypass Seal
View on
Amazon
MAHLE / CLEVITE Fits: 3.9L V6 C32204
🇺🇸 US 🇨🇦 CA
Molded Rubber
Fitment notes — MAHLE / CLEVITE C32204
Molded Rubber
Right Side of EngineWater Bypass Seal
View on
Amazon

This table covers the seals at the Coolant Hose Connector / Flange. 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 Reservoir Retainer / Clip

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2006 Terraza engines 963022
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Coolant Reservoir retainers and clips.

Cooling Fan Control Module

Brand Part Number Markets Notes Buy
US MOTOR WORKS Fits: all 2006 Terraza engines 16749
🇺🇸 US 🇨🇦 CA
Econo Control
Fitment notes — US MOTOR WORKS 16749
Econo Control
Requires 16763 Single Relay Harness
View on
Amazon
US MOTOR WORKS Fits: all 2006 Terraza engines 16789
🇺🇸 US 🇨🇦 CA
Better Control
View on
Amazon
US MOTOR WORKS Fits: all 2006 Terraza engines 16795
🇺🇸 US 🇨🇦 CA
Best Control
View on
Amazon

This table covers the Cooling Fan control modules.

Cooling System Tester Adapter

Brand Part Number Markets Notes Buy
ACDELCO Fits: 3.5L V6 12A01
🇺🇸 US 🇨🇦 CA
ProfessionalIncluded In Tester
Fitment notes — ACDELCO 12A01
ProfessionalIncluded In Tester
Cooling System PressureRadiator Cap Adapter
View on
Amazon
GATES Fits: 3.5L V6 31413
🇺🇸 US 🇨🇦 CA
Cooling System PressureRadiator Cap
Fitment notes — GATES 31413
Cooling System PressureRadiator CapSystem Adapter on Tester
View on
Amazon
GATES Fits: 3.9L V6 31431
🇺🇸 US 🇨🇦 CA
Cooling System Pressure
View on
Amazon
GATES Fits: 3.9L V6 31391
🇺🇸 US 🇨🇦 CA
Cooling System PressureRadiator Cap
View on
Amazon
MOTORAD Fits: 3.5L V6 3003
🇺🇸 US 🇨🇦 CA
StandardIncluded In Tester Kit
Fitment notes — MOTORAD 3003
StandardIncluded In Tester KitRadiator Cap Adapter
Cooling System PressureRadiator Cap Adapter
View on
Amazon
MOTORAD Fits: 3.9L V6 3128
🇺🇸 US 🇨🇦 CA
StandardRadiator Cap Adapter
Fitment notes — MOTORAD 3128
StandardRadiator Cap Adapter
Cooling System PressureRadiator Cap Adapter
View on
Amazon
MOTORAD Fits: 3.9L V6 3127
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD 3127
Standard
Cooling System Pressure
View on
Amazon

This table covers the adapters used to pressure-test this cooling system.

Radiator

Economy

Brand Part Number Markets Notes Buy
GPD Fits: 3.9L V6 2562C
🇺🇸 US 🇨🇦 CA
5/8" Core Thickness
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
KOYORAD Popular Fits: 3.9L V6 A2881
🇺🇸 US 🇨🇦 CA
View on
Amazon
TYC Popular Fits: 3.9L V6 2881
🇺🇸 US 🇨🇦 CA
PRIMARY
View on
Amazon
AGILITY Fits: 3.9L V6 8012881
🇺🇸 US 🇨🇦 CA
View on
Amazon
DENSO Fits: 3.9L V6 2219121
🇺🇸 US 🇨🇦 CA
View on
Amazon
FVP Fits: 3.9L V6 RAD2881
🇺🇸 US 🇨🇦 CA
View on
Amazon
OSC Fits: 3.9L V6 2881
🇺🇸 US 🇨🇦 CA
View on
Amazon
SPECTRA PREMIUM Fits: 3.9L V6 CU2881
🇺🇸 US 🇨🇦 CA
View on
Amazon
UAC Fits: 3.9L V6 RA2881C
🇺🇸 US 🇨🇦 CA
View on
Amazon
Brand Part Number Markets Notes Buy
CSF Popular Fits: 3.5L V6 3448
🇺🇸 US 🇨🇦 CA
1 RowPlastic Tank / Aluminum Core
Fitment notes — CSF 3448
1 RowPlastic Tank / Aluminum CoreMulti Fit Model (Not Direct OE Match) supplied with quick-connect Oil cooler fittings & sensor plug
View on
Amazon
KOYORAD Popular Fits: 3.5L V6 A2728
🇺🇸 US 🇨🇦 CA
View on
Amazon
TYC Popular Fits: 3.5L V6 2562
🇺🇸 US 🇨🇦 CA
PrimaryStandard Duty
View on
Amazon
ACDELCO Fits: 3.5L V6 15791268
🇺🇸 US 🇨🇦 CA
with Heavy Duty Cooling (V08)Core Size 30-1/2 IN X 15 IN X 5/8 IN Transmission Oil Cooler
View on
Amazon
AGILITY Fits: 3.5L V6 8012562
🇺🇸 US 🇨🇦 CA
View on
Amazon
DENSO Fits: 3.5L V6 2219015
🇺🇸 US 🇨🇦 CA
with Heavy Duty Cooling
View on
Amazon
FVP Fits: 3.5L V6 RAD2562
🇺🇸 US 🇨🇦 CA
View on
Amazon
OSC Fits: 3.5L V6 2562
🇺🇸 US 🇨🇦 CA
View on
Amazon
SPECTRA PREMIUM Fits: 3.5L V6 CU2562
🇺🇸 US 🇨🇦 CA
View on
Amazon
TYC Fits: 3.5L V6 2728
🇺🇸 US 🇨🇦 CA
Heavy Duty Cooling
View on
Amazon
UAC Fits: 3.5L V6 RA2728C
🇺🇸 US 🇨🇦 CA
View on
Amazon

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

Locking Replacement

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: 3.5L V6 ST16V
🇺🇸 US 🇨🇦 CA
Safety Lever
Fitment notes — MOTORAD ST16V
Safety Lever
Relief Pressure 16 lbs
View on
Amazon
GATES Fits: 3.5L V6 31516
🇺🇸 US 🇨🇦 CA
Safety Release Radiator Cap
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GATES Popular Fits: 3.5L V6 31523
🇺🇸 US 🇨🇦 CA
OE Type
View on
Amazon
ACDELCO Fits: 3.5L V6 RC96
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO RC96
GM Original Equipment
with DEX-Cool LabelMetal
View on
Amazon
CSF Fits: 3.5L V6 4515
🇺🇸 US 🇨🇦 CA
Small, 16 psi
View on
Amazon
MOTORAD Fits: 3.5L V6 T16V
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD T16V
Standard
Relief Pressure 16 lbs
View on
Amazon
SKP Fits: 3.5L V6 SK10231
🇺🇸 US 🇨🇦 CA
Pressure Rating 16 psi
View on
Amazon
Brand Part Number Markets Notes Buy
ACDELCO Fits: 3.9L V6 RC111
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO RC111
GM Original Equipment
BLACK18 PSI
View on
Amazon
ACDELCO Fits: 3.9L V6 12R04
🇺🇸 US 🇨🇦 CA
Professional
Fitment notes — ACDELCO 12R04
Professional
Relief pressure 18 lb
View on
Amazon
GATES Fits: 3.9L V6 31566
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 31566
OE Type
18 psi Pressure Rating
View on
Amazon
MOTORAD Fits: 3.9L V6 T61
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD T61
Standard
Relief Pressure 18 lbs
View on
Amazon

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 Fan Assembly

Economy

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.5L V6 621382
🇺🇸 US 🇨🇦 CA
with Heavy Duty Coolingwithout Rear Air Conditioning
View on
Amazon
DORMAN Popular Fits: 3.9L V6 620977
🇺🇸 US 🇨🇦 CA
View on
Amazon
GPD Fits: all 2006 Terraza engines 2811605
🇺🇸 US 🇨🇦 CA
with Rear Temperature Controls
View on
Amazon
ULTRA-POWER Fits: 3.5L V6 620976
🇺🇸 US 🇨🇦 CA
without Rear Air Conditioningwithout Heavy Duty Cooling
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular Fits: all 2006 Terraza engines 76298
🇺🇸 US 🇨🇦 CA
Vehicle with Rear AC
View on
Amazon
AGILITY Fits: 3.5L V6 6010500
🇺🇸 US 🇨🇦 CA
with Rear AC
View on
Amazon
FOUR SEASONS Fits: 3.5L V6 76041
🇺🇸 US 🇨🇦 CA
Vehicle without Rear AC
View on
Amazon
TYC Fits: 3.5L V6 621540
🇺🇸 US 🇨🇦 CA
with Rear Temperature Controls
View on
Amazon
TYC Fits: 3.5L V6 621530
🇺🇸 US 🇨🇦 CA
without Rear Temperature Controls
View on
Amazon
VDO / CONTINENTAL Fits: all 2006 Terraza engines FA70328
🇺🇸 US 🇨🇦 CA
Airflow Rate: 1598.174
View on
Amazon
VDO / CONTINENTAL Fits: 3.9L V6 FA70809
🇺🇸 US 🇨🇦 CA
Airflow Rate: 1575.196
View on
Amazon

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.

Radiator Fan Motor

Brand Part Number Markets Notes Buy
ACDELCO Fits: 3.5L V6 1581058
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO 1581058
GM Original Equipment
RightHeavy Duty Cooling (V08)Except Rear Auxiliary A/C (C69)
View on
Amazon
GM GENUINE Fits: all 2006 Terraza engines 1581060
🇺🇸 US 🇨🇦 CA
Fits RightRear Auxiliary A/C (C69), Heavy Duty Cooling (V08)
Fitment notes — GM GENUINE 1581060
Fits:
RightRear Auxiliary A/C (C69), Heavy Duty Cooling (V08)
or:
RightRear Auxiliary A/C (C69)Exc. Heavy Duty Cooling (V08)
RightFWDWILL REQ USE OF BLADE KIT P/N 15875024
View on
Amazon
GM GENUINE Fits: 3.9L V6 1581061
🇺🇸 US 🇨🇦 CA
LeftWILL REQ USE OF BLADE KIT P/N 15875024
View on
Amazon

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

Economy

Brand Part Number Markets Notes Buy
DAYCO Fits: 3.9L V6 81031
🇺🇸 US 🇨🇦 CA
Flex Radiator Hose
Fitment notes — DAYCO 81031
Flex Radiator Hose
Lower
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
DAYCO Popular Fits: 3.9L V6 71926
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71926
Curved
LowerCut to fit
View on
Amazon
GATES Popular Fits: 3.9L V6 22090
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 22090
Molded
LowerCut to fit
View on
Amazon
ACDELCO Fits: 3.9L V6 20275S
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 20275S
Professional / GoldMolded
LowerCut to fit
View on
Amazon
ACDELCO Fits: 3.9L V6 26549X
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 26549X
Professional / GoldMolded
Upper
View on
Amazon
CONTINENTAL Fits: 3.9L V6 62895
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62895
Molded
Lower
View on
Amazon
CONTINENTAL Fits: 3.9L V6 62894
🇺🇸 US 🇨🇦 CA
MoldedI.D. 1.250"
Fitment notes — CONTINENTAL 62894
MoldedI.D. 1.250"
Upper
View on
Amazon
DAYCO Fits: 3.9L V6 72401
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 72401
Curved
Upper
View on
Amazon
GATES Fits: 3.9L V6 23140
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 23140
Molded
Upper
View on
Amazon
Brand Part Number Markets Notes Buy
DAYCO Popular Fits: 3.5L V6 72039
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 72039
Curved
Lower
View on
Amazon
DAYCO Popular Fits: 3.5L V6 71850
🇺🇸 US 🇨🇦 CA
Curved
Fitment notes — DAYCO 71850
Curved
UPPERCUT TO FIT
View on
Amazon
ACDELCO Fits: 3.5L V6 22556M
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 22556M
Professional / GoldMolded
Upper
View on
Amazon
ACDELCO Fits: 3.5L V6 22557M
🇺🇸 US 🇨🇦 CA
Professional / GoldMolded
Fitment notes — ACDELCO 22557M
Professional / GoldMolded
Lower
View on
Amazon
CONTINENTAL Fits: 3.5L V6 62326
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62326
Molded
Upper
View on
Amazon
GATES Fits: 3.5L V6 23078
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 23078
Molded
Upper
View on
Amazon
GATES Fits: 3.5L V6 23079
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 23079
Molded
Lower
View on
Amazon

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: all 2006 Terraza engines 700365
🇺🇸 US 🇨🇦 CA
Outside Diameter: 0.688 InAir Box Clip
Fitment notes — DORMAN 700365
Outside Diameter: 0.688 InAir Box Clip
Fits:
LeftSide Air Baffle
or:
RightSide Air Baffle
View on
Amazon
DORMAN Fits: all 2006 Terraza engines 963058
🇺🇸 US 🇨🇦 CA
Outside Diameter: 0.71 InAir Box Clip
Fitment notes — DORMAN 963058
Outside Diameter: 0.71 InAir Box Clip
Fits:
LeftSide Air Baffle
or:
RightSide Air Baffle
View on
Amazon

This table covers the Radiator Upper Air Baffle retainers and clips.

Temperature Sender / Sensor

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: all 2006 Terraza engines SKTX89
🇺🇸 US 🇨🇦 CA
Fine thread
View on
Amazon
DORMAN Fits: 3.5L V6 926016
🇺🇸 US 🇨🇦 CA
View on
Amazon
GPD Fits: all 2006 Terraza engines 1712489
🇺🇸 US 🇨🇦 CA
with 2 Terminal(s)with M12 x 1.5 Thread
View on
Amazon
HOLSTEIN Fits: all 2006 Terraza engines 2CTS0318
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: all 2006 Terraza engines TX89T
🇺🇸 US 🇨🇦 CA
T-Series
View on
Amazon
UNITED MOTOR PRODUCTS Fits: all 2006 Terraza engines CTS73
🇺🇸 US 🇨🇦 CA
View on
Amazon

Full Service Kit

Brand Part Number Markets Notes Buy
WALKER PRODUCTS Fits: all 2006 Terraza engines 21191118
🇺🇸 US 🇨🇦 CA
Full Service Kit
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 2006 Terraza engines 2134514
🇺🇸 US 🇨🇦 CA
Gold
View on
Amazon
GM GENUINE Popular Fits: all 2006 Terraza engines 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
View on
Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 2006 Terraza engines TX89
🇺🇸 US 🇨🇦 CA
View on
Amazon
BECK/ARNLEY Fits: all 2006 Terraza engines 1580733
🇺🇸 US 🇨🇦 CA
View on
Amazon
BOSCH Fits: all 2006 Terraza engines 0280130014
🇺🇸 US 🇨🇦 CA
Engine Coolant Temperature Sensor
View on
Amazon
DELPHI Fits: all 2006 Terraza engines TS10076
🇺🇸 US 🇨🇦 CA
View on
Amazon
FACET Fits: all 2006 Terraza engines 73098
🇺🇸 US 🇨🇦 CA
View on
Amazon
FOUR SEASONS Fits: all 2006 Terraza engines 36419
🇺🇸 US 🇨🇦 CA
View on
Amazon
HELLA Fits: all 2006 Terraza engines 009107271
🇺🇸 US 🇨🇦 CA
2-Pin ConnectorBolted
Fitment notes — HELLA 009107271
2-Pin ConnectorBoltedwith Seal
View on
Amazon
NTK Fits: all 2006 Terraza engines EF0075
🇺🇸 US 🇨🇦 CA
Connector Shape: Oblong
View on
Amazon
WALKER PRODUCTS Fits: all 2006 Terraza engines 2111118
🇺🇸 US 🇨🇦 CA
Sensor Only
View on
Amazon
WELLS Fits: all 2006 Terraza engines 5S1475
🇺🇸 US 🇨🇦 CA
Terminal Quantity: 2Terminal Type: Blade
Fitment notes — WELLS 5S1475
Terminal Quantity: 2Terminal Type: BladeWiring Harness Included: No
View on
Amazon

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

Heavy Duty

Brand Part Number Markets Notes Buy
MOTORAD Fits: 3.5L V6 5267195
🇺🇸 US 🇨🇦 CA
Ultra StatIncludes seal
Fitment notes — MOTORAD 5267195
Ultra StatIncludes seal
195 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: 3.5L V6 5166KTUS
🇺🇸 US 🇨🇦 CA
Includes housing, Ultra Stat thermostat and sealKit
Fitment notes — MOTORAD 5166KTUS
Includes housing, Ultra Stat thermostat and sealKitUltra Stat
195 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: 3.9L V6 5511185
🇺🇸 US 🇨🇦 CA
Ultra StatIncludes seal
Fitment notes — MOTORAD 5511185
Ultra StatIncludes seal
185 Degrees FOE Specified Temperature
View on
Amazon

Performance

Brand Part Number Markets Notes Buy
MOTORAD Fits: 3.5L V6 2067180
🇺🇸 US 🇨🇦 CA
High FlowIncludes seal
Fitment notes — MOTORAD 2067180
High FlowIncludes seal
180 Degrees FAlternate Temperature Option
View on
Amazon
MOTORAD Fits: 3.5L V6 2067195
🇺🇸 US 🇨🇦 CA
High FlowIncludes seal
Fitment notes — MOTORAD 2067195
High FlowIncludes seal
195 Degrees FOE Specified Temperature
View on
Amazon

Premium

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: 3.9L V6 7511185
🇺🇸 US 🇨🇦 CA
Fail-SafeIncludes seal
Fitment notes — MOTORAD 7511185
Fail-SafeIncludes seal
185 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: 3.5L V6 7267195
🇺🇸 US 🇨🇦 CA
Fail-SafeIncludes seal
Fitment notes — MOTORAD 7267195
Fail-SafeIncludes seal
195 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: 3.5L V6 7267180
🇺🇸 US 🇨🇦 CA
Fail-SafeIncludes seal
Fitment notes — MOTORAD 7267180
Fail-SafeIncludes seal
180 Degrees FAlternate Temperature Option
View on
Amazon
MOTORAD Fits: 3.5L V6 5166KTFS
🇺🇸 US 🇨🇦 CA
Fail-SafeIncludes Housing, and Seal
Fitment notes — MOTORAD 5166KTFS
Fail-SafeIncludes Housing, and SealKit
195 Degrees FOE Specified Temperature
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GATES Popular Fits: 3.5L V6 33329
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 33329
OE Type
195 DegreeOE TemperatureSeal Included
View on
Amazon
GATES Popular Fits: 3.9L V6 34054
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 34054
OE Type
185 DegreeOE TemperatureSeal Included
View on
Amazon
GM GENUINE Popular Fits: 3.5L V6 131124
🇺🇸 US 🇨🇦 CA
OE Temperature
Fitment notes — GM GENUINE 131124
OE Temperature
195 Degree, with Seal
View on
Amazon
MOTORAD Popular Fits: 3.5L V6 267180
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 267180
Includes Seal
180 Degrees FAlternate Temperature Option
View on
Amazon
MOTORAD Popular Fits: 3.5L V6 267195
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 267195
Includes Seal
195 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Popular Fits: 3.5L V6 267160
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 267160
Includes Seal
160 Degrees FAlternate Temperature Option
View on
Amazon
MOTORAD Popular Fits: 3.9L V6 511185
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 511185
Includes Seal
185 Degrees FOE Specified Temperature
View on
Amazon
AISIN Fits: 3.5L V6 THRGM0004
🇺🇸 US 🇨🇦 CA
Includes Thermostat Seal
Fitment notes — AISIN THRGM0004
Includes Thermostat Seal
91°
View on
Amazon
CALORSTAT Fits: all 2006 Terraza engines TH647082J
🇺🇸 US 🇨🇦 CA
PerformanceIncludes 1 Rubber Gasket
Fitment notes — CALORSTAT TH647082J
PerformanceIncludes 1 Rubber Gasket
180.0 Degreeswith Narrower Main Valve
View on
Amazon
CALORSTAT Fits: all 2006 Terraza engines TH647091J
🇺🇸 US 🇨🇦 CA
Includes 1 Rubber Gasket
Fitment notes — CALORSTAT TH647091J
Includes 1 Rubber Gasket
196.0 Degreeswith Narrower Main Valve
View on
Amazon
CALORSTAT Fits: all 2006 Terraza engines TH647071J
🇺🇸 US 🇨🇦 CA
PerformanceIncludes 1 Rubber Gasket
Fitment notes — CALORSTAT TH647071J
PerformanceIncludes 1 Rubber Gasket
160.0 Degreeswith Narrower Main Valve
View on
Amazon
CALORSTAT Fits: 3.5L V6 TH647091
🇺🇸 US 🇨🇦 CA
with by-pass valveHeight: 2.12 In
Fitment notes — CALORSTAT TH647091
with by-pass valveHeight: 2.12 InOpening Temp: 91 C / 196 Fwith OE No. 24507563
View on
Amazon
CALORSTAT Fits: all 2006 Terraza engines THF647091J
🇺🇸 US 🇨🇦 CA
High EfficiencyLarger Main Valve Seat
Fitment notes — CALORSTAT THF647091J
High EfficiencyLarger Main Valve SeatIncludes 1 Rubber Gasket
196.0 Degreeswith Narrower Main Valve
View on
Amazon
CALORSTAT Fits: 3.9L V6 TH750785J
🇺🇸 US 🇨🇦 CA
Includes 1 Rubber Gasket
Fitment notes — CALORSTAT TH750785J
Includes 1 Rubber Gasket
185.0 Degreeswith Narrower Main Valve
View on
Amazon
FOUR SEASONS Fits: 3.9L V6 86133
🇺🇸 US 🇨🇦 CA
Includes Housing
View on
Amazon
GM GENUINE Fits: 3.5L V6 131204
🇺🇸 US 🇨🇦 CA
195 Degree, with Seal
View on
Amazon
MAHLE / CLEVITE Fits: 3.5L V6 TX34590D
🇺🇸 US 🇨🇦 CA
Includes Gasket or Seal
Fitment notes — MAHLE / CLEVITE TX34590D
Includes Gasket or Seal
Start to Open Temperature: 90C
View on
Amazon
MOTORAD Fits: 3.5L V6 5166KT
🇺🇸 US 🇨🇦 CA
Includes Housing, Thermostat and SealKit
Fitment notes — MOTORAD 5166KT
Includes Housing, Thermostat and SealKit
195 Degrees FOE Specified Temperature
View on
Amazon
MOTORAD Fits: 3.9L V6 511195
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 511195
Includes Seal
195 Degrees FHigher Alternate Temperature Replacement
View on
Amazon
MOTORAD Fits: 3.9L V6 6133KT
🇺🇸 US 🇨🇦 CA
Includes Inlet, Thermostat and SealKit
Fitment notes — MOTORAD 6133KT
Includes Inlet, Thermostat and SealKit
185 Degrees FOE Specified Temperature
View on
Amazon

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
FEL-PRO Popular Fits: all 2006 Terraza engines 35614
🇺🇸 US 🇨🇦 CA
Water Outlet Seal
View on
Amazon
FEL-PRO Popular Fits: 3.9L V6 35815
🇺🇸 US 🇨🇦 CA
LeftCrossover Pipe Seal
View on
Amazon
GATES Popular Fits: all 2006 Terraza engines 33611
🇺🇸 US 🇨🇦 CA
Thermostat Seal - 1 23/32" x 1 59/64" x 1/8" (Grooved, Chamfered I.D.)
Fitment notes — GATES 33611
Thermostat Seal - 1 23/32" x 1 59/64" x 1/8" (Grooved, Chamfered I.D.)
Thermostat Seal
View on
Amazon
APEX Fits: all 2006 Terraza engines AWO2041
🇺🇸 US 🇨🇦 CA
Water Outlet Seal
View on
Amazon
APEX Fits: 3.9L V6 AWO2241
🇺🇸 US 🇨🇦 CA
LeftCrossover Pipe Seal
View on
Amazon
APEX Fits: 3.9L V6 AWO2242
🇺🇸 US 🇨🇦 CA
RightCrossover Pipe Seal
View on
Amazon
FEL-PRO Fits: 3.9L V6 35816
🇺🇸 US 🇨🇦 CA
RightCrossover Pipe Seal
View on
Amazon
GM GENUINE Fits: all 2006 Terraza engines 10226107
🇺🇸 US 🇨🇦 CA
with Lip, 46.80MM ODThermostat Seal
Fitment notes — GM GENUINE 10226107
with Lip, 46.80MM ODThermostat Seal
FWDwith Lip, 46.80MM ODThermostat Seal
View on
Amazon
GM GENUINE Fits: 3.9L V6 2512062
🇺🇸 US 🇨🇦 CA
LeftFWD
Fitment notes — GM GENUINE 2512062
LeftFWDCrossover Pipe Seal
View on
Amazon
GM GENUINE Fits: 3.9L V6 2512058
🇺🇸 US 🇨🇦 CA
RightFWD
Fitment notes — GM GENUINE 2512058
RightFWDwith 4 Bolt DesignCrossover Pipe Seal
View on
Amazon
MAHLE / CLEVITE Fits: all 2006 Terraza engines C31301
🇺🇸 US 🇨🇦 CA
Molded Rubber
Fitment notes — MAHLE / CLEVITE C31301
Molded Rubber
Thermostat Seal
View on
Amazon
VICTOR REINZ Fits: all 2006 Terraza engines 711355100
🇺🇸 US 🇨🇦 CA
Thermostat Seal
View on
Amazon
VICTOR REINZ Fits: 3.9L V6 711358300
🇺🇸 US 🇨🇦 CA
LeftBypass Housing To Cylinder Head
Fitment notes — VICTOR REINZ 711358300
LeftBypass Housing To Cylinder HeadWater Outlet Seal
View on
Amazon
VICTOR REINZ Fits: 3.9L V6 711358400
🇺🇸 US 🇨🇦 CA
RightBypass Housing To Cylinder Head
Fitment notes — VICTOR REINZ 711358400
RightBypass Housing To Cylinder HeadWater Outlet Seal
View on
Amazon

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
DORMAN Fits: 3.5L V6 9022004
🇺🇸 US 🇨🇦 CA
Thermostat Housing
View on
Amazon
FAMOUS BRAND Fits: 3.5L V6 85166
🇺🇸 US 🇨🇦 CA
Water Outlet HousingOutlet
View on
Amazon
GPD Fits: 3.5L V6 8241459
🇺🇸 US 🇨🇦 CA
Water Outlet
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
MOTORAD Popular Fits: 3.5L V6 CH5166
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD CH5166
Includes Seal
Water Outlet
View on
Amazon
FOUR SEASONS Fits: 3.5L V6 85166
🇺🇸 US 🇨🇦 CA
Aluminum
Fitment notes — FOUR SEASONS 85166
Aluminum
Water Outlet
View on
Amazon
Brand Part Number Markets Notes Buy
MOTORAD Fits: 3.9L V6 CH6133
🇺🇸 US 🇨🇦 CA
Includes Water Inlet
Fitment notes — MOTORAD CH6133
Includes Water Inlet
Fits:
Thermostat Housingor Water Outlet
View on
Amazon

This table covers the housings and outlets the thermostat sits in.

Water Pump

Economy

Brand Part Number Markets Notes Buy
SKP Popular Fits: 3.9L V6 SK1309660
🇺🇸 US 🇨🇦 CA
View on
Amazon
US MOTOR WORKS Popular Fits: 3.9L V6 US6020
🇺🇸 US 🇨🇦 CA
View on
Amazon
FVP Fits: 3.5L V6 US5033
🇺🇸 US 🇨🇦 CA
View on
Amazon
FVP Fits: 3.9L V6 US6020
🇺🇸 US 🇨🇦 CA
View on
Amazon
SKP Fits: 3.5L V6 SK1301480
🇺🇸 US 🇨🇦 CA
View on
Amazon
US MOTOR WORKS Fits: 3.5L V6 US5033
🇺🇸 US 🇨🇦 CA
View on
Amazon
WJB / INMOTION PARTS Fits: 3.5L V6 WU5033
🇺🇸 US 🇨🇦 CA
View on
Amazon
WJB / INMOTION PARTS Fits: 3.9L V6 WU6020
🇺🇸 US 🇨🇦 CA
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 3.5L V6 252721
🇺🇸 US 🇨🇦 CA
GoldDoes Not Include Mount Bolts
View on
Amazon
GATES Popular Fits: 3.5L V6 41020
🇺🇸 US 🇨🇦 CA
View on
Amazon
ACDELCO Fits: 3.9L V6 252897
🇺🇸 US 🇨🇦 CA
GoldDoes Not Include Mount Bolts
Fitment notes — ACDELCO 252897
GoldDoes Not Include Mount BoltsIncludes Gasket
View on
Amazon
AISIN Fits: 3.9L V6 WPGM604V
🇺🇸 US 🇨🇦 CA
View on
Amazon
DAYCO Fits: 3.5L V6 DP960
🇺🇸 US 🇨🇦 CA
Serpentine Belt Driven
View on
Amazon
DAYCO Fits: 3.9L V6 DP981
🇺🇸 US 🇨🇦 CA
Serpentine Belt Driven
View on
Amazon
GATES Fits: 3.9L V6 42586
🇺🇸 US 🇨🇦 CA
View on
Amazon
GM GENUINE Fits: 3.5L V6 251671
🇺🇸 US 🇨🇦 CA
with Gasket
View on
Amazon
GMB Fits: 3.5L V6 1301480
🇺🇸 US 🇨🇦 CA
View on
Amazon
GMB Fits: 3.9L V6 1309660
🇺🇸 US 🇨🇦 CA
View on
Amazon
GMB Fits: 3.9L V6 1309660M
🇺🇸 US 🇨🇦 CA
Metal Gasket
View on
Amazon

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
FEL-PRO Popular Fits: 3.5L V6 35403
🇺🇸 US 🇨🇦 CA
To Block
View on
Amazon
FEL-PRO Popular Fits: 3.9L V6 35814
🇺🇸 US 🇨🇦 CA
To Block
View on
Amazon
GM GENUINE Popular Fits: 3.9L V6 2512042
🇺🇸 US 🇨🇦 CA
FWD
View on
Amazon
AJUSA Fits: 3.9L V6 01867800
🇺🇸 US 🇨🇦 CA
View on
Amazon
APEX Fits: 3.5L V6 AWP3010
🇺🇸 US 🇨🇦 CA
View on
Amazon
APEX Fits: 3.9L V6 AWP3198
🇺🇸 US 🇨🇦 CA
View on
Amazon
GM GENUINE Fits: 3.5L V6 2512018
🇺🇸 US 🇨🇦 CA
(OEM Design)
View on
Amazon
MAHLE / CLEVITE Fits: 3.5L V6 K30946
🇺🇸 US 🇨🇦 CA
Paper
View on
Amazon
MAHLE / CLEVITE Fits: 3.9L V6 K32164
🇺🇸 US 🇨🇦 CA
Molded Rubber
View on
Amazon
VICTOR REINZ Fits: 3.5L V6 711467600
🇺🇸 US 🇨🇦 CA
View on
Amazon
VICTOR REINZ Fits: 3.9L V6 711469700
🇺🇸 US 🇨🇦 CA
View on
Amazon

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 Pulley

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.5L V6 300933
🇺🇸 US 🇨🇦 CA
View on
Amazon
GM GENUINE Fits: 3.9L V6 12577763
🇺🇸 US 🇨🇦 CA
FWD
View on
Amazon

This table covers the Water Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.

Water Pump Stud Kit

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.5L V6 902806
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Water Pump Stud kits.

Buying Cooling System Parts for a 2006 Buick Terraza

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 Radiator .

Frequently Asked Questions

How many cooling system parts fit the 2006 Buick Terraza?

Our catalog currently lists 211 cooling system parts for the 2006 Buick Terraza across 23 subcategories and 46 brands, covering both the 3.5L V6 and the 3.9L V6. Each part is matched to the engine(s) it fits.

Do cooling system parts differ between 2006 Buick Terraza engines?

Some do. 56 parts fit every engine; the other 155 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 2006 Buick Terraza?

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 2006 Buick Terraza 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 2006 Buick Terraza?

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 2006 Buick Terraza

Cooling System Parts for Other Buick Terraza Years

Switch vehicle or jump to a subcategory

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.