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.
The 2006 Buick Terraza was sold with both the 3.5L V6 and the 3.9L V6. 56 parts fit every engine; the other 155 are engine-specific. Each part shows which engine(s) it fits.
46 brands supply cooling system parts for the 2006 Buick Terraza, led by MOTORAD (25 parts), GATES (18 parts) and ACDELCO (16 parts), plus 43 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2006 Buick Terraza. 43 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and ACDELCO 14156S (Coolant Hose / Pipe). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2006 Terraza engines | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | 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 | View on Amazon |
| PEAK Fits: all 2006 Terraza engines | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE Fits: all 2006 Terraza engines | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | 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 | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2006 Terraza engines | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 2006 Terraza engines | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 2006 Terraza engines | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE Fits: all 2006 Terraza engines | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | 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 | View on Amazon |
| VALVOLINE Popular Fits: all 2006 Terraza engines | ZXEL1 | 🇺🇸 US 🇨🇦 CA | Dex-Cool Orange1 Gallon | View on Amazon |
| AISIN Fits: all 2006 Terraza engines | ACD005 | 🇺🇸 US 🇨🇦 CA | OrangeOAT | View on Amazon |
| FVP Fits: all 2006 Terraza engines | DEX5050GAL | 🇺🇸 US 🇨🇦 CA | Extended Life Blend1 Gallon | View on Amazon |
| PRESTONE Fits: all 2006 Terraza engines | AF3400 | 🇺🇸 US 🇨🇦 CA | Prime OrangeOrange Compatible | View on Amazon |
| PRESTONE Fits: all 2006 Terraza engines | AF850 | 🇺🇸 US 🇨🇦 CA | DEX-Cool Extended Life1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2006 Terraza engines | 888374 | 🇺🇸 US 🇨🇦 CA | American Vehicle Orange1 Gallon | 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.
17 Coolant / Antifreeze parts are listed for the 2006 Buick Terraza, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2006 Terraza.
The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.
In the Economy grade, FVP, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.
The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.
The Premium section lists 4 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.
The Standard Replacement section lists 7 options from VALVOLINE, PRESTONE, ACDELCO and 2 other brands — built to original-equipment specification. ACDELCO 105027 is listed in this group.
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.
This group shows a single part: DORMAN 902112.
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.
4 Coolant Filler Neck parts for the 2006 Buick Terraza come from 4 brands — DORMAN, FOUR SEASONS, MOTORAD and 1 other brand.
Part numbers include DORMAN 902696, FOUR SEASONS 86130 and MOTORAD CH2696, among others listed above.
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 | 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.
10 Coolant Hose / Pipe parts are listed for the 2006 Buick Terraza, from GATES, ACDELCO, GM GENUINE and 2 other brands. ACDELCO 14156S carries the "Popular" badge.
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 | 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.
This group shows a single part: GM GENUINE 24504709.
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 | View on Amazon |
| MAHLE / CLEVITE Fits: 3.9L V6 | C32204 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | 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.
3 Coolant Hose Connector / Flange Seal parts for the 2006 Buick Terraza come from 2 brands — MAHLE / CLEVITE and AJUSA.
This group includes AJUSA 01867100, MAHLE / CLEVITE C32203 and MAHLE / CLEVITE C32204.
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.
One part is listed for the 2006 Buick Terraza — DORMAN 963022.
Cooling Fan Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| US MOTOR WORKS Fits: all 2006 Terraza engines | 16749 | 🇺🇸 US 🇨🇦 CA | Econo Control | 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.
3 Cooling Fan Control Module parts for the 2006 Buick Terraza come from US MOTOR WORKS. Every part fits both the 3.5L V6 and the 3.9L V6.
This group includes US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.5L V6 | 12A01 | 🇺🇸 US 🇨🇦 CA | ProfessionalIncluded In Tester | View on Amazon |
| GATES Fits: 3.5L V6 | 31413 | 🇺🇸 US 🇨🇦 CA | Cooling System PressureRadiator Cap | 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 | View on Amazon |
| MOTORAD Fits: 3.9L V6 | 3128 | 🇺🇸 US 🇨🇦 CA | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD Fits: 3.9L V6 | 3127 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
7 Cooling System Tester Adapter parts are listed for the 2006 Buick Terraza, from GATES, MOTORAD and ACDELCO.
Part numbers include ACDELCO 12A01, GATES 31413 and GATES 31431, among others listed above.
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 | 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.
20 Radiator parts are listed for the 2006 Buick Terraza, from TYC, KOYORAD, AGILITY and 8 other brands. KOYORAD A2881 carries the "Popular" badge.
Economy: 1 part, from GPD. A representative part number is GPD 2562C.
The Standard Replacement section: 8 options from KOYORAD, TYC, AGILITY and 5 other brands. KOYORAD A2881 is listed in this group.
11 ungrouped parts are not assigned to a grade, with the same engine-level match.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular Fits: 3.5L V6 | ST16V | 🇺🇸 US 🇨🇦 CA | Safety Lever | 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 | 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 | 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 | View on Amazon |
| ACDELCO Fits: 3.9L V6 | 12R04 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| GATES Fits: 3.9L V6 | 31566 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| MOTORAD Fits: 3.9L V6 | T61 | 🇺🇸 US 🇨🇦 CA | Standard | 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.
11 Radiator Cap parts are listed for the 2006 Buick Terraza, from MOTORAD, GATES, ACDELCO and 2 other brands. MOTORAD ST16V carries the "Popular" badge.
The Locking Replacement section lists 2 options from MOTORAD and GATES — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST16V is listed in this group.
The Standard Replacement section: 5 options from GATES, ACDELCO, CSF and 2 other brands. GATES 31523 is listed in this group.
4 ungrouped parts are not assigned to a grade, with the same engine-level match.
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.
11 Radiator Fan Assembly parts for the 2006 Buick Terraza come from 7 brands — DORMAN, FOUR SEASONS, TYC and 4 other brands. The "Popular" part is DORMAN 621382. 3 parts fit every engine; the other 8 are engine-specific.
The Economy section: 4 options from DORMAN, GPD and ULTRA-POWER. DORMAN 621382 is listed in this group.
Standard Replacement: 7 parts, from FOUR SEASONS, TYC, VDO / CONTINENTAL and 1 other brand. A representative part number is FOUR SEASONS 76298.
Radiator Fan Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.5L V6 | 1581058 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE Fits: all 2006 Terraza engines | 1581060 | 🇺🇸 US 🇨🇦 CA | Fits RightRear Auxiliary A/C (C69), Heavy Duty Cooling (V08) | 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.
3 Radiator Fan Motor parts are listed for the 2006 Buick Terraza, from GM GENUINE and ACDELCO. 1 part fits every engine; the other 2 are engine-specific.
Listed part numbers: ACDELCO 1581058, GM GENUINE 1581060 and GM GENUINE 1581061.
Radiator Hose
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Fits: 3.9L V6 | 81031 | 🇺🇸 US 🇨🇦 CA | Flex Radiator Hose | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular Fits: 3.9L V6 | 71926 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Popular Fits: 3.9L V6 | 22090 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| ACDELCO Fits: 3.9L V6 | 20275S | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO Fits: 3.9L V6 | 26549X | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL Fits: 3.9L V6 | 62895 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL Fits: 3.9L V6 | 62894 | 🇺🇸 US 🇨🇦 CA | MoldedI.D. 1.250" | View on Amazon |
| DAYCO Fits: 3.9L V6 | 72401 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| GATES Fits: 3.9L V6 | 23140 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular Fits: 3.5L V6 | 72039 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| DAYCO Popular Fits: 3.5L V6 | 71850 | 🇺🇸 US 🇨🇦 CA | Curved | View on Amazon |
| ACDELCO Fits: 3.5L V6 | 22556M | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| ACDELCO Fits: 3.5L V6 | 22557M | 🇺🇸 US 🇨🇦 CA | Professional / GoldMolded | View on Amazon |
| CONTINENTAL Fits: 3.5L V6 | 62326 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES Fits: 3.5L V6 | 23078 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| GATES Fits: 3.5L V6 | 23079 | 🇺🇸 US 🇨🇦 CA | Molded | 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.
16 Radiator Hose parts for the 2006 Buick Terraza come from 4 brands — DAYCO, GATES, ACDELCO and 1 other brand. The "Popular" part is DAYCO 71926.
The Economy section: 1 option from DAYCO. DAYCO 81031 is listed in this group.
Standard Replacement: 8 parts, from DAYCO, GATES, ACDELCO and 1 other brand. A representative part number is DAYCO 71926.
7 further parts sit outside the graded sections, with the same engine-level match.
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 | View on Amazon |
| DORMAN Fits: all 2006 Terraza engines | 963058 | 🇺🇸 US 🇨🇦 CA | Outside Diameter: 0.71 InAir Box Clip | View on Amazon |
This table covers the Radiator Upper Air Baffle retainers and clips.
2 Radiator Upper Air Baffle Retainer / Clip parts for the 2006 Buick Terraza come from DORMAN. Every part fits both the 3.5L V6 and the 3.9L V6.
This group includes DORMAN 700365 and DORMAN 963058.
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 | 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 | 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 | 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.
19 Temperature Sender / Sensor parts are listed for the 2006 Buick Terraza, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, SKP and 14 other brands. SKP SKTX89 carries the "Popular" badge. 18 parts fit every engine; the other 1 is engine-specific.
Economy: 6 parts, from SKP, DORMAN, GPD and 3 other brands. A representative part number is SKP SKTX89.
In the Full Service Kit grade, WALKER PRODUCTS supplies 1 part: grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. A representative part number is WALKER PRODUCTS 21191118.
The Standard Replacement section: 12 options from ACDELCO, GM GENUINE, STANDARD MOTOR PRODUCTS and 9 other brands. ACDELCO 2134514 is listed in this group.
Thermostat
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 3.5L V6 | 5267195 | 🇺🇸 US 🇨🇦 CA | Ultra StatIncludes seal | View on Amazon |
| MOTORAD Fits: 3.5L V6 | 5166KTUS | 🇺🇸 US 🇨🇦 CA | Includes housing, Ultra Stat thermostat and sealKit | View on Amazon |
| MOTORAD Fits: 3.9L V6 | 5511185 | 🇺🇸 US 🇨🇦 CA | Ultra StatIncludes seal | View on Amazon |
Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 3.5L V6 | 2067180 | 🇺🇸 US 🇨🇦 CA | High FlowIncludes seal | View on Amazon |
| MOTORAD Fits: 3.5L V6 | 2067195 | 🇺🇸 US 🇨🇦 CA | High FlowIncludes seal | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular Fits: 3.9L V6 | 7511185 | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes seal | View on Amazon |
| MOTORAD Fits: 3.5L V6 | 7267195 | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes seal | View on Amazon |
| MOTORAD Fits: 3.5L V6 | 7267180 | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes seal | View on Amazon |
| MOTORAD Fits: 3.5L V6 | 5166KTFS | 🇺🇸 US 🇨🇦 CA | Fail-SafeIncludes Housing, and Seal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 3.5L V6 | 33329 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GATES Popular Fits: 3.9L V6 | 34054 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GM GENUINE Popular Fits: 3.5L V6 | 131124 | 🇺🇸 US 🇨🇦 CA | OE Temperature | View on Amazon |
| MOTORAD Popular Fits: 3.5L V6 | 267180 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MOTORAD Popular Fits: 3.5L V6 | 267195 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MOTORAD Popular Fits: 3.5L V6 | 267160 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MOTORAD Popular Fits: 3.9L V6 | 511185 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| AISIN Fits: 3.5L V6 | THRGM0004 | 🇺🇸 US 🇨🇦 CA | Includes Thermostat Seal | View on Amazon |
| CALORSTAT Fits: all 2006 Terraza engines | TH647082J | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 1 Rubber Gasket | View on Amazon |
| CALORSTAT Fits: all 2006 Terraza engines | TH647091J | 🇺🇸 US 🇨🇦 CA | Includes 1 Rubber Gasket | View on Amazon |
| CALORSTAT Fits: all 2006 Terraza engines | TH647071J | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 1 Rubber Gasket | View on Amazon |
| CALORSTAT Fits: 3.5L V6 | TH647091 | 🇺🇸 US 🇨🇦 CA | with by-pass valveHeight: 2.12 In | View on Amazon |
| CALORSTAT Fits: all 2006 Terraza engines | THF647091J | 🇺🇸 US 🇨🇦 CA | High EfficiencyLarger Main Valve Seat | View on Amazon |
| CALORSTAT Fits: 3.9L V6 | TH750785J | 🇺🇸 US 🇨🇦 CA | Includes 1 Rubber Gasket | 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 | View on Amazon |
| MOTORAD Fits: 3.5L V6 | 5166KT | 🇺🇸 US 🇨🇦 CA | Includes Housing, Thermostat and SealKit | View on Amazon |
| MOTORAD Fits: 3.9L V6 | 511195 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MOTORAD Fits: 3.9L V6 | 6133KT | 🇺🇸 US 🇨🇦 CA | Includes Inlet, Thermostat and SealKit | 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.
29 Thermostat parts for the 2006 Buick Terraza come from 7 brands — MOTORAD, CALORSTAT, GATES and 4 other brands. The "Popular" part is MOTORAD 7511185. Heavy Duty, Performance, Premium and Standard Replacement are all represented, and Standard Replacement alone accounts for 20 parts.
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.) | 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 | View on Amazon |
| GM GENUINE Fits: 3.9L V6 | 2512062 | 🇺🇸 US 🇨🇦 CA | LeftFWD | View on Amazon |
| GM GENUINE Fits: 3.9L V6 | 2512058 | 🇺🇸 US 🇨🇦 CA | RightFWD | View on Amazon |
| MAHLE / CLEVITE Fits: all 2006 Terraza engines | C31301 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | 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 | View on Amazon |
| VICTOR REINZ Fits: 3.9L V6 | 711358400 | 🇺🇸 US 🇨🇦 CA | RightBypass Housing To Cylinder Head | 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.
14 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2006 Buick Terraza, from FEL-PRO, APEX, GM GENUINE and 3 other brands. FEL-PRO 35614 carries the "Popular" badge. 6 parts fit every engine; the other 8 are engine-specific.
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 | View on Amazon |
| FOUR SEASONS Fits: 3.5L V6 | 85166 | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 3.9L V6 | CH6133 | 🇺🇸 US 🇨🇦 CA | Includes Water Inlet | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
6 Thermostat Housing / Water Outlet parts for the 2006 Buick Terraza come from 5 brands — MOTORAD, DORMAN, FAMOUS BRAND and 2 other brands. The "Popular" part is MOTORAD CH5166.
The Economy section: 3 options from DORMAN, FAMOUS BRAND and GPD. DORMAN 9022004 is listed in this group.
Standard Replacement: 2 parts, from MOTORAD and FOUR SEASONS. A representative part number is MOTORAD CH5166.
1 further part sits outside the graded sections, with the same engine-level match.
Listed part numbers: MOTORAD CH5166, DORMAN 9022004 and FAMOUS BRAND 85166, plus the other parts above.
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 | 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.
19 Water Pump parts for the 2006 Buick Terraza come from 10 brands — GMB, SKP, US MOTOR WORKS and 7 other brands. The "Popular" part is SKP SK1309660.
The Economy section: 8 options from SKP, US MOTOR WORKS, FVP and 1 other brand. SKP SK1309660 is listed in this group.
Standard Replacement: 11 parts, from GMB, ACDELCO, GATES and 3 other brands. A representative part number is ACDELCO 252721.
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.
11 Water Pump Gasket parts are listed for the 2006 Buick Terraza, from FEL-PRO, GM GENUINE, APEX and 3 other brands. FEL-PRO 35403 carries the "Popular" badge.
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.
2 Water Pump Pulley parts are listed for the 2006 Buick Terraza, from DORMAN and GM GENUINE.
Listed part numbers: DORMAN 300933 and GM GENUINE 12577763.
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.
This group shows a single part: DORMAN 902806.
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
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