2005 Buick Terraza Cooling System Parts

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. Read more

17 Coolant / Antifreeze parts for the 2005 Buick Terraza come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE, PRESTONE, ACDELCO and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

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

One part is listed for the 2005 Buick Terraza — DORMAN 902112.

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

5 Coolant Hose / Pipe parts for the 2005 Buick Terraza come from 5 brands — ACDELCO, CONTINENTAL, DAYCO and 2 other brands. The "Popular" part is ACDELCO 14156S.

This group includes ACDELCO 14156S, CONTINENTAL 63121 and DAYCO 71692 and the remaining parts above.

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. Read more

One part is listed for the 2005 Buick Terraza — GATES 31312.

This table covers the Coolant Reservoir retainers and clips. Read more

This group shows a single part: DORMAN 963022.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 2005 Buick Terraza.

Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

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

3 Cooling System Tester Adapter parts for the 2005 Buick Terraza come from 3 brands — ACDELCO, GATES and MOTORAD.

Part numbers include ACDELCO 12A01, GATES 31413 and MOTORAD 3003.

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. Read more

12 Radiator parts for the 2005 Buick Terraza come from 11 brands — TYC, FAMOUS BRAND, CSF and 8 other brands. The "Popular" part is CSF 3448.

The Economy section: 1 option from FAMOUS BRAND. FAMOUS BRAND 432351 is listed in this group.

Standard Replacement: 11 parts, from TYC, CSF, KOYORAD and 7 other brands. A representative part number is CSF 3448.

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. Read more

7 Radiator Cap parts for the 2005 Buick Terraza come from 5 brands — MOTORAD, GATES, ACDELCO and 2 other brands. The "Popular" part is MOTORAD ST16V.

In the Locking Replacement grade, MOTORAD and GATES supply 2 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST16V.

Standard Replacement: 5 parts, from GATES, ACDELCO, CSF and 2 other brands. A representative part number is GATES 31523.

This group includes MOTORAD ST16V, GATES 31516 and GATES 31523 and the remaining parts above.

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

9 Radiator Fan Assembly parts are listed for the 2005 Buick Terraza, from FOUR SEASONS, TYC, DORMAN and 4 other brands. DORMAN 621382 carries the "Popular" badge.

Economy: 3 parts, from DORMAN, GPD and ULTRA-POWER. A representative part number is DORMAN 621382.

The Standard Replacement section: 6 options from FOUR SEASONS, TYC, AGILITY and 1 other brand. FOUR SEASONS 76298 is listed in this group.

This group includes DORMAN 621382, GPD 2811605 and ULTRA-POWER 620976 and the remaining parts above.

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. Read more

2 Radiator Fan Motor parts for the 2005 Buick Terraza come from 2 brands — ACDELCO and GM GENUINE.

This group includes ACDELCO 1581058 and GM GENUINE 1581060.

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. Read more

7 Radiator Hose parts are listed for the 2005 Buick Terraza, from DAYCO, ACDELCO, GATES and 1 other brand. DAYCO 72039 carries the "Popular" badge.

Part numbers include DAYCO 72039, DAYCO 71850 and ACDELCO 22556M, among others listed above.

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

DORMAN supplies both parts for the 2005 Buick Terraza.

This group includes DORMAN 700365 and DORMAN 963058.

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. Read more

19 Temperature Sender / Sensor parts for the 2005 Buick Terraza come from 17 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, SKP and 14 other brands. The "Popular" part is SKP SKTX89.

The Economy section: 6 options from SKP, DORMAN, GPD and 3 other brands. SKP SKTX89 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191118 is listed in this group.

Standard Replacement: 12 parts, from ACDELCO, GM GENUINE, STANDARD MOTOR PRODUCTS and 9 other brands. A representative part number is ACDELCO 2134514.

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. Read more

21 Thermostat parts are listed for the 2005 Buick Terraza, from MOTORAD, CALORSTAT, GM GENUINE and 3 other brands. GATES 33329 carries the "Popular" badge.

The Heavy Duty section: 2 options from MOTORAD. MOTORAD 5267195 is listed in this group.

In the Performance grade, MOTORAD supplies 2 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2067180.

The Premium section: 3 options from MOTORAD. MOTORAD 7267195 is listed in this group.

The Standard Replacement section: 14 options from CALORSTAT, MOTORAD, GM GENUINE and 3 other brands. GATES 33329 is listed in this group.

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. Read more

6 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2005 Buick Terraza come from 6 brands — FEL-PRO, GATES, APEX and 3 other brands. The "Popular" part is FEL-PRO 35614.

This group includes FEL-PRO 35614, GATES 33611 and APEX AWO2041 and the remaining parts above.

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

5 Thermostat Housing / Water Outlet parts are listed for the 2005 Buick Terraza, from DORMAN, FAMOUS BRAND, GPD and 2 other brands. MOTORAD CH5166 carries the "Popular" badge.

Economy: 3 parts, from DORMAN, FAMOUS BRAND and GPD. A representative part number is DORMAN 9022004.

The Standard Replacement section: 2 options from MOTORAD and FOUR SEASONS. MOTORAD CH5166 is listed in this group.

Part numbers include MOTORAD CH5166, DORMAN 9022004 and FAMOUS BRAND 85166, among others listed above.

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. Read more

9 Water Pump parts are listed for the 2005 Buick Terraza, from FVP, SKP, US MOTOR WORKS and 6 other brands. ACDELCO 252721 carries the "Popular" badge.

Economy: 4 parts, from FVP, SKP, US MOTOR WORKS and 1 other brand. A representative part number is FVP US5033.

The Standard Replacement section: 5 options from ACDELCO, GATES, DAYCO and 2 other brands. ACDELCO 252721 is listed in this group.

Listed part numbers: ACDELCO 252721, FVP US5033 and SKP SK1301480, plus the other parts above.

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. Read more

5 Water Pump Gasket parts for the 2005 Buick Terraza come from 5 brands — FEL-PRO, APEX, GM GENUINE and 2 other brands. The "Popular" part is FEL-PRO 35403.

Part numbers include FEL-PRO 35403, APEX AWP3010 and GM GENUINE 2512018, among others listed above.

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. Read more

This group shows a single part: DORMAN 300933.

This table covers the Water Pump Stud kits. Read more

One part is listed for the 2005 Buick Terraza — DORMAN 902806.