2011 Buick Regal 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

16 Coolant / Antifreeze parts are listed for the 2011 Buick Regal, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2011 Regal.

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 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.

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

This group shows a single part: GM GENUINE 13267637.

This table covers the Coolant Bleed Hose fittings. Read more

One part is listed for the 2011 Buick Regal — GM GENUINE 12589732.

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

7 Coolant Hose / Pipe parts are listed for the 2011 Buick Regal, from GM GENUINE, GATES, ACDELCO and 1 other brand. GATES 28475 carries the "Popular" badge.

Part numbers include GATES 28475, ACDELCO 16199M and CONTINENTAL 63912, among others listed above.

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. Read more

5 Coolant Hose / Pipe Seal parts for the 2011 Buick Regal come from 5 brands — FEL-PRO, AJUSA, APEX and 2 other brands. The "Popular" part is FEL-PRO 36068.

This group includes FEL-PRO 36068, AJUSA 16063000 and APEX AWO2348 and the remaining parts above.

This table covers the Coolant Hose Connector flanges. Read more

One part is listed for the 2011 Buick Regal — GM GENUINE 12607291.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

7 Coolant Reservoir parts for the 2011 Buick Regal come from 6 brands — TECHPRO, DORMAN, AUTOTECNICA and 3 other brands. The "Popular" part is DORMAN 603385.

Part numbers include DORMAN 603385, AUTOTECNICA GM0713819 and GM GENUINE 22950436, among others listed 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

6 Coolant Reservoir Cap parts for the 2011 Buick Regal come from 5 brands — DORMAN, SKP, AUTOTECNICA and 2 other brands. The "Popular" part is DORMAN 54218.

Listed part numbers: DORMAN 54218, SKP SK54218 and AUTOTECNICA GM0714619, plus the other parts above.

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

One part is listed for the 2011 Buick Regal — GM GENUINE 13284504.

This table covers the Cooling Fan control modules. Read more

2 Cooling Fan Control Module parts for the 2011 Buick Regal come from US MOTOR WORKS.

This group includes US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

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

4 Cooling System Tester Adapter parts are listed for the 2011 Buick Regal, from GATES and MOTORAD.

Listed part numbers: GATES 31431, GATES 31391 and MOTORAD 3128, plus the other parts above.

This table covers the Hose clamps. Read more

GM GENUINE supplies the 3 Hose Clamp parts for the 2011 Buick Regal.

Listed part numbers: GM GENUINE 90572594, GM GENUINE 13162312 and GM GENUINE 11611503.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

One part is listed for the 2011 Buick Regal — OSC 13329.

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

8 Radiator parts are listed for the 2011 Buick Regal, from KOYORAD, TYC, AGILITY and 5 other brands. KOYORAD A13146 carries the "Popular" badge.

Part numbers include KOYORAD A13146, TYC 13146 and AGILITY 8013146, among others listed above.

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

3 Radiator Cap parts are listed for the 2011 Buick Regal, from ACDELCO, GATES and PROFESSIONAL PARTS SWEDEN.

Listed part numbers: ACDELCO RC124, GATES 31569 and PROFESSIONAL PARTS SWEDEN 21342353.

This table covers the petcocks used to drain the radiator. Read more

This group shows a single part: DORMAN 61136.

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

9 Radiator Fan Assembly parts for the 2011 Buick Regal come from 8 brands — GM GENUINE, SKP, GPD and 5 other brands. The "Popular" part is SKP SK621441.

The Economy section: 3 options from SKP, GPD and TECHPRO. SKP SK621441 is listed in this group.

Standard Replacement: 6 parts, from GM GENUINE, TYC, FOUR SEASONS and 2 other brands. A representative part number is TYC 622790.

Listed part numbers: SKP SK621441, GPD 2811869 and TECHPRO GM3115238, plus the other 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

VEMO supplies both parts for the 2011 Buick Regal.

This group includes VEMO V51010034 and VEMO V51010035.

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

4 Radiator Hose parts for the 2011 Buick Regal come from 3 brands — CONTINENTAL, GATES and GM GENUINE.

This group includes CONTINENTAL 66646, CONTINENTAL 66645 and GATES 23732 and the remaining parts above.

This table covers the Radiator insulators. Read more

This group shows a single part: GM GENUINE 13306606.

This table covers the Radiator mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

This group shows a single part: GM GENUINE 52493483.

This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

3 Radiator Mount Bushing parts for the 2011 Buick Regal come from 3 brands — DORMAN, SKP and ULTRA-POWER.

This group includes DORMAN 926280 and SKP SK926280 and the remaining parts above.

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

18 Temperature Sender / Sensor parts are listed for the 2011 Buick Regal, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, SKP and 13 other brands. SKP SKTX89 carries the "Popular" badge.

Economy: 5 parts, from SKP, GPD, HOLSTEIN and 2 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.

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

13 Thermostat parts for the 2011 Buick Regal come from 8 brands — MOTORAD, GATES, VEMO and 5 other brands. The "Popular" part is GATES 33943.

The Economy section: 1 option from VEMO. VEMO V40990024 is listed in this group.

In the Heavy Duty grade, MOTORAD supplies 1 part: rated for severe service. A representative part number is MOTORAD 5461180.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7461180.

Standard Replacement: 10 parts, from MOTORAD, GATES, GM GENUINE and 4 other brands. A representative part number is GATES 33943.

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

12 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2011 Buick Regal, from FEL-PRO, APEX, ELRING and 6 other brands. FEL-PRO 35346 carries the "Popular" badge.

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

9 Thermostat Housing / Water Outlet parts for the 2011 Buick Regal come from 7 brands — GATES, MOTORAD, SKP and 4 other brands. The "Popular" part is SKP SK9022094.

The Economy section: 2 options from SKP and DORMAN. SKP SK9022094 is listed in this group.

Standard Replacement: 7 parts, from GATES, MOTORAD, GM GENUINE and 2 other brands. A representative part number is GM GENUINE 12597172.

This group includes SKP SK9022094, DORMAN 9022094 and GM GENUINE 12597172 and the remaining parts above.

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. Read more

One part is listed for the 2011 Buick Regal — GM GENUINE 90537471.

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

18 Water Pump parts for the 2011 Buick Regal come from 15 brands — FVP, US MOTOR WORKS, GMB and 12 other brands. The "Popular" part is SKP SK1307350.

The Economy section: 7 options from FVP, US MOTOR WORKS, SKP and 2 other brands. SKP SK1307350 is listed in this group.

Standard Replacement: 11 parts, from GMB, GATES, GM GENUINE and 7 other brands. A representative part number is GATES 43529.

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

16 Water Pump Gasket parts are listed for the 2011 Buick Regal, from FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 3 other brands. FEL-PRO ES71282 carries the "Popular" badge.

This table covers the Water Pump gears. Read more

5 Water Pump Gear parts are listed for the 2011 Buick Regal, from MELLING, CLOYES, FVP and 2 other brands. MELLING S911 carries the "Popular" badge.

This group includes MELLING S911 and the remaining parts above.

This table covers the Water Pump housings. Read more

One part is listed for the 2011 Buick Regal — GM GENUINE 90537266.