2011 Buick Lucerne 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 for the 2011 Buick Lucerne come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 3.9L V6 and the 4.6L V8.

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

7 Coolant Hose / Pipe parts for the 2011 Buick Lucerne come from 5 brands — DAYCO, GATES, ACDELCO and 2 other brands.

Listed part numbers: ACDELCO 14507S, CONTINENTAL 63173 and DAYCO 80215, plus the other parts 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

One part is listed for the 2011 Buick Lucerne — MAHLE / CLEVITE C32205.

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. Read more

2 Coolant Hose Connector / Flange Seal parts are listed for the 2011 Buick Lucerne, from AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 01867100 and MAHLE / CLEVITE C32203.

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

2 Coolant Reservoir parts are listed for the 2011 Buick Lucerne, from DORMAN and GPD.

This group includes DORMAN 603237 and GPD 2411325.

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 are listed for the 2011 Buick Lucerne, from DORMAN, MOTORAD, ACDELCO and 1 other brand.

Listed part numbers: ACDELCO 12R04, CALORSTAT RC0147 and DORMAN 82724, plus the other parts above.

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

This group shows a single part: DORMAN 961363.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 2011 Buick Lucerne. All of them fit every engine offered in the 2011 Lucerne.

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

4 Cooling System Tester Adapter parts for the 2011 Buick Lucerne come from 2 brands — GATES and MOTORAD. Every part fits both the 3.9L V6 and the 4.6L V8.

Part numbers include GATES 31431, GATES 31391 and MOTORAD 3128, among others listed above.

This table covers the Hose clamps. Read more

2 Hose Clamp parts for the 2011 Buick Lucerne come from GM GENUINE.

This group includes GM GENUINE 13307373 and GM GENUINE 21999650.

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

14 Radiator parts for the 2011 Buick Lucerne come from 9 brands — SPECTRA PREMIUM, TYC, AGILITY and 6 other brands. The "Popular" part is SPECTRA PREMIUM CU13267.

The Economy section: 1 option from TECHPRO. TECHPRO GM3010611 is listed in this group.

Standard Replacement: 5 parts, from SPECTRA PREMIUM, TYC, AGILITY and 2 other brands. A representative part number is SPECTRA PREMIUM CU13267.

8 further parts sit outside the graded sections, with the same engine-level match.

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

5 Radiator Cap parts for the 2011 Buick Lucerne come from 3 brands — ACDELCO, GATES and MOTORAD.

Part numbers include ACDELCO RC85, ACDELCO RC107 and GATES 31532, among others listed above.

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

5 Radiator Fan Assembly parts are listed for the 2011 Buick Lucerne, from GPD, TYC, AGILITY and 2 other brands. TYC 621440 carries the "Popular" badge. 4 parts fit every engine; the other 1 is engine-specific.

Economy: 1 part, from GPD. A representative part number is GPD 2811602.

The Standard Replacement section: 4 options from TYC, AGILITY, UAC and 1 other brand. TYC 621440 is listed in this group.

Part numbers include TYC 621440, GPD 2811602 and AGILITY 6014102, among others listed 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

This group shows a single part: GM GENUINE 1580639.

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

15 Radiator Hose parts are listed for the 2011 Buick Lucerne, from ACDELCO, DAYCO, GATES and 1 other brand. ACDELCO 26640X carries the "Popular" badge.

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

One part is listed for the 2011 Buick Lucerne — DORMAN 963408.

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

41 Temperature Sender / Sensor parts for the 2011 Buick Lucerne come from 19 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, NTK and 16 other brands. The "Popular" part is NTK EF0008. Economy, Full Service Kit and Standard Replacement are all represented, and Standard Replacement alone accounts for 25 parts.

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

17 Thermostat parts are listed for the 2011 Buick Lucerne, from MOTORAD, GATES, CALORSTAT and 3 other brands. GATES 34054 carries the "Popular" badge.

The Heavy Duty section lists 2 options from MOTORAD — rated for severe service. MOTORAD 5511185 is listed in this group.

The Premium section: 2 options from MOTORAD. MOTORAD 7511185 is listed in this group.

The Standard Replacement section: 13 options from MOTORAD, GATES, CALORSTAT and 3 other brands. GATES 34054 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

20 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2011 Buick Lucerne come from 7 brands — FEL-PRO, APEX, VICTOR REINZ and 4 other brands. The "Popular" part is FEL-PRO 35614.

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

8 Thermostat Housing / Water Outlet parts are listed for the 2011 Buick Lucerne, from MOTORAD, DORMAN, FAMOUS BRAND and 4 other brands. DORMAN 9022010 carries the "Popular" badge.

Economy: 3 parts, from DORMAN, FAMOUS BRAND and GPD. A representative part number is DORMAN 9022010.

The Standard Replacement section: 4 options from GM GENUINE, FOUR SEASONS, GATES and 1 other brand. GM GENUINE 1580767 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This group includes DORMAN 9022010, FAMOUS BRAND 85284 and GPD 8241497 and the remaining parts 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

19 Water Pump parts are listed for the 2011 Buick Lucerne, from GMB, SKP, US MOTOR WORKS and 7 other brands. SKP SK1309660 carries the "Popular" badge.

Economy: 7 parts, from SKP, US MOTOR WORKS, FVP and 1 other brand. A representative part number is SKP SK1309660.

The Standard Replacement section: 12 options from GMB, ACDELCO, AISIN and 3 other brands. ACDELCO 252915 is listed in this group.

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

24 Water Pump Gasket parts for the 2011 Buick Lucerne come from 6 brands — VICTOR REINZ, FEL-PRO, GM GENUINE and 3 other brands. The "Popular" part is FEL-PRO 35814.

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

2 Water Pump Pulley parts for the 2011 Buick Lucerne come from 2 brands — DORMAN and GM GENUINE.

Listed part numbers: DORMAN 300940 and GM GENUINE 12577763.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Water Pump Seal / O-Ring parts are listed for the 2011 Buick Lucerne, from APEX and FEL-PRO.

Listed part numbers: APEX AWP3012 and FEL-PRO 35499.