2008 Buick Lacrosse 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 2008 Buick Lacrosse come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL. Every part fits all 3 engine options (3.6L V6, 3.8L V6 and 5.3L 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 bleeders used to purge air from the coolant circuit. Read more

2 Coolant Air Bleeder parts are listed for the 2008 Buick Lacrosse, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 902112 and GM GENUINE 12602048.

This table covers the Coolant filler necks. Read more

2 Coolant Filler Neck parts are listed for the 2008 Buick Lacrosse, from DORMAN and GM GENUINE.

Part numbers include DORMAN 9022133 and GM GENUINE 10344426.

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

5 Coolant Hose / Pipe parts for the 2008 Buick Lacrosse come from 4 brands — GM GENUINE, ACDELCO, CONTINENTAL and 1 other brand.

Part numbers include ACDELCO 14479S, CONTINENTAL 63234 and DAYCO 86501, 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 are listed for the 2008 Buick Lacrosse, from GM GENUINE, FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 36021, GM GENUINE 12623519 and GM GENUINE 1534066 and the remaining parts above.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: FOUR SEASONS 86500.

This table covers the gaskets that seal the Coolant Pipe. 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 2008 Buick Lacrosse — AJUSA 01154600.

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

7 Coolant Reservoir parts are listed for the 2008 Buick Lacrosse, from TECHPRO, DORMAN, GM GENUINE and 2 other brands. DORMAN 603668 carries the "Popular" badge.

Part numbers include DORMAN 603668, GM GENUINE 20917050 and GPD 2411201, 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

2 Coolant Reservoir Cap parts are listed for the 2008 Buick Lacrosse, from DORMAN and MOTORAD. All of them fit every engine offered in the 2008 Lacrosse.

Part numbers include DORMAN 82724 and MOTORAD T167.

This table covers the Coolant Water Crossover Mounting sets. Read more

3 Coolant Water Crossover Mounting Set parts for the 2008 Buick Lacrosse come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO ES73027, MAHLE / CLEVITE GS33845 and VICTOR REINZ 181002301.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 2008 Buick Lacrosse.

This group includes 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 2008 Buick Lacrosse come from 2 brands — GATES and MOTORAD. Every part fits all 3 engine options (3.6L V6, 3.8L V6 and 5.3L V8).

This group includes GATES 31431, GATES 31391 and MOTORAD 3128 and the remaining parts above.

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

23 Radiator parts for the 2008 Buick Lacrosse come from 9 brands — DENSO, FVP, TYC and 6 other brands. The "Popular" part is CSF 3262.

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

6 Radiator Cap parts for the 2008 Buick Lacrosse come from 3 brands — ACDELCO, GATES and MOTORAD.

Part numbers include ACDELCO 12R04, ACDELCO RC111 and GATES 31532, among others listed above.

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

One part is listed for the 2008 Buick Lacrosse — DORMAN 61136.

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

18 Radiator Fan Assembly parts are listed for the 2008 Buick Lacrosse, from TYC, UAC, VDO / CONTINENTAL and 5 other brands. DORMAN 620973 carries the "Popular" badge.

Economy: 5 parts, from DORMAN, GPD and SKP. A representative part number is DORMAN 620973.

The Standard Replacement section: 13 options from TYC, UAC, VDO / CONTINENTAL and 2 other brands. AGILITY 6031107 is listed in this group.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

One part is listed for the 2008 Buick Lacrosse — GM GENUINE 1580593.

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

5 Radiator Fan Motor parts for the 2008 Buick Lacrosse come from 3 brands — GM GENUINE, VDO / CONTINENTAL and FOUR SEASONS.

Listed part numbers: FOUR SEASONS 35081, GM GENUINE 1580641 and GM GENUINE 1580640, plus the other parts above.

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

23 Radiator Hose parts are listed for the 2008 Buick Lacrosse, from CONTINENTAL, DAYCO, GATES and 1 other brand. ACDELCO 20458S carries the "Popular" badge.

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

DORMAN supplies both parts for the 2008 Buick Lacrosse. All of them fit every engine offered in the 2008 Lacrosse.

Listed part numbers: DORMAN 700579 and DORMAN 961359.

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

57 Temperature Sender / Sensor parts for the 2008 Buick Lacrosse come from 19 brands — STANDARD MOTOR PRODUCTS, NTK, WALKER PRODUCTS and 16 other brands. The "Popular" part is NTK EF0008. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by STANDARD MOTOR PRODUCTS, WELLS, NTK and 9 other brands.

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

38 Thermostat parts are listed for the 2008 Buick Lacrosse, from MOTORAD, GATES, CALORSTAT and 6 other brands. MOTORAD 5239192 carries the "Popular" badge. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by MOTORAD, GATES, CALORSTAT and 4 other brands.

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

31 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2008 Buick Lacrosse come from 9 brands — FEL-PRO, VICTOR REINZ, APEX and 6 other brands. The "Popular" part is FEL-PRO 35855. A list this long means Thermostat / Thermostat Housing / Water Outlet Seal applications vary by configuration — the notes carry the qualifiers.

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

9 Thermostat Housing / Water Outlet parts are listed for the 2008 Buick Lacrosse, from MOTORAD, DORMAN, GPD and 3 other brands.

Economy: 4 parts, from DORMAN, GPD and VEMO. A representative part number is DORMAN 9022098.

The Standard Replacement section: 5 options from MOTORAD, FOUR SEASONS and GATES. FOUR SEASONS 85167 is listed in this group.

Part numbers include DORMAN 9022098, DORMAN 9022001 and GPD 8241409, among others listed 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

This group shows a single part: GM GENUINE 131169.