2007 Buick Rainier 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 are listed for the 2007 Buick Rainier, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2007 Rainier.

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.

This table covers the Coolant Air Bleed Hose pipes. Read more

4 Coolant Air Bleed Hose / Pipe parts are listed for the 2007 Buick Rainier, from GM GENUINE, DORMAN and GATES.

Part numbers include DORMAN 626591, GATES HHA147 and GM GENUINE 12600254, among others listed above.

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

This group shows a single part: GM GENUINE 12602048.

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

One part is listed for the 2007 Buick Rainier — PIONEER WPT810.

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

3 Coolant Hose / Pipe Seal parts for the 2007 Buick Rainier come from 2 brands — ELRING and FEL-PRO.

This group includes ELRING 876190, ELRING 868630 and FEL-PRO 36017.

This table covers the Coolant Hose Connector flanges. Read more

One part is listed for the 2007 Buick Rainier — GM GENUINE 1510595.

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 for the 2007 Buick Rainier come from ELRING.

Listed part numbers: ELRING 851630 and ELRING 200060.

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Coolant Level Sensor parts are listed for the 2007 Buick Rainier, from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. All of them fit every engine offered in the 2007 Rainier.

This group includes STANDARD MOTOR PRODUCTS FLS16 and WALKER PRODUCTS 2111045.

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

4 Coolant Reservoir parts for the 2007 Buick Rainier come from 4 brands — DORMAN, GM GENUINE, GPD and 1 other brand. 3 parts fit every engine; the other 1 is engine-specific.

This group includes DORMAN 603126, GM GENUINE 89022552 and GPD 2411029 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

4 Coolant Reservoir Cap parts for the 2007 Buick Rainier come from 4 brands — CALORSTAT, DORMAN, GM GENUINE and 1 other brand. Every part fits both the 4.2L L6 and the 5.3L V8.

Listed part numbers: CALORSTAT RC0147, DORMAN 82594 and GM GENUINE RC122, plus the other parts above.

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

3 Coolant Water Crossover Mounting Set parts are listed for the 2007 Buick Rainier, from 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

4 Cooling Fan Control Module parts for the 2007 Buick Rainier come from US MOTOR WORKS. 2 parts fit every engine; the other 2 are engine-specific.

This group includes US MOTOR WORKS 16749, US MOTOR WORKS 16779 and US MOTOR WORKS 16795 and the remaining parts above.

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

4 Cooling System Tester Adapter parts are listed for the 2007 Buick Rainier, from GATES and MOTORAD. All of them fit every engine offered in the 2007 Rainier.

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

This table covers the Hose clamps. Read more

One part is listed for the 2007 Buick Rainier — GM GENUINE 11570393.

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

20 Radiator parts are listed for the 2007 Buick Rainier, from OSC, CSF, KOYORAD and 7 other brands. CSF 3107 carries the "Popular" badge.

Economy: 1 part, from OSC. A representative part number is OSC 2458E.

The Standard Replacement section: 10 options from CSF, KOYORAD, TYC and 7 other brands. CSF 3107 is listed in this group.

9 ungrouped parts are not assigned to a grade, 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

3 Radiator Cap parts are listed for the 2007 Buick Rainier, from ACDELCO, GATES and MOTORAD. All of them fit every engine offered in the 2007 Rainier.

Part numbers include ACDELCO RC85, GATES 31532 and MOTORAD T46.

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

5 Radiator Fan Blade parts for the 2007 Buick Rainier come from 5 brands — SKP, FOUR SEASONS, GM GENUINE and 2 other brands. The "Popular" part is SKP SK620619. Every part fits both the 4.2L L6 and the 5.3L V8.

Listed part numbers: SKP SK620619, FOUR SEASONS 76029 and GM GENUINE 1580696, plus the other parts above.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

12 Radiator Fan Clutch parts are listed for the 2007 Buick Rainier, from FVP, BECK/ARNLEY, FOUR SEASONS and 8 other brands. BECK/ARNLEY 1300229 carries the "Popular" badge. 11 parts fit every engine; the other 1 is engine-specific.

This table covers the shrouds that duct air through the fan and radiator. Read more

One part is listed for the 2007 Buick Rainier — VARIOUS MFR GM3110151.

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

16 Radiator Hose parts for the 2007 Buick Rainier come from 4 brands — ACDELCO, DAYCO, GATES and 1 other brand. The "Popular" part is ACDELCO 20382S.

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

26 Temperature Sender / Sensor parts are listed for the 2007 Buick Rainier, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, HOLSTEIN and 13 other brands. GPD 1712489 carries the "Popular" badge. They are grouped as Economy, Full Service Kit and Standard Replacement, with Standard Replacement the largest group at 17 parts from GM GENUINE, STANDARD MOTOR PRODUCTS, 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

31 Thermostat parts for the 2007 Buick Rainier come from 12 brands — MOTORAD, DORMAN, SKP and 9 other brands. The "Popular" part is GATES 33939. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by MOTORAD, GATES, GM GENUINE and 5 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

14 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2007 Buick Rainier, from FEL-PRO, MAHLE / CLEVITE, VICTOR REINZ and 3 other brands. APEX AWO2229 carries the "Popular" badge.

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

15 Thermostat Housing / Water Outlet parts for the 2007 Buick Rainier come from 8 brands — DORMAN, GPD, GM GENUINE and 5 other brands. The "Popular" part is DORMAN 902836.

The Economy section: 7 options from DORMAN, GPD, AUTOTECNICA and 1 other brand. DORMAN 902836 is listed in this group.

Standard Replacement: 8 parts, from GM GENUINE, MOTORAD, FOUR SEASONS and 1 other brand. A representative part number is GM GENUINE 1510715.

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 2007 Buick Rainier — GM GENUINE 12587397.

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

27 Water Pump parts for the 2007 Buick Rainier come from 13 brands — US MOTOR WORKS, FVP, GMB and 10 other brands. The "Popular" part is SKP SK1307700. Grades run from Economy through Standard Replacement; Economy is the most populated section, led by US MOTOR WORKS, FVP, SKP and 3 other brands.

This table covers the Water Pump & Fan Clutch assemblies. Read more

5 Water Pump & Fan Clutch Assembly parts for the 2007 Buick Rainier come from 3 brands — US MOTOR WORKS, FVP and GMB.

This group includes FVP 1300024 and US MOTOR WORKS MCK1008 and the remaining 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

17 Water Pump Gasket parts are listed for the 2007 Buick Rainier, from FEL-PRO, ELRING, VICTOR REINZ and 5 other brands. FEL-PRO 35704 carries the "Popular" badge.

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

4 Water Pump Seal / O-Ring parts for the 2007 Buick Rainier come from 4 brands — APEX, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

This group includes APEX AWP3151, FEL-PRO 35633 and MAHLE / CLEVITE K31629 and the remaining parts above.