2004 Buick Rendezvous 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 2004 Buick Rendezvous, from PRESTONE, PEAK, VALVOLINE and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2004 Rendezvous.

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

2 Coolant Air Bleeder parts for the 2004 Buick Rendezvous come from 2 brands — DORMAN and FOUR SEASONS.

Part numbers include DORMAN 902112 and FOUR SEASONS 86041.

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

6 Coolant Hose / Pipe parts are listed for the 2004 Buick Rendezvous, from GM GENUINE, ACDELCO, GATES and 2 other brands. ACDELCO 14156S carries the "Popular" badge.

Part numbers include ACDELCO 14156S, GATES 19026 and CONTINENTAL 63121, 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

4 Coolant Hose / Pipe Seal parts for the 2004 Buick Rendezvous come from 4 brands — APEX, ELRING, FEL-PRO and 1 other brand.

Part numbers include APEX ADM1403, ELRING 943630 and FEL-PRO 70799, among others listed above.

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

This group shows a single part: ELRING 943020.

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

This group shows a single part: AJUSA 01154600.

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

DORMAN supplies both parts for the 2004 Buick Rendezvous. All of them fit every engine offered in the 2004 Rendezvous.

Listed part numbers: DORMAN 700579 and DORMAN 961359.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2004 Buick Rendezvous come from US MOTOR WORKS.

Part numbers include 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 are listed for the 2004 Buick Rendezvous, from ACDELCO, GATES and MOTORAD. All of them fit every engine offered in the 2004 Rendezvous.

Listed part numbers: 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

19 Radiator parts are listed for the 2004 Buick Rendezvous, from TECHPRO, FVP, OSC and 8 other brands. AGILITY 8012730 carries the "Popular" badge.

Economy: 3 parts, from TECHPRO. A representative part number is TECHPRO GM3010213.

The Standard Replacement section: 3 options from AGILITY, FVP and OSC. AGILITY 8012730 is listed in this group.

13 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

7 Radiator Cap parts are listed for the 2004 Buick Rendezvous, from MOTORAD, GATES, ACDELCO and 2 other brands. MOTORAD ST16V carries the "Popular" badge. 6 parts fit every engine; the other 1 is engine-specific.

The Locking Replacement section lists 2 options from MOTORAD and GATES — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST16V is listed in this group.

The Standard Replacement section: 5 options from GATES, ACDELCO, CSF and 2 other brands. GATES 31523 is listed in this group.

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

7 Radiator Fan Assembly parts for the 2004 Buick Rendezvous come from 5 brands — GPD, TYC, TECHPRO and 2 other brands. The "Popular" part is FOUR SEASONS 75365. 4 parts fit every engine; the other 3 are engine-specific.

The Economy section: 3 options from GPD and TECHPRO. GPD 2811535 is listed in this group.

Standard Replacement: 4 parts, from TYC, FOUR SEASONS and UAC. A representative part number is FOUR SEASONS 75365.

Listed part numbers: FOUR SEASONS 75365, GPD 2811535 and GPD 2811536, 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

6 Radiator Fan Motor parts are listed for the 2004 Buick Rendezvous, from FOUR SEASONS, GPD and VDO / CONTINENTAL. FOUR SEASONS 35389 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.

Part numbers include FOUR SEASONS 35389, FOUR SEASONS 35377 and FOUR SEASONS 35378, among others listed 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

16 Radiator Hose parts for the 2004 Buick Rendezvous come from 4 brands — DAYCO, GATES, CONTINENTAL and 1 other brand. The "Popular" part is CONTINENTAL 66125.

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

2 Radiator Upper Air Baffle Retainer / Clip parts for the 2004 Buick Rendezvous come from DORMAN. Every part fits both the 3.4L V6 and the 3.6L V6.

This group includes DORMAN 700614 and DORMAN 963230D.

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

39 Temperature Sender / Sensor parts are listed for the 2004 Buick Rendezvous, from STANDARD MOTOR PRODUCTS, NTK, WALKER PRODUCTS and 15 other brands. NTK EF0008 carries the "Popular" badge. 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

26 Thermostat parts for the 2004 Buick Rendezvous come from 8 brands — MOTORAD, CALORSTAT, GATES and 5 other brands. The "Popular" part is MOTORAD 2067180. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by MOTORAD, CALORSTAT, GATES 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

25 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2004 Buick Rendezvous, from FEL-PRO, GM GENUINE, APEX and 5 other brands. FEL-PRO 35614 carries the "Popular" badge. 1 part fits every engine; the other 24 are engine-specific.

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

8 Thermostat Housing / Water Outlet parts for the 2004 Buick Rendezvous come from 6 brands — DORMAN, GPD, FAMOUS BRAND and 3 other brands. The "Popular" part is MOTORAD CH5166. 1 part fits every engine; the other 7 are engine-specific.

The Economy section: 5 options from DORMAN, GPD and FAMOUS BRAND. DORMAN 9022004 is listed in this group.

Standard Replacement: 3 parts, from MOTORAD, FOUR SEASONS and GATES. A representative part number is MOTORAD CH5166.

Listed part numbers: MOTORAD CH5166, DORMAN 9022004 and DORMAN 9022098, plus the other 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

23 Water Pump parts for the 2004 Buick Rendezvous come from 13 brands — GM GENUINE, SKP, FVP and 10 other brands. The "Popular" part is BECK/ARNLEY 1312378.

The Economy section: 11 options from SKP, FVP, US MOTOR WORKS and 4 other brands. BECK/ARNLEY 1312378 is listed in this group.

Standard Replacement: 12 parts, from GM GENUINE, ACDELCO, GATES and 3 other brands. A representative part number is ACDELCO 252721.

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

11 Water Pump Gasket parts are listed for the 2004 Buick Rendezvous, from FEL-PRO, GM GENUINE, APEX and 3 other brands. FEL-PRO 35403 carries the "Popular" badge.

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 are listed for the 2004 Buick Rendezvous, from DORMAN and GM GENUINE.

This group includes DORMAN 300933 and GM GENUINE 12611587.

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

This group shows a single part: GM GENUINE 12691259.

This table covers the Water Pump Stud kits. Read more

This group shows a single part: DORMAN 902806.