2021 BMW X5 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

13 Coolant / Antifreeze parts for the 2021 BMW X5 come from 4 brands — PRESTONE, PEAK, VALVOLINE and 1 other brand. The "Popular" part is PRESTONE AF3100. 12 parts fit every engine; the other 1 is engine-specific.

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 3 options from PRESTONE, VALVOLINE and PEAK — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, AISIN, PEAK and VALVOLINE supply 3 parts: built to original-equipment specification. A representative part number is AISIN ACE008.

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

DORMAN supplies both parts for the 2021 BMW X5.

Listed part numbers: DORMAN 902404 and DORMAN 902404HP.

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 2021 BMW X5 — ELRING 284670.

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

9 Coolant Reservoir parts are listed for the 2021 BMW X5, from TECHPRO, MAHLE / CLEVITE, REIN and 1 other brand. MAHLE / CLEVITE CRT302000S carries the "Popular" badge.

Part numbers include MAHLE / CLEVITE CRT302000S, TECHPRO BM3014116 and ÜRO PARTS 17135A6A031, 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

8 Coolant Reservoir Cap parts are listed for the 2021 BMW X5, from REIN, CALORSTAT and MOTORAD. MOTORAD T64 carries the "Popular" badge. 2 parts fit every engine; the other 6 are engine-specific.

Part numbers include MOTORAD T64, REIN CPE0034 and CALORSTAT RC0084, among others listed 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

10 Radiator parts for the 2021 BMW X5 come from 7 brands — CSF, ULTRA-POWER, TECHPRO and 4 other brands. The "Popular" part is ULTRA-POWER 13783.

The Economy section: 2 options from ULTRA-POWER and TECHPRO. ULTRA-POWER 13783 is listed in this group.

Standard Replacement: 6 parts, from CSF, TYC, AGILITY and 1 other brand. A representative part number is TYC 13783.

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

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

6 Radiator Fan Assembly parts are listed for the 2021 BMW X5, from GPD, TECHPRO, TYC and 3 other brands. TYC 625170 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.

Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 2812286.

The Standard Replacement section: 4 options from TYC, FOUR SEASONS, UAC and 1 other brand. TYC 625170 is listed in this group.

Listed part numbers: TYC 625170, GPD 2812286 and TECHPRO BM3115151, 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

One part is listed for the 2021 BMW X5 — GATES 52456.

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

9 Temperature Sender / Sensor parts for the 2021 BMW X5 come from 6 brands — GPD, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TS658. Every part fits all 3 engine options (3.0L L6 ELECTRIC/GAS Turbocharged, 3.0L L6 Turbocharged and 4.4L V8 Turbocharged).

The Economy section: 3 options from GPD and VEMO. GPD 1814545 is listed in this group.

Standard Replacement: 6 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, FACET and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS TS658.

This group includes STANDARD MOTOR PRODUCTS TS658, GPD 1814545 and GPD 1814574 and the remaining parts above.

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

12 Thermostat parts are listed for the 2021 BMW X5, from MOTORAD, SKP, DORMAN and 6 other brands. BECK/ARNLEY 1430869 carries the "Popular" badge.

Economy: 4 parts, from SKP, DORMAN and ÜRO PARTS. A representative part number is DORMAN 9025954.

The Standard Replacement section: 7 options from MOTORAD, BECK/ARNLEY, CALORSTAT and 2 other brands. BECK/ARNLEY 1430869 is listed in this group.

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

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

7 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 BMW X5 come from 3 brands — ELRING, MAHLE / CLEVITE and FEL-PRO. The "Popular" part is MAHLE / CLEVITE C32504.

This group includes MAHLE / CLEVITE C32504, ELRING 546890 and ELRING 546950 and the remaining parts above.

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

One part is listed for the 2021 BMW X5 — VEMO V20990005.

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

14 Water Pump parts are listed for the 2021 BMW X5, from BOSCH, FVP, GMB and 3 other brands. BOSCH 0392023486 carries the "Popular" badge. 3 parts fit every engine; the other 11 are engine-specific.

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

3 Water Pump Gasket parts for the 2021 BMW X5 come from 2 brands — ELRING and AJUSA.

This group includes AJUSA 01732500, ELRING 113600 and ELRING 251050.