2017 BMW X3 Engine Cooling Parts

Approved materials for increased durability in even the most extreme temperatures. All Carquest Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

• 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
• Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
• Brass sensor housing precision machined to meet or exceed OE thermal conductivity
• OE precision matched thermistor position for correct output parameters
• Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
• Extensive design validation testing and 100% end-of-line tested
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

The Original Equipment Engine Coolant Temperature Sensor is an ideal high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:

• Premium Original Equipment replacement
• Provides performance and dependability
• Manufactured to meet OE specifications

Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:

• Designed to meet or exceed OE specifications for fit, form and function
• 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
• OE precision matched thermistor ensuring sensors match OE output resistances across all temperature positions
• O-rings, seals or thread sealant are included if required
• Weather-tight connectors prevent leaks and corrosion for longer life
• Extensive design validation testing and 100% end-of-line tested
• Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.

Product Features:

• Manufactured to strict engineering standards/specifications in materials and tolerances.
• Direct fit.
• Meets or exceeds pressure specifications demanded by the OE manufacturer.
• Produced by an original equipment supplier.

Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:

Product Features:
• Maintains proper cooling system pressure
• Easy installation and removal
• 100% tested to ensure proper pressure and longevity
• Meets all OEM specifications

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.

Product Features:

• Guaranteed fitment
• Precision-molded to OE cap dimensions to ensure compatibility with original and aftermarket coolant recovery tanks
• Quality cap and seal materials resist engine heat and harsh cooling system environment
• Factory pressure-tested

This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:

• Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
• Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
• Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
• Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings

MotoRad Coolant Control Valves are designed and tested to provide precise and quick coolant redirection for every application. Manufactured using the finest OEM approved materials and electrical isolation features for increased durability and safety in the most extreme temperatures and conditions. All MotoRad Coolant Control Valves are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

• An efficient Coolant Control Valve is critical to cooling the engine and other components by ensuring the coolant is directed to the proper channel where needed
• Designed to meet or exceed OE in fit, form and function
• 100% factory tested to ensure proper signal response and isolation providing unmatched performance and quality
• 100% factory tested to ensure proper signal response and isolation providing unmatched performance and qualityá
• Manufactured using the highest quality materials for increased durability in even the most extreme environments.
• Extensive product testing includes high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all Coolant Control Valves meet or exceed OEM specifications

Rein Automotive OE quality thermostat assemblies install, fit and perform the way the original manufacturer intended. These assemblies are designed to meet or exceed the OE materials used. Rein thermostat housings are constructed of metal or plastic based on vehicle specific factory requirements. The housings are constructed from molds cast directly from the OEM parts to meet the strict tolerances of the vehicle’s factory specifications. This ensures a smooth and easy installation, just as one would expect to find with OE quality. Rein thermostats are produced with high-quality metals and components to ensure proper durability and service life. The thermostats are temperature calibrated to have a consistent and precise response suiting cooling system needs. Our quality thermostat assemblies aim to provide the profession repair technician and vehicle owner the peace of mind and trust that is expected from an OE quality component.

Product Features:

• Matches original equipment design specifications
• Direct fitments allows easy installation
• Manufactured to strict engineering standards/specifications in materials and tolerances
• Thermostat set to 97 degrees Celsius to maintain optimal running temperature

Rein Automotive OE quality expansion tanks, install, fit and perform the way the original manufacturer intended. These tanks are designed to match or exceed the OE materials used and are produced from virgin plastic with no regrind to prevent cracking from heat cycles and ensure the plastic is durable and will have a long service life.

Product Features:

• Produced from virgin plastic meeting/exceeding OE specifications and ensuring long life
• Resistant to cracking and wear from heat cycles preventing coolant loss
• Direct fitment allows easy installation
• Manufactured to strict engineering standards/specifications in materials and tolerances

Rein Automotive OE quality expansion tanks, install, fit and perform the way the original manufacturer intended. These tanks are designed to match or exceed the OE materials used and are produced from virgin plastic with no regrind to prevent cracking from heat cycles and ensure the plastic is durable and will have a long service life.

Product Features:

• Produced from virgin plastic meeting/exceeding OE specifications and ensuring long life
• Resistant to cracking and wear from heat cycles preventing coolant loss
• Direct fitment allows easy installation
• Manufactured to strict engineering standards/specifications in materials and tolerances

Engine coolant reservoirs can crack and leak when they become brittle over time. This replacement reservoir is designed to match the fit, function, and performance of an original reservoir on specified BMW vehicles. This reservoir includes a thermostat, mounting clip, reservoir cap, and coolant level sensor for a complete repair.

Product Features:

• Direct replacement – this engine coolant reservoir is made to match the fit and performance of the original equipment on specified BMW vehicles and designed to help restore cooling system function
• Complete solution – this reservoir includes a thermostat, mounting clip, reservoir cap, and coolant level sensor to help ensure a professional and predictable repair
• Durable construction – designed and manufactured to strict specifications for reliable performance
• Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.

Product Features:

• Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
• Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
• Our fin edges are folded for increased stability and heat disbursement properties.
• Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
• Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
• We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
• We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.

Aluminum Core Radiator The Behr replacement radiator guarantees the same quality fit and performance as the OE radiator it replaces. The Behr radiator core is manufactured using high quality anti corrosive aluminum and fiber glass-reinforced polyamide coolant tanks that are highly resistant to cracking and deformation.

Product Features:

• OE-Equivalent
• Direct fit for easy installation.
• High quality corrosion resistant materials.
• OE Style mounting brackets and hose connections.
• Mechanically bonded aluminum core.
• Integrated transmission oil cooler when applicable.

Carquest Premium Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Carquest Premium Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.

Product Features:

• Our B-type tubes feature central reinforcement to provide greater tolerance to pressure. Stronger tube design means drastically reduced probability of tube failure.
• Our deep extrusion header provides a stronger tube to header joint which is more resistant to the effects of vibration and thermal tube expansion, virtually eliminating tube to header leaks.
• Our fin edges are folded for increased stability and heat disbursement properties.
• Our included “multi-fit” attachments allow one radiator to cover multiple vehicle applications without sacrificing OE fit. This results in wider vehicle coverage with substantially less inventory.
• Thermal expansion cuts allow for longer life and reduce failure rates by allowing improved core expansion and contraction during normal heat cycles.
• We design and manufacture all our radiators to meet or even exceed Original Equipment specifications. We take pride in producing the most reliable replacement parts in the market.
• We use longer header tabs for increased pressure resistance. This reduces the potential for tank to header leaks.

VDO now offers an Electric Water Pump with an integrated Control Unit. VDOs Electric Water Pump is the exact OEM part and manufactured to the highest quality and original equipment specifications. It is identical in fit, form, and function and provides the exact quality of OE components supplied to auto manufacturers worldwide. Professional technicians and DIYers alike want quality products for ease of installation, fit, and performance. Our water pump is built in OE ISO TS certified facilities and manufactured to the highest quality standards. VDO also supplies separately the mounting screws associated with installation of our water pump. The Electric Water Pump is mounted with 3 screws. Please refer to OE application and guidelines for screw selection as three variants exist. With VDO you can count on dependable performance and robust design by being original equipment while still maintaining a competitive price.

Product Features:

• Plated for corrosion resistance
• Made in ISO certified facilities
• OEM Product
• 26 mm

Rein OE quality bolts kits fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for the original bolts are identical to OEM. Supplied with all the necessary bolts and torque specs to ensure that the job is done right.

Product Features:

• Includes all the bolts needed to complete the job.
• Comes with torque specs to make sure each bolt is properly tighten
• Manufactured to strict engineering standards/specifications in materials and tolerances
• Aluminum bolts are torque to yield and must be replaced once they are released.

This engine coolant bleeder screw has been manufactured from durable material to prevent cooling system leaks. Matches the original screw for fit and function.

Product Features:

• Ideal replacement – this engine coolant bleeder screw matches fit and function of the original equipment screw
• Durable materials – designed to withstand high cooling system temperatures and pressures
• Cost-effective solution – this bleeder screw offers original equipment quality at a competitive price
• Quality tested – this part has undergone try-on and material testing to ensure a quality fit and Length service life

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced ¿Genuine¿ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.

Product Features:

• Made from durable brass instead of plastic like the OEM
• Plastic tends to try out and break
• Stronger material reduces chance of stripping the head during removal
• Guaranteed fitment
• Replacement of leaking recovery tank bleeder screw instantly restores cooling system integrity
• Durable materials and stout design matches OE to resist hot pressurized coolant

On certain BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles, the original equipment engine coolant bleeder screw is made of plastic. Over time and during normal service, the head of the plastic screw deforms, becomes difficult to turn, and inevitably requires replacement. This Dorman OE FIX coolant air bleeder screw is made of brass to resist deforming during service, saving the expense of replacing the original screw with the same failure-prone plastic design.

Product Features:

• Upgraded material – this brass coolant air bleeder screw reduces future maintenance costs by replacing the original equipment plastic screw on specified BMW, Mini, Chrysler, Dodge, Jeep, and Ram vehicles
• Ideal solution – instead of wasting time wrestling with a deformed plastic screw head, this sturdy brass screw ensures easy, reliable removal and reuse
• Durable construction – made of quality brass for reliable performance and long service life
• Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

This engine water pump is designed to match the fit and function of the original pump on specified applications, and is engineered for reliable performance and durability.

Product Features:

• Direct replacement – this engine water pump is designed to match the fit and function of the original pump on specified applications
• Restores functionality – reliable replacement for an original part that has failed due to worn bearings or contaminated electronics
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Rein Automotive OE water pumps are designed to be direct replacements for OE water pumps and water pump assembles. Rein water pumps are made to original casting specifications to ensure proper fitments for easy installation, proper water flow and maximum cooling. Pumps include the necessary OE style gaskets and/or O-rings to replace the old worn out parts. Seals are made from a high quality silicate carbide compound. Bearings of OE design and materials are also used to meet or exceed OEM standards and ensure long service life. Our quality water pumps aim to provide the professional repair technician and vehicle owner the peace of mind and trust that is expected from an OE quality component. Please read and follow all enclosed instructions to maximize pump life and validate warranty.

Product Features:

• OE high performance motor
• Pump uses OE designed bearings by ensuring to extend pumps service life
• Includes replacement seals, if applicable
• Read and follow all enclosed instructions to maximize pump life and to qualify for extended warranty

Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:

• Matches OE form, fit and function
• Heavy duty bearings, sealed and lubed for life
• Includes all necessary gaskets and seals needed for a complete installation
• Where applicable, metal and resin impellers are offered. See catalog to match pump to this vehicle
• Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.

The plastic cover on certain BMW engine water pumps is known to crack over time and cause the pump to leak coolant. If you need to replace your pump, you don’t want to run the risk of it failing that way in the future. This Dorman OE FIX solution upgrades the pump housing and hardware to robust aluminum to help extend service life. It also has an updated circuit board design that increases reliability. This improved replacement has undergone rigorous laboratory and on-vehicle road testing, proving it matches OEM performance.

Product Features:

• Upgraded replacement – this water pump features a more robust aluminum housing, improving on the crack-prone plastic design that comes stock on certain BMW vehicles
• Enhanced electronics – features an updated printed circuit board (PCB), with purposefully designed circuits, that seamlessly integrates with the factory engine control module
• Rigorously tested – laboratory and on-vehicle road testing includes validation of dimensions, connector fitment, flow rates and thermal shock durability
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:

• High grade stainless steel and copper construction
• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated

Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.

Product Features:

• High grade stainless steel and copper construction
• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated

Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.

Product Features:

• High grade stainless steel and copper construction
• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated

Manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:

• High grade stainless steel and copper construction
• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated