HomeTYC 18048
Part #: 18048

TYC 18048

⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$213.17Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, X3 and X4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of TYC Radiator for BMW X3 and X4

The TYC radiator part number 18048 is engineered to meet the cooling demands of BMW X3 and X4 models. Designed with a durable aluminum core and precise dimensions, this radiator ensures efficient heat dissipation and reliable engine performance.

  • Core Material: Aluminum for enhanced heat transfer and corrosion resistance
  • Core Dimensions: 19.49 inches length, 5.76 inches height, and 3.94 inches thickness
  • Top and Bottom Headers: Both measure 4.47 by 6.15 inches for consistent fitment
  • Flow Configuration: Crossflow design to optimize coolant circulation
  • Inlet and Outlet Connections: Quick connect type with 2.40-inch diameter for easy installation

Detailed Product Description

This TYC radiator (part number 18048) features an aluminum core that provides efficient thermal conductivity, helping maintain optimal engine temperature in BMW X3 and X4 vehicles. The crossflow flow configuration enhances coolant movement across the core, improving heat exchange efficiency. Both the top and bottom headers measure 4.47 by 6.15 inches, ensuring a precise fit within the cooling system. The radiator’s inlet and outlet connections utilize quick connect fittings with a 2.40-inch diameter, simplifying the installation process and reducing the risk of leaks.

Common Applications and Problem Solving

  • Replaces damaged or leaking radiators in BMW X3 and X4 models
  • Addresses overheating issues caused by inefficient heat dissipation
  • Restores proper coolant flow with crossflow design
  • Eliminates coolant leaks from worn or corroded inlet/outlet connections
  • Improves engine cooling performance for vehicles experiencing temperature fluctuations

Installation Notes and Tips

  • Ensure compatibility with BMW X3 and X4 models before installation
  • Use appropriate tools for quick connect fittings to avoid damage
  • Inspect and replace any worn hoses or clamps during installation
  • Flush the cooling system to remove debris before installing the new radiator
  • Check for proper coolant levels and system pressure after installation

Quality Assurance and Warranty

TYC radiators are manufactured to meet OEM specifications, providing reliable performance and durability. The aluminum core construction resists corrosion and extends service life. While specific warranty details for part number 18048 are not provided here, TYC products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.

BrandTYC
Part Number18048
Core MaterialAluminum
Bottom Header4.47x6.15
Core Height (in)5.76
Core Length (in)19.49
Core Thickness (in)3.94
Flow ConfigurationCrossflow
Inlet Connection TypeQuick connect
Inlet Diameter (in)2.40
Outlet Connection TypeQuick connect
Outlet Diameter (in)2.40
Top Header4.47x6.15

This part fits 12 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2018BMWX4M40iSport Utility3.0LL6N/A
2017BMWX3xDrive35iSport Utility3.0LL6N/A
2017BMWX4M40iSport Utility3.0LL6N/A
2016BMWX3xDrive35iSport Utility3.0LL6N/A
2016BMWX4xDrive35iSport Utility3.0LL6N/A
2016BMWX4M40iSport Utility3.0LL6N/A
2015BMWX3xDrive35iSport Utility3.0LL6N/A
2015BMWX4xDrive35iSport Utility3.0LL6N/A
2014BMWX3xDrive35iSport Utility3.0LL6N/A
2013BMWX3xDrive35iSport Utility3.0LL6N/A
2012BMWX3xDrive35iSport Utility3.0LL6N/A
2011BMWX3xDrive35iSport Utility3.0LL6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

17 51 7 593 845

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.