My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Koyo A13903 Aluminum Core Radiator for BMW X3 X4 2.0L Turbo

(2018-2019 BMW X3; 2019 BMW X4)

Part of: Koyo Replacement Radiator with Aluminum Core

Other options in this family: Koyo A2890 Koyo A13641 Koyo A13540 Koyo A13076 Koyo A2198

Manufacturer

Picture for manufacturer Koyo

Part Number

A13903
8 reviews
Sale Price

$155.86

4 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Koyo A13903 Koyorad is a high-quality direct-fit replacement radiator designed for 2018-2019 BMW X3 and 2019 BMW X4 models equipped with the 2.0L turbocharged I4 engine. This radiator serves as the primary cooling component, ensuring optimal engine temperature management under demanding driving conditions.

Key Features:

  • Aluminum core construction for superior heat dissipation and durability
  • Plastic tank design reduces weight while maintaining structural integrity
  • Direct OEM fitment for 2018-2019 BMW X3 2.0L I4 Turbo models
  • Direct OEM fitment for 2019 BMW X4 2.0L I4 Turbo models
  • Functions as the primary radiator in the cooling system
  • Engineered to meet or exceed original equipment specifications

Koyo radiators are manufactured to stringent quality standards, providing reliable cooling performance and long service life. The aluminum core offers excellent thermal conductivity while the plastic tanks help reduce overall weight compared to traditional all-metal designs.

Products specifications

Fits

2018-2019 BMW X3; 2019 BMW X4

Prop 65

No

Very easy process

great

Fast and easy

Priced less than anywhere on the web for the same product. Arrived sooner than expected.

Nice tires; Great price

good service,

Made a mistake on original order and thankfully was able to reach someone live to help me get back on track so we would have our pump at the job site in time.

It took Overton 1 week to tell me that this item was out of stock so I had to purchase from another place. Easy to order from boatplicity.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy