Koyorad
Koyorad Radiator

Koyorad A13870 Radiator

Brand Koyorad A13870
Core Height 15.375
Core Thickness 0.625
Core Width 29.3125
Title Koyorad a13870 radiator
Product line Koyorad Radiator
Fits Subaru · 6 vehicles

OE-equivalent replacement. Built as a direct radiator replacement for OE-style cooling system service.

External oil cooler fitment. Specified for applications that use an external oil cooler.

Koyorad engineering. Backed by the brand's experience in replacement cooling components.

Cross-references BBB Industries 13870 for the same application. See all 1.

$177.50Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $177.50
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE Equivalent Radiator

The Koyorad A13870 radiator is an OE-equivalent replacement built for cooling-system service on select Subaru applications. It is specified for vehicles with an external oil cooler and matches the fitment details needed for a direct replacement search.

Key Features

  • OE-equivalent radiator construction from Koyorad
  • Core dimensions: 29.3125 in. width, 15.375 in. height, 0.625 in. thickness
  • Built for Subaru Legacy and Subaru Outback applications with an external oil cooler
  • Part number A13870 for catalog and fitment verification

Detailed Description

Koyorad A13870 is a radiator replacement for 2020-2022 Subaru Legacy and 2020-2022 Subaru Outback models equipped with an external oil cooler. Koyorad positions this radiator as an OE-equivalent solution, using its manufacturing experience to supply a replacement that aligns with original-style cooling system requirements. The A13870 radiator is a practical match for buyers searching for a Subaru Legacy radiator or Subaru Outback radiator by part number.

The Koyorad Radiator line focuses on replacement cooling components that follow OE-style specifications. For shoppers comparing radiator options by application, A13870 provides a straightforward fitment reference for the listed Subaru models and cooling configuration. This part cross-references BBB Industries 13870 for the same application.

What It Is Used For

  • Replacing a leaking or damaged radiator
  • Restoring coolant flow through the cooling system
  • Addressing overheating caused by radiator failure
  • Matching an OE-style radiator for listed Subaru applications

Installation Notes and Tips

Verify the vehicle has an external oil cooler before ordering. Confirm radiator dimensions and part number A13870 against the removed unit and the vehicle’s cooling-system configuration. Use the fitment details exactly as listed for 2020-2022 Subaru Legacy and 2020-2022 Subaru Outback applications.

Quality Assurance

Koyorad describes this radiator as an OE-equivalent replacement and notes its technical experience in manufacturing replacement cooling components.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2022SubaruLegacy2.5LH4External Oil Cooler; Koyorad Radiator
2022SubaruOutback2.5LH4External Oil Cooler; Koyorad Radiator
2021SubaruLegacy2.5LH4External Oil Cooler; Koyorad Radiator
2021SubaruOutback2.5LH4External Oil Cooler; Koyorad Radiator
2020SubaruLegacy2.5LH4External Oil Cooler; Koyorad Radiator
2020SubaruOutback2.5LH4External Oil Cooler; Koyorad Radiator
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13870