Spectra CU13633 Radiator

Brand Spectra CU13633
Fits Buick · 8 vehicles

OE-style construction. Built to meet durability expectations associated with original equipment.

Direct replacement fit. Made for straightforward radiator service without unnecessary complexity.

Cross-references Carlson 13633, CSF 3864 and TYC 1735 for the same application. See all 11.

$322.10Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $322.10
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator Overview

The Spectra radiator, part number CU13633, is built to meet OE-level durability and performance expectations. It is a direct-fit cooling system replacement for select applications and is suited for buyers looking for a radiator replacement for Buick Envision models.

Key Features

  • OE-style construction focused on durability and consistent cooling performance.
  • Direct replacement radiator for straightforward service work.
  • Engineered for the cooling demands of the vehicle’s original system.
  • Fits 2016-2020 Buick Envision, N/A.

Detailed Description

Spectra Premium designs this radiator to follow the same durability standards expected from original equipment. Part number CU13633 is a practical choice for a Buick Envision radiator replacement when the original unit is leaking, restricted, or no longer maintaining proper operating temperature. This radiator cross-references Carlson 13633 and CSF 3864 for the same application. For fitment-specific searches, this part is listed for 2016-2020 Buick Envision, N/A, and the CU13633 part number is the key identifier for ordering and verification.

Common Replacement Reasons

  • Coolant leaks from a damaged or corroded radiator core or tank.
  • Overheating caused by reduced heat transfer efficiency.
  • Cooling system contamination from internal radiator deterioration.
  • Temperature instability after the original radiator has aged or failed.

Installation Notes

Verify radiator dimensions, hose connections, and transmission cooler provisions against the original unit before installation. Flush the cooling system and inspect related components such as hoses, clamps, thermostat, and coolant condition during replacement. Confirm fitment by vehicle application before ordering CU13633.

Quality Assurance

Spectra Premium radiators are built to the same durability expectations associated with OE replacement cooling components.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2020BuickEnvision2.5LL4—
2019BuickEnvision2.5LL4—
2019BuickEnvision2.0LL4—
2018BuickEnvision2.5LL4—
2018BuickEnvision2.0LL4—
2017BuickEnvision2.5LL4—
2017BuickEnvision2.0LL4—
2016BuickEnvision2.0LL4—
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — 13633CSF — 3864TYC — 173521860411363380136332294296523477119A13633CR13633REA4113633