Part #: 3827

CSF 3827 Radiator

1 Row Plastic Tank Aluminum Core
⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$161.06Free Shipping
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦1 Row Plastic Tank Aluminum Core
🚗Fitment: Lexus, RX350 and RX350L
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of CSF 3827 Radiator for Lexus RX350 and RX350L

The CSF 3827 radiator is designed specifically for Lexus RX350 and RX350L models, providing reliable cooling performance. Featuring a 1 Row Plastic Tank Aluminum Core construction, this radiator ensures efficient heat dissipation and durability for your vehicle's cooling system.

  • Compatible with Lexus RX350 and RX350L models
  • Part number 3827 for precise identification
  • Constructed with a 1 Row Plastic Tank Aluminum Core for effective cooling
  • Includes CSF cap number 4514 for proper pressure management
  • Category: Radiators, Coolers and Related Components

Details on the 1 Row Plastic Tank Aluminum Core Brand Line

The 1 Row Plastic Tank Aluminum Core brand line by CSF focuses on combining lightweight plastic tanks with a durable aluminum core. This design balances corrosion resistance and thermal efficiency, making it suitable for vehicles like the Lexus RX350 and RX350L that require dependable cooling under various driving conditions. The single-row core construction supports consistent coolant flow and heat exchange.

Product Description and Attributes

The CSF 3827 radiator features a plastic tank paired with an aluminum core, optimized for the cooling demands of Lexus RX350 and RX350L vehicles. The radiator includes the CSF cap number 4514, which is engineered to maintain the correct pressure within the cooling system, preventing overheating and coolant loss. This radiator is categorized under belts and cooling components, specifically designed to replace or upgrade the factory radiator with a part that meets OEM specifications.

Common Applications and Issues Addressed

  • Replacement for leaking or damaged radiators in Lexus RX350 and RX350L
  • Resolves overheating problems caused by inefficient heat dissipation
  • Addresses coolant loss due to cracked or worn plastic tanks
  • Improves cooling system reliability in vehicles with aging radiators
  • Supports engine temperature regulation during heavy use or hot climates

Installation Notes and Tips

When installing the CSF 3827 radiator, ensure compatibility with Lexus RX350 and RX350L models by verifying the part number. Properly drain the existing coolant before removal and inspect hoses and clamps for wear. Use the included CSF cap number 4514 or verify that the existing cap matches to maintain system pressure. After installation, refill the cooling system with the recommended coolant and bleed air pockets to prevent overheating.

Quality Assurance and Warranty

CSF radiators, including part number 3827, are manufactured to meet industry standards for durability and performance. The 1 Row Plastic Tank Aluminum Core design undergoes quality control to ensure consistent cooling efficiency. Warranty details are provided by CSF and typically cover defects in materials and workmanship; please refer to CSF documentation for specific warranty terms.

BrandCSF
Part Number3827
Position1 Row Plastic Tank Aluminum Core
Csf Cap Number4514

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022LexusRX3503.5LV6N/AUpgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm; 1 Row Plastic Tank Aluminum Core
2022LexusRX350L3.5LV6N/AUpgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm; 1 Row Plastic Tank Aluminum Core
2021LexusRX3503.5LV6N/AUpgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm; 1 Row Plastic Tank Aluminum Core
2021LexusRX350L3.5LV6N/AUpgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm; 1 Row Plastic Tank Aluminum Core
2020LexusRX3503.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core
2020LexusRX350L3.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core
2019LexusRX3503.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core
2019LexusRX350L3.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core
2018LexusRX3503.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core
2018LexusRX350L3.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core
2017LexusRX3503.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core
2016LexusRX3503.5LV6N/Aw/o External Transmission Oil Cooler; 1 Row Plastic Tank Aluminum Core

* 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:

1360216400-0P500CU13602LX3010155

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