1998-2003 Toyota Sienna OEM Radiator - Automatic Transmission Models
K2 Industries
1998-2003 Toyota Sienna OEM Radiator - Automatic Transmission Models
Check fitment before ordering
Match the year, make, model, trim and engine in the product details. Review mounting requirements and vehicle modifications. Ask us about this part.
Eligible returns within 30 days of receipt. Items must be unused, with tags and original packaging. Contact Lee Mods before sending anything back. Lee Mods pays return shipping for eligible U.S. returns; no restocking fee. See Returns & Exchanges for full conditions.
1998–2003 Toyota Sienna OEM Radiator — Automatic Transmission Models
Factory radiator engineered for Sienna automatic transmissions with integrated cooling capacity. Direct replacement built to OEM specifications and durability standards. Designed for plug-and-play installation on compatible models.
Key Features
- OEM-matched construction - Ensures compatibility with automatic transmission cooling circuits without modification
- Complete core assembly - Includes tanks, fins, and internal passages built to factory tolerances
- Direct bolt-on fit - Mounts at factory attachment points without adapter brackets
Specs
- Hard panel aluminum and plastic construction
- Automatic transmission models only
- Includes complete radiator assembly
What's Included
- Complete radiator assembly
Frequently Asked Questions
Will this radiator work with my automatic transmission cooler lines?
Yes — this radiator is engineered for automatic transmission models and includes integrated transmission cooling passages. The cooler lines connect at factory ports without modification.
Do I need to flush the cooling system before installing this?
Drain the old coolant completely and flush the block and hoses to remove debris. Refill with fresh coolant and bleed air from the system per your service manual before running the engine.
What hardware do I need to mount this?
The radiator uses factory mounting brackets and fasteners at the original attachment points. Confirm all mounting hardware is present on your existing brackets before installation — replace any damaged bolts or clips.
Your vehicle
Select a vehicle to check the supplied application records for this part.
Choose or change vehicle →Product reference & ordering help
Supplier & part identification
K2 Industries
| Option | SKU / part reference |
|---|---|
| Standard | K2-10449-TOY-006-EC |
Vehicle compatibility
Read the application years, model, trim, engine and exclusions in the description above. A make-level collection or product recommendation alone does not confirm fitment.
Request fitment help →Installation & specifications
Review the manufacturer’s specifications and installation notes above. Confirm required mounting hardware, tools and modifications before ordering. If instructions are not supplied, contact us with the part reference.
Shipping expectations
Processing and delivery vary by product, supplier and destination. Contact us to confirm timing for your part before planning an installation.
Shipping & delivery informationManufacturer warranty
Coverage and exclusions vary by manufacturer and part. Review the supplied product documentation or ask us for the applicable terms.
Warranty information