K2 Industries
98-03 Toyota Sienna Coolant Recovery Tank
98-03 Toyota Sienna Coolant Recovery Tank
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98-03 Toyota Sienna Coolant Recovery Tank
Direct replacement coolant recovery tank for 1998–2003 Sienna models. Hard panel construction handles thermal cycling without warping. Designed to mount at factory locations with OEM-style connections.
Key Features
- OEM-equivalent capacity - Maintains proper coolant level without overflow or underfill risk.
- Hard panel construction - Resists thermal stress from repeated heating and cooling cycles.
- Factory connection points - Mounts at existing attachment locations; no modifications required.
Specs
- Material: Hard panel construction
- Condition: New
- Quantity: 1 tank assembly
Whats Included
- Coolant recovery tank assembly
Frequently Asked Questions
Do I need to drain the cooling system before installation?
Yes. Drain the coolant from the old tank before removal. Once installed, refill with the coolant type specified in your service manual — do not mix types.
Will this tank connect to the radiator hose without adapters?
It uses factory connection points and hose diameters. Verify the condition of existing hoses during install; replace any that show cracks or brittleness.
What tools do I need to remove the old tank and install this one?
Basic hand tools — a socket set and screwdrivers. Drain pan recommended. Refer to your vehicle's service manual for bolt torque specs and exact removal sequence.

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