If you are shopping for thermostat housings for the 2006 Toyota Highlander, fit comes first. 2 of the 5 listings below state a fit for 2006 Toyota Highlander, 3 need a closer check. Compare the listing’s year range, side and part number with your vehicle or old part before you order.
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| Water Distribution Pipe Thermostat Cover for Toyota Highlander (PG-1885345) | ![]() | Listed fit: 2001-2007 Toyota Highlander | Listed fit: 2001-2007 Toyota Highlander | Material: materials | Other detail: Part Type: Water distribution pipe thermostat cover | VIEW LATEST PRICE | Read Our Analysis |
| Dorman Outer Engine Coolant Thermostat Housing | ![]() | Check fit – multi-model listing that does not name the highlander | Listed fit: Select Lexus/Toyota | Material: construction | Other detail: Part Type: Thermostat housing | VIEW LATEST PRICE | Read Our Analysis |
| AISIN THP-101 Engine Coolant Thermostat Housing Gasket | ![]() | Check fit – multi-model listing that does not name the highlander | Listed fit: Select Lexus/Toyota/Scion | Material: materials | Other detail: Part Type: Thermostat housing gasket | VIEW LATEST PRICE | Read Our Analysis |
| Water Distribution Pipe Thermostat Cover for Toyota Highlander (PG-1885345) | ![]() | Listed fit: 2001-2007 Toyota Highlander | Listed fit: 2001-2007 Toyota Highlander | Material: Protective materials | Other detail: Part Type: Water distribution pipe thermostat cover | VIEW LATEST PRICE | Read Our Analysis |
| Dorman Engine Coolant Thermostat Housing for Lexus/Toyota/Scion | ![]() | Check fit – multi-model listing that does not name the highlander | Listed fit: Select Lexus/Toyota/Scion | Material: Metal | Other detail: Part Type: Thermostat housing | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Water Distribution Pipe Thermostat Cover for Toyota Highlander (PG-1885345)
Listed as Water Distribution Pipe Thermostat Cover for Toyota Highlander (PG-1885345). Stated fitment: 2001-2007 Toyota Highlander. Material: materials. Part Type: Water distribution pipe thermostat cover. Details come from the Amazon listing; confirm year, side and part number on the listing before ordering.
- Fitment:2001-2007 Toyota Highlander
- Part Type:Water distribution pipe thermostat cover
- Material:materials
- Brand:Sawyer Auto
Pros
- Stated fitment: 2001-2007 Toyota Highlander
- Material: materials
- Part Type: Water distribution pipe thermostat cover
Cons
- Confirm side, trim and part number before ordering
Dorman Outer Engine Coolant Thermostat Housing
Listed as Dorman Outer Engine Coolant Thermostat Housing. Stated fitment: Select Lexus/Toyota. Material: construction. Part Type: Thermostat housing. Multi-model listing that does not name the highlander. Confirm fitment with the seller or the part number before ordering.
- Fitment:Select Lexus/Toyota
- Part Type:Thermostat housing
- Material:construction
- Brand:Dorman
Pros
- Stated fitment: Select Lexus/Toyota
- Material: construction
- Part Type: Thermostat housing
Cons
- Multi-model listing that does not name the highlander
- Confirm fit before ordering
AISIN THP-101 Engine Coolant Thermostat Housing Gasket
Listed as AISIN THP-101 Engine Coolant Thermostat Housing Gasket. Stated fitment: Select Lexus/Toyota/Scion. Material: materials. Part Type: Thermostat housing gasket. Multi-model listing that does not name the highlander. Confirm fitment with the seller or the part number before ordering.
- Fitment:Select Lexus/Toyota/Scion
- Part Type:Thermostat housing gasket
- Material:materials
- Brand:AISIN
Pros
- Stated fitment: Select Lexus/Toyota/Scion
- Material: materials
- Part Type: Thermostat housing gasket
Cons
- Multi-model listing that does not name the highlander
- Confirm fit before ordering
Water Distribution Pipe Thermostat Cover for Toyota Highlander (PG-1885345)
Listed as Water Distribution Pipe Thermostat Cover for Toyota Highlander (PG-1885345). Stated fitment: 2001-2007 Toyota Highlander. Material: Protective materials. Part Type: Water distribution pipe thermostat cover. Details come from the Amazon listing; confirm year, side and part number on the listing before ordering.
- Fitment:2001-2007 Toyota Highlander
- Part Type:Water distribution pipe thermostat cover
- Material:Protective materials
- Brand:Sawyer Auto
Pros
- Stated fitment: 2001-2007 Toyota Highlander
- Material: Protective materials
- Part Type: Water distribution pipe thermostat cover
Cons
- Confirm side, trim and part number before ordering
Dorman Engine Coolant Thermostat Housing for Lexus/Toyota/Scion
Listed as Dorman Engine Coolant Thermostat Housing for Lexus/Toyota/Scion. Stated fitment: Select Lexus/Toyota/Scion. Material: Metal. Part Type: Thermostat housing. Multi-model listing that does not name the highlander. Confirm fitment with the seller or the part number before ordering.
- Fitment:Select Lexus/Toyota/Scion
- Part Type:Thermostat housing
- Material:Metal
- Brand:Dorman
Pros
- Stated fitment: Select Lexus/Toyota/Scion
- Material: Metal
- Part Type: Thermostat housing
Cons
- Multi-model listing that does not name the highlander
- Confirm fit before ordering
How to Check Fit for thermostat housings for the 2006 Toyota Highlander

Fit is the main risk with this kind of part. Before you order:
- Check the year range and generation on the listing, not only the product title.
- Check the side, position and trim if the part is not universal.
- Compare the part number with your old part, or ask a Toyota dealer to confirm it from your VIN.
- Read the seller’s return policy and keep the packaging until the part is fitted.
Engine-area parts differ by engine (four-cylinder or V6) and by year, so match the engine as well as the model year. Work on a cold engine, follow the torque and procedure in the service manual, and replace gaskets and seals with the correct type.
Frequently Asked Questions
How can I confirm that a listing fits my Toyota Highlander?
Check the year range, side, trim and part number on the listing against your vehicle or your old part. If you are unsure, a Toyota dealer can confirm the part number from your VIN, and the seller can answer fit questions before you buy.
What if a listing does not state my year?
Treat it as unconfirmed. Ask the seller to confirm fit, compare the part number with your old part, and check the return policy before ordering.
Should I buy an OEM or an aftermarket part?
OEM parts follow the manufacturer’s specification and part number. Aftermarket parts can cost less but vary by seller, so compare the fitment note and the return policy and choose what suits your budget and the job.
Can I install it myself?
Many simple cover and trim parts can be fitted at home, but parts near the engine, airbags or electrical systems may need tools or a professional. Follow the service manual for your vehicle and stop if a step is unclear.
Conclusion
Start with the listings that state your year, side and part number, treat the Also consider items as reference only, and confirm fit on Amazon before you buy.



