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OE Quality
60-Day Returns
MotoradPart #: 6129KT
Motorad 6129KT Engine Coolant Thermostat Housing Assembly - Upper
20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$75.40Free Shipping
Free ShippingNo Cost to Continental U.S.
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Kit, Upper
Fitment: Mazda, 3, 3 Sport, 6, and CX-5
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Engine Coolant Thermostat Housing Assembly options
Motorad 6129KT Engine Coolant Thermostat Housing Assembly - Upper
| Brand | Motorad |
|---|---|
| Part Number | 6129KT |
| Position | Kit, Upper |
| Material | Acero inoxidable |
| Material | Cobre |
| Material | Copper |
| Material | Plastic |
| Material | Plástico |
| Material | Stainless steel |
| 10362 | No |
| MAP Controlled | No |
| Color | Black, silver |
| Color | Negro, plata |
| Inside Diameter | 1.90 |
| Inside Diameter | 48.26 |
| Gasket Or Seal Required | Yes |
| Valve Type | Disk |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | No |
| Mounting Hole Quantity | 3 |
| Bolt Hole Center To Bolt Hole Center | 1.84 |
| Bolt Hole Center To Bolt Hole Center | 2.43 |
| Bolt Hole Center To Bolt Hole Center | 2.49 |
| Bolt Hole Center To Bolt Hole Center | 46.74 |
| Bolt Hole Center To Bolt Hole Center | 61.72 |
| Bolt Hole Center To Bolt Hole Center | 63.25 |
| Terminal Quantity | 0 |
| Start to Open Temperature | 180.0 |
| Start to Open Temperature | 82.22 |
| Flange Length | 3.39 |
| Flange Length | 86.11 |
| Flange Thickness | 0.47 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Mazda | 3 | 2.5L | L4 | N/A | Kit |
| 2018 | Mazda | 3 Sport | 2.5L | L4 | N/A | Kit |
| 2018 | Mazda | 6 | 2.5L | L4 | N/A | Kit |
| 2017 | Mazda | 3 | 2.5L | L4 | Upper | Kit |
| 2017 | Mazda | 6 | 2.5L | L4 | N/A | Kit |
| 2016 | Mazda | 3 | 2.5L | L4 | N/A | Kit |
| 2016 | Mazda | 3 Sport | 2.5L | L4 | N/A | Kit |
| 2016 | Mazda | 6 | 2.5L | L4 | N/A | Kit |
| 2016 | Mazda | CX-5 | 2.5L | L4 | N/A | Kit |
| 2015 | Mazda | 3 | 2.5L | L4 | N/A | Kit |
| 2015 | Mazda | 3 Sport | 2.5L | L4 | N/A | Kit |
| 2015 | Mazda | 6 | 2.5L | L4 | N/A | Kit |
| 2015 | Mazda | CX-5 | 2.5L | L4 | N/A | Kit |
| 2014 | Mazda | 3 | 2.5L | L4 | N/A | Kit |
| 2014 | Mazda | 3 Sport | 2.5L | L4 | N/A | Kit |
| 2014 | Mazda | 6 | 2.5L | L4 | N/A | Kit |
| 2014 | Mazda | CX-5 | 2.5L | L4 | N/A | Kit |
| 2013 | Mazda | 3 | 2.0L | L4 | N/A | Kit |
| 2013 | Mazda | CX-5 | 2.0L | L4 | N/A | Kit |
| 2012 | Mazda | 3 | 2.0L | L4 | N/A | Kit |
* 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:
6129KT
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.