BMW 1439110 Engine Coolant Reservoir Mount Plate Cooler 4.4L 4.8 Thermostat

( Manufacturer Part Number: 1439110 ), ( Performance Part: No )

Review BMW 4.4l 4.8 Engine Coolant Reservoir Mount Plate Cooler Thermostat fits E53 X5 2004–2006

BMW E53 X5 4.4L/4.8L Engine Coolant Reservoir Mount Plate Cooler Thermostat (Part Number: BMW 1439110)

Experience unparalleled performance and reliability with our BMW 1439110 Engine Coolant Reservoir Mount Plate Cooler Thermostat, specifically designed for the BMW E53 X5 models from 2004 to 2006 with 4.4L and 4.8L engines. This crucial component is an essential part of your vehicle's cooling system, maintaining optimal engine temperature for enhanced performance and longevity.

Manufactured to the highest standards, this thermostat features a robust design that ensures durability and resistance to the harsh conditions encountered in your engine bay. The thermostat housing is precision-engineered to seamlessly integrate with your vehicle's coolant reservoir, maintaining a snug and secure fit.

The thermostat's core function is to regulate the flow of coolant between the engine and radiator. It opens when the engine reaches operating temperature, allowing coolant to flow and dissipate heat. When the engine cools down, the thermostat closes, preventing excessive coolant flow and heat loss. This cyclic process is critical for maintaining the ideal engine temperature for optimal performance.

Replacing a faulty or worn-out thermostat is crucial for maintaining your vehicle's performance and longevity. Our BMW 1439110 Engine Coolant Reservoir Mount Plate Cooler Thermostat is an OEM (Original Equipment Manufacturer) replacement, ensuring a perfect fit and function for your BMW E53 X5.

Installation is straightforward, following the instructions in your vehicle's service manual. However, if you're unsure or lack the necessary tools, we recommend seeking professional assistance to ensure proper installation and avoid any potential complications.

Invest in our BMW 1439110 Engine Coolant Reservoir Mount Plate Cooler Thermostat today and enjoy the peace of mind that comes with knowing your BMW E53 X5 is running at its best.

**Product: BMW E53 X5 4.4L/4.8L Coolant Reservoir Mount Plate, Cooler, Thermostat**

1. **Original Equipment Manufacturer (OEM) Part:** This part is an original BMW component, ensuring it fits perfectly and matches the vehicle's quality and performance.

2. **Durability:** BMW is known for its high-quality parts, and this coolant reservoir mount plate is no exception. It should last a long time with proper maintenance.

3. **Complete Kit:** The package includes the coolant reservoir mount plate, cooler, and thermostat, making it a one-stop solution for replacing these components.

4. **Reliable Source:** Buying from a reputable seller, such as a trusted auto parts supplier, minimizes the risk of receiving a counterfeit or low-quality part.

1. **Cost:** As an original BMW part, this component may be more expensive compared to aftermarket alternatives.

2. **Availability:** Depending on the seller and location, this part may not always be readily available, leading to potential delays in repairs.

3. **Installation Complexity:** Given the location of the coolant reservoir and the number of components being replaced, installation could be a complex process that requires a certain level of automotive knowledge or professional assistance.

Purchasing the BMW E53 X5 4.4L/4.8L Coolant Reservoir Mount Plate, Cooler, Thermostat offers the advantage of OEM quality and reliability. However, the cost and potential installation complexity are factors to consider. If you prioritize genuine BMW parts and have the necessary resources for installation, this part could be a good choice. If cost is a concern, researching aftermarket alternatives may be beneficial.

Details:

Please refer to pictures for item condition.

part #: 1439110 prices

• $34.01-$96.98

specifications ocoosys:

• for models: E53, X5
• for makes: Bmw
• for years: 2004-2006
• mpn: 1439110
• performance part: No

offer ocoosys:

• started: August 25, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: Used

seller ocoosys:

• rating: 100.0%
• city: East Setauket, New York
• # reviews: 18609

shipping ocoosys:

• service: Economy, Standard, USPS Priority Mail
• class: Economy, Standard, Expedited
• type: Fixed
• transit: 3-8 Days
• carrier: USPS
• cost: $0.00

payments ocoosys:

• other
• wallet: Apple-pay
• credit card: Discover

returns ocoosys:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days

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