MERCEDES OM904-WATERPUMP Om Water Pump

( Manufacturer Part Number: OM904-WATERPUMP ), ( Type: Water Pump )

Review MERCEDES Om 904 Water Pump

The Mercedes-Benz OM904 water pump is an essential component of the engine cooling system in various Mercedes-Benz vehicles equipped with the OM904 engine. This water pump ensures the continuous circulation of coolant throughout the engine, maintaining an optimal operating temperature.

The OM904 water pump is a compact, robust, and efficient design, specifically engineered to meet the demanding requirements of high-performance Mercedes-Benz engines. It is manufactured using premium materials, including a durable cast aluminum housing and high-quality impeller blades made of engineering-grade plastic.

The impeller is designed to provide an efficient cooling flow rate, ensuring that the engine stays cool under various driving conditions. It features a multi-lobed, open impeller design, which facilitates smooth and efficient coolant flow. The impeller is also dynamically balanced to minimize vibrations and ensure quiet operation.

The water pump utilizes a reliable belt-driven system for power transmission. The drive belt securely connects the water pump to the engine's crankshaft, allowing the water pump to function as the engine turns. The drive belt is reinforced for added strength and durability, ensuring reliable operation even under heavy loads.

The OM904 water pump also features a robust, pressure-tested water pump housing. The housing is designed to withstand the high pressures generated within the cooling system while maintaining a tight seal to prevent coolant leaks. The housing is also equipped with a sturdy impeller shaft, which is supported by durable bearings to ensure long-lasting performance.

The Mercedes-Benz OM904 water pump is a crucial part of the engine cooling system, and its reliable operation is essential for the overall performance and longevity of your Mercedes-Benz vehicle. Regular maintenance, including the replacement of the water pump when needed, can help ensure the continued optimal performance of your engine and vehicle.

The Mercedes OM904 water pump is a crucial component of the engine cooling system for certain Mercedes-Benz models. Here are some pros and cons that might help you decide whether to buy this water pump:

1. High-Quality Part: Mercedes-Benz is renowned for its engineering excellence, and the OM904 water pump is no exception. It is designed to meet the exacting standards of Mercedes-Benz, ensuring reliable and efficient cooling.

2. Long-Lasting: Mercedes water pumps are known for their durability. The OM904 water pump is made of high-quality materials and is engineered to last, reducing the need for frequent replacements.

3. Improved Engine Performance: A faulty water pump can lead to overheating, which can cause significant damage to the engine. By replacing the old water pump with a new one, you can ensure that your engine runs efficiently and effectively, improving overall performance.

1. Cost: Mercedes-Benz parts, including the OM904 water pump, can be quite expensive compared to aftermarket alternatives. This might be a significant deterrent for some buyers, especially those working on a tight budget.

2. Availability: Depending on where you live, it might be challenging to find a local Mercedes dealer or authorized repair shop that carries the OM904 water pump. This could lead to delays in getting the part, which could be frustrating for those who need the part urgently.

3. Installation Complexity: Installing a Mercedes water pump can be a complex process, especially for those who are not mechanically inclined. It may require specialized tools and knowledge, which could add to the overall cost and time required to complete the repair.

The Mercedes OM904 water pump is a high-quality, long-lasting part that can help improve engine performance and prevent costly repairs due to engine damage caused by overheating. However, it comes with a higher price tag than aftermarket alternatives and may be difficult to find and install for some buyers. Ultimately, the decision to buy the OM904 water pump depends on your budget, availability, and level of mechanical expertise. If you can afford it and have access to a Mercedes dealer or authorized repair shop, it might be worth the investment for the peace of mind that comes with using a genuine Mercedes part. Alternatively, if you're working on a tight budget or lack the necessary resources to install the part yourself, an aftermarket alternative might be a more cost-effective solution.

Details:

Cooling system must be properly flushed and filled with new coolant mixture. Limited 36-Month Warranty. Bolt-On Radiators. The transmission fluid and filter are not replaced at time of installation with OEM recommended.

Complete Industrial or HD Radiator. If you are unsure, ask. Timing belts, water pump, thermostat, fluids and seals are routine maintenance items should be replaced at the time of installation vehicle manufacturers recommended service intervals. The vehicle is not serviced at proper intervals, or fuel/oil/coolant used in accordance with the manufacturers specifications.

Warranty does not include cost associated with part removal, installation, inconvenience or consequential damages. To validate the above warranty coverage, following measures must be undertaken upon replacement of Complete Radiators, Radiator Cores and/or Charge Air Coolers. All external causes that can lead to electrolysis and/or corrosion must be verified and eliminated. The installed heat tab is melted or removed.

Refer to the vehicle manufacturers. Owners Manual for correct operation and maintenance schedule. It is highly recommended to use distilled water and it mandatory for all aluminum cooling components. Appropriate maintenance receipts required. Failure is caused by towing a trailer or other vehicle unless your equipped for this purpose as recommended the manufacturer.

The part fails or becomes defective due to the vehicle being involved in a collision. Find new, reconditioned, rebuilt, and used semi-truck parts for Class 5 through Class 8. Plastic Aluminum Radiators - Aftermarket. Our climate control line for industrial and heavy duty vehicles includes Radiators, Radiator Cores, Condensers Charge Air Coolers.

Bumpers Peel Warranty. Failure is caused by or related to a collision, fire, theft, vandalism, riot, explosion, lightning, earthquake, windstorm, hail, water, freezing flood. Or improper maintenance The part is installed or operated in a vehicle outside of the USA Canada.

Failure is caused by abuse, misuse, or modifications. Using the incorrect types and levels of fluids lubricants as outlined in vehicles Owners Manual. Proper operation of the cooling and electrical system must be checked during installation products that can affected by those systems. Some states do not allow exclusion or limitation of incidental consequential damages, so the above may apply to you.

Excluding Bar Plate which carry a Limited Lifetime Warranty. Limited 24-Month Warranty. Must be documented. Electrical, electronic, and/or mechanical devices, such as; thermostat, sensors, gauges, sending units, water pump and devices used to monitor maintain optimal engine temperature, must be verified for proper operation.

Bar Plate Charge Air Cooler. Limited 12-Month Warranty.

part #: om904 prices

• $137.11-$449.99

specifications coenginecooling:

• for makes: Mercedes
• mpn: Om904-waterpump
• type: Water Pump

offer coenginecooling:

• sold: 0
• quantity: 6
• availability: In Stock
• started: July 15, 2025
• options: Ship-to-home

payments coenginecooling:

• other
• wallet: Paypal
• credit card: Diners-club

general coenginecooling:

• Commercial Truck Parts > Engine Cooling > Water Pumps Kits
• condition: Used

returns coenginecooling:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

seller coenginecooling:

• rating: 96.2%
• city: Lansing, IL
• # reviews: 1727

shipping coenginecooling:

• service: Flat Rate Freight
• type: Fixed
• cost: $0.00
• class: Freight
• transit: 14-17 Days

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