MERCEDES 178-070-04-01 High Pressure Pump Benz

( Part Type: Pressure Pump ), ( Manufacturer Part Number: 178-070-04-01 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Mercedes-benz ), ( Year: 2016 2017 2018 2019 2020 ), ( Replaces Part Number: 178-070-04-01-80 )

Review MERCEDES benz Genuine High pressure Pump fits 2016–2020

The Mercedes-Benz 178-070-04-01 high-pressure pump is an essential component of the Mercedes-Benz diesel engine cooling system. This pump plays a crucial role in circulating coolant through the engine to maintain optimal operating temperature.

The pump housing is made of grey cast iron, which provides excellent durability and resistance to thermal shock. The impeller, located within the housing, is designed to handle high-pressure coolant flow with precision and efficiency. The impeller blades are carefully machined to ensure a perfect fit and minimal clearance, reducing the potential for leaks and ensuring reliable operation.

The 178-070-04-01 high-pressure pump features a dual-vane pump design, which provides a more consistent and stable coolant flow compared to single-vane pumps. The vane design also allows for greater pump efficiency, which can lead to improved fuel economy and reduced emissions.

The pump is driven by the engine's timing belt, which means that it requires periodic replacement to ensure continued reliability. The timing belt drive system includes a tensioner and idler pulleys, which help maintain proper belt tension and prevent slippage.

The 178-070-04-01 high-pressure pump is designed to meet the stringent requirements of Mercedes-Benz diesel engines, ensuring optimal cooling performance and longevity. The pump is also backed by the Mercedes-Benz quality promise, providing peace of mind to vehicle owners.

Installing the 178-070-04-01 high-pressure pump requires specialized knowledge and tools, so it is recommended that the replacement be performed by a qualified Mercedes-Benz technician. Proper installation and maintenance of this pump are essential for maintaining the overall health and performance of your Mercedes-Benz diesel engine.

Mercedes-Benz 178-070-04-01 High-Pressure Pump: A Comprehensive Analysis

The Mercedes-Benz 178-070-04-01 high-pressure pump is an essential component of Mercedes-Benz vehicles, particularly those with diesel engines. This article aims to provide an unbiased analysis of the pros and cons of purchasing this part, helping you make an informed decision.

1. Durability: Mercedes-Benz is renowned for manufacturing high-quality parts that last long. The high-pressure pump is designed to withstand the rigors of continuous operation and is built to last.

2. Efficiency: This pump delivers fuel at high pressure to the engine, ensuring optimal combustion and improved engine performance.

3. Reliability: The Mercedes-Benz 178-070-04-01 high-pressure pump is a reliable component that functions consistently, ensuring smooth operation of your vehicle.

4. Original Equipment Manufacturer (OEM) Part: Purchasing an OEM part guarantees that it is designed specifically for your vehicle and will fit and function perfectly.

1. Cost: Original equipment manufacturer (OEM) parts can be quite expensive compared to aftermarket alternatives.

2. Availability: Due to their high quality and specificity, OEM parts can be harder to find, especially in local auto parts stores.

3. Complex Repair: Replacing the high-pressure pump can be a complex process that requires specialized tools and knowledge.

The Mercedes-Benz 178-070-04-01 high-pressure pump is an essential component for Mercedes-Benz vehicles with diesel engines that delivers several advantages, including durability, efficiency, reliability, and the guarantee of a perfect fit as an OEM part. However, its high cost and potential availability issues are significant drawbacks. Ultimately, the decision to purchase this part depends on your budget, vehicle usage, and personal preference for original equipment manufacturer parts.

If budget is not a concern and you prioritize the peace of mind that comes with using OEM parts, the Mercedes-Benz 178-070-04-01 high-pressure pump is an excellent choice. If cost is a concern, consider exploring aftermarket alternatives or rebuilding the existing pump, which can be a more cost-effective solution. However, be aware that aftermarket parts may not offer the same level of quality, fit, and function as OEM parts. Ultimately, it's essential to weigh the pros and cons and make a decision based on your unique circumstances.

Details:

Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging.

part #: 1780700401 prices

• $1050.17-$1130.35

specifications pumpunite:

• for makes: Mercedes
• for years: 2016-2020
• part type: Pressure Pump
• manufacturer part number: 178-070-04-01
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Mercedes-benz
• year: 2016 2017 2018 2019 2020
• replaces part number: 178-070-04-01-80

offer pumpunite:

• quantity: 2
• availability: In Stock
• sold: 0
• started: November 3, 2025
• options: Ship-to-home

general pumpunite:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units
• condition: New

returns pumpunite:

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

seller pumpunite:

• # reviews: 3088
• rating: 99.3%
• city: Warwick, Rhode Island

payments pumpunite:

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

shipping pumpunite:

• transit: 3-9 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery, FedEx 2Day
• class: Standard, Expedited
• type: Fixed
• cost: $0.00

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