Ford Transit Mk8 2.2 TDCI Diesel Water Coolant Pump BK3Q-8A558-CC

Ford Transit Mk8 2.2 TDCI Diesel Water Coolant Pump is an original component from the Water pumps group, designed for the cooling system of a diesel engine. This used OEM part ensures a factory-fit for the diesel engine, maintaining proper coolant flow parameters and stable thermal operation of the powertrain.

Specifications and technical data

• SKU: BK3Q-8A558-CC
• Mark: Ford
• Condition: Used
• OEM Part Number: BK3Q-8A558-CC
• Substitutable numbers: BK3Q-8A558-CC, BK3Q8A558CC
• Fuel type: Diesel
• Category: Water Pumps

Purpose and function in the cooling system

The water coolant pump is responsible for the forced circulation of fluid within the engine, radiator, and hoses, which allows for maintaining the optimal operating temperature of the 2.2 TDCI unit. In diesel engines, stable cooling is crucial for the durability of the cylinder head, seals, and turbocharger, as well as for maintaining correct combustion parameters.

The original pump design for the Ford Transit Mk8 is engineered for specific thermal loads and flow characteristics of the diesel engine, ensuring that the cooling system operates predictably, without the risk of localized overheating or cavitation in the fluid circuit.

Benefits of using an original pump

Using a factory water coolant pump in the Transit Mk8 2.2 TDCI allows for compliance with the vehicle manufacturer's specifications. In practice, this means:

• proper coolant circulation across the full RPM range of the diesel engine,
• better compatibility with the thermostat and radiator,
• reduced risk of overheating under heavy loads (driving with cargo, highway routes),
• maintenance of a stable operating temperature, which promotes the longevity of the powertrain.

A used OEM pump is a cost-effective solution that is technically matched to the specifics of the Transit Mk8 with a diesel engine, without the need for any adaptations or modifications to the cooling system.

Compatibility and part identification

The item comes from the Ford brand and is assigned to the Water pumps group dedicated to diesel engines in the Transit Mk8 model. This makes it easy to verify using catalog data and match it to a specific vehicle configuration, taking into account the engine type and equipment version.

When selecting a pump, it is worth paying attention to compatibility with the 2.2 TDCI Diesel unit and the mounting parameters specified by the manufacturer, which facilitates trouble-free replacement in the workshop and limits downtime for the commercial vehicle.

Condition, installation, and operation

The pump is offered as a used part, which in the case of commercial vehicles often represents a reasonable compromise between cost and functionality. With proper installation, using appropriate seals and fresh coolant, it can effectively restore the efficiency of the cooling system in the Transit Mk8.

It is recommended that the installation be performed by a workshop with experience in Ford diesel engines, following the manufacturer's procedures – correct tightening torque, system bleeding, and leak testing after the first start-up.

Expansion of cooling and fuel system service

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other components from the same group, such as additional pumps, housings, or parts cooperating with the fluid circuit, check the available parts in the Ford Water pumps category.

When servicing a diesel unit, it is worth simultaneously taking care of the fuel supply system, as efficient cooling and proper fuel delivery directly affect engine durability. To better plan service work and component selection by catalog numbers, the article describing the diagnostics and operation of supply components will be helpful – details can be found in the material Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Summary

Ford Transit Mk8 2.2 TDCI Diesel Water Coolant Pump is a factory-designed cooling system component for a diesel engine that allows for maintaining a stable operating temperature of the powertrain. Choosing a used OEM pump from the Water pumps group is a technically safe and economical solution, especially in intensively used commercial vehicles where both reliability and rational maintenance costs are important.