Vaico V48-0178 Engine Coolant Reservoir Cap

Engine Coolant Reservoir Cap for Land Rover

The Vaico V48-0178 engine coolant reservoir cap is a direct-fit replacement for select Land Rover cooling system applications. It is built to maintain the specified 1.1 bar pressure rating and matches the reservoir dimensions listed for the application.

Compatible with 2003-2009 Land Rover Freelander, 2005-2009 Land Rover LR3, 2006-2009 Land Rover Range Rover, and 2006-2009 Land Rover Range Rover Sport, this cap supports proper coolant system sealing for OE-style service work. The VAICO product line focuses on replacement parts that follow vehicle-specific fitment and specification requirements.

Key Features

• Part number: V48-0178
• Engine coolant reservoir cap for Land Rover cooling systems
• Pressure rating: 1.1 bar
• Dimensions: 84 mm length, 84 mm width, 27 mm height
• Lightweight construction at 0.065 kg
• Fits reservoir applications with OE No. PCD000090
• Cross-references Monroe Shocks & Struts (e.g., PCD000090, PCD 000080) for the same application

Detailed Description

The Vaico V48-0178 coolant reservoir cap is specified for Land Rover vehicles that require a 1.1 bar reservoir cap at the coolant expansion tank. Its listed dimensions and pressure rating make it a practical OE-style replacement for service on the cooling system, helping maintain the reservoir seal and pressure control expected in the original application. This part number, V48-0178, is listed for Freelander, LR3, Range Rover, and Range Rover Sport fitments across the 2003-2009 model years.

VAICO replacement parts are organized for vehicle-specific applications, and this cap follows that approach with fitment tied to the reservoir location and OE reference PCD000090. For buyers searching for a Land Rover coolant reservoir cap, Land Rover expansion tank cap, or V48-0178 replacement, this listing provides the key specifications needed for a correct match.

What It Helps Address

• Coolant reservoir cap leakage at the expansion tank
• Loss of cooling system pressure
• Improper sealing at the reservoir opening
• Warning signs related to a worn or damaged coolant cap
• Replacement needs for OE No. PCD000090 applications

Installation Notes and Tips

Verify the OE reference and reservoir dimensions before installation. Confirm the cap matches the vehicle’s specified pressure rating of 1.1 bar and the reservoir location before replacing the existing part. Inspect the sealing surface and reservoir neck for wear, cracks, or contamination so the new cap can seat correctly.

• Fits 2005-2009 Land Rover LR3, reservoir
• Fits 2006-2009 Land Rover Range Rover, reservoir
• Fits 2006-2009 Land Rover Range Rover Sport, reservoir
• Fits 2004-2005 Land Rover Freelander, reservoir; From Chassis/VIN 3A289376
• Fits 2003 Land Rover Freelander, reservoir; From Chassis/VIN 3A291247

Quality Assurance

This VAICO part is cataloged with vehicle-specific dimensions, pressure specification, and OE reference data to support accurate replacement selection for Land Rover cooling system service.