Rein ABV0259 Engine Crankcase Breather Hose - Valve Cover To Valve Cover

OE Breather Hose for Audi and Volkswagen

The Rein ABV0259 engine crankcase breather hose is an OE-quality replacement for European vehicles that need a direct-fit crankcase ventilation hose. Built to match original equipment design specifications, it is made for the valve cover to valve cover routing used on select Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, and Volkswagen Passat models.

Rein ABV0259 is a practical choice when replacing a worn, cracked, or oil-soaked breather hose on a 1997-2001 Audi A4 or related applications. The direct-fit design supports straightforward installation and restores the factory-style hose routing.

Key Features

• Matches original equipment design specifications.
• Manufactured with high-quality materials.
• Direct fit for easier installation.
• Resistant to heat, salt, road debris, oil, and other contaminants.
• OE-quality replacement for crankcase ventilation service.

Detailed Product Overview

This Rein breather hose is built as an OE-style replacement for the crankcase ventilation system, with form, fit, and function aligned to the original part. Rein ABV0259 is designed for valve cover to valve cover routing and is listed for 1997-2001 Audi A4, 1998-2001 Audi A4 Quattro, 1998-2001 Audi A6, 1998-2001 Audi A6 Quattro, and 1998-2001 Volkswagen Passat. If you are searching for a breather hose for Audi A4 valve cover to valve cover applications or a Volkswagen Passat crankcase ventilation hose, this part number is a direct-reference option.

This part cross-references URO 078103224R for the same application.

Common Problems This Part Can Address

• Cracked or split crankcase breather hose.
• Oil residue around the valve cover ventilation routing.
• Vacuum leaks caused by deteriorated hose material.
• Restricted crankcase ventilation flow from a damaged hose.
• Improper hose fit after a previous replacement.

Installation Notes and Tips

Verify the vehicle year, make, model, and valve cover to valve cover routing before installation. Inspect adjoining crankcase ventilation components, hose connections, and sealing surfaces for wear or contamination before fitting the new hose. Because this is an application-specific direct replacement, confirm the OE part number and routing on the vehicle before ordering.

Quality Assurance

Rein Automotive positions this hose as an OE-quality replacement built to mirror the original part in form, fit, and function. Part number ABV0259 is backed by a 24-month or 24,000-mile warranty.