Rein ABV0291 Engine Crankcase Breather Hose - Air Duct To Idler Adjuster

OE-Style Crankcase Breather Hose

Rein ABV0291 is an engine crankcase breather hose for European applications that require a direct OE-style replacement. With a length of 109.22, it is built to match the original hose layout for clean routing in the emission control system.

Compatible with Mercedes-Benz 190E, 300E, 300TE, 300SE, 300SEL, 260E, and 300CE applications, this hose supports the air duct to idler adjuster connection used on the listed vehicles. The Rein ABV0291 part number is also useful when cross-referencing OE replacement needs for these Mercedes-Benz models.

• Engine crankcase breather hose for emission control service
• 109.22 length for OE-style routing and fit
• Direct replacement format for European vehicle applications
• Matches the original manufacturer layout for the listed Mercedes-Benz models
• Cross-reference: 1030941382

Fitment Details

• Fits 1987-1993 Mercedes-Benz 190E, Air Duct To Idler Adjuster
• Fits 1986-1993 Mercedes-Benz 300E, Air Duct To Idler Adjuster
• Fits 1988-1993 Mercedes-Benz 300TE, Air Duct To Idler Adjuster
• Fits 1988-1991 Mercedes-Benz 300SE, Air Duct To Idler Adjuster
• Fits 1988-1991 Mercedes-Benz 300SEL, Air Duct To Idler Adjuster
• Fits 1987-1989 Mercedes-Benz 260E, Air Duct To Idler Adjuster
• Fits 1988-1989 Mercedes-Benz 300CE, Air Duct To Idler Adjuster

What This Hose Helps Address

• Cracked or hardened breather hose material
• Oil vapor routing issues in the crankcase ventilation system
• Air leaks at the air duct to idler adjuster connection
• Improper hose fit after prior repair or replacement
• Emission control service needs on older Mercedes-Benz engines

Installation Notes

Verify the hose routing and connection points before installation, especially on Mercedes-Benz 190E, 300E, and 300TE applications. Compare the removed hose to Rein ABV0291 to confirm length and end placement, and inspect adjoining ducts and fittings for wear before reassembly.

Quality Assurance

Rein Automotive positions this hose as an OE-quality replacement for European vehicles, with dimensions and fitment aligned to the original equipment design. The ABV0291 part number is specified for direct replacement use on the listed applications.