URO 1031580840 Engine Camshaft Adapter

Mercedes-Benz Engine Camshaft Adapter

This URO engine camshaft adapter is a direct replacement for the OE rotor adapter used on select Mercedes-Benz inline-six applications. It is built to restore proper spark delivery, smooth engine operation, and correct power output when the original part has failed.

• Direct replacement for the original distributor rotor adapter
• Supports OEM specifications for fit and alignment
• High-quality materials for engine heat and high-RPM environments
• Heat- and ozone-resistant construction
• Efficient conductor design helps maintain spark intensity while limiting current draw
• Guaranteed fitment for listed Mercedes-Benz applications
• 24 month unlimited mileage warranty

Application Details

Compatible with Mercedes-Benz 190E, 300E, 300TE, 300SE, 300SEL, 260E, and 300CE applications listed below. This part number, 1031580840, is also referenced as 103 158 0840 and URO-000317 for the same application.

• Fits 1987-1993 Mercedes-Benz 190E, from engine # 010119
• Fits 1990-1993 Mercedes-Benz 300E
• Fits 1990-1993 Mercedes-Benz 300TE
• Fits 1986-1992 Mercedes-Benz 300E, from engine # 149943
• Fits 1988-1992 Mercedes-Benz 300TE, from engine # 149943
• Fits 1988-1991 Mercedes-Benz 300SE, from engine # 079773
• Fits 1988-1991 Mercedes-Benz 300SEL, from engine # 079773
• Fits 1987-1989 Mercedes-Benz 260E, from engine # 061591
• Fits 1988-1989 Mercedes-Benz 300CE, from engine # 149943

What It Helps Correct

• Weak or inconsistent spark output
• Rough running after rotor adapter failure
• Loss of engine smoothness under load
• Reduced power delivery from worn ignition components
• Fitment issues caused by a damaged OE-style adapter

Installation Notes

Verify engine number and vehicle application before ordering, since several Mercedes-Benz models require specific engine breakpoints. This URO 1031580840 is a direct-fit replacement, so installation follows the original part location and appearance.

Quality Assurance

URO specifies high-quality materials and OEM-spec alignment for this replacement camshaft adapter. The part is backed by a 24 month unlimited mileage warranty.