Corteco 80001120 Engine Crankshaft Pulley

Corteco Engine Crankshaft Pulley 80001120

The Corteco 80001120 engine crankshaft pulley is a direct-fit replacement for select Audi and Volkswagen applications with start-stop function. Built to OE-style specifications, it features a 143 mm outer diameter, 5 ribs, and a 6PK belt parameter for proper accessory drive alignment.

Key Features

• Engine crankshaft pulley for cylinder block component applications
• 143 mm outer diameter for OE-style fitment
• 5-rib design with 6PK belt parameter
• Includes mounting manual
• For vehicles equipped with start-stop function
• Part number: 80001120

Detailed Description

Corteco 80001120 is an engine crankshaft pulley engineered for vehicles that rely on accurate belt drive operation and stable accessory rotation. The pulley’s 143 mm diameter and 5-rib configuration support correct belt tracking on compatible Audi A3, A4, A5, Q5, TT, Q7, S3, and Volkswagen GTI, Tiguan, Jetta, Beetle, Passat, and related models listed in the fitment data. This part cross-references OE and aftermarket numbers such as 06H 105 243 C and DPF357.17 for the same application.

Use this pulley when servicing the front-end accessory drive on vehicles with start-stop systems, where consistent crankshaft pulley performance is important for belt operation and engine accessory synchronization. The 80001120 reference is also useful when matching replacement parts by OE number during repair planning.

What It Is Used For

• Restoring proper crankshaft pulley operation after wear or damage
• Correcting belt alignment issues on 6PK accessory drive systems
• Addressing noise from a worn or out-of-spec pulley
• Replacing a pulley on start-stop equipped Audi and Volkswagen engines
• Supporting stable accessory drive performance in daily driving

Installation Notes and Tips

Verify the 143 mm outer diameter, 5-rib layout, and 6PK parameter before installation. Confirm vehicle equipment for start-stop function and compare the OE number against the existing part to ensure correct application. Follow the included mounting manual and inspect the belt, tensioner, and adjacent drive components during service.

Quality Assurance

Corteco is an established aftermarket brand for engine and sealing components, and this pulley is supplied with application-specific fitment data to support accurate replacement selection. Part number 80001120 should be matched to the vehicle’s OE reference and engine configuration before installation.