049 109 111C – Camshaft Gear

Description

The 049109111C Camshaft Gear is an OEM-quality timing component engineered to maintain precise synchronization between the camshaft and crankshaft in compatible Volkswagen and Audi engines. This 049109111C Camshaft Gear drives the camshaft at exactly half crankshaft speed, ensuring intake and exhaust valves open and close at the correct moment in the combustion cycle. Consequently, accurate valve timing is essential for proper engine performance, fuel efficiency, and emissions compliance.

This gear is precision-machined to OE tolerances for reliable engagement with the timing belt. Furthermore, it is manufactured from durable materials that resist wear and maintain dimensional stability under continuous thermal and mechanical stress. Therefore, replacing a damaged or worn unit with this 049109111C Camshaft Gear restores factory-correct timing and protects the entire valvetrain from further damage.

Why It Matters

The camshaft gear is one of the most mechanically critical components in the engine timing system. Even minor damage to the gear teeth or hub can introduce timing errors measured in degrees of crankshaft rotation. Consequently, these small deviations translate directly into poor combustion efficiency, reduced power output, and increased fuel consumption.

Moreover, a cracked or deformed gear can cause the timing belt to skip teeth or slip under load. If this occurs, however, the resulting valve-to-piston contact can cause catastrophic internal engine damage. Therefore, inspecting and replacing the camshaft gear during every timing belt service is a sound preventive measure that protects the entire engine.

Signs of Failure

Replace the camshaft gear promptly if you observe any of the following conditions:

• Visible cracks, chipped teeth, or deformation on the gear surface during inspection.

• Timing belt showing uneven wear patterns, fraying, or lateral tracking issues.

• Engine exhibiting rough idle, misfires, or noticeable loss of power across the RPM range.

• Difficulty starting the engine or inconsistent cold-start performance.

• Stored fault codes related to camshaft or crankshaft position sensor correlation errors.

• Gear hub showing signs of wobble, looseness, or damage from improper removal during prior service.

Key Features

• OE Part Number: 049 109 111 C

• Function: Drives the camshaft in precise synchronization with the crankshaft via the timing belt.

• Material: Precision-machined for dimensional accuracy and long-term durability under thermal stress.

• Fitment: Direct OE-style replacement requiring no modifications for installation.

• Service Benefit: Restores factory-correct valve timing and protects the valvetrain from timing errors.

• Recommended Service: Replace during every scheduled timing belt service interval.

Service Notes

Always verify fitment by VIN before ordering. This gear should be inspected and replaced as part of every complete timing belt service. Additionally, never reuse a gear that shows any visible damage, even if the damage appears minor.

Compatibility

Always verify fitment by VIN before ordering. This gear is primarily used on older Volkswagen and Audi inline-four engines.

Cross Reference Numbers

• 049 109 111 C

Additional information