Dayco PB1694N Engine Harmonic Balancer

Dayco Premium OEM Replacement Balancer PB1694N

The Dayco PB1694N is a premium OEM replacement harmonic balancer built for select Audi applications. It features a neutral balance design, a steel outer ring, and integrated serpentine pulley construction for direct-fit engine service.

Key Features

• Brand: Dayco Premium OEM Replacement Balancer
• Part number: PB1694N
• Engine harmonic balancer with neutral, no-counterweight balance
• Steel outer ring construction
• One integrated pulley with 6-groove serpentine design
• Timing marks included for service alignment
• 8 bolt holes and 24.08 mm crank bore
• Overall outside diameter: 166.70 mm (6.563 in.)
• Overall width: 37.00 mm (1.457 in.)

Detailed Description

Dayco PB1694N is an engine harmonic balancer for Audi A4, Audi A4 Quattro, Audi A5 Quattro, Audi A6, Audi A6 Quattro, and Audi Q5 applications listed below. The neutral balance configuration, steel outer ring, and serpentine pulley layout support proper crankshaft vibration control and accessory drive operation in the specified vehicles. Timing marks are included to assist with engine service and alignment. This part number, PB1694N, is a direct replacement option for owners servicing select 2005-2012 Audi models.

Compatible fitment includes Fits 2005-2009 Audi A4 Quattro, N/A; Fits 2006-2008 Audi A4, N/A; Fits 2005-2008 Audi A6 Quattro, N/A; Fits 2006-2011 Audi A6, N/A; Fits 2008-2010 Audi A5 Quattro, N/A; and Fits 2009-2012 Audi Q5, N/A.

What It Is Used For

• Replacing a worn or damaged harmonic balancer on the crankshaft
• Restoring proper engine vibration damping
• Addressing pulley wobble or accessory drive irregularity
• Supporting accurate timing reference during engine service
• Servicing Audi engines with a 6-groove serpentine pulley setup

Installation Notes and Tips

Verify crank bore, bolt-hole count, pulley groove count, and timing-mark orientation before installation. Inspect the crankshaft snout, accessory drive alignment, and surrounding components for wear or damage before fitting the balancer. Hardware, installation instructions, and woodruff key are not included.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built as an OE-style service part for applications that require factory-matched fit and function. Confirm vehicle year, model, and engine configuration against the listed fitment before ordering PB1694N.