Dayco PB1184N Engine Harmonic Balancer

Dayco Premium OEM Replacement Balancer PB1184N

The Dayco PB1184N is a premium OEM replacement engine harmonic balancer built for direct-fit service on select Ford, Mazda, Mercury, and Lincoln applications. It features a neutral balance design, a cast iron outer ring, and timing marks for accurate engine service and crankshaft alignment.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for durable engine service
• Single integrated serpentine pulley with 6 grooves
• Timing marks included for setup and verification
• 3-bolt hole configuration
• Crank bore: 1.249 in. (31.71 mm)
• Overall outside diameter: 6.457 in. (164.00 mm)
• Overall width: 1.733 in. (44.00 mm)

Detailed Description

Dayco PB1184N is an engine harmonic balancer for vehicles that require a neutral-balance, serpentine-drive design. The cast iron outer ring and integrated 6-groove pulley support crankshaft vibration control and accessory belt drive function in one assembly. With timing marks and a 3-bolt hole layout, this balancer is built for service work where accurate alignment and OE-style dimensions matter. This part cross-references ATP 102117 for the same application.

Compatible With select Ford Escape, Ford Fusion, Mazda Tribute, Mercury Mariner, Mercury Milan, Mazda 6, Lincoln Zephyr, Mazda MPV, Mercury Cougar, Ford Contour, and Mercury Mystique applications. The PB1184N part number is also a useful search reference when sourcing a replacement harmonic balancer for these engine platforms.

What It Helps Address

• Crankshaft vibration and harmonic imbalance
• Worn or damaged balancer outer ring
• Serpentine belt drive issues tied to pulley wear
• Timing mark visibility problems during engine service
• Replacement needs after balancer deterioration or separation

Installation Notes and Tips

Verify crank bore, nose outside diameter, bolt-hole count, and pulley groove count before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key. Use the timing marks during setup and confirm proper alignment with the engine’s accessory drive and crankshaft specifications. For fitment research, PB1184N is commonly searched alongside Ford Escape, Mazda Tribute, and Mercury Mariner harmonic balancer applications.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for service replacement applications where OE-style fit and function are required. PB1184N is specified with published dimensions and fitment data to support accurate parts matching for the listed vehicles.