Dayco PB1176N Engine Harmonic Balancer

Dayco PB1176N Harmonic Balancer Overview

The Dayco PB1176N is a premium OEM replacement harmonic balancer for Ford trucks and vans that need accurate crankshaft vibration control and timing reference alignment. Built with a neutral balance design and a cast iron outer ring, it supports smooth engine operation in demanding applications.

Compatible with 2001-2006 Ford Excursion, 2002-2006 Ford E-350 Super Duty, and 2003-2006 Ford E-150 and E-250 models, this balancer is also a direct-fit option for select Ford Econoline and Club Wagon applications. The Dayco PB1176N is a practical replacement choice when servicing the front of the engine on these vehicles.

Key Features

• Premium OEM replacement balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for durable construction
• Single integrated serpentine pulley with 6 grooves
• Timing marks included for service alignment
• 3-bolt hole quantity
• Crank bore: 1.249 in. (31.71 mm)
• Overall outside diameter: 6.969 in. (177.00 mm)
• Overall width: 2.048 in. (52.00 mm)

Detailed Description

Dayco Premium OEM Replacement Balancer PB1176N is engineered as a direct replacement harmonic balancer for Ford applications that use a serpentine accessory drive. The unit features one integrated pulley with six grooves, a 6.615 in. pulley outside diameter, and timing marks to support accurate engine service and reassembly. Its neutral balance configuration and cast iron outer ring are specified for the listed applications, while the 1.876 in. nose outside diameter and 1.249 in. crank bore help match the original engine interface.

This part cross-references Dorman 594-206 and Pioneer DA-3302 for the same application. For buyers searching for a Ford E-150 harmonic balancer, Ford E-250 harmonic balancer, or Ford Excursion crankshaft balancer, PB1176N provides the fitment and dimensions needed for the listed vehicles.

Vehicle Fitment

• Fits 2003-2006 Ford E-150, N/A
• Fits 2003-2006 Ford E-250, N/A
• Fits 2002-2006 Ford E-350 Super Duty, N/A
• Fits 2003-2005 Ford E-150 Club Wagon, N/A
• Fits 2003-2005 Ford E-350 Club Wagon, N/A
• Fits 2001-2005 Ford Excursion, N/A
• Fits 2004 Ford F-150 Heritage, N/A
• Fits 2002 Ford E-150 Econoline, N/A
• Fits 2002 Ford E-150 Econoline Club Wagon, N/A
• Fits 2002 Ford E-250 Econoline, N/A
• Fits 2002 Ford E-350 Econoline Club Wagon, N/A

Common Replacement Reasons

• Crankshaft vibration at idle or under load
• Worn or separated balancer ring
• Damaged serpentine pulley grooves
• Timing mark visibility issues during service
• Front engine accessory drive noise or imbalance

Installation Notes

Verify crank bore, nose diameter, bolt hole quantity, and pulley groove count before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a woodruff key. Confirm timing mark orientation and accessory belt alignment during assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for direct-fit service replacement in the listed Ford applications, with dimensions and features matched to the original-style engine setup.