Dayco PB1134N Engine Harmonic Balancer

Dayco Premium OEM Replacement Balancer PB1134N

The Dayco PB1134N is a premium OEM replacement harmonic balancer built for precise crankshaft damping and accessory drive alignment. It is engineered for select Toyota, Pontiac, Chevrolet, and related compact applications, including Corolla, Matrix, Celica, MR2 Spyder, Vibe, and Prizm models.

Use this Dayco harmonic balancer when you need a direct replacement that matches OE-style dimensions, timing mark placement, and serpentine pulley configuration. The PB1134N is a practical choice for restoring smooth engine operation on 1998-2008 Toyota Corolla and related applications.

Key Features

• Premium OEM replacement balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring material for durability
• Integrated serpentine pulley with 6 grooves
• Timing marks included for service and alignment
• Single integrated pulley layout
• Crank bore: 0.985 in. / 25.01 mm
• Overall outside diameter: 5.249 in. / 133.30 mm
• Overall width: 1.615 in. / 41.00 mm

Detailed Description

Dayco PB1134N is a premium OEM replacement balancer for engines that use a 2-bolt harmonic balancer with a serpentine accessory drive. Its neutral balance configuration, cast iron outer ring, and OE-style dimensions support proper crankshaft vibration control and belt tracking. Timing marks are included, which helps during ignition and engine service procedures. This part cross-references ATP 102182 and Dorman 594-197 for the same application.

Compatible With: Fits 2003-2008 Pontiac Vibe, N/A; Fits 1998-2008 Toyota Corolla, N/A; Fits 2003-2008 Toyota Matrix, N/A; Fits 2000-2005 Toyota Celica, N/A; Fits 2000-2005 Toyota MR2 Spyder, N/A; Fits 1998-2002 Chevrolet Prizm, N/A. The PB1134N is a fitment-focused replacement for drivers searching for a Toyota Corolla harmonic balancer, Toyota Matrix crank pulley balancer, or Pontiac Vibe engine harmonic balancer.

What It Helps Address

• Crankshaft vibration and harmonic imbalance
• Worn or damaged OE balancer replacement needs
• Serpentine belt alignment concerns
• Timing mark visibility during engine service
• Noise or drivability issues related to a failing balancer

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 routing against the vehicle service information before final assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for OE-style fit and function in service replacement applications. The PB1134N is specified with timing marks, a cast iron outer ring, and neutral balance construction to match the requirements of the listed vehicles.