Dayco PB1440N Engine Harmonic Balancer

Dayco PB1440N Harmonic Balancer

The Dayco PB1440N is a premium OEM replacement harmonic balancer for Jeep V8 applications that require neutral balance and timing mark alignment. It is built with a cast iron outer ring and a single V-belt pulley to match the original engine layout on select Jeep Cherokee, CJ5, CJ7, J10, J20, and Wagoneer models.

Key Features

• Premium OEM replacement balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for durable engine service
• One integrated V-belt pulley with one groove
• Timing marks included for engine setup and service
• 3-bolt hole configuration
• Crank bore: 1.124 in. (28.54 mm)
• Overall outside diameter: 6.717 in. (170.60 mm)
• Overall width: 1.703 in. (43.25 mm)

Product Details

Dayco PB1440N is a direct-fit engine harmonic balancer for 1974-1980 Jeep Cherokee, 1974-1980 Jeep CJ5, 1976-1980 Jeep CJ7, 1974-1980 Jeep J10, 1974-1980 Jeep J20, and 1980 Jeep Wagoneer applications. The Premium OEM Replacement Balancer line focuses on OE-style fit and dimensional accuracy for engines that rely on correct crankshaft damping and pulley alignment. This part number, PB1440N, also cross-references ATP 102007 and Dorman 594-022 for the same application.

Common Issues This Part Can Address

• Crankshaft vibration from a worn or separated balancer
• Timing mark visibility problems during ignition setup
• Belt tracking issues caused by pulley wear or misalignment
• Noise from a deteriorated harmonic balancer assembly
• Service replacement needs on original Jeep engine components

Installation Notes

Verify crank bore, bolt pattern, pulley style, and timing mark location before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a woodruff key. Proper alignment of the V-belt pulley and timing marks is important during engine assembly and ignition timing service.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for OE-style replacement needs in classic Jeep engine applications. The PB1440N is specified with neutral balance, cast iron construction, and timing marks to support accurate service replacement on the listed vehicles.