Dayco PB1148N Engine Harmonic Balancer

Dayco PB1148N Harmonic Balancer Overview

The Dayco PB1148N is a premium OEM replacement harmonic balancer for Ford V8 applications that use a triple-groove pulley and a small-diameter front pulley. It is built with a neutral balance design, cast iron outer ring, and timing marks for accurate service work on classic Ford trucks and vans.

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine vibration control and accessory drive alignment for older Ford applications. The PB1148N follows that approach with OE-style dimensions and pulley layout for service replacement on Bronco, F-Series, and Econoline models.

• Part number: PB1148N
• Neutral balance design with no counterweight
• Cast iron outer ring for durable engine service
• Three integrated pulleys with V-belt grooves
• Timing marks included for setup and inspection
• Crank bore: 1.374 in. (34.88 mm)
• Nose outside diameter: 1.876 in. (47.65 mm)
• Overall outside diameter: 6.713 in. (170.50 mm)
• Overall width: 2.827 in. (71.80 mm)

Fitment Details

• Fits 1980-1986 Ford Bronco, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1975-1986 Ford E-150 Econoline, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1975-1986 Ford E-150 Econoline Club Wagon, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1975-1986 Ford E-250 Econoline, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1983-1986 Ford E-250 Econoline Club Wagon, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1977-1980 Ford E-250 Econoline Club Wagon, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1975-1986 Ford E-350 Econoline, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1977-1986 Ford E-350 Econoline Club Wagon, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1975-1986 Ford F-150, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1965-1986 Ford F-250, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1965-1986 Ford F-350, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1972-1983 Ford E-100 Econoline, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1975-1983 Ford E-100 Econoline Club Wagon, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1965-1983 Ford F-100, N/A — Triple Groove Pulley, w/Small Diameter Front Pulley; Premium OEM Replacement Balancer
• Fits 1969-1974 Ford E-100 Econoline, N/A — Premium OEM Replacement Balancer
• Fits 1968 Ford LTD, N/A — Premium OEM Replacement Balancer

What This Balancer Helps Address

• Engine vibration from a worn or damaged harmonic balancer
• Accessory drive issues on triple-groove V-belt setups
• Timing mark visibility problems during service
• Crankshaft pulley wear or imbalance concerns
• Replacement needs on Ford Bronco, F-100, F-150, F-250, F-350, and Econoline applications

Installation Notes

Verify crank bore, nose diameter, pulley configuration, and timing mark alignment before installation. This PB1148N harmonic balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a Woodruff key. Confirm the engine uses a neutral-balance balancer and the correct triple-groove V-belt arrangement before service.

This part cross-references Dorman 594-242 and ATP 102199 for the same application.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for direct replacement service on original-equipment-style Ford engine applications. The PB1148N is specified with OE-style dimensions, cast iron construction, and timing marks to support accurate fitment and serviceability.