Dayco PB1046N Engine Harmonic Balancer

Dayco PB1046N Harmonic Balancer

The Dayco PB1046N is a premium OEM replacement harmonic balancer for a wide range of Chevrolet and GMC V8 applications. It is built with a neutral balance, grey iron outer ring, and timing marks for accurate service work on classic trucks, vans, SUVs, and passenger cars.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Grey iron outer ring for durable engine service
• Timing marks included for setup and verification
• 3-bolt hole design
• 8.0 in. overall outside diameter with 2.343 in. overall width
• 1.245 in. crank bore and 1.763 in. nose outside diameter
• No integrated pulleys, trigger plate, hardware, or woodruff key included

Detailed Description

Dayco PB1046N is an engine harmonic balancer engineered for neutral-balance Chevrolet and GMC applications that use an 8-inch diameter style balancer. The design supports accurate crankshaft vibration control while keeping timing reference points visible during service. This part number, PB1046N, is a direct-fit style replacement for many GM trucks, vans, SUVs, and performance-era passenger vehicles, including Chevrolet C10, K10, G20, Blazer, Camaro, and Corvette applications listed below.

This part cross-references ATP 102042 and Dorman 594-002 for the same application.

Vehicle Fitment

• Fits 1983-1996 Chevrolet G30, N/A
• Fits 1980-1996 Chevrolet P30, N/A
• Fits 1979-1996 GMC G3500, N/A
• Fits 1988-1995 Chevrolet C1500, N/A
• Fits 1992-1995 Chevrolet C1500 Suburban, N/A
• Fits 1988-1995 Chevrolet C2500, N/A
• Fits 1992-1995 Chevrolet C2500 Suburban, N/A
• Fits 1988-1995 Chevrolet C3500, N/A
• Fits 1983-1995 Chevrolet G20, N/A
• Fits 1995 Chevrolet G30, N/A
• Fits 1982 Chevrolet G30, N/A
• Fits 1975-1980 Chevrolet G30, N/A
• Fits 1988-1995 Chevrolet K1500, N/A
• Fits 1992-1995 Chevrolet K1500 Suburban, N/A
• Fits 1988-1995 Chevrolet K2500, N/A
• Fits 1992-1995 Chevrolet K2500 Suburban, N/A
• Fits 1988-1995 Chevrolet K3500, N/A
• Fits 1995 Chevrolet Tahoe, N/A
• Fits 1988-1995 GMC C1500, N/A
• Fits 1992-1995 GMC C1500 Suburban, N/A
• Fits 1988-1995 GMC C2500, N/A
• Fits 1992-1995 GMC C2500 Suburban, N/A
• Fits 1988-1995 GMC C3500, N/A
• Fits 1979-1995 GMC G2500, N/A
• Fits 1988-1995 GMC K1500, N/A
• Fits 1992-1995 GMC K1500 Suburban, N/A
• Fits 1988-1995 GMC K2500, N/A
• Fits 1992-1995 GMC K2500 Suburban, N/A
• Fits 1988-1995 GMC K3500, N/A
• Fits 1987-1995 GMC P3500, N/A
• Fits 1980 GMC P3500, N/A
• Fits 1992-1995 GMC Yukon, N/A
• Fits 1987-1994 Chevrolet Blazer, N/A
• Fits 1971 Chevrolet Blazer, N/A
• Fits 1983-1993 Chevrolet G10, N/A
• Fits 1979-1993 GMC G1500, N/A
• Fits 1989-1991 Chevrolet R1500 Suburban, N/A
• Fits 1989-1991 Chevrolet R2500 Suburban, N/A
• Fits 1989-1991 Chevrolet R3500, N/A
• Fits 1989-1991 Chevrolet V1500 Suburban, N/A
• Fits 1989-1991 Chevrolet V2500 Suburban, N/A
• Fits 1989-1991 Chevrolet V3500, N/A
• Fits 1987-1991 GMC Jimmy, N/A
• Fits 1973-1976 GMC Jimmy, N/A
• Fits 1987-1991 GMC R1500 Suburban, N/A
• Fits 1987-1991 GMC R2500 Suburban, N/A
• Fits 1987-1991 GMC R3500, N/A
• Fits 1987-1991 GMC V1500 Suburban, N/A
• Fits 1987-1991 GMC V2500 Suburban, N/A
• Fits 1987-1991 GMC V3500, N/A
• Fits 1987-1989 Chevrolet P20, N/A
• Fits 1989 Chevrolet R2500, N/A
• Fits 1987-1989 GMC P2500, N/A
• Fits 1980 GMC P2500, N/A
• Fits 1987-1989 GMC R2500, N/A
• Fits 1987-1988 Chevrolet R10 Suburban, N/A
• Fits 1987-1988 Chevrolet R20, N/A
• Fits 1987-1988 Chevrolet R20 Suburban, N/A
• Fits 1987-1988 Chevrolet R30, N/A
• Fits 1987-1988 Chevrolet V10 Suburban, N/A
• Fits 1987-1988 Chevrolet V20 Suburban, N/A
• Fits 1987-1988 Chevrolet V30, N/A
• Fits 1987 Chevrolet R10, N/A
• Fits 1987 Chevrolet V10, N/A
• Fits 1987 Chevrolet V20, N/A
• Fits 1987 GMC R1500, N/A
• Fits 1987 GMC V1500, N/A
• Fits 1987 GMC V2500, N/A
• Fits 1975-1982 Chevrolet G10, N/A
• Fits 1980-1982 Chevrolet G20, N/A
• Fits 1975-1982 Chevrolet G20, N/A
• Fits 1980-1982 Chevrolet G30, N/A
• Fits 1982 Chevrolet Impala, N/A
• Fits 1976 Chevrolet Impala, N/A
• Fits 1969-1974 Chevrolet Impala, N/A
• Fits 1980 Chevrolet C10, N/A
• Fits 1975-1976 Chevrolet C10, N/A
• Fits 1980 Chevrolet C20, N/A
• Fits 1975-1976 Chevrolet C20, N/A
• Fits 1980 Chevrolet K20 Suburban, N/A
• Fits 1970-1976 Chevrolet K20 Suburban, N/A
• Fits 1980 Chevrolet P20, N/A
• Fits 1975-1977 Chevrolet P20, N/A
• Fits 1980 GMC C1500, N/A
• Fits 1980 GMC C2500, N/A
• Fits 1976-1979 Chevrolet Corvette, N/A
• Fits 1975-1978 GMC G15, N/A
• Fits 1975-1978 GMC G25, N/A
• Fits 1975-1978 GMC G35, N/A
• Fits 1977 Chevrolet P10, N/A
• Fits 1975 Chevrolet P10, N/A
• Fits 1975-1977 Chevrolet P30, N/A
• Fits 1970-1976 Chevrolet C10 Suburban, N/A
• Fits 1970-1976 Chevrolet C20 Suburban, N/A
• Fits 1975-1976 Chevrolet C30, N/A
• Fits 1976 Chevrolet Camaro, N/A
• Fits 1968-1974 Chevrolet Camaro, N/A
• Fits 1976 Chevrolet Caprice, N/A
• Fits 1969-1973 Chevrolet Caprice, N/A
• Fits 1976 Chevrolet El Camino, N/A
• Fits 1969-1974 Chevrolet El Camino, N/A
• Fits 1975-1976 Chevrolet K10, N/A
• Fits 1970-1976 Chevrolet K10 Suburban, N/A
• Fits 1975-1976 Chevrolet K20, N/A
• Fits 1975-1976 Chevrolet K5 Blazer, N/A
• Fits 1976 Chevrolet Malibu, N/A
• Fits 1973-1974 Chevrolet Malibu, N/A
• Fits 1976 Chevrolet Monte Carlo, N/A
• Fits 1970-1974 Chevrolet Monte Carlo, N/A
• Fits 1976 Chevrolet Nova, N/A
• Fits 1969-1974 Chevrolet Nova, N/A
• Fits 1976 GMC Jimmy, N/A
• Fits 1970-1972 GMC Jimmy, N/A
• Fits 1969-1974 Chevrolet Bel Air, N/A
• Fits 1972-1974 Chevrolet Blazer, N/A
• Fits 1969-1970 Chevrolet Blazer, N/A
• Fits 1970-1974 Chevrolet Corvette, N/A
• Fits 1973-1974 GMC G15/G1500 Van, N/A
• Fits 1973-1974 GMC G25/G2500 Van, N/A
• Fits 1973-1974 GMC G35/G3500 Van, N/A
• Fits 1969-1972 Chevrolet C10 Suburban, N/A
• Fits 1969-1972 Chevrolet K10 Suburban, N/A
• Fits 1969-1972 Chevrolet K20 Suburban, N/A
• Fits 1972 GMC G15/G1500 Van, N/A
• Fits 1970-1972 GMC G25/G2500 Van, N/A
• Fits 1970-1972 GMC G35/G3500 Van, N/A
• Fits 1969-1971 Chevrolet C20 Suburban, N/A
• Fits 1969 Chevrolet Corvette, N/A

Installation Notes

Verify crank bore, nose diameter, bolt hole quantity, and timing mark location before installation. This PB1046N uses a neutral balance design and does not include a crank trigger/exciter plate, integrated pulleys, hardware, or a woodruff key. Follow the vehicle service manual for torque and alignment procedures, and confirm the balancer matches the engine’s original balance specification.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built as an OE-style service part for GM engine applications, with dimensions and timing references intended to match the listed fitments. The PB1046N is specified with a grey iron outer ring and timing marks for service accuracy.