Dayco PB1019N Engine Harmonic Balancer

Premium OEM Replacement Balancer for Chevrolet V8 Applications

The Dayco PB1019N is an engine harmonic balancer built as a premium OEM replacement for select Chevrolet applications. It is a neutral-balance unit with a cast iron outer ring, timing marks, and a 3-bolt hole pattern for direct-fit service on listed vehicles.

Dayco’s Premium OEM Replacement Balancer line focuses on replacement parts that match original-style fitment and core dimensions for service work on factory-equipped engines. The PB1019N follows that approach with OE-style sizing and timing reference marks for accurate engine setup.

Key Features

• Part number PB1019N
• Neutral balance design with no counterweight
• Cast iron outer ring construction
• Timing marks included for engine timing reference
• 3 bolt holes for the specified application
• Crank bore: 1.599 in. / 40.61 mm
• Nose outside diameter: 2.333 in. / 59.25 mm
• Overall outside diameter: 6.995 in. / 177.65 mm
• Overall width: 2.686 in. / 68.20 mm
• Ring width: 1.378 in. / 34.98 mm
• No integrated pulleys
• No crank trigger/exciter plate

Detailed Description

The Dayco PB1019N harmonic balancer is a direct replacement component for select Chevrolet Bel Air, Camaro, Caprice, El Camino, Impala, Malibu, Monte Carlo, Nova, Corvette, and Suburban applications listed below. It is engineered as a neutral-balance balancer with a cast iron outer ring and factory-style timing marks, making it a practical choice for engine service where original dimensions and timing reference are required. The PB1019N part number is also referenced in interchange listings for ATP 102039 and Dorman 594-030.

Compatible With 1972 Chevrolet Bel Air, 1972 Chevrolet C10 Suburban, 1968-1970 Chevrolet C10 Suburban, 1972 Chevrolet C20 Suburban, 1968-1970 Chevrolet C20 Suburban, 1970-1972 Chevrolet Camaro, 1972 Chevrolet Caprice, 1972 Chevrolet El Camino, 1970 Chevrolet El Camino, 1972 Chevrolet Impala, 1972 Chevrolet K10 Suburban, 1968-1970 Chevrolet K10 Suburban, 1972 Chevrolet K20 Suburban, 1968-1970 Chevrolet K20 Suburban, and 1972 Chevrolet Monte Carlo. It also covers additional 1965-1971 Chevrolet passenger car and performance-excepted applications listed in the fitment data for the PB1019N.

This part cross-references ATP 102039 and Dorman 594-030 for the same application.

What This Part Helps Address

• Worn or deteriorated harmonic balancer rubber isolation in the original unit
• Timing mark visibility issues during ignition or valve timing service
• Crankshaft vibration control concerns caused by a damaged balancer
• Replacement needs on Chevrolet V8 engines with a 3-bolt balancer pattern
• Service replacement for vehicles requiring a 7-inch diameter-style balancer application

Installation Notes and Tips

Verify crank bore, nose diameter, overall diameter, and bolt-hole count before installation. This balancer does not include hardware, installation instructions, a Woodruff key, or an integrated pulley. Confirm the engine is a neutral-balance application and match the timing marks to the vehicle’s service procedure before final assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for OE-style service replacement, with application-specific dimensions and timing marks for accurate fitment on listed Chevrolet engines. The PB1019N is a replacement harmonic balancer intended for factory-style engine service on the confirmed applications above.