Dayco PB1644N Engine Harmonic Balancer

Dayco PB1644N Harmonic Balancer

The Dayco PB1644N is a premium OEM replacement harmonic balancer for select Dodge truck applications. It is built with a cast iron outer ring, neutral balance, and an integrated serpentine pulley to support crankshaft damping and accessory drive operation.

Key Features

• Brand Line: Premium OEM Replacement Balancer
• Part Number: PB1644N
• Neutral balance design with no counterweight
• Cast iron outer ring for durable construction
• One integrated pulley with 8 serpentine grooves
• Overall outside diameter: 8.229 in. (209.00 mm)
• Overall width: 2.402 in. (61.00 mm)
• Crank bore: 0.751 in. (19.07 mm)
• 4 bolt holes

Detailed Description

Dayco PB1644N is an engine harmonic balancer engineered for 1989-1993 Dodge D250, Dodge D350, Dodge W250, and Dodge W350 applications. This premium OEM replacement balancer uses a neutral counterweight balance and a cast iron outer ring to help maintain crankshaft damping characteristics while supporting the serpentine accessory drive. The integrated pulley features 8 grooves and a 6.812 in. outside diameter, making this part a direct-fit service option for the listed Dodge truck fitments. If you are searching for a Dodge D250 harmonic balancer, Dodge W350 harmonic balancer, or Dayco PB1644N replacement balancer, this part matches the confirmed vehicle coverage shown here.

The Premium OEM Replacement Balancer line focuses on replacement parts that follow original-style fitment and dimensions for service work. For buyers comparing a PB1644N harmonic balancer against other engine cylinder block components, the key specifications here are the 8.229 in. overall diameter, 2.402 in. overall width, and neutral balance configuration.

What It Helps Address

• Crankshaft vibration from a worn or separated balancer
• Serpentine belt drive issues caused by pulley wear
• Noise from a damaged harmonic balancer assembly
• Incorrect fitment when replacing the original engine balancer
• Service replacement needs on 1989-1993 Dodge D250, D350, W250, and W350 trucks

Installation Notes and Tips

Verify crank bore, bolt hole quantity, pulley groove count, and overall diameter before installation. This balancer does not include hardware, installation instructions, timing marks, or a Woodruff key. Confirm the engine configuration and accessory drive layout against the original part before assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for OE-style service replacement, with dimensions and construction details listed to support accurate parts matching. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.