Dayco PB1174N Engine Harmonic Balancer

Dayco PB1174N Harmonic Balancer Overview

The Dayco PB1174N is a premium OEM replacement harmonic balancer for select Lexus and Toyota applications. It is built with a neutral balance design, a cast iron outer ring, and timing marks for accurate engine service and alignment.

Compatible With 1993-2005 Lexus GS300, 2001-2005 Lexus IS300, 1992-2000 Lexus SC300, and 1993-1998 Toyota Supra, this Dayco harmonic balancer supports OE-style fitment for inline engine service needs. The PB1174N is a direct replacement choice for owners searching for a Lexus GS300 harmonic balancer, Toyota Supra engine balancer, or Dayco PB1174N replacement.

Key Features

• Premium OEM Replacement Balancer from Dayco
• Neutral balance design with no counterweight
• Cast iron outer ring for durable construction
• Integrated serpentine pulley with 6 grooves
• Timing marks included for service alignment
• 2-bolt hole design
• Crank bore: 34.98 mm (1.378 in.)
• Overall outside diameter: 215.00 mm (8.465 in.)
• Overall width: 53.00 mm (2.087 in.)

Detailed Description

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine components that match factory-style dimensions and function. The PB1174N harmonic balancer uses a neutral counterweight balance, a single integrated serpentine pulley, and timing marks to support accurate crankshaft damping and accessory drive alignment. Its cast iron outer ring and 55.00 mm nose outside diameter provide the structural characteristics expected in a replacement balancer for Lexus GS300, Lexus IS300, Lexus SC300, and Toyota Supra applications.

For shoppers comparing Dayco PB1174N, this part is a practical option when replacing a worn or damaged engine harmonic balancer on 1993-2005 Lexus GS300, 2001-2005 Lexus IS300, 1992-2000 Lexus SC300, or 1993-1998 Toyota Supra models. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Crankshaft vibration from a deteriorated balancer
• Accessory drive noise caused by pulley wear
• Timing reference issues during engine service
• Visible cracking or separation in the original balancer
• Fitment problems from an incorrect replacement harmonic balancer

Installation Notes and Tips

Verify crank bore, pulley groove count, and timing mark orientation before installation. This balancer does not include hardware, installation instructions, or a woodruff key, so reuse or source the correct service parts as needed. Confirm engine configuration and accessory drive layout against the vehicle’s original balancer before final assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built as an OE-style service part for factory-matched replacement needs. The PB1174N is specified with direct-fit dimensions and timing marks to support accurate installation on the listed Lexus and Toyota applications.