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Dayco PB1091N Engine Harmonic Balancer
Overview of Dayco Premium OEM Replacement Balancer PB1091N
The Dayco Premium OEM Replacement Balancer PB1091N is engineered for reliable performance in Toyota vehicles including the 4Runner, Celica, Corona, and Pickup models. Designed to meet OEM specifications, this engine harmonic balancer ensures smooth engine operation and vibration control.
- Compatible with Toyota 4Runner, Celica, Corona, and Pickup
- Part Number: PB1091N
- 4 bolt hole quantity for secure mounting
- Neutral counterweight balance with no additional counterweights
- Cast iron outer ring for durability
- Includes two integrated V-belt pulleys with single grooves
- Overall outside diameter of 154.50 mm (6.083 inches)
- Timing marks included for precise engine timing
Detailed Product Features and Specifications
The Dayco PB1091N harmonic balancer features a 4-bolt hole design ensuring a secure fit on the crankshaft. It has a neutral counterweight balance, meaning it does not include additional counterweights, which is suitable for specific engine configurations. The crank bore measures 31.01 mm (1.221 inches), and the nose outside diameter is 44.95 mm (1.770 inches), providing precise alignment with the crankshaft.
This balancer includes two integrated V-belt pulleys, each with a single groove, measuring 136.5 mm (5.375 inches) and 151.5 mm (5.965 inches) in diameter respectively. The outer ring is made of cast iron, offering strength and resistance to wear. The overall width is 58.00 mm (2.284 inches), and the ring width is 21.03 mm (0.828 inches). Timing marks are present to assist with accurate engine timing during installation.
About the Premium OEM Replacement Balancer Product Line
The Dayco Premium OEM Replacement Balancer line is designed to provide direct-fit replacements that meet original equipment manufacturer standards. This product line focuses on delivering components that maintain engine balance and reduce vibration without compromising durability. The PB1091N is part of this line, ensuring compatibility and performance for Toyota engines requiring harmonic balancers with specific dimensions and features.
Common Applications and Problem Solving
- Reduces engine vibration and noise in Toyota 4Runner, Celica, Corona, and Pickup models
- Prevents premature wear of crankshaft and accessory belts
- Maintains proper engine timing with integrated timing marks
- Replaces worn or damaged harmonic balancers to restore engine smoothness
- Supports accessory drive system with two integrated V-belt pulleys
Installation Notes and Tips
- Ensure crankshaft and bore surfaces are clean before installation
- Verify bolt hole alignment with the crankshaft flange
- Use proper torque specifications for the 4 mounting bolts
- Check timing marks alignment during installation for accurate engine timing
- Note that hardware and installation instructions are not included with this part
Quality Assurance and Warranty
Dayco's Premium OEM Replacement Balancer PB1091N is manufactured to meet strict quality standards for fit and function. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability. This part is designed to provide consistent performance in compatible Toyota models.
| Brand | Dayco |
| Part Number | PB1091N |
| Position | Premium OEM Replacement Balancer |
| Counterweight Balance | Neutral, no counterweight |
| Crank Bore | 1.221 |
| Crank Bore | 31.01 |
| Crank Trigger/Exciter Plate | No |
| Hardware Included | No |
| Installation Instructions Included | No |
| Nose Outside Diameter | 1.770 |
| Nose Outside Diameter | 44.95 |
| Number of Integrated Pulleys | 2 |
| Outer Ring Material | Cast Iron |
| Overall Outside Diameter | 6.083 |
| Overall Outside Diameter | 154.50 |
| Overall Width | 2.284 |
| Overall Width | 58.00 |
| Pulley 1 Number Of Grooves | 1 |
| Pulley 1 Outside Diameter | 5.375 |
| Pulley 1 Outside Diameter | 136.500 |
| Pulley 1 Type | V-Belt |
| Pulley 2 Number Of Grooves | 1 |
| Pulley 2 Outside Diameter | 5.965 |
| Pulley 2 Outside Diameter | 151.500 |
| Pulley 2 Type | V-Belt |
| Ring Width | 0.828 |
| Ring Width | 21.03 |
| Timing Marks | Yes |
| Woodruff Key Included | No |
This part fits 47 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Toyota | 4Runner | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1995 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1994 | Toyota | 4Runner | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1994 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1993 | Toyota | 4Runner | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1993 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1992 | Toyota | 4Runner | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1992 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1991 | Toyota | 4Runner | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1991 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1990 | Toyota | 4Runner | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1990 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1989 | Toyota | 4Runner | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1989 | Toyota | Pickup | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1988 | Toyota | 4Runner | 2.4L | L4 | N/A | w/o A.C., w/o A.P.; Premium OEM Replacement Balancer |
| 1988 | Toyota | Pickup | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1987 | Toyota | 4Runner | N/A | w/o Air Pump; Premium OEM Replacement Balancer | ||
| 1987 | Toyota | 4Runner | N/A | w/o A.C., w/o A.P.; Premium OEM Replacement Balancer | ||
| 1987 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1987 | Toyota | Pickup | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1986 | Toyota | 4Runner | N/A | Premium OEM Replacement Balancer | ||
| 1986 | Toyota | 4Runner | N/A | w/o A.C., w/o A.P.; Premium OEM Replacement Balancer | ||
| 1986 | Toyota | Pickup | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1986 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1985 | Toyota | 4Runner | N/A | w/o A.C., w/o A.P.; Premium OEM Replacement Balancer | ||
| 1985 | Toyota | Celica | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1985 | Toyota | Pickup | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1984 | Toyota | 4Runner | N/A | w/o Power Steering; Premium OEM Replacement Balancer | ||
| 1984 | Toyota | Celica | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1984 | Toyota | Pickup | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1983 | Toyota | Celica | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1983 | Toyota | Pickup | 2.4L | L4 | N/A | w/o Air Pump; Premium OEM Replacement Balancer |
| 1982 | Toyota | Celica | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1982 | Toyota | Corona | N/A | Premium OEM Replacement Balancer | ||
| 1982 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1981 | Toyota | Celica | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1981 | Toyota | Pickup | 2.4L | L4 | N/A | Premium OEM Replacement Balancer |
| 1980 | Toyota | Celica | 2.2L | L4 | N/A | Premium OEM Replacement Balancer |
| 1980 | Toyota | Corona | N/A | Premium OEM Replacement Balancer | ||
| 1980 | Toyota | Pickup | N/A | Premium OEM Replacement Balancer | ||
| 1979 | Toyota | Celica | 2.2L | L4 | N/A | Premium OEM Replacement Balancer |
| 1979 | Toyota | Corona | N/A | Premium OEM Replacement Balancer | ||
| 1979 | Toyota | Pickup | N/A | Premium OEM Replacement Balancer | ||
| 1978 | Toyota | Celica | N/A | Premium OEM Replacement Balancer | ||
| 1978 | Toyota | Corona | N/A | Premium OEM Replacement Balancer | ||
| 1978 | Toyota | Pickup | N/A | Premium OEM Replacement Balancer | ||
| 1977 | Toyota | Celica | N/A | Premium OEM Replacement Balancer |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.