1. Engine Crankshafts Products
  2. sku: 20839986325799603
  3. POWERBOND DAYCO SX-4772

POWERBOND BY DAYCO SX-4772 Harmonic Balancer Engine Cylinder 2.5L L4 Fy

fits model: Tj. make: Jeep. year: 1997–2002.

Sx-4772 Powerbond By Dayco Harmonic Balancer For 1997-2002 Jeep Tj 2.5l L4 - Engine Cylinder Fy

( Brand: Powerbond By Dayco ), ( Manufacturer Part Number: SX-4772 ), ( Item Weight: 4.8500 ), ( Ipn: C736 42-56 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Year: 2002 2001 2000 1999 1998 1997 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Harmonic Balancer ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dayco Engine Harmonic Balancer ), ( Timing Marks: Yes ), ( Pulley 1 Type: Serpentine ), ( Overall Width: 1.465 In / 37.20 Mm ), ( Hardware Included: No ), ( Ring Width: 1.000 In / 25.40 Mm ), ( Counterweight Balance: Neutral, No Counterweight ), ( Outer Ring Material: Grey Iron ), ( Pulley 1 Number Of Grooves: 6 Mm ), ( Overall Outside Diameter: 6.717 In / 170.60 Mm ), ( Nose Outside Diameter: 1.782 In / 45.25 Mm ), ( Pulley 1 Outside Diameter: 6.497 In / 165.000 Mm ), ( Crank Bore: 1.124 In / 28.53 Mm )

Review POWERBOND BY DAYCO Harmonic Balancer Jeep 2.5l L4 Engine Cylinder Fy fits TJ 1997–2002

The **Powerbond Dayco SX-4772 Harmonic Balancer** is a high-performance, precision-engineered replacement part designed specifically for the **1997 2002 Jeep Grand Cherokee (TJ) with the 2.5L inline-four (L4) engine**, including the **Cylinder Fy** variant. This aftermarket harmonic balancer is meticulously crafted to restore optimal vibration damping, reduce engine noise, and enhance drivability while maintaining compatibility with the stock crankshaft pulley system. Built with **high-quality rubber and reinforced steel components**, the SX-4772 features a **durable, oil-resistant elastomer** that resists cracking, hardening, and premature wear common issues with OEM balancers ensuring long-lasting performance even under demanding driving conditions. The design incorporates a **precision-balanced rotor** to minimize torsional vibrations, which helps prevent excessive stress on the engine s drivetrain, including the timing belt, crankshaft, and connecting rods. Whether you're tackling a routine maintenance project or addressing a noisy or failing OEM balancer, this **direct-fit replacement** offers superior durability and quiet operation compared to generic aftermarket alternatives. Ideal for both **stock and modified applications**, the Powerbond SX-4772 is a trusted choice for Jeep enthusiasts seeking a reliable, long-term solution without compromising on performance or fitment.

### Pros and Cons of buying a Powerbond Dayco SX-4772 Harmonic Balancer for a 1997 2002 Jeep TJ 2.5L L4 Engine

#### **Pros:**

1. **Direct Fitment** The SX-4772 is specifically designed for the Jeep TJ s 2.5L inline-four engine, ensuring compatibility with the crankshaft and mounting points without modifications.

2. **Durability** Powerbond and Dayco are reputable brands known for producing high-quality harmonic balancers that reduce vibration and wear on the crankshaft and drivetrain components.

3. **Reduced Engine Vibration** A failing or worn harmonic balancer can cause excessive vibration, which this replacement helps eliminate, improving ride comfort and reducing stress on the engine mounts and transmission.

4. **Prevents Crankshaft Damage** A damaged harmonic balancer can lead to uneven crankshaft wear or even catastrophic failure. Replacing it proactively protects the engine s long-term health.

5. **Easier Installation** The SX-4772 is designed for straightforward installation, requiring only basic tools and minimal disassembly (typically just removing the serpentine belt and accessories).

6. **Cost-Effective Upgrade** Compared to rebuilding or replacing the entire engine, a harmonic balancer is a relatively inexpensive part, offering significant value for its role in engine protection.

7. **Compatibility with Aftermarket Parts** Since it fits stock applications, it also works well with common TJ modifications, such as performance air intakes or exhaust systems, without interference.

#### **Cons:**

1. **Labor Intensity** While not overly complex, replacing the harmonic balancer requires removing the serpentine belt, tensioner, and possibly the alternator or power steering pump, which can take 1 2 hours depending on the vehicle s condition.

2. **Potential for Misalignment** If not installed correctly, the balancer could cause belt tension issues or misalignment with the crankshaft pulley, leading to premature wear on the belt or accessories.

3. **Limited Longevity** Like any rubber component, the harmonic balancer will eventually wear out again, though a high-quality unit like this one should last significantly longer than an OEM part.

4. **Accessibility Challenges** On some TJ models, especially those with additional under-hood modifications (e.g., aftermarket steering racks or brake upgrades), clearance for installation may be tighter, requiring extra care.

5. **Cost of Additional Parts** If the serpentine belt, tensioner, or pulleys are worn, they may need replacement simultaneously, adding to the overall expense.

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### **Conclusion**

The **Powerbond Dayco SX-4772 harmonic balancer** is a strong choice for the 1997 2002 Jeep TJ s 2.5L engine. Its direct fitment, durability, and role in reducing vibration make it a practical and cost-effective solution for preventing engine damage. While installation requires some effort, the benefits such as smoother operation, extended engine life, and protection against costly repairs far outweigh the drawbacks. For owners experiencing vibration, a cracked or worn balancer, or simply looking to preemptively maintain their engine, this part is highly recommended.

### **Recommendation**

**Buy the Powerbond Dayco SX-4772 harmonic balancer.** Pair it with a new serpentine belt and tensioner (if they re worn) to ensure a complete, long-lasting repair. If you re not comfortable with the installation, consult a mechanic familiar with Jeep TJ engines. Regularly inspect the balancer for cracks or play to monitor its condition between replacements. This upgrade is a wise investment for maintaining your TJ s reliability and performance.

Details:

Dayco Harmonic Balancer for 1997 - 2002 Jeep TJ 2.5L L4 - Engine Cylinder fy: Status: In Stock.

part #: sx4772 prices

  • $116.31-$341.14

specifications cranshafengin:

  • for models: Tj
  • for makes: Jeep
  • for years: 1997-2002
  • brand: Powerbond By Dayco
  • mpn: Sx-4772
  • item weight: 4.8500
  • ipn: C736 42-56
  • placement on vehicle: Engine Cylinder Block
  • compatible year: 2002 2001 2000 1999 1998 1997
  • core charge: Free No Core Charge
  • type: Engine Harmonic Balancer
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Dayco Engine Harmonic Balancer
  • timing marks: Yes
  • pulley 1 type: Serpentine
  • overall width: 1.465 In / 37.20 Mm
  • hardware included: No
  • ring width: 1.000 In / 25.40 Mm
  • counterweight balance: Neutral, No Counterweight
  • outer ring material: Grey Iron
  • pulley 1 number of grooves: 6 Mm
  • overall outside diameter: 6.717 In / 170.60 Mm
  • nose outside diameter: 1.782 In / 45.25 Mm
  • pulley 1 outside diameter: 6.497 In / 165.000 Mm
  • crank bore: 1.124 In / 28.53 Mm

seller cranshafengin:

  • rating: 99.7%
  • # reviews: 666872
  • city: Indianapolis, Indiana

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general cranshafengin:

  • condition: New
  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

offer cranshafengin:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: June 12, 2026
  • quantity: 1

shipping cranshafengin:

  • transit: 4-6 Days
  • service: Standard, Expedited
  • cost: $0.00
  • class: Standard, Expedited
  • type: Fixed

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  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: tj, for makes: jeep, for years: 1997-2002, item weight: 4.8500, placement on vehicle: engine cylinder block, compatible year: 2002 2001 2000 1999 1998 1997, core charge: free no core charge, type: engine harmonic balancer, fitment type: direct replacement, bundle description: 1 pc genuine dayco engine harmonic balancer, timing marks: yes, pulley 1 type: serpentine, overall width: 1.465 in / 37.20 mm, hardware included: no, ring width: 1.000 in / 25.40 mm, counterweight balance: neutral, no counterweight, outer ring material: grey iron, pulley 1 number of grooves: 6 mm, overall outside diameter: 6.717 in / 170.60 mm, nose outside diameter: 1.782 in / 45.25 mm, pulley 1 outside diameter: 6.497 in / 165.000 mm, crank bore: 1.124 in / 28.53 mm,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 20839986325799603,
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4 offers $116.31–$341.14 USD
  • Brand New. Offer #1 priced at $116.31 + $56.74 shipping estimate = $173.05* total. +$56.74 shipping
  • Brand New. Offer #2 priced at $341.14 + $Calculated shipping estimate = $341.14* total. +$Calculated shipping
  • Brand New. Offer #3 priced at $341.14 + $Calculated shipping estimate = $341.14* total. +$Calculated shipping
  • Brand New. Offer #4 priced at $341.14 + $Calculated shipping estimate = $341.14* total. +$Calculated shipping

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