1. Engine Crankshafts Products
  2. sku: 18851989564177603
  3. POWERBOND DAYCO SX-5806

POWERBOND BY DAYCO SX-5806 Engine Harmonic Balancer Am 3.1L 3.4L V6

fits model: Lc, Grand. make: Pontiac. year: 1994–2005.

Sx-5806 Powerbond By Dayco Engine Harmonic Balancer For 1994-2005 Pontiac Grand Am 3.1l 3.4l V6 Lc

( Brand: Powerbond By Dayco ), ( Manufacturer Part Number: SX-5806 ), ( Item Weight: 5.5100 ), ( Ipn: C299 72-60 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Model: Grand Am ), ( Compatible Year: 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Harmonic Balancer ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dayco Engine Harmonic Balancer )

Review POWERBOND BY DAYCO Engine Harmonic Balancer Pontiac Am 3.1l 3.4l V6 fits GRAND LC 1994–2005

The **Powerbond Dayco SX-5806 Engine Harmonic Balancer** is a premium, high-performance replacement part designed specifically for the 1994 2005 Pontiac models equipped with the **3.1L and 3.4L V6 LC (L36/L37) engines**. This meticulously engineered component serves as a critical vibration dampener, absorbing engine torque fluctuations to ensure smooth operation, reduce stress on the drivetrain, and extend the lifespan of related components like the crankshaft, transmission, and mounts. Crafted from high-quality materials, the SX-5806 harmonic balancer features a **reinforced rubber core** and a **precision-balanced steel outer shell**, engineered to withstand the demanding torque outputs of these engines while minimizing parasitic drag. Unlike standard aftermarket alternatives, this balancer incorporates **Dayco s proprietary SX (Super X) technology**, which enhances durability and reduces wear on the crankshaft pulley, making it an ideal choice for both stock and modified applications. Its **direct-fit design** ensures a seamless installation, eliminating the need for additional shims or modifications, while its **robust construction** helps prevent premature failure common issues with lower-quality replacements. Whether you're restoring a classic Pontiac or maintaining a high-mileage vehicle, the SX-5806 provides the reliability and performance needed to keep your engine running with precision and efficiency.

### **Pros and Cons of Buying a Powerbond Dayco SX-5806 Engine Harmonic Balancer for 1994 2005 Pontiac 3.1L/3.4L V6 (LC Engine)**

#### **Pros:**

1. **High-Quality Material and Construction** Powerbond/Dayco harmonic balancers are known for using durable materials, including reinforced rubber and high-strength steel, which helps prevent premature wear and cracking.

2. **Direct Fitment** The SX-5806 is specifically designed for the Pontiac 3.1L/3.4L V6 (LC engine), ensuring proper alignment and compatibility without modifications.

3. **Reduced Vibration and Noise** A properly functioning harmonic balancer dampens engine vibrations, improving smoothness and reducing harshness, especially at higher RPMs.

4. **Prevents Serious Damage** A failing harmonic balancer can lead to cracked or broken components, which may damage the crankshaft or other engine parts. Replacing it proactively avoids costly repairs.

5. **Warranty Coverage** Many aftermarket harmonic balancers come with warranties (e.g., 1 2 years), providing peace of mind against early failure.

6. **Easier Installation** The SX-5806 is a direct replacement, meaning it should bolt on without requiring additional machining or adjustments.

7. **Cost-Effective Compared to OEM** While not an original part, it is often priced lower than an OEM harmonic balancer while maintaining reliability.

#### **Cons:**

1. **Potential for Early Wear** Some users report that aftermarket harmonic balancers may wear out faster than OEM parts, especially if the engine has high mileage or severe conditions.

2. **Quality Variability** While Powerbond/Dayco is a reputable brand, there have been occasional reports of inconsistent rubber quality or manufacturing defects in some batches.

3. **Noisy Operation (If Not Properly Installed)** If the balancer is not securely tightened or misaligned, it can produce a whining or rattling noise, which may require re-installation.

4. **Limited Longevity in Aggressive Driving** Heavy towing, high-performance modifications, or aggressive driving can accelerate wear on the balancer.

5. **No Direct OEM Support** Unlike an OEM part, there is no factory warranty or technical support if issues arise.

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### **Conclusion**

The **Powerbond Dayco SX-5806 harmonic balancer** is a **solid aftermarket option** for the Pontiac 3.1L/3.4L V6 (LC engine) due to its direct fitment, durability, and cost-effectiveness. It is a **recommended choice** for most drivers, especially those looking to prevent vibration-related issues or replace a worn-out balancer. However, if the engine is heavily modified or subjected to extreme conditions, some users may prefer an **OEM replacement** or a **high-end aftermarket alternative** (such as those from **Fel-Pro or Gates**) for added longevity.

**Final Recommendation:**

- **Buy the Powerbond Dayco SX-5806** if you want a **reliable, budget-friendly replacement** with minimal hassle.

- **Consider an OEM or premium aftermarket balancer** if the engine is high-mileage, modified, or used in demanding conditions.

- **Inspect the installation** carefully to ensure proper tightening and alignment to avoid noise or premature failure.

- **Monitor for signs of wear** (cracks, excessive play) and replace again if necessary within the expected lifespan (typically 50,000 100,000 miles for average driving).

For most standard applications, this balancer provides a **good balance of performance and cost**, making it a **strong recommendation**.

Details:

Dayco Engine Harmonic Balancer for 1994 - 2005 Pontiac Grand Am 3.1L 3.4L V6 Lc: Status: In Stock.

specifications cranshafengin:

  • for models: Lc, Grand
  • for makes: Pontiac
  • for years: 1994-2005
  • brand: Powerbond By Dayco
  • mpn: Sx-5806
  • item weight: 5.5100
  • ipn: C299 72-60
  • placement on vehicle: Engine Cylinder Block
  • compatible model: Grand Am
  • compatible year: 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994
  • core charge: Free No Core Charge
  • type: Engine Harmonic Balancer
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Dayco Engine Harmonic Balancer

offer cranshafengin:

  • started: February 15, 2026
  • quantity: 2
  • availability: In Stock
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  • options: Ship-to-home

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

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for models: lc, grand, for makes: pontiac, for years: 1994-2005, item weight: 5.5100, placement on vehicle: engine cylinder block, compatible model: grand am, compatible year: 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994, core charge: free no core charge, type: engine harmonic balancer, fitment type: direct replacement, bundle description: 1 pc genuine dayco engine harmonic balancer,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 18851989564177603,
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