1. Engine Crankshafts Products
  2. sku: 19095022956017721
  3. POWERBOND DAYCO SX-0315

POWERBOND BY DAYCO SX-0315 Engine Harmonic Balancer Cylinder Block

fits model: Roadmaster. make: Buick. year: 1994–1996.

Sx-0315 Powerbond By Dayco Engine Harmonic Balancer For 1994-1996 Buick Roadmaster Cylinder Block Sz

( Brand: Powerbond By Dayco ), ( Manufacturer Part Number: SX-0315 ), ( Item Weight: 8.1600 ), ( Ipn: C704 82-56 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Year: 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 Buick Cylinder Block Sz fits ROADMASTER 1994–1996

The **Powerbond Dayco SX-0315 Engine Harmonic Balancer** is a high-performance, precision-engineered replacement part designed specifically for the **1994 1996 Buick Roadmaster** with a **Cylinder Block (C6X)** engine configuration, ensuring optimal vibration control and drivability for this classic luxury vehicle. Crafted from **high-strength steel** and reinforced with **Dayco s proprietary SX (Super X) rubber compound**, this harmonic balancer delivers superior durability, resilience, and smooth operation, mitigating engine shake and torsional vibrations that can otherwise lead to premature wear on critical components like the crankshaft, timing belt, and mounts. The SX-0315 features a **robust, dual-layered rubber insert** that enhances flexibility and damping, absorbing engine harmonics more effectively than conventional balancers, which is particularly beneficial for high-mileage or modified engines where vibration suppression is critical. Its **precision-balanced design** ensures minimal rotational imbalance, reducing stress on the engine s drivetrain and extending the lifespan of associated parts, including the water pump, serpentine belt, and suspension components. Ideal for both restoration projects and routine maintenance, this balancer is engineered to meet or exceed OEM specifications, providing a seamless fit with the Roadmaster s **3800 V6 or 3800 V8** engine applications, depending on the specific model variant. Whether restoring original performance or upgrading for enhanced reliability, the Powerbond Dayco SX-0315 harmonic balancer offers a robust, long-lasting solution that combines engineering excellence with the durability required for demanding driving conditions.

**Pros and Cons of Buying a Powerbond Dayco SX-0315 Engine Harmonic Balancer for a 1994-1996 Buick Roadmaster (Cylinder Block SZ)**

### **Pros:**

1. **Compatibility and Fitment** The Powerbond Dayco SX-0315 is specifically designed for the GM 350/5.7L V8 engine found in the 1994-1996 Buick Roadmaster. This ensures proper alignment with the crankshaft and flywheel, reducing the risk of installation errors.

2. **Durability and Performance** Powerbond and Dayco are well-regarded brands for harmonic balancers, offering improved vibration dampening compared to OEM parts. A high-quality balancer can reduce engine shake, improve drivability, and extend the life of related components like the crankshaft and mounts.

3. **Cost-Effective Replacement** While not an OEM part, the SX-0315 is priced competitively compared to aftermarket alternatives. It provides a balance between affordability and reliability, making it a practical choice for DIY or professional repairs.

4. **Easier Installation** The balancer is pre-assembled with the necessary components (e.g., bolts, gaskets, and sometimes a new crankshaft pulley). This simplifies the replacement process, especially for those without extensive mechanical experience.

5. **Warranty and Support** Both Powerbond and Dayco offer warranties on their products, providing some assurance against premature failure. Customer support and availability of replacement parts are generally reliable.

6. **Reduced Engine Stress** A worn or failing harmonic balancer can cause excessive vibration, which may lead to damage to the engine mounts, transmission, or even the crankshaft. Replacing it with a new unit prevents further wear and potential costly repairs.

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### **Cons:**

1. **Aftermarket vs. OEM Concerns** Some enthusiasts prefer OEM or high-end aftermarket balancers for perceived superior quality. While the SX-0315 is a reputable aftermarket option, it may not match the exact specifications of the original GM part in terms of weight distribution or material composition.

2. **Potential for Counterfeit Parts** The aftermarket automotive parts industry has issues with counterfeit or low-quality replicas. Purchasing from an untrusted seller (e.g., unverified online marketplaces) could result in a substandard or fake balancer. Always buy from reputable dealers or authorized distributors.

3. **Limited Customization** Unlike some high-end balancers, the SX-0315 does not offer custom tuning options (e.g., different weight or damping characteristics). If you re building a high-performance engine, you may need a more specialized balancer.

4. **Installation Challenges** While generally straightforward, replacing a harmonic balancer requires removing the serpentine belt, crankshaft pulley, and possibly the timing cover. For inexperienced DIYers, this could be time-consuming or prone to mistakes (e.g., cross-threading bolts or improper torque).

5. **Compatibility with Modifications** If your Roadmaster has been modified (e.g., forced induction, engine swaps, or heavy-duty components), the SX-0315 may not be optimized for those changes. In such cases, a more robust balancer (e.g., a forged or high-performance unit) might be necessary.

6. **Risk of Premature Wear** Even high-quality aftermarket balancers can wear out over time, especially under heavy loads or extreme conditions. While rare, failure could still occur, potentially leading to engine damage if the balancer shatters.

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### **Conclusion:**

The **Powerbond Dayco SX-0315 harmonic balancer** is a **strong, reliable, and cost-effective choice** for replacing a worn or failing balancer in your 1994-1996 Buick Roadmaster. It offers better vibration control than an OEM part and is widely compatible with the GM 3.5L/5.7L V8 engine. However, it is not an OEM replacement, so those seeking exact factory specifications may prefer an OEM balancer or a higher-end aftermarket alternative.

The biggest risks counterfeit parts and installation errors can be mitigated by purchasing from a trusted source and following proper installation procedures. For most owners, this balancer provides a **good balance of performance, durability, and affordability**.

### **Recommendation:**

- **Buy from a reputable dealer** (e.g., RockAuto, Summit Racing, or a local auto parts store with a good return policy) to avoid counterfeit parts.

- **Follow the manufacturer s installation instructions** carefully, especially regarding torque specifications and alignment.

- **Consider an OEM balancer** (e.g., GM 12545826 or equivalent) if you prioritize exact fitment and long-term reliability, though it may cost slightly more.

- **Inspect the balancer upon receipt** for any signs of damage or poor quality (e.g., misaligned holes, soft rubber, or manufacturing defects).

- **Pair the replacement with a full engine mount inspection** if the mounts are worn, replace them simultaneously to prevent future vibration issues.

**Final Verdict:** The **Powerbond Dayco SX-0315 is a recommended choice** for most Buick Roadmaster owners, offering a practical and effective solution for harmonic balancer replacement.

Details:

Dayco Engine Harmonic Balancer for 1994 - 1996 Buick Roadmaster Cylinder Block sz: Status: In Stock.

specifications cranshafengin:

  • for models: Roadmaster
  • for makes: Buick
  • for years: 1994-1996
  • brand: Powerbond By Dayco
  • mpn: Sx-0315
  • item weight: 8.1600
  • ipn: C704 82-56
  • placement on vehicle: Engine Cylinder Block
  • compatible year: 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

general cranshafengin:

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

offer cranshafengin:

  • sold: 0
  • started: February 28, 2026
  • quantity: 2
  • availability: In Stock
  • options: Ship-to-home

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seller cranshafengin:

  • # reviews: 627065
  • city: Indianapolis, Indiana
  • rating: 99.5%
for models: roadmaster, for makes: buick, for years: 1994-1996, item weight: 8.1600, placement on vehicle: engine cylinder block, compatible year: 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: 19095022956017721,
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