1. Engine Crankshafts Products
  2. sku: 20336929386368721
  3. POWERBOND DAYCO SX-1723

POWERBOND BY DAYCO SX-1723 Engine Harmonic Balancer Dw 5.7L V8

fits model: R10, Suburban. make: Chevrolet. year: 1987–1988.

Sx-1723 Powerbond By Dayco Engine Harmonic Balancer For 1987-1988 Chevrolet R10 Suburban 5.7l V8 Dw

( Brand: Powerbond By Dayco ), ( Manufacturer Part Number: SX-1723 ), ( Item Weight: 11.1100 ), ( Ipn: C709 47-67 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Model: R10 Suburban ), ( Compatible Year: 1988 1987 ), ( 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 Chevrolet 5.7l V8 Dw fits SUBURBAN R10 1987–1988

The **Powerbond Dayco SX-1723 Engine Harmonic Balancer** is a premium, high-performance replacement part designed specifically for the **1987 1988 Chevrolet R10 Suburban** equipped with the legendary **5.7L (350 cubic inch) V8 engine**, particularly those configured with dual exhaust and a drive shaft (DW) setup. This harmonic balancer is engineered to deliver superior vibration damping, enhanced durability, and a seamless power delivery experience, ensuring your robust Chevy truck operates with the smoothness and reliability it was built for. Crafted from high-quality, precision-machined steel, the SX-1723 features a **rubber insert with advanced polymer technology**, which provides exceptional resilience against wear, heat, and fatigue critical factors that contribute to the longevity of your engine s crankshaft assembly. Unlike generic aftermarket alternatives, this balancer is built to exact specifications, guaranteeing a perfect fit with the **LS1-style harmonic balancer mount**, eliminating any potential for misalignment or excessive play that could lead to premature wear on the crankshaft or connecting components. Whether you re restoring a classic Suburban for weekend cruising or maintaining a daily driver that demands reliability, the Powerbond Dayco SX-1723 ensures a quieter, more refined ride while protecting your engine from the harsh vibrations inherent in high-performance V8 applications. Its robust construction and superior damping properties make it an ideal choice for enthusiasts who prioritize both performance and longevity, ensuring your 5.7L V8 remains in peak condition for years to come.

**Pros and Cons of Buying a Powerbond Dayco SX-1723 Engine Harmonic Balancer for a 1987-1988 Chevrolet R10 Suburban (5.7L V8 DW)**

### **Pros**

The Powerbond/Dayco SX-1723 harmonic balancer is a well-regarded aftermarket replacement for the 5.7L (350 CID) Chevrolet V8 engines, including the diesel-powered DW models from the late '80s.

1. **Compatibility and Fitment**

- Designed specifically for the 5.7L V8, including the diesel variant, ensuring proper alignment and function.

- Replaces the stock harmonic balancer without requiring modifications to the engine bay or drivetrain.

2. **Durability and Performance**

- Powerbond/Dayco balancers are known for their robust construction, often featuring high-quality rubber compounds and reinforced steel components.

- The SX-1723 is designed to reduce vibration and dampen engine harmonics, improving smoothness and longevity of the crankshaft and related components.

- The rubber compound is engineered to resist cracking and wear over time, especially in high-mileage or heavy-duty applications like the Suburban.

3. **Cost-Effective Solution**

- Replacing a worn or failing harmonic balancer is significantly cheaper than dealing with the consequences of a failed balancer, such as damaged crankshaft pulleys, serpentine belts, or accessory components.

- The cost of the balancer itself is a fraction of the potential repair costs if the balancer fails catastrophically (e.g., shattering and damaging surrounding parts).

4. **Ease of Installation**

- The SX-1723 is a direct bolt-on replacement, requiring only basic tools (socket set, torque wrench, and possibly a puller if the old balancer is seized).

- Installation time is minimal, typically under an hour for a DIYer with basic mechanical experience.

5. **Warranty and Reliability**

- Powerbond/Dayco products often come with warranties (typically 1-2 years), providing peace of mind against premature failure.

- The brand has a reputation for reliability, with many users reporting long-term performance without issues.

6. **Preventative Maintenance**

- Replacing the harmonic balancer as part of routine maintenance can prevent unexpected failures, especially in older vehicles where the original balancer may be degraded.

- The Suburban s diesel engine (DW) operates under different conditions than gasoline engines, and a fresh balancer can help mitigate stress on the drivetrain.

---

### **Cons**

While the Powerbond/Dayco SX-1723 is a strong choice, there are some potential drawbacks to consider.

1. **Limited Longevity Compared to OEM**

- Aftermarket harmonic balancers, while durable, may not last as long as an original equipment (OEM) part in ideal conditions. However, the SX-1723 is designed to outlast most OEM balancers in typical applications.

- The rubber compound may degrade faster in extreme heat, cold, or under heavy loads over many years.

2. **Potential for Misalignment or Improper Installation**

- If not installed correctly (e.g., not torqued to spec or not properly centered), the balancer could cause vibration issues or even damage the crankshaft pulley.

- Improper installation can also lead to premature wear or failure.

3. **Cost Relative to OEM (If Available)**

- While the aftermarket balancer is affordable, if an OEM replacement is available (e.g., from a junkyard or dealer), it might be slightly cheaper. However, OEM parts often lack the same warranty and may be harder to source.

- For the 1987-1988 Suburban, OEM balancers may be rare or expensive, making the aftermarket option more practical.

4. **Risk of Counterfeit or Low-Quality Copies**

- Some aftermarket balancers sold under similar names or part numbers may be counterfeit or of inferior quality. Purchasing from a reputable supplier (e.g., RockAuto, Summit Racing, or a trusted local auto parts store) minimizes this risk.

- Always verify the part number and brand authenticity before purchasing.

5. **Noisy Operation (In Some Cases)**

- A new harmonic balancer should reduce vibration and noise, but in rare instances, a poorly made or improperly installed balancer could introduce new noises (e.g., whining or rattling). This is usually a sign of installation issues rather than a defect in the balancer itself.

6. **Limited Customization**

- Unlike some high-performance balancers, the SX-1723 is a stock-spec replacement. If you re looking for a performance-tuned balancer (e.g., for reduced weight or improved damping), this may not be the best choice.

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### **Conclusion**

The Powerbond/Dayco SX-1723 harmonic balancer is an excellent choice for the 1987-1988 Chevrolet R10 Suburban s 5.7L V8 DW diesel engine. It offers a balance of durability, ease of installation, and cost-effectiveness, making it a practical preventative maintenance upgrade. The balancer addresses common issues associated with aging harmonic balancers, such as vibration, cracking, and potential catastrophic failure, which could lead to costly repairs.

For most owners, the benefits far outweigh the minor drawbacks, especially given the reliability of the brand and the straightforward installation process. The potential risks (e.g., misalignment or counterfeit parts) can be mitigated by purchasing from a trusted source and following proper installation procedures.

---

### **Recommendation**

**Buy the Powerbond/Dayco SX-1723 harmonic balancer for your 1987-1988 Chevrolet R10 Suburban.** Here s how to proceed: 1. **Purchase from a Reputable Source:**

- Order from well-known online retailers like RockAuto, Summit Racing, or your local auto parts store to ensure authenticity and warranty coverage.

2. **Prepare for Installation:**

- Gather the necessary tools: socket set, torque wrench, harmonic balancer puller (if needed), and possibly a new serpentine belt if it s worn.

- Review installation guides or videos specific to your engine (5.7L V8) to ensure proper alignment and torque specifications.

3. **Inspect the Old Balancer:**

- Before removing the old balancer, check for cracks, excessive wear, or separation from the crankshaft. If it s failing, replacing it is a proactive step to avoid damage to other components.

4. **Install Carefully:**

- Ensure the new balancer is properly centered on the crankshaft and torqued to the manufacturer s specification (typically around 80-100 ft-lbs, depending on the source).

- Double-check that the balancer is securely fastened and that the crankshaft pulley (if separate) is aligned correctly.

5. **Monitor Post-Installation:**

- After installation, drive the vehicle and listen for any unusual noises or vibrations. If issues arise, revisit the installation or consult a mechanic.

6. **Consider Additional Maintenance:**

- While replacing the harmonic balancer, take the opportunity to inspect and replace other worn components, such as the serpentine belt, tensioner, and idlers, to ensure long-term reliability.

**Final Verdict:** The Powerbond/Dayco SX-1723 is a sound investment for your Suburban, offering peace of mind and improved engine smoothness. It s a straightforward upgrade that can extend the life of your engine and prevent more costly repairs down the road.

Details:

Dayco Engine Harmonic Balancer for 1987 - 1988 Chevrolet R10 Suburban 5.7L V8 dw: Status: In Stock.

specifications cranshafengin:

  • for models: R10, Suburban
  • for makes: Chevrolet
  • for years: 1987-1988
  • brand: Powerbond By Dayco
  • mpn: Sx-1723
  • item weight: 11.1100
  • ipn: C709 47-67
  • placement on vehicle: Engine Cylinder Block
  • compatible model: R10 Suburban
  • compatible year: 1988 1987
  • core charge: Free No Core Charge
  • type: Engine Harmonic Balancer
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Dayco Engine Harmonic Balancer

seller cranshafengin:

  • city: Indianapolis, Indiana
  • # reviews: 656466
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general cranshafengin:

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

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  • options: Ship-to-home
  • started: May 13, 2026
  • sold: 0
  • availability: In Stock
  • quantity: 1

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for models: r10, suburban, for makes: chevrolet, for years: 1987-1988, item weight: 11.1100, placement on vehicle: engine cylinder block, compatible model: r10 suburban, compatible year: 1988 1987, 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: 20336929386368721,
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