1. Engine Crankshafts Products
  2. sku: 19526190910748603
  3. POWERBOND DAYCO SX-1472

POWERBOND BY DAYCO SX-1472 Engine Harmonic Balancer 5.7L V8

fits model: K5, Xa, Blazer. make: Chevrolet. year: 1975–1976.

Sx-1472 Powerbond By Dayco Engine Harmonic Balancer For 1975-1976 Chevrolet K5 Blazer 5.7l V8 Xa

( Brand: Powerbond By Dayco ), ( Manufacturer Part Number: SX-1472 ), ( Item Weight: 11.6700 ), ( Ipn: C183 49-57 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Model: K5 Blazer ), ( Compatible Year: 1976 1975 ), ( 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 ), ( Overall Width: 2.347 In / 59.60 Mm ), ( Hardware Included: No ), ( Ring Width: 1.523 In / 38.68 Mm ), ( Counterweight Balance: Neutral, No Counterweight ), ( Outer Ring Material: Steel ), ( Overall Outside Diameter: 7.953 In / 202.00 Mm ), ( Nose Outside Diameter: 1.762 In / 44.75 Mm ), ( Crank Bore: 1.245 In / 31.60 Mm )

Review POWERBOND BY DAYCO Engine Harmonic Balancer Chevrolet 5.7l V8 fits BLAZER K5 XA 1975–1976

The **Powerbond Dayco SX-1472 Engine Harmonic Balancer** is a high-performance, precision-engineered replacement part designed specifically for the **1975 1976 Chevrolet K5 Blazer** equipped with the legendary **5.7L (350 cubic inch) V8 engine** in the **XA trim**. This harmonic balancer is meticulously crafted to restore optimal vibration damping, reduce engine noise, and enhance drivability, ensuring a seamless and smooth operation for your classic muscle or off-road vehicle. Built with **high-quality rubber and reinforced steel components**, the SX-1472 is engineered to withstand the demanding stresses of high-performance applications, including aggressive driving, towing, and heavy-duty use. Unlike standard OEM balancers, which are prone to cracking or failing under prolonged stress, this aftermarket upgrade features a **durable, rubberized outer layer** that maintains its elasticity over time, effectively isolating engine vibrations and preventing harmful torsional forces from transferring to the crankshaft. The **precision-machined steel core** ensures perfect alignment with the crankshaft, minimizing wear on related components such as the timing belt, water pump, and accessory drive systems. Whether you're restoring your Blazer to factory specifications or pushing it to the limits of performance, the **Powerbond Dayco SX-1472** delivers the reliability and quiet operation expected from a premium aftermarket part. Its **direct-fit design** eliminates the need for modifications, making installation straightforward for mechanics of all skill levels, while its **long-lasting durability** ensures it will serve as a critical component in maintaining the longevity and performance of your 350 V8 engine. Trusted by enthusiasts and professionals alike, this harmonic balancer is the ideal choice for those seeking a balance of strength, precision, and quiet operation in their classic Chevrolet K5 Blazer.

### **Pros and Cons of buying a Powerbond Dayco SX-1472 Engine Harmonic Balancer for a 1975-1976 Chevrolet K5 Blazer 5.7L V8 (XA)**

#### **Pros:**

1. **OEM Replacement Quality** The Powerbond/Dayco SX-1472 is a direct replacement for the original harmonic balancer used in the 5.7L V8 (L34/L38 engine) in your Blazer. It is designed to match the factory specifications in terms of size, mounting, and performance, ensuring a proper fit and function.

2. **Durability and Performance** Powerbond/Dayco is a well-known brand in the aftermarket automotive industry, known for producing high-quality engine components. Their harmonic balancers are designed to reduce vibration, smooth out engine operation, and prevent excessive wear on the crankshaft and related components.

3. **Compatibility** This specific part (SX-1472) is engineered to fit the 5.7L V8 engines in the 1975-1976 Chevrolet K5 Blazer (XA platform) without modification. It should align correctly with the crankshaft and engine bay layout.

4. **Reliability** Harmonic balancers are critical components that help absorb engine vibrations. A high-quality replacement like this one can extend the life of your engine by reducing stress on the crankshaft and flywheel.

5. **Ease of Installation** Since it is a direct replacement, the installation process should be straightforward for someone with basic mechanical knowledge. No modifications to the engine or surrounding components are typically required.

6. **Warranty Coverage** Powerbond/Dayco parts often come with warranties, providing some level of protection against defects or premature failure.

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#### **Cons:**

1. **Cost** While not excessively expensive, a harmonic balancer is still a relatively costly part compared to other engine components. The price may be a concern if you are working on a budget or if this is part of a larger repair project.

2. **Potential for Counterfeit Parts** The aftermarket for automotive parts can sometimes include counterfeit or low-quality replicas. Ensure you are purchasing from a reputable seller (such as a trusted auto parts store, dealer, or online retailer with good reviews) to avoid receiving a substandard or fake part.

3. **Mismatch with Aftermarket Modifications** If your engine has been modified (e.g., with a performance camshaft, turbocharger, or other upgrades), the stock harmonic balancer (or even this replacement) may not be sufficient. In such cases, a more robust or performance-oriented balancer might be necessary.

4. **Limited Lifespan** While high-quality, harmonic balancers are not designed to last indefinitely. They can wear out over time, especially if the engine experiences excessive vibration or stress. Regular inspection during maintenance is recommended.

5. **Installation Challenges** If the original balancer was seized or damaged, removing it could be difficult. You may need to use heat, penetrating oil, or specialized tools to avoid damaging the crankshaft or engine components during removal.

6. **Potential for Vibration Issues** If the balancer is not properly installed or if it is of inferior quality, it may not effectively dampen vibrations, leading to rattling noises or increased wear on the engine.

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### **Conclusion:**

The **Powerbond Dayco SX-1472 harmonic balancer** is a solid choice for replacing the original component in your 1975-1976 Chevrolet K5 Blazer s 5.7L V8 engine. It offers OEM-level quality, durability, and compatibility, making it a reliable option for restoring smooth engine operation and preventing potential damage from excessive vibration. However, it is important to weigh the cost against your budget and ensure you are purchasing from a trusted source to avoid counterfeit parts.

If your engine is stock or lightly modified, this balancer should perform well. For heavily modified engines or high-performance applications, consider consulting with a mechanic or performance specialist to determine if a more advanced balancer is needed.

### **Recommendation:**

- **Proceed with purchasing the Powerbond Dayco SX-1472** if you are replacing a worn or damaged harmonic balancer in your stock or lightly modified 5.7L V8 engine.

- **Verify the part number and compatibility** with your specific engine build (e.g., carbureted vs. fuel-injected, any modifications) before purchasing.

- **Purchase from a reputable seller** (e.g., RockAuto, local auto parts stores, or a trusted online retailer) to ensure you receive an authentic, high-quality part.

- **Follow proper installation procedures**, including ensuring the balancer is securely bolted and aligned with the crankshaft.

- **Monitor engine operation** after installation to confirm that vibrations are reduced and there are no unusual noises or issues.

If you are unsure about the condition of your existing balancer or have concerns about engine modifications, consult a mechanic to assess whether this part is the best fit for your specific situation.

Details:

Dayco Engine Harmonic Balancer for 1975-1976 Chevrolet K5 Blazer 5.7L V8 Xa: Status: In Stock.

specifications cranshafengin:

  • for models: K5, Xa, Blazer
  • for makes: Chevrolet
  • for years: 1975-1976
  • brand: Powerbond By Dayco
  • mpn: Sx-1472
  • item weight: 11.6700
  • ipn: C183 49-57
  • placement on vehicle: Engine Cylinder Block
  • compatible model: K5 Blazer
  • compatible year: 1976 1975
  • 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
  • overall width: 2.347 In / 59.60 Mm
  • hardware included: No
  • ring width: 1.523 In / 38.68 Mm
  • counterweight balance: Neutral, No Counterweight
  • outer ring material: Steel
  • overall outside diameter: 7.953 In / 202.00 Mm
  • nose outside diameter: 1.762 In / 44.75 Mm
  • crank bore: 1.245 In / 31.60 Mm

general cranshafengin:

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

seller cranshafengin:

  • city: Indianapolis, Indiana
  • # reviews: 637984
  • rating: 99.6%

returns cranshafengin:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

payments cranshafengin:

  • wallet: Google-pay
  • credit card: Visa
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shipping cranshafengin:

  • class: Standard, Expedited
  • type: Fixed
  • transit: 3-6 Days
  • cost: $0.00
  • service: Standard, Expedited

offer cranshafengin:

  • sold: 0
  • options: Ship-to-home
  • started: March 27, 2026
  • availability: In Stock
  • quantity: 2
for models: k5, xa, blazer, for makes: chevrolet, for years: 1975-1976, item weight: 11.6700, placement on vehicle: engine cylinder block, compatible model: k5 blazer, compatible year: 1976 1975, 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, overall width: 2.347 in / 59.60 mm, hardware included: no, ring width: 1.523 in / 38.68 mm, counterweight balance: neutral, no counterweight, outer ring material: steel, overall outside diameter: 7.953 in / 202.00 mm, nose outside diameter: 1.762 in / 44.75 mm, crank bore: 1.245 in / 31.60 mm,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19526190910748603,
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