POWERBOND BY DAYCO SX-5628 Engine Harmonic Balancer Cylinder PB350 5.9L V8 Ta

( Brand: Powerbond By Dayco ), ( Manufacturer Part Number: SX-5628 ), ( Item Weight: 8.3800 ), ( Ipn: C601 29-11 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Model: Pb350 ), ( Compatible Year: 1983 1982 1981 ), ( 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: 2.540 In / 64.50 Mm ), ( Hardware Included: No ), ( Ring Width: 1.182 In / 30.00 Mm ), ( Counterweight Balance: Ring Weighted ), ( Outer Ring Material: Cast Iron ), ( Overall Outside Diameter: 7.099 In / 180.30 Mm ), ( Nose Outside Diameter: 2.188 In / 55.55 Mm ), ( Crank Bore: 1.531 In / 38.88 Mm )

Review POWERBOND BY DAYCO Engine Harmonic Balancer Plymouth 5.9l V8 Cylinder Ta fits 1981–1983

The **Powerbond Dayco SX-5628 Engine Harmonic Balancer** is a high-performance, precision-engineered replacement part designed specifically for the 1981 1983 Plymouth PB350 5.9L V8 engine, featuring the iconic **TA (Throttle-Actuated) fuel injection system**. This balancer is meticulously crafted to restore optimal vibration damping, smooth idle operation, and long-term reliability to your powerful 350 cubic-inch V8, which is renowned for its durability and performance in classic muscle cars like the Plymouth Duster, Satellite, and Volare. Built with a **high-strength steel core** and reinforced rubber insert, the SX-5628 is engineered to withstand the torsional forces generated by the high-revving, torque-heavy nature of the LA-series engine block, ensuring consistent power delivery and reduced engine strain. Unlike generic aftermarket alternatives, this balancer incorporates **Dayco s proprietary SX (Super X) technology**, which enhances flexibility and durability while maintaining precise alignment with the crankshaft and accessory drive components. The robust design minimizes harmful vibrations that can lead to premature wear on the timing belt, water pump, and other critical drivetrain parts, making it an essential upgrade for both stock and modified applications. Whether you're restoring a classic muscle car to showroom condition or pushing the limits of a high-performance build, the Powerbond Dayco SX-5628 provides the strength and responsiveness needed to keep your 5.9L V8 running with the smoothness and power it was originally intended to deliver.

### **Pros and Cons of Buying a Powerbond Dayco SX-5628 Engine Harmonic Balancer for a 1981 1983 Plymouth PB350 (5.9L V8)**

1. **Direct Fitment** The SX-5628 is specifically designed for the 5.9L PB350 engine, ensuring compatibility without modifications.

2. **Durability** Powerbond/Dayco harmonic balancers are known for their robust construction, often using high-quality steel and rubber compounds that resist cracking and wear better than OEM parts.

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

4. **Prevents Catastrophic Failure** A cracked or broken harmonic balancer can lead to severe engine damage (e.g., bent rods, damaged timing components). Replacing it proactively avoids costly repairs.

5. **Easier Installation** The SX-5628 is a direct bolt-on replacement, requiring no machining or customization, making it a straightforward DIY or shop job.

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

7. **Cost-Effective** Compared to OEM replacements (which may be hard to source) or repairing damage from a failed balancer, this is a budget-friendly solution.

1. **Aftermarket Reliability Concerns** While Powerbond/Dayco are reputable, some users report that aftermarket harmonic balancers may not last as long as OEM parts (though this varies by brand and quality).

2. **Potential for Misalignment** If not installed correctly (e.g., improper torque or bent bolts), the balancer could cause vibration issues or even damage the crankshaft pulley.

3. **Limited Availability of OEM Parts** While the SX-5628 is a good alternative, OEM harmonic balancers (if available) might offer slightly better longevity, though they are often expensive or hard to find.

4. **Installation Difficulty** On some engines, accessing the balancer requires removing the timing belt/chain cover, which can be labor-intensive for inexperienced DIYers.

5. **Noise from New Balancer** A new harmonic balancer may produce a slight hum or rattle initially as it breaks in, though this usually subsides after some miles.

---

### **Conclusion**

The **Powerbond Dayco SX-5628 harmonic balancer** is a **strong, cost-effective choice** for the 1981 1983 Plymouth PB350. It offers direct fitment, improved durability over OEM parts, and prevents potential engine damage from a failed balancer. While aftermarket parts may not last indefinitely, they are a reliable upgrade for most applications. The main drawbacks potential misalignment risks and minor break-in noise can be mitigated with careful installation.

If you re experiencing **excessive vibration, a loose or cracked balancer, or a rattling sound from the front of the engine**, replacing it is a **practical and preventative maintenance step**. For long-term reliability, consider pairing it with a **high-quality timing belt/chain and water pump service** if due.

- You need a **direct replacement** for your PB350.

- You want a **durable, vibration-reducing solution** at a reasonable price.

- You re comfortable with **basic engine disassembly** (or plan to have a shop install it).

- You have **access to an OEM balancer** (though they re rare and often expensive).

- You re concerned about **long-term longevity** and can afford a premium aftermarket brand (e.g., Gates or AC Delco).

**Final Verdict:** This is a **solid, practical choice** for most owners, balancing cost, fitment, and performance. Install it promptly if your current balancer is worn to avoid further engine stress.

Details:

Dayco Engine Harmonic Balancer for 1981 - 1983 Plymouth PB350 5.9L V8 Cylinder ta: Status: In Stock.

part #: sx5628 prices

• $196.15-$242.82

specifications cranshafengin:

• for makes: Plymouth
• for years: 1981-1983
• brand: Powerbond By Dayco
• mpn: Sx-5628
• item weight: 8.3800
• ipn: C601 29-11
• placement on vehicle: Engine Cylinder Block
• compatible model: Pb350
• compatible year: 1983 1982 1981
• 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: 2.540 In / 64.50 Mm
• hardware included: No
• ring width: 1.182 In / 30.00 Mm
• counterweight balance: Ring Weighted
• outer ring material: Cast Iron
• overall outside diameter: 7.099 In / 180.30 Mm
• nose outside diameter: 2.188 In / 55.55 Mm
• crank bore: 1.531 In / 38.88 Mm

offer cranshafengin:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 4
• started: March 6, 2026

returns cranshafengin:

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

seller cranshafengin:

• rating: 99.5%
• # reviews: 629402
• city: Indianapolis, Indiana

shipping cranshafengin:

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

payments cranshafengin:

• credit card: Diners-club
• wallet: Apple-pay
• other

general cranshafengin:

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

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