1. Engine Crankshafts Products
  2. sku: 19553244040171892
  3. DORMAN OE SOLUTIONS SX-5414

DORMAN OE SOLUTIONS SX-5414 Engine Harmonic Balancer 7.4L V8

fits model: C129, R2500, Rs, Suburban. make: Gmc. year: 1987–1990.

Sx-5414 Dorman - Oe Solutions Engine Harmonic Balancer For 1987-1990 Gmc R2500 Suburban 7.4l V8 Rs

( Brand: Dorman Oe Solutions ), ( Manufacturer Part Number: SX-5414 ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Item Weight: 15.9100 ), ( Ipn: C129 14-52 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Model: R2500 Suburban ), ( Compatible Year: 1990 1989 1988 1987 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Harmonic Balancer ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Engine Harmonic Balancer )

Review DORMAN OE SOLUTIONS Engine Harmonic Balancer Gmc 7.4l V8 fits SUBURBAN C129 R2500 RS 1987–1990

The **Dorman SX-5414 Engine Harmonic Balancer** is a high-quality, direct-fit replacement designed specifically for the **1987 through 1990 GMC R2500 Suburban** equipped with the **7.4L V8 engine**, ensuring optimal performance and reliability for your full-size truck or SUV. Crafted from durable, precision-machined steel, this harmonic balancer is engineered to absorb and dampen the torsional vibrations generated by the engine s crankshaft, preventing excessive wear on critical components such as the timing chain, oil pump, and other drivetrain elements. The SX-5414 features a robust rubber insert that maintains its elasticity under high-stress conditions, providing consistent vibration control even during aggressive driving or heavy loads ideal for the demanding applications of a work truck or off-road adventure. This balancer is built to meet or exceed OEM specifications, ensuring a seamless fit with the stock engine bay, including the mounting flange and bolt pattern, which guarantees easy installation without the need for additional modifications. Whether you're restoring a classic Suburban or maintaining a well-used daily driver, the Dorman SX-5414 delivers the durability and precision needed to keep your 7.4L V8 running smoothly, reducing engine strain and extending the lifespan of your powertrain. Backed by Dorman s reputation for quality and compatibility, this harmonic balancer is a trusted choice for mechanics and enthusiasts alike, offering peace of mind with every mile driven.

### Pros and Cons of Buying a Dorman SX-5414 Engine Harmonic Balancer for a 1987 1990 GMC R2500 Suburban (7.4L V8)

#### **Pros:**

1. **Direct Fitment** The Dorman SX-5414 is specifically designed for the 7.4L V8 engines used in the 1987 1990 GMC R2500 Suburban, ensuring compatibility without modification.

2. **Reliability** Dorman is a well-known brand in the aftermarket parts industry, known for producing durable and high-quality components that meet or exceed OEM standards.

3. **Cost-Effective Replacement** Compared to purchasing an OEM harmonic balancer, the Dorman part is significantly more affordable while still providing a reliable solution.

4. **Ease of Installation** The part is designed to fit standard tools and procedures, making it accessible for both DIY mechanics and professionals.

5. **Reduces Vibration and Noise** A failing harmonic balancer can cause excessive vibration and a rattling noise, which this replacement helps eliminate.

6. **Prevents Further Damage** A worn balancer can lead to damage to the crankshaft or other drivetrain components, so replacing it proactively avoids costly repairs.

7. **Warranty Coverage** Dorman parts often come with a warranty (typically 1 year or more), providing peace of mind against premature failure.

#### **Cons:**

1. **Potential Quality Variations** While generally reliable, aftermarket parts can sometimes have inconsistent quality depending on the batch or supplier. Some users report slight differences in balance or fit compared to OEM parts.

2. **Limited Longevity Compared to OEM** In some cases, aftermarket harmonic balancers may not last as long as the original equipment, though this varies by driving conditions and maintenance.

3. **No Original Equipment Features** The Dorman part may lack some proprietary OEM features (e.g., specific balancing weights or materials), though this rarely affects performance.

4. **Installation Requires Disassembly** Replacing the harmonic balancer requires removing the timing belt, water pump, and accessory pulleys, which can be labor-intensive for inexperienced mechanics.

5. **Cost of Labor** If professional installation is needed, labor costs can add up, though the part itself remains affordable.

#### **Conclusion:**

The Dorman SX-5414 harmonic balancer is a **strong, cost-effective choice** for the 1987 1990 GMC R2500 Suburban s 7.4L V8. It offers reliable performance, ease of installation, and significant savings compared to OEM parts. While there are minor trade-offs in longevity and potential quality variations, these are outweighed by its proven durability and compatibility. For most owners, this is the best balance between affordability and performance.

#### **Recommendation:**

If your harmonic balancer is failing (showing cracks, excessive play, or unusual noise), **purchase the Dorman SX-5414 as a direct replacement**. Ensure you follow proper installation procedures, including reusing the timing belt and properly aligning the crankshaft position sensor. If you re unsure about installation, consult a professional mechanic. Given its reputation and fitment, this is the **best aftermarket option** for your vehicle.

Details:

Dorman Engine Harmonic Balancer for 1987 - 1990 GMC R2500 Suburban 7.4L V8 Rs: Status: In Stock.

part #: sx5414 prices

  • $21.55-$435.44

specifications cranshafengin:

  • for models: C129, R2500, Rs, Suburban
  • for makes: Gmc
  • for years: 1987-1990
  • brand: Dorman Oe Solutions
  • mpn: Sx-5414
  • manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
  • item weight: 15.9100
  • ipn: C129 14-52
  • placement on vehicle: Engine Cylinder Block
  • compatible model: R2500 Suburban
  • compatible year: 1990 1989 1988 1987
  • core charge: Free No Core Charge
  • type: Engine Harmonic Balancer
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Dorman Engine Harmonic Balancer

payments cranshafengin:

  • wallet: Paypal
  • credit card: Diners-club
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offer cranshafengin:

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

returns cranshafengin:

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

seller cranshafengin:

  • # reviews: 638643
  • rating: 99.6%
  • city: Indianapolis, Indiana

shipping cranshafengin:

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

general cranshafengin:

  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
  • condition: New
for models: c129, r2500, rs, suburban, for makes: gmc, for years: 1987-1990, manufacturer warranty: 1 year / 2 years / 3 years / 5 years depending on part, item weight: 15.9100, placement on vehicle: engine cylinder block, compatible model: r2500 suburban, compatible year: 1990 1989 1988 1987, core charge: free no core charge, type: engine harmonic balancer, fitment type: direct replacement, bundle description: 1 pc genuine dorman engine harmonic balancer,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19553244040171892,
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