MITSUBISHI 309-50070 Harmonic Balancer 1.5L

( Model: MIRAGE ), ( Part Type: Balancer ), ( Conditions Options: 1.5 ), ( Genuine Oem: Yes ), ( Ipn: 309-50070 )

Review MITSUBISHI Harmonic Balancer 1.5l fits MIRAGE COLT 1991–1996

The **Mitsubishi 309-50070 Harmonic Balancer** is a precision-engineered component designed specifically for the **1.5L 91-96 Colt engine family**, ensuring optimal performance, durability, and smooth operation under demanding driving conditions. This high-quality harmonic balancer is crafted to mitigate engine vibrations, reduce stress on critical drivetrain components, and enhance overall drivability by absorbing torsional forces generated during engine operation. Engineered from a **high-strength, heat-treated steel alloy**, this balancer features a robust **rubberized damping material** that maintains its resilience even under prolonged exposure to extreme temperatures, oil contamination, and mechanical strain. The **precision-balanced design** minimizes unwanted harmonic vibrations, which can otherwise lead to premature wear on the crankshaft, transmission, and suspension components, ultimately extending the lifespan of your engine and related systems. Whether you're restoring a classic Colt, upgrading a high-performance build, or addressing a vibration-related issue, this **OEM-replacement part** delivers the same level of reliability and performance as the original equipment, ensuring seamless integration with the **91-96 Colt s 1.5L G63B engine**. Its **universal fitment** makes it an ideal solution for enthusiasts and mechanics seeking a cost-effective yet high-performance alternative to aftermarket alternatives, all while adhering to Mitsubishi s strict engineering standards.

**Pros and Cons of buying a Mitsubishi 309-50070 Harmonic Balancer (1.5L, 91-96 Colt)**

The **Mitsubishi 309-50070 harmonic balancer** is a common aftermarket replacement part for the 1.5L G63B engine found in the 1991 1996 Mitsubishi Colt. Here are the key advantages of purchasing this part:

1. **Direct Fitment** This is a **direct replacement** for the stock harmonic balancer in the 1.5L G63B engine, meaning no modifications are required for installation. It will bolt on identically to the original part.

2. **Reliability** Aftermarket harmonic balancers from reputable brands (such as **Mitsubishi Genuine, ACDelco, or Moroso**) are designed to last significantly longer than the stock unit, which is known for failing prematurely due to wear or rubber degradation.

3. **Reduced Vibration & Noise** A failing harmonic balancer can cause excessive engine vibration, a grinding noise, or even a "clunking" sound when accelerating. A new balancer helps smooth out engine operation, improving drivability.

4. **Prevents Further Damage** If the harmonic balancer fails completely, it can damage the crankshaft pulley or even the crankshaft itself. Replacing it proactively avoids costly repairs down the line.

5. **Affordable Replacement** Compared to engine rebuilds or crankshaft damage, a harmonic balancer is a **low-cost fix**, typically ranging from **$30 to $80** depending on the brand and retailer.

6. **Easy Installation** The part is straightforward to replace, requiring only basic tools (socket set, torque wrench, and possibly a puller if the old balancer is seized). Many mechanics or DIYers can complete the job in under an hour.

7. **Extended Engine Life** Since the harmonic balancer absorbs vibration, keeping it in good condition helps protect the **crankshaft pulley, serpentine belt, and related components**, prolonging their lifespan.

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1. **Quality Variability** Not all aftermarket harmonic balancers are created equal. **Cheap or low-quality units** may fail prematurely, especially if they use substandard rubber or have poor balancing. Always opt for a **well-reviewed brand** (e.g., **ACDelco, Moroso, or even a genuine OEM replacement** if available).

2. **Potential for Misalignment** If the **crankshaft pulley or timing belt tensioner** is worn, installing a new harmonic balancer without addressing these issues can lead to **vibration or noise problems**. A full inspection of the drivetrain is recommended.

3. **Torque Specifications Must Be Followed** Over-tightening or under-tightening the harmonic balancer bolt can cause **stripped threads or premature failure**. Always use a **torque wrench** and follow the manufacturer s specifications (typically **70 90 ft-lbs** for this application).

4. **Rubber Degradation Over Time** Even high-quality harmonic balancers will eventually wear out, especially in **high-mileage or high-performance applications**. Expect it to last **50,000 100,000 miles**, depending on driving conditions.

5. **Possible Compatibility Issues with Mods** If the engine has been **tuned for forced induction (turbo/supercharger) or high RPM**, a standard harmonic balancer may not handle the increased stress. In such cases, a **performance-grade balancer** (e.g., **Moroso 10-10000 or similar**) may be necessary.

6. **Limited Availability of Genuine Parts** While aftermarket options are plentiful, **genuine Mitsubishi harmonic balancers** (if available) may be more expensive and harder to find, though they often provide better long-term reliability.

7. **Risk of Counterfeit Parts** Purchasing from **unverified sellers** (especially online marketplaces) increases the chance of receiving a **fake or low-quality part**. Always buy from **reputable retailers** (RockAuto, Amazon, local auto parts stores) or confirmed sellers.

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The **Mitsubishi 309-50070 harmonic balancer** is a **wise and cost-effective replacement** for the 1.5L G63B engine in 1991 1996 Colt models. It addresses a common failure point in these engines, improving drivability and preventing more severe damage. However, **quality and proper installation** are critical to ensuring long-term success.

If you re experiencing **excessive vibration, a grinding noise, or a wobbling harmonic balancer**, replacing it is a **practical and preventative maintenance step**. Just ensure you:

- Choose a **reputable brand** (avoid the absolute cheapest options).

- Follow **correct torque specifications**.

- Inspect the **crankshaft pulley and timing belt system** while the engine is out.

- Consider a **performance balancer** if the engine is modified.

For most **stock or lightly modified 1.5L Colt engines**, this part is a **solid, budget-friendly upgrade** that extends engine life and reduces annoying noise.

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- **Best Choice for Most Owners:** **ACDelco GM 12R1169** or **Moroso 10-10000** (both are well-regarded aftermarket options).

- **If Budget Allows:** **Genuine Mitsubishi harmonic balancer** (if available) for slightly better longevity.

- **For High-Performance Engines:** **Moroso 10-10000 or similar performance balancer** to handle increased stress.

- **Where to Buy:** **RockAuto, Amazon, or a trusted local auto parts store** to avoid counterfeit parts.

- **Installation Tip:** If unsure, have a mechanic perform the replacement to ensure proper alignment and torque.

**Final Verdict:** **Worth the investment** if you re dealing with a failing harmonic balancer it s a **simple, affordable fix** that prevents bigger problems. Just prioritize **quality and proper installation** for the best results.

Details:

Buyer pays for return shipping. COLT 93-96 1.5L.

part #: mirage prices

• $44.99-$72.00

specifications cranshafengin:

• for models: Mirage, Colt
• for makes: Mitsubishi
• for years: 1991-1996
• model: Mirage
• part type: Balancer
• conditions options: 1.5
• genuine oem: Yes
• ipn: 309-50070

general cranshafengin:

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

payments cranshafengin:

• credit card: Discover
• other
• wallet: Apple-pay

returns cranshafengin:

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

shipping cranshafengin:

• type: Fixed
• service: Standard
• transit: 4-8 Days
• class: Standard
• cost: $0.00

offer cranshafengin:

• sold: 0
• quantity: 1
• availability: In Stock
• started: May 14, 2026
• options: Ship-to-home

seller cranshafengin:

• city: West Palm Beach, Florida
• rating: 99.3%
• # reviews: 984

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