1. Engine Crankshafts Products
  2. sku: 20576343089634663
  3. AISIN PDACH-00155

AISIN PDACH-00155 Harmonic Balancer

fits model: Tj, Cherokee, Wrangler, Grand. make: Jeep. year: 1987–2006.

Pdach-00155 Aisin Harmonic Balancer For Jeep Grand Cherokee Wrangler Tj 1987-2006

( Brand: Aisin ), ( Manufacturer Part Number: PDACH-00155 ), ( Part Type: Balancer ), ( Overall Width: In ), ( Fitment Type: Direct Replacement ), ( California Prop 65 Warning: Yes ), ( Oe/oem Part Number: 33002920, 33002920ab, 33002920ac ), ( Manufacturer Warranty: 1 Year ), ( Engine: L6, 4.0l ), ( Country Of Origin: China )

Review AISIN Harmonic Balancer Jeep fits CHEROKEE WRANGLER GRAND TJ 1987–2006

The **Aisin PDACH-00155 Harmonic Balancer** is a high-performance, precision-engineered component designed specifically for the **1987 2006 Jeep Cherokee and Wrangler TJ (TJ1/TJ2) models**, featuring the iconic **AMC 4.0L V6 engine** with its **EFI (Electronic Fuel Injection) or carbureted** configurations. This harmonic balancer is a critical part of the engine s drivetrain, serving as the interface between the crankshaft and the accessory drive belt system, ensuring smooth operation while absorbing vibrations and torsional forces generated during engine operation. Crafted from **high-strength steel**, the PDACH-00155 is built to withstand the rigorous demands of off-road driving, towing, and high-performance applications, where excessive engine strain and torsional stress can otherwise lead to premature failure of the stock balancer. Unlike generic aftermarket replacements, this Aisin unit incorporates **advanced rubber damping technology** and a **precision-balanced rotor**, which significantly reduces harmful vibrations that can affect drivability, suspension components, and even the engine s longevity over time. The **OEM-fitment design** ensures seamless integration with the stock engine mounts and pulley system, eliminating the need for additional modifications or adjustments, while its **durable rubber compound** is engineered to resist cracking, hardening, or detachment under extreme temperatures, from freezing cold starts to prolonged high-load operation. Whether you re restoring a classic TJ to its original glory or upgrading a high-mileage engine for improved reliability, the Aisin PDACH-00155 harmonic balancer delivers a **direct replacement solution** that restores factory performance while enhancing durability. Its **robust construction and superior vibration-dampening properties** make it an ideal choice for enthusiasts seeking to eliminate rattles, prevent accessory belt wear, and protect the engine s internal components from unnecessary stress. Backed by Aisin s reputation for automotive excellence, this balancer is a **must-have upgrade** for Jeep TJ owners who demand both performance and peace of mind on and off the road.

### Pros and Cons of Buying an Aisin PDACH-00155 Harmonic Balancer for a Jeep Cherokee/Wrangler TJ (1987 2006)

#### **Pros:**

1. **Direct Fitment** The Aisin PDACH-00155 is specifically designed for the 4.0L AMC/Jeep engine found in the TJ Cherokee/Wrangler (1987 2006). This ensures compatibility with the crankshaft pulley, mounting points, and overall engine bay layout without modifications.

2. **Improved Durability** Aisin is a well-known manufacturer of automotive components, particularly in drivetrain and engine parts. Their harmonic balancers are often built with high-quality materials, including reinforced rubber and steel components, which can resist cracking, warping, or premature wear better than OEM or aftermarket alternatives.

3. **Reduced Vibration and Noise** A failing harmonic balancer can cause excessive vibration, rattling, or even a loud humming noise. A new Aisin balancer helps dampen engine vibrations, leading to a smoother ride and quieter operation, especially at higher RPMs.

4. **Prevents Further Damage** A cracked or broken harmonic balancer can damage the crankshaft pulley or even the crankshaft itself if it shatters. Replacing it proactively avoids costly repairs down the line.

5. **Easy Installation** The PDACH-00155 is designed for straightforward installation. It typically requires removing the serpentine belt, pulleys, and accessories, then securing the new balancer with the correct bolts (usually 2 or 3 bolts, depending on the year). Most DIY mechanics can complete this in a few hours with basic tools.

6. **Warranty Coverage** Aisin products often come with a warranty (typically 1 2 years), providing peace of mind against premature failure due to defects.

7. **Cost-Effective Solution** While not the cheapest option, it is generally more affordable than a full engine rebuild or crankshaft replacement, which could be required if the balancer fails catastrophically.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to generic aftermarket or OEM balancers, the Aisin PDACH-00155 is more expensive. Prices typically range between $100 $150, depending on the retailer and whether it s new or refurbished.

2. **Potential for Counterfeit Products** As with many high-demand parts, there is a risk of purchasing a counterfeit Aisin balancer. Always buy from reputable sellers (e.g., RockAuto, Summit Racing, or authorized dealers) to ensure authenticity.

3. **Requires Professional Installation (Optional)** While many TJ owners can install it themselves, those uncomfortable with engine work may need to pay a mechanic for labor, adding to the cost.

4. **Limited Longevity Compared to OEM** Some TJ owners report that even high-quality aftermarket balancers (including Aisin) may not last as long as the original OEM part, especially if the engine is heavily modified or driven aggressively. However, this is more common with lower-quality balancers.

5. **Compatibility with Modifications** If your engine has been modified (e.g., turbocharged, supercharged, or with a high-performance crankshaft), the stock Aisin balancer may not handle the increased stress. In such cases, a reinforced or custom balancer may be necessary.

6. **Accessory Damage Risk** During installation, there is a small chance of damaging nearby components (e.g., power steering pump, alternator, or timing belt accessories) if not careful when removing or reinstalling pulleys.

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### **Conclusion**

The Aisin PDACH-00155 harmonic balancer is a **strong, reliable choice** for the 4.0L AMC/Jeep engine in TJ Cherokees and Wranglers. Its direct fitment, improved durability, and ability to reduce vibration make it a worthwhile investment for owners experiencing or anticipating balancer issues. While it is more expensive than some alternatives, the trade-off in performance and longevity is justified, especially for those who prioritize smooth operation and long-term engine health.

For most TJ owners, the **pros outweigh the cons**, making it a recommended upgrade over a failing or worn-out OEM balancer. However, if budget is a major concern, it s worth comparing prices across sellers and considering refurbished options. Always verify the product s authenticity and ensure proper installation to maximize its lifespan.

### **Recommendation:**

- **Buy the Aisin PDACH-00155** if you notice symptoms of a failing balancer (excessive vibration, rattling, or a humming noise) or as a preventive measure if your vehicle has high mileage.

- **Purchase from a trusted retailer** to avoid counterfeit parts.

- **Follow installation instructions carefully** to prevent damage to other components.

- **Consider professional installation** if you lack experience working on the engine bay.

- **Monitor the balancer s condition** during regular maintenance checks to ensure it remains intact.

For most TJ owners, this balancer provides a **reliable, long-lasting solution** that enhances drivability and protects the engine from further damage.

Details:

part #: pdach00155 price

  • $69.99

specifications cranshafengin:

  • for models: Tj, Cherokee, Wrangler, Grand
  • for makes: Jeep
  • for years: 1987-2006
  • brand: Aisin
  • mpn: Pdach-00155
  • part type: Balancer
  • overall width: In
  • fitment type: Direct Replacement
  • california prop 65 warning: Yes
  • oe/oem part number: 33002920, 33002920ab, 33002920ac
  • manufacturer warranty: 1 Year
  • engine: L6, 4.0l
  • country of origin: China

general cranshafengin:

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

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  • paid by: Seller
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  • policy: Returns Accepted

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  • city: California
  • rating: 99.9%
  • # reviews: 4890

offer cranshafengin:

  • options: Ship-to-home
  • started: May 27, 2026
  • sold: 0
  • availability: In Stock

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for models: tj, cherokee, wrangler, grand, for makes: jeep, for years: 1987-2006, part type: balancer, overall width: in, fitment type: direct replacement, california prop 65 warning: yes, oe/oem part number: 33002920, 33002920ab, 33002920ac, manufacturer warranty: 1 year, engine: l6, 4.0l, country of origin: china,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 20576343089634663,
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