1. Engine Crankshafts Products
  2. sku: 20087798914083663
  3. AISIN PDAGM-00027

AISIN PDAGM-00027 Harmonic Balancer 1997-2005

fits model: Cts, Corvette. make: Chevrolet, Cadillac, Pontiac. year: 2008–2017.

Pdagm-00027 Aisin Harmonic Balancer For Chevrolet Corvette Cadillac Cts Pontiac

( Brand: Aisin ), ( Manufacturer Part Number: PDAGM-00027 ), ( Part Type: Balancer ), ( California Prop 65 Warning: Yes ), ( Oe/oem Part Number: 12583637;12598307;12598831;12635652;12675715 ), ( Country Of Origin: China ), ( Manufacturer Warranty: 1 Year ), ( Overall Outside Diameter: In ), ( Groove Quantity: 10 ), ( Year: 1997-2005, 2008-2017 ), ( Fitment Type: Direct Replacement ), ( Engine: V8 5.7l, V8 6.0l, V8 6.2l )

Review AISIN Harmonic Balancer Chevrolet Cadillac Pontiac fits CORVETTE CTS 2008–2017

The **Aisin PDAGM-00027 Harmonic Balancer** is a high-performance, precision-engineered component designed specifically for the front-drive applications found in iconic American muscle and sports cars, including the Chevrolet Corvette (C5/C6 generations), Cadillac CTS (2004-2015 models), and Pontiac GTO and G8 (2004-2005). This harmonic balancer is a critical part of the engine s crankshaft assembly, serving as a dynamic vibration dampener that mitigates the torsional forces generated during engine operation, ensuring smoother power delivery, reduced wear on the drivetrain, and enhanced longevity of the entire powertrain system. Crafted from high-grade steel and reinforced with a durable rubber or polyurethane composite, the PDAGM-00027 is engineered to withstand the high RPM demands of performance-oriented engines, such as the LS-series V8s and LT-series V6s commonly found in these vehicles. Its robust construction minimizes flexing and resonance, which can lead to rattling noises, premature bearing failure, or even catastrophic engine damage over time. The balancer features a precision-balanced flywheel design, meticulously tuned to match the rotational inertia of the crankshaft, thereby reducing harmful vibrations that could affect drivability, fuel efficiency, or even the integrity of the engine mounts and suspension components. Whether installed in a high-mileage vehicle experiencing wear or as part of a comprehensive engine rebuild, this Aisin harmonic balancer provides a reliable, factory-replacement-grade solution that restores factory performance and reliability. Its compatibility with a range of aftermarket and OEM engine builds including those with upgraded crankshafts or performance chips makes it a versatile choice for both restoration projects and performance upgrades. With its seamless fitment and durability, the PDAGM-00027 ensures that your Chevrolet Corvette, Cadillac CTS, or Pontiac remains a powerhouse on the road or track, free from the headaches associated with worn or failing harmonic balancers.

### **Pros and Cons of Buying an Aisin PDAGM-00027 Harmonic Balancer for Chevrolet Corvette, Cadillac CTS, and Pontiac Vehicles**

#### **Pros:**

1. **Compatibility** The Aisin PDAGM-00027 is a direct-fit replacement for several GM engines, including the LS-series (LS1, LS2, LS3, LS7) found in the Corvette, Cadillac CTS, and Pontiac GTO/G8. This ensures proper alignment and function without modifications.

2. **Durability and Quality** Aisin is a well-known manufacturer in the automotive industry, producing high-quality components for performance and reliability. Their harmonic balancers are designed to withstand high RPMs and stress, which is critical for high-performance engines.

3. **Reduced Vibration and Noise** A failing harmonic balancer can cause excessive vibration, engine noise, and even damage to the crankshaft pulley. Replacing it with a new Aisin unit helps restore smooth operation and reduces unwanted noise.

4. **Prevents Further Damage** A damaged harmonic balancer can lead to cracked pulleys, warped crankshafts, or even engine failure in severe cases. Replacing it proactively avoids costly repairs down the line.

5. **Aftermarket Support** Aisin parts are widely available through auto parts stores, online retailers, and performance shops, making installation and future replacements easier.

6. **Performance Benefits** A properly functioning harmonic balancer helps maintain optimal engine balance, which can improve throttle response and overall drivability, especially in high-performance applications.

---

#### **Cons:**

1. **Cost** While not excessively expensive, a harmonic balancer is still a relatively costly part, typically ranging between **$150 $300** depending on the source. This can be a significant expense if replacing multiple components (e.g., serpentine belt, tensioner, and pulley).

2. **Installation Complexity** Replacing a harmonic balancer requires removing the serpentine belt system, which may involve disconnecting accessories like the power steering pump, A/C compressor, and alternator. This can be time-consuming, especially for DIYers without proper tools or experience.

3. **Potential for Counterfeit Parts** As with many aftermarket components, there is a risk of purchasing a fake or low-quality Aisin harmonic balancer. Buying from reputable dealers (e.g., RockAuto, Summit Racing, or local GM specialty shops) helps mitigate this risk.

4. **Additional Wear Concerns** If the harmonic balancer fails due to neglect (e.g., lack of maintenance, oil contamination, or excessive heat), other components like the crankshaft pulley or engine mounts may also be damaged. A thorough inspection is recommended before installation.

5. **Limited Lifespan** While Aisin parts are durable, harmonic balancers are not designed to last indefinitely. Factors like extreme heat, high RPM usage, or poor maintenance can shorten their lifespan. Most last **50,000 100,000 miles** before needing replacement.

6. **Misalignment Risk** If not installed correctly, the new harmonic balancer could become misaligned with the crankshaft, leading to vibration issues or premature wear. Precision installation is crucial.

---

### **Conclusion:**

The **Aisin PDAGM-00027 harmonic balancer** is a **reliable, high-quality replacement** for the LS-series engines in the Chevrolet Corvette, Cadillac CTS, and Pontiac vehicles. Its **durability, compatibility, and performance benefits** make it a strong choice for both stock and modified applications. However, the **cost, installation complexity, and potential for counterfeit parts** are factors to consider.

For most drivers, the **pros outweigh the cons**, especially if the balancer is failing or showing signs of wear. If you're unsure about installation, consulting a **mechanic or performance shop** is advisable to ensure proper fitment and longevity.

### **Recommendation:**

- **Buy from a trusted source** (e.g., RockAuto, Summit Racing, or a local GM parts dealer) to avoid counterfeit units.

- **Inspect the crankshaft pulley and engine mounts** during replacement to ensure no additional damage exists.

- **Follow proper installation procedures**, including torque specifications and belt alignment.

- **Consider a full belt system replacement** (tensioner, pulleys, belt) if the balancer is being replaced due to age or wear.

- **Monitor for vibration or noise** after installation if issues persist, have the installation checked.

**Final Verdict:** The Aisin PDAGM-00027 is a **solid choice** for those needing a reliable harmonic balancer for their LS-series engine, provided it is installed correctly and sourced from a reputable supplier.

Details:

part #: pdagm00027 price

  • $89.99

specifications cranshafengin:

  • for models: Cts, Corvette
  • for makes: Chevrolet, Cadillac, Pontiac
  • for years: 2008-2017
  • brand: Aisin
  • mpn: Pdagm-00027
  • part type: Balancer
  • california prop 65 warning: Yes
  • oe/oem part number: 12583637;12598307;12598831;12635652;12675715
  • country of origin: China
  • manufacturer warranty: 1 Year
  • overall outside diameter: In
  • groove quantity: 10
  • year: 1997-2005, 2008-2017
  • fitment type: Direct Replacement
  • engine: V8 5.7l, V8 6.0l, V8 6.2l

seller cranshafengin:

  • rating: 99.9%
  • # reviews: 3616
  • city: California

general cranshafengin:

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

payments cranshafengin:

  • other
  • credit card: Diners-club
  • wallet: Paypal

offer cranshafengin:

  • quantity: 2
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: April 30, 2026

shipping cranshafengin:

  • transit: 2-5 Days
  • class: Standard, Expedited, One-day
  • service: Standard, Expedited, Overnight
  • cost: $0.00
  • type: Fixed

returns cranshafengin:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: cts, corvette, for makes: chevrolet, cadillac, pontiac, for years: 2008-2017, part type: balancer, california prop 65 warning: yes, oe/oem part number: 12583637;12598307;12598831;12635652;12675715, country of origin: china, manufacturer warranty: 1 year, overall outside diameter: in, groove quantity: 10, year: 1997-2005, 2008-2017, fitment type: direct replacement, engine: v8 5.7l, v8 6.0l, v8 6.2l,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 20087798914083663,
Aisin PDAGM-00027 Is Similar To:
cranshafengin logo
1 offer $89.99 USD
  • New. Offer #1 priced at $89.99 + $0.00 shipping estimate = $89.99* total. FREE SHIPPING

Copyright © cranshafengin.com