1. Engine Crankshafts Products
  2. sku: 19675695458782722
  3. KARPARTS360 CLX-M0-USA-O312301-CL360A80

KARPARTS360 CLX-M0-USA-O312301-CL360A80 Harmonic Balancer 197238950259 Kit CYL-3.4L/3.1L

fits model: Alero. make: Oldsmobile. year: 1999–2004.

Clx-m0-usa-o312301-cl360a80 Karparts360 For Oldsmobile Alero Harmonic Balancer 1999 00 01 02 03 2004 Kit 6 Cyl-3.4l/3.1l

( Brand: Karparts360 ), ( Manufacturer Part Number: CLX-M0-USA-O312301-CL360A80 ), ( Part Type: Balancer ), ( Oe/oem Part Number: 24504609 ), ( Country Of Origin: Taiwan ), ( Item Weight: 5.5400 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: 1993-1997 Oldsmobile Cutlass Supreme, 6 Cyl 3.1l, L82 Engine ), ( Intended Use: Automobiles ), ( Side: Driver Or Passenger Side ), ( Misc Fitment Notes: See Notes ), ( Manufacturer Warranty: 1 Year ), ( Ballast Included: No ), ( Generic Keywords 2: Interchange Part ), ( UPC: 197238950259 )

Review KARPARTS360 Oldsmobile Harmonic Balancer Kit Cyl-3.4l/3.1l fits ALERO 1999–2004

The **KarParts360 CLX-M0-USA-O312301-CL360A80 Harmonic Balancer Kit** is a high-quality, precision-engineered replacement part designed specifically for the **Oldsmobile Alero** models equipped with the **3.4L (V6) and 3.1L (V6) engines** from the years **1999 through 2003**, with an extended application to **2004** in certain configurations. This kit is meticulously crafted to address common issues associated with worn or failing harmonic balancers, which can lead to excessive vibration, unusual noises, and even potential damage to the drivetrain if left unaddressed. The harmonic balancer serves as a critical component in the engine s crankshaft assembly, absorbing and dampening the torsional vibrations generated during operation, ensuring smooth power delivery and longevity of the drivetrain components.

Constructed from **high-grade steel and reinforced rubber compounds**, this balancer is engineered to withstand the rigorous demands of modern automotive engines while maintaining optimal performance and durability. The kit includes a **complete assembly**, featuring a **pre-assembled harmonic balancer with a robust rubber insert**, a **precision-machined steel hub**, and a **high-torque retaining bolt** designed to secure the component firmly in place. The rubber insert is formulated to provide superior vibration damping, reducing harshness and preventing premature wear on the crankshaft and associated parts. Additionally, the kit is compatible with the **Oldsmobile Alero s specific crankshaft spline configuration**, ensuring a seamless fit and proper alignment during installation.

One of the standout features of this harmonic balancer kit is its **OEM-level quality**, which surpasses many aftermarket alternatives in terms of material integrity and engineering precision. The balancer is **machine-balanced** to exact specifications, minimizing any potential for imbalance that could introduce additional vibrations or stress on the engine. This attention to detail is particularly important for the **3.4L and 3.1L V6 engines** found in the Alero, which rely on a smooth-running harmonic balancer to maintain optimal power output and drivability. The kit is also designed to be **easy to install**, with clear instructions and compatible tools, making it an ideal choice for both professional mechanics and experienced DIY enthusiasts.

For owners of the **Oldsmobile Alero** seeking a reliable and long-lasting solution to harmonic balancer issues, this **KarParts360 kit** offers a cost-effective alternative to OEM parts while delivering performance comparable to factory specifications. Whether addressing symptoms such as **excessive vibration, a grinding or whining noise from the engine bay, or visible cracks in the existing balancer**, this kit provides a durable and efficient replacement. Its compatibility with the **1999-2004 model years** ensures broad applicability, making it a versatile choice for restoring smooth operation to these popular vehicles. By investing in this high-quality harmonic balancer, Alero owners can restore confidence in their engine s performance, extend the lifespan of their drivetrain, and enjoy a quieter, more refined driving experience.

**Pros and Cons of buying a KarParts360 CLX-M0-USA-O312301-CL360A80 Harmonic Balancer Kit for a 1999 2004 Oldsmobile Alero (3.4L/3.1L, Cyl-3)**

### **Pros**

1. **Compatibility and Fitment**

The part is specifically listed for your vehicle s year range (1999 2004) and engine variants (3.4L/3.1L), reducing the risk of incorrect sizing or installation issues. KarParts360 is a reputable supplier that often provides accurate fitment details, which helps avoid returns or mismatched components.

2. **Quality and Durability**

KarParts360 is known for sourcing aftermarket parts from reliable manufacturers, including OEM-quality or high-grade alternatives. The harmonic balancer in this kit is likely designed to withstand the torque and vibrations of your engine, potentially extending its lifespan compared to a worn-out original part.

3. **Cost-Effectiveness**

Purchasing a kit (rather than individual parts) can be more economical than buying each component separately. Harmonic balancers are critical for engine smoothness, and replacing them as part of a maintenance routine can prevent costly damage to related components like the crankshaft or transmission.

4. **Ease of Installation**

The kit includes the harmonic balancer and often comes with necessary hardware (e.g., bolts, gaskets, or mounting components). This simplifies the replacement process, especially for DIYers, as you won t need to source additional parts separately.

5. **Preventative Maintenance**

A failing harmonic balancer can cause excessive vibration, crankshaft damage, or even transmission issues. Replacing it proactively can save you from more extensive (and expensive) repairs down the line. The 1999 2004 Alero s harmonic balancer may wear out due to age or high mileage, making this a prudent upgrade.

6. **Warranty and Support**

KarParts360 typically offers warranties on their parts, providing some recourse if the balancer fails prematurely due to defects. Their customer service can also assist with fitment questions or installation guidance.

7. **Performance Benefits**

A new harmonic balancer reduces engine vibration, improves drivability, and can enhance the overall feel of the vehicle. For older cars, this can make the driving experience more comfortable and predictable.

---

### **Cons**

1. **Potential Quality Variations**

While KarParts360 is a trusted supplier, aftermarket parts even from reputable brands may not match the exact durability of OEM components. Some harmonic balancers from third-party manufacturers have been known to crack or wear out faster than expected, especially under heavy loads or in high-mileage vehicles.

2. **Installation Complexity**

Replacing a harmonic balancer requires removing the drive belt, serpentine belt, and sometimes the alternator or power steering pump. If you re not experienced with engine work, this job can be time-consuming and challenging. Improper installation (e.g., incorrect torque or misalignment) could lead to premature failure or damage to the crankshaft seal.

3. **Cost Relative to OEM**

While the kit is priced affordably, it may still be more expensive than an OEM harmonic balancer if you can find one. However, OEM parts can sometimes be harder to locate for older vehicles like the Alero, and aftermarket kits often include additional components (e.g., bolts, gaskets) that OEM parts may not.

4. **Limited Availability of Specific Parts**

If the kit doesn t include everything you need (e.g., a new crankshaft seal or pulley), you may have to purchase those separately. This could add to the overall cost and complexity of the job.

5. **Risk of Counterfeit Parts**

While unlikely with KarParts360, there is a small risk of receiving a counterfeit or low-quality part, especially if the supplier s inventory isn t well-vetted. Always verify the part s authenticity and check reviews or forums for feedback on the specific kit.

6. **Mixed Reviews on Longevity**

Some users report that aftermarket harmonic balancers, even from reputable brands, don t last as long as OEM parts. If your Alero has high mileage or is used for towing/heavy loads, the balancer may need replacement sooner than anticipated.

7. **Potential for Overkill**

If your harmonic balancer is only slightly worn (e.g., minor cracks or vibration), replacing it as part of a kit might be more than necessary. In such cases, a standalone balancer could suffice, saving you money.

---

### **Conclusion**

The **KarParts360 CLX-M0-USA-O312301-CL360A80 harmonic balancer kit** is a **strong choice** for your 1999 2004 Oldsmobile Alero, particularly if you re performing routine maintenance or notice symptoms of a failing balancer (e.g., excessive vibration, wobbling pulley, or unusual noises). The kit offers **good compatibility, cost savings, and ease of installation**, while also providing **preventative benefits** that can protect your engine and transmission.

However, the **quality and longevity** of aftermarket parts can vary, and the **installation process is not trivial** for beginners. If you re comfortable with basic engine work, this kit is a **reliable and practical option**. If you re unsure about installation or want the absolute longest lifespan, you might consider an **OEM balancer** (if available) or a **high-end aftermarket brand** with a proven track record for durability.

For most DIYers, the **pros outweigh the cons**, making this a **recommended purchase** especially when combined with careful installation and regular maintenance checks.

---

### **Final Recommendation**

**Buy the KarParts360 kit** if:

- You re experiencing symptoms of a failing harmonic balancer (vibration, noise, or visible damage).

- You re comfortable with the installation process or have access to someone who can assist.

- You want a cost-effective, all-in-one solution for a critical engine component.

**Consider alternatives if:**

- You prefer OEM parts and can source them at a reasonable price.

- Your balancer is only mildly worn, and you d rather avoid replacing it entirely.

- You re unsure about installation and don t have access to mechanical help.

**Additional Tips:**

- Inspect the balancer for cracks, wobble, or excessive play before purchasing.

- Pair the replacement with a **new crankshaft seal** if it s worn, as they re often replaced together.

- Follow the manufacturer s torque specifications during installation to avoid damage.

- If in doubt, consult a mechanic for professional installation or advice.

Details:

From precision-engineered lighting solutions to high-quality replacement parts, these top-rated items are trusted by drivers and mechanics. I really appreciate the careful packaging to ensure everything arrived safely. Great value and quality as they were not only beautiful but CAPA approved. Built for Durability: Made from high-quality materials, this product has been tested to ensure long-lasting performance.

I would gladly purchase again in the future. Honest and reliable highly recommended for anyone considering buying from them. What I was looking for at a fair price, accurately described, packed well and shipped quickly. Ruico37: Verified Purchaser.

Priced right, well packed for shipping, sent lightning quick. The item arrived quickly, well packaged, and exactly as described. Item was as described Arrived very quickly and packed well in good condition. Would be happy to do business again in the future.

Chamber-58: Verified Purchaser. Item received new, as described, of apparent OEM quality. OLDSMOBILE: ALERO 1999 - 2004. My headlights arrived very quickly, were well packaged and in great condition.

Whether you're upgrading for or restoring factory performance, our picks deliver excellent value and dependable reliability. Fast shipping, Well packaged, as described and great price. Jody ne: Verified Purchaser. Lasconi95: Verified Purchaser.

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part #: 197238950259 prices

  • $44.58-$61.72

specifications cranshafengin:

  • for models: Alero
  • for makes: Oldsmobile
  • for years: 1999-2004
  • brand: Karparts360
  • mpn: Clx-m0-usa-o312301-cl360a80
  • part type: Balancer
  • oe/oem part number: 24504609
  • country of origin: Taiwan
  • item weight: 5.5400
  • fitment type: Direct Replacement
  • generic keywords 1: 1993-1997 Oldsmobile Cutlass Supreme, 6 Cyl 3.1l, L82 Engine
  • intended use: Automobiles
  • side: Driver Or Passenger Side
  • misc fitment notes: See Notes
  • manufacturer warranty: 1 Year
  • ballast included: No
  • generic keywords 2: Interchange Part
  • upc: 197238950259

returns cranshafengin:

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

shipping cranshafengin:

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

seller cranshafengin:

  • city: La Salle, IL
  • rating: 99.7%
  • # reviews: 152709

offer cranshafengin:

  • quantity: 10
  • started: April 5, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

payments cranshafengin:

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

general cranshafengin:

  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
  • condition: New
for models: alero, for makes: oldsmobile, for years: 1999-2004, part type: balancer, oe/oem part number: 24504609, country of origin: taiwan, item weight: 5.5400, fitment type: direct replacement, generic keywords 1: 1993-1997 oldsmobile cutlass supreme, 6 cyl 3.1l, l82 engine, intended use: automobiles, side: driver or passenger side, misc fitment notes: see notes, manufacturer warranty: 1 year, ballast included: no, generic keywords 2: interchange part,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19675695458782722,
Karparts360 CYL-3.4L Is Similar To:
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3 offers $44.58–$61.72 USD
  • New. Offer #1 priced at $61.72 + $0.00 shipping estimate = $61.72* total. FREE SHIPPING
  • New. Offer #2 priced at $61.72 + $0.00 shipping estimate = $61.72* total. FREE SHIPPING
  • New. Offer #3 priced at $44.58 + $0.00 shipping estimate = $44.58* total. - Components: (2) Cylinder Head Gasket ALERO 1999-2004.FREE SHIPPING

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