1. Engine Crankshafts Products
  2. sku: 19736280391331711
  3. NISSAN 12231-08000

NISSAN 12231-08000 Crankshaft Bushing Nos Pcs.

fits model: 280zx. make: Datsun, Nissan. year: 1969–1980.

12231-08000 Nissan 1969 - 1980 Datsun 280zx Crankshaft Bushing 6 Pcs. # Nos Oem

( Brand: Nissan ), ( Manufacturer Part Number: 12231-08000 ), ( Part Type: Crankshaft Bushing ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review NISSAN Datsun Crankshaft Bushing Pcs. Nos Oem fits 280ZX 1969–1980

The **Nissan 12231-08000 Crankshaft Bushing (1969 1980 Datsun 280Z/280ZX, NOS)** is a meticulously crafted, high-performance aftermarket component designed to restore or enhance the structural integrity and longevity of your classic Z-car s engine. This **new-old-stock (NOS) bushing** is engineered to replace the original, often worn or deteriorated crankshaft front seal retainer bushing, which plays a critical role in maintaining precise alignment between the crankshaft and the timing cover assembly. Crafted from high-quality, durable materials, this bushing is precision-machined to exacting specifications, ensuring a snug yet flexible fit that minimizes vibration and prevents premature wear on the crankshaft journal and timing cover bore. Ideal for both restoration projects and high-mileage engines, this part is a direct replacement for the original **Nissan 12231-08000**, making it fully compatible with the **Datsun 280Z (Z-Car), 280ZX (ZX), and related L28/L30 engine applications** from **1969 through 1980**. Whether you're rebuilding an engine for a track day, a dyno session, or a meticulous restoration, this bushing eliminates the risk of misalignment, excessive play, or catastrophic failure, ensuring smooth operation and extended engine life. Available in **new-old-stock condition**, it offers the reliability of a fresh part without the compromises of modern aftermarket alternatives, making it a sought-after choice among enthusiasts who demand authenticity and performance.

### **Pros and Cons of Buying a Nissan/1969-1980 Datsun 280ZX Crankshaft Bushing (Part Number: 12231-08000, NOS)**

#### **Pros:**

1. **Original Equipment Quality (OEM)** NOS (New Old Stock) parts are genuine, factory-made components that meet the original manufacturer s specifications. This ensures proper fit, durability, and performance, reducing the risk of premature failure or compatibility issues.

2. **Long-Term Reliability** The 280ZX is a classic car known for its robust engine design. A high-quality crankshaft bushing (especially from a reputable NOS supplier) will maintain the engine s structural integrity, reducing oil leaks, excessive wear, and potential catastrophic failure.

3. **Preservation of Vintage Value** If you own or restore a 280ZX for classic car enthusiasts, using NOS parts helps maintain the car s authenticity and resale value. Many collectors and purists prefer original or high-quality aftermarket parts over modern replacements.

4. **Superior Fit and Finish** NOS bushings are machined to tight tolerances, ensuring a proper seal and alignment. This minimizes friction, heat buildup, and the risk of oil contamination in the crankshaft area, which is critical for a smooth-running L28 engine.

5. **Easier Maintenance** Since these parts are designed for the original application, installation is straightforward, and you won t need to modify the engine or surrounding components. This saves time and labor costs compared to aftermarket parts that may require additional machining or gaskets.

6. **Reduced Risk of Counterfeit Parts** Reputable NOS suppliers provide certified authenticity, ensuring you re not purchasing a knockoff or a low-quality replica. This is especially important for high-demand parts like crankshaft bushings, which are often faked.

7. **Compatibility with Modifications** Even if you ve modified your 280ZX (e.g., forced induction, high-performance camshafts), a NOS bushing will still perform reliably as long as it s within the engine s original stress limits. It won t introduce weak points that aftermarket parts might.

8. **Long Shelf Life** Properly stored NOS parts can last decades without degradation, making them a wise investment if you plan to work on multiple projects or have a backup for future repairs.

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#### **Cons:**

1. **Higher Cost** NOS parts are significantly more expensive than modern or aftermarket alternatives. A single crankshaft bushing (or a set) can cost **$50 $150 **, depending on the supplier and condition. This may be prohibitive for budget-conscious restorers or casual owners.

2. **Limited Availability** While the 280ZX is a classic, NOS parts for specific components (like crankshaft bushings) can be hard to find. Some suppliers may only carry them in small quantities, leading to longer wait times or higher prices due to demand.

3. **Potential for Overpaying** The NOS market can be saturated with scams, overpriced items, or mislabeled parts. Without proper verification (e.g., serial numbers, original packaging, or supplier reputation), you risk paying for a part that isn t truly NOS or is a reconditioned used item.

4. **Storage and Handling Risks** NOS parts require careful storage to prevent damage from moisture, dust, or physical stress. If the bushing is damaged during shipping or handling, it may not function correctly, leading to wasted money.

5. **Not Always Necessary for Modern Use** If your 280ZX is primarily driven for fun rather than restoration, a high-quality aftermarket bushing (e.g., from **Fel-Pro, Moroso, or a reputable performance supplier**) may offer similar reliability at a fraction of the cost. NOS is only justified for purists or high-mileage builds.

6. **Installation Complexity** While generally straightforward, replacing a crankshaft bushing requires removing the oil pan, crankshaft seals, and possibly the timing cover. If you re not experienced with engine work, labor costs can add up quickly.

7. **Environmental and Ethical Concerns** Some NOS parts come from dismantled salvage yards, raising ethical questions about whether the part was responsibly sourced. Supporting modern aftermarket suppliers can be a more sustainable alternative.

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### **Ending Conclusion:**

Buying a **Nissan/Datsun 280ZX crankshaft bushing (12231-08000, NOS)** is a **strong choice for enthusiasts who prioritize authenticity, long-term reliability, and preservation of their car s value**. The benefits of OEM quality, superior fit, and reduced risk of failure outweigh the drawbacks for those who are committed to maintaining the car s original integrity. However, the **high cost, limited availability, and potential for scams** make it less ideal for casual owners or those on a tight budget.

If your primary goal is **performance or cost efficiency**, a **high-quality aftermarket bushing** (from a trusted brand like **Fel-Pro, Moroso, or a performance specialist**) may be a more practical alternative. But for **restoration purists, collectors, or those who demand the best possible longevity**, NOS remains the gold standard.

### **Recommendation:** - **Buy NOS if:**

- You are restoring a 280ZX for classic car shows or resale.

- You want the most reliable, long-lasting component possible.

- You have verified the supplier s reputation (e.g., **Classic Car Parts Warehouse, JE Pistons, or eBay from trusted sellers**).

- You are willing to pay a premium for OEM quality.

- **Consider Aftermarket if:**

- You need a cost-effective solution for daily driving or a project car.

- You re working with a reputable performance parts supplier (e.g., **Moroso, Fel-Pro, or a local speed shop**).

- You prioritize ease of availability and lower upfront costs.

**Final Tip:** Always inspect the part upon arrival, check for original packaging or documentation, and compare prices across multiple suppliers to ensure you re getting a genuine NOS item at a fair price. If possible, consult with a 280ZX specialist or forum (e.g., **ZCarParts.com, DatsunZ.com**) before purchasing to confirm the part s legitimacy.

Details:

1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 Nissan Datsun 280ZX Crankshaft Bushing # 12231-08000 NOS OEM.

part #: 1223108000 price

  • $168.64

specifications cranshafengin:

  • for models: 280zx
  • for makes: Datsun, Nissan
  • for years: 1969-1980
  • brand: Nissan
  • mpn: 12231-08000
  • part type: Crankshaft Bushing
  • vintage part: Yes
  • country of origin: United States

returns cranshafengin:

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

shipping cranshafengin:

  • transit: 3-7 Days
  • carrier: USPS
  • cost: $8.50
  • service: USPS First Class
  • class: Standard
  • type: Fixed

offer cranshafengin:

  • started: April 8, 2026
  • quantity: 1
  • availability: In Stock
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general cranshafengin:

  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
  • condition: New
for models: 280zx, for makes: datsun, nissan, for years: 1969-1980, part type: crankshaft bushing, vintage part: yes, country of origin: united states,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19736280391331711,
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  • New. Offer #1 priced at $168.64 + $8.50 shipping estimate = $177.14* total. +$8.50 shipping

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