MAZDA F801-11-319 Crank Shaft Woodruff Key Pulley Bolts

( Manufacturer Part Number: F801-11-319 ), ( Part Type: Crank Shaft Bolt ), ( Items Included: Bolts )

Review MAZDA Factory Crank Shaft Wood Ruff Key And Pulley Bolts fits B2200

The **Mazda F801-11-319 B2200 Crankshaft Woodruff Key Pulley Bolt** is a precision-engineered fastener specifically designed for the crankshaft pulley assembly of Mazda s B-series engines, including the robust and widely used B2200 model. This high-performance bolt is crafted from a high-strength, heat-treated alloy steel, ensuring exceptional durability and resistance to fatigue, vibration, and torsional stress critical factors in maintaining the structural integrity of the crankshaft pulley system under demanding operating conditions. The bolt features a **Woodruff key slot**, a specialized design that secures the pulley to the crankshaft with a precise, interference-fit connection, preventing slippage and ensuring smooth, synchronized rotation between the components. This keyed interface is essential for transferring power efficiently from the crankshaft to the accessory drive system, including the alternator, power steering pump, and air conditioning compressor, without introducing unwanted play or misalignment.

Constructed with meticulous attention to dimensional accuracy, the bolt adheres to Mazda s stringent engineering tolerances, guaranteeing a snug fit within the crankshaft s splined or keyed bore. Its **fine-threaded design** enhances grip and prevents loosening over time, even under the high vibrational loads common in high-performance or heavy-duty applications. The bolt is typically supplied with a **hex head or socket head cap**, allowing for easy installation and removal with standard automotive tools, while its **coarse or fine thread pitch** (depending on the specific application) ensures optimal clamping force without overtightening. For added protection against corrosion and wear, the bolt may be coated with a **zinc phosphate or cadmium plating**, or treated with a **black oxide finish**, which not only extends its service life but also resists the harsh environments encountered in automotive engines, including exposure to oil, coolant, and moisture.

When replacing or servicing the crankshaft pulley on a Mazda B2200 engine, using an **OEM-quality bolt** like the F801-11-319 is paramount to maintaining engine reliability and performance. These bolts are often part of Mazda s **aftermarket or replacement parts catalog**, ensuring compatibility with both original equipment and aftermarket pulley assemblies. Proper installation requires the use of a **torque wrench** to achieve the manufacturer s specified tightening torque typically ranging between **80 to 120 foot-pounds**, depending on the engine variant to prevent overtightening, which could strip threads or distort the crankshaft bore, or undertightening, which could lead to pulley slippage and potential catastrophic failure. For optimal longevity, it is also recommended to apply a **thread-locking compound** or **anti-seize lubricant** to the threads before installation, further safeguarding against loosening due to vibration. Whether used in a classic Mazda roadster, a restored B-series engine, or a modern performance application, this bolt exemplifies the blend of precision engineering and reliability that Mazda s mechanical components are known for.

**Analysis of Buying Mazda F801-11-319 B2200 Crankshaft Woodruff Key Pulley Bolts**

### **Pros**

1. **Original Equipment Quality (OEM)**: These bolts are designed to match Mazda s specifications, ensuring proper fit, torque, and longevity. OEM parts are engineered to meet the manufacturer s exact standards, reducing the risk of premature failure or misalignment.

2. **Reliability and Durability**: High-quality bolts from Mazda s approved suppliers are built to withstand the stress of crankshaft pulley applications, which experience significant torque and vibration. This reduces the likelihood of stripping or loosening over time.

3. **Compatibility**: These bolts are specifically engineered for the Mazda B2200 engine (likely a 2.2L inline-4 or similar), ensuring they align correctly with the crankshaft keyway and pulley interface. Using non-matching bolts could lead to misalignment or damage.

4. **Warranty and Support**: Purchasing from an authorized Mazda dealer or reputable aftermarket supplier may include warranties or return policies, providing peace of mind in case of defects.

5. **Prevents Future Issues**: A failing or improperly installed pulley bolt can lead to catastrophic engine damage (e.g., sheared crankshaft, bent rods, or timing issues). Replacing them proactively avoids costly repairs down the line.

6. **Ease of Installation**: These bolts are designed for straightforward installation, reducing the risk of errors during assembly. They often come with clear instructions or part numbers for easy identification.

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### **Cons**

1. **Cost**: OEM or high-quality aftermarket bolts are typically more expensive than generic or knockoff alternatives. For a single set, the price may be justified, but bulk purchases or repeated replacements could add up.

2. **Availability**: Depending on the region or supplier, these bolts may not always be in stock at local auto parts stores. Online ordering may be required, which could introduce delays or shipping costs.

3. **Potential for Counterfeit Parts**: If purchasing from untrusted sources (e.g., unscrupulous online sellers), there s a risk of receiving counterfeit or substandard bolts. These may fail prematurely or not fit correctly, voiding warranties.

4. **Overkill for Minor Repairs**: If the bolts are only being replaced due to routine maintenance (e.g., during a pulley or timing belt service) and not due to wear or failure, some may argue that cheaper alternatives could suffice. However, this is not recommended for critical components.

5. **Mixed Reviews on Aftermarket Alternatives**: While some aftermarket brands (e.g., Fel-Pro, ACDelco, or local engine builders) offer high-quality replacements, others may cut corners on materials or machining, leading to inconsistent performance.

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### **Conclusion**

The Mazda F801-11-319 B2200 crankshaft Woodruff key pulley bolts are a **highly recommended choice** for anyone performing maintenance or repairs on a Mazda B2200 engine. The benefits of OEM or premium aftermarket quality such as reliability, compatibility, and long-term durability far outweigh the minor drawbacks (primarily cost and availability). Using substandard bolts could compromise engine integrity, leading to far greater expenses in the future.

For most DIY mechanics or professional shops, the investment in these bolts is justified, especially when considering the critical role they play in crankshaft pulley operation. If budget is a concern, it s advisable to verify the supplier s reputation and opt for well-reviewed aftermarket brands that meet or exceed OEM standards.

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### **Recommendation**

1. **Purchase from a Trusted Source**: Buy from an **authorized Mazda dealer**, a reputable auto parts retailer (e.g., RockAuto, JEGS, or local engine specialists), or a supplier with positive reviews for Mazda parts.

2. **Verify Part Numbers**: Ensure the bolts match the exact specifications (e.g., thread size, length, material grade) for your engine variant. Cross-reference with Mazda service manuals if unsure.

3. **Use Proper Installation Techniques**: Follow torque specifications (typically 80 100 ft-lbs for crankshaft bolts, but confirm for your model) and avoid overtightening. Consider using thread locker (e.g., Loctite 271) to prevent loosening.

4. **Consider Bulk or Kit Options**: If you anticipate future repairs, purchasing a kit (e.g., a set of bolts washers) may offer better value than single units.

5. **Avoid Cheap Alternatives**: Generic bolts from unknown brands may seem cost-effective but risk failure, leading to engine damage. Prioritize quality over price for critical components.

**Final Verdict**: **Buy the OEM or high-quality aftermarket bolts** for peace of mind and long-term engine reliability. The cost is a small price to pay compared to the potential damage from using inferior parts.

Details:

Key is good Threads are nice.

part #: f80111319 prices

• $15.95-$54.95

specifications cranshafengin:

• for models: B2200
• for makes: Mazda
• mpn: F801-11-319
• part type: Crank Shaft Bolt
• items included: Bolts

offer cranshafengin:

• started: March 24, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0

returns cranshafengin:

• policy: No Returns

payments cranshafengin:

• money order
• wallet: Paypal
• credit card: Discover
• other

shipping cranshafengin:

• transit: 3-8 Days
• service: USPS Ground Advantage
• class: Standard
• cost: $5.00
• type: Fixed
• carrier: USPS

seller cranshafengin:

• rating: 100.0%
• city: Edmonds, Washington
• # reviews: 426

general cranshafengin:

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

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