MAZDA B6311180 Crankshaft Bolt Nose 1990-1991.5 B631-11-40 1.6

( Manufacturer Part Number: B6311180 ), ( Part Type: Crankshaft Bolt ), ( Items Included: Bolts ), ( Material: Steel )

Review MAZDA 1990 1991.5 Crankshaft Bolt Short Nose 1.6 Qty fits MIATA MX5

Mazda B6311180 Crankshaft Bolt Nose (1.6L MX-5 Miata - 1990-1991.5)

The Mazda B6311180 Crankshaft Bolt Nose is a crucial component for the maintenance and repair of your 1990-1991.5 Miata (also known as MX-5). This specific bolt, part number B631-11-40, is designed to provide a secure connection between the crankshaft and the connecting rods in your engine.

This high-quality bolt is engineered to meet the exact specifications of your Miata's engine, ensuring a perfect fit and optimal performance. It is precision-manufactured using top-grade materials to withstand the harsh conditions within the engine compartment, providing durability and reliability over time.

The B6311180 bolt is designed with a nose or head that is specifically shaped to fit seamlessly into the crankshaft's counterbore, while the threaded portion is engineered to securely fasten the connecting rod. The bolt's thread profile is designed to minimize the risk of cross-threading, making installation easier and reducing the potential for damage to the engine components.

This bolt is an essential replacement or repair part for your Miata's engine. By ensuring a secure connection between the crankshaft and the connecting rods, it contributes to the overall efficiency and longevity of your engine. If you're looking to keep your Miata running at its best, this Mazda B6311180 Crankshaft Bolt Nose is a must-have in your toolkit or parts list.

Buying Mazda B6311180 (1990-1991.5 Miata Crankshaft Bolt Nose B631-11-40 1.6 MX-5) - Pros, Cons, and Conclusion

1. Authenticity: This part is a genuine OEM (Original Equipment Manufacturer) component, ensuring compatibility and a perfect fit with your Miata.

2. Reliability: As it is an original Mazda part, it is likely to be durable and reliable, providing long-term service.

3. Availability: This part is widely available from various automotive parts retailers, making it easy to find and purchase.

1. Cost: Original parts tend to be more expensive compared to aftermarket alternatives.

2. Limited Performance Upgrades: Since it is an OEM part, it may not offer the same performance enhancements as aftermarket parts.

3. Potential Delay in Delivery: Given its authenticity and the need for quality control, there might be a slight delay in receiving the part.

While purchasing the Mazda B6311180 crankshaft bolt nose offers the assurance of compatibility, reliability, and genuine Mazda quality, it comes with a higher price tag. If you prioritize authenticity and longevity, this part is an excellent choice. However, if you are looking for a cost-effective solution or performance upgrades, you might want to consider aftermarket alternatives.

If you are looking for a reliable and authentic part for your Miata, the Mazda B6311180 crankshaft bolt nose is a recommended choice. However, weigh the pros and cons against your preferences and budget before making a purchase decision. If cost is a concern, it may be worth exploring aftermarket alternatives that offer similar quality at a lower price.

Details:

Used crank bolt. See photos for condition.

part #: b6311180 prices

• $59.95-$149.95

specifications cranshafengin:

• for models: Mx5, Miata
• for makes: Mazda
• mpn: B6311180
• part type: Crankshaft Bolt
• items included: Bolts
• material: Steel

payments cranshafengin:

• credit card: Diners-club
• other
• wallet: Google-pay

seller cranshafengin:

• city: Mukwonago, Wisconsin
• # reviews: 387
• rating: 99.4%

general cranshafengin:

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

shipping cranshafengin:

• service: Standard
• transit: 5-9 Days
• type: Fixed
• cost: $0.00
• class: Standard

returns cranshafengin:

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

offer cranshafengin:

• availability: In Stock
• sold: 0
• started: May 22, 2025
• options: Ship-to-home
• quantity: 2
• best offers: True

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