MAZDA B366-11-310 Crankshaft Rear Seal Holder

( Manufacturer Part Number: B366-11-310 ), ( Part Type: Seal Crankshaft Holder ), ( Oe/oem Part Number: B366-11-310, B366-11-310b, B366-11-310c, B36611310, B36611310b, B36611310c ), ( Items Included: Seal ), ( Box: D3 ), ( Country/region Of Manufacture: Japan ), ( Vintage Part: No ), ( Performance Part: Yes )

Review MAZDA Oem Crankshaft Rear Main Seal Holder fits MIATA 1990–2005

Mazda B366-11-310 90-05 Miata Crankshaft Rear Seal Holder

The Mazda B366-11-310 Crankshaft Rear Seal Holder is a vital component in the maintenance and longevity of your 1990-2005 Mazda Miata (NA) engine. This precision-engineered part is designed to securely hold the crankshaft rear oil seal, preventing oil leakage and ensuring a smooth, efficient engine operation.

Manufactured to OEM specifications, this crankshaft rear seal holder is a direct replacement for the original part. It is crafted from high-quality materials that offer excellent resistance to heat, pressure, and wear, ensuring a long service life. The part's design follows the original contours of the engine, ensuring a perfect fit and easy installation.

The Mazda B366-11-310 Crankshaft Rear Seal Holder is an essential component for any Miata enthusiast seeking to maintain the performance and longevity of their vehicle. Whether you're a daily driver or a weekend racer, this part is a must-have for keeping your engine in top condition.

By choosing the Mazda B366-11-310 Crankshaft Rear Seal Holder, you can confidently tackle your engine maintenance tasks, knowing that you're using a part that meets the highest standards of quality and fit. Keep your Miata running strong for years to come with this essential engine component.

Pros, Cons, and Recommendation for Buying Mazda B366-11-310 90-05 Miata Crankshaft Rear Seal Holder

1. OEM Part: This part is an original equipment manufacturer (OEM) product, which means it is designed and built by Mazda, ensuring a perfect fit and optimal performance.

2. Quality Assurance: As an OEM part, it has passed rigorous quality tests during its production process.

3. Durability: Due to the high-quality materials used, this crankshaft rear seal holder is expected to last long and provide reliable service.

4. Easy Installation: This part is designed to be easy to install, making it a suitable option for both DIY enthusiasts and professional mechanics.

1. Cost: OEM parts can be more expensive compared to aftermarket alternatives, potentially making this part a costly investment.

2. Availability: Depending on your location and the specific dealer you're purchasing from, availability of the part may be limited.

3. Potential Delays: If the part needs to be shipped from a distant location, delivery times may be longer, causing inconvenience.

The Mazda B366-11-310 90-05 Miata Crankshaft Rear Seal Holder is a high-quality OEM part that offers reliable performance and a perfect fit for your vehicle. While it may be more expensive than aftermarket alternatives, the peace of mind and durability it provides could outweigh the initial cost. If you value quality and reliability, this part is a worthwhile investment. However, if cost is a major concern, you might consider researching aftermarket alternatives before making a decision.

Details:

Condition: Refer the pictures for condition, what you see is get. Free Shipping: On every purchase, no hidden fees. Genuine Original Parts: Responsible sourced from a running donor Miata. Up for sale 90-05 Mazda Miata OEM Crankshaft Rear Main Seal Holder B366-11-310.

Navy Col, Miata Parts. Don't settle for less-equip your Miata with the best. Order now and transform your ride today.

part #: b36611310 prices

• $16.50-$133.00

specifications cranshafengin:

• for models: Miata
• for makes: Mazda
• for years: 1990-2005
• mpn: B366-11-310
• part type: Seal Crankshaft Holder
• oe/oem part number: B366-11-310, B366-11-310b, B366-11-310c, B36611310, B36611310b, B36611310c
• items included: Seal
• box: D3
• country/region of manufacture: Japan
• vintage part: No
• performance part: Yes

offer cranshafengin:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: September 29, 2025
• best offers: True
• quantity: 1

seller cranshafengin:

• rating: 100.0%
• city: Union City, California
• # reviews: 99

general cranshafengin:

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

payments cranshafengin:

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

returns cranshafengin:

• time: 14 Days
• policy: Returns Accepted
• paid by: Buyer

shipping cranshafengin:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• transit: 4-10 Days
• carrier: USPS
• cost: $0.00

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