Engines and Components› Crankshafts and Components

Mazda

Crankshaft

$1,197.17

SKU: B6S7-11-300A

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Overview

The Mazda CRANKSHAFT is a genuine OEM replacement part for the Mazda Miata. This part is also listed under Mazda OEM part number B6S7-11-300A.
Show original supplier description
The Mazda CRANKSHAFT, part number B6S7-11-300A, is a genuine OEM replacement component designed specifically for the Mazda Miata. This crankshaft is engineered by Mazda to ensure it meets the exact specifications and quality standards for your vehicle. As a direct OEM replacement, it guarantees perfect fitment and performance, maintaining the integrity of your engine. This part is backed by the manufacturer's warranty, providing assurance of its quality and durability. Purchasing genuine Mazda parts ensures that you are receiving components that are designed and manufactured to the highest standards, directly from an authorized Mazda dealer. Vehicle fitment information indicates this crankshaft is designed for 1991-1995 Mazda models, including the MX-3 (Base, 1.6L L4 - Gas) and MX-5 Miata. For precise fitment, it is recommended to contact the seller with your VIN at the time of order placement to verify compatibility with your vehicle's specifications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMazda
Part NumberB6S7-11-300A
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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