Mazda Miata MX-5 1999-2000 4cyl Automatic RWD Transmission JDM B6 4178
Regular price
$749.00
per
Mazda Miata MX-5 1999-2000 4cyl Automatic RWD Transmission JDM B6 4178 Condition: Used JDM imported automatic transmission in excellent working order. Professionally inspected and guaranteed to be in top mechanical conditio...
HURRY UP! ONLY 1 LEFT IN STOCK
Mazda Miata MX-5 1999-2000 4cyl Automatic RWD Transmission JDM B6 4178
Regular price
$749.00
per
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 45 days of purchase. Duties & taxes are non-refundable.
Pairs well with
Description
Outstanding Features
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Instructions
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Shipping & return
Shipping Information
You must provide a valid working phone number prior to your shipment leaving. If you do not provide this, your shipment will be delayed.
Shipping/delivery times: We ship products within 1 business day, the order is placed. Our warehouse is located in Belleville, NJ so any neighboring states will experience faster delivery that is 1 to 5 business days. Delivery to the west coast averages about 5-15 business days.
U.S. Residents: We do not offer free shipping. We charge accordingly depending on your location. Also, please keep in mind that residential and lift gate services are services that require an additional fee. Please email/call us with your zip code/postal code so that we may be able to get an accurate shipping quote for you.
Puerto Rico customers: Please email us so that we may be able to get an accurate shipping quote from one of our carriers. You will be responsible for all customs fees.
Important note: Do not sign the release documents without fully inspecting the outer packaging for noticeable signs of damage. The freight companies will not let you open up the packaging prior to signing, therefore you must note any signs of damage based on the external packaging. Shipping insurance is provided by the freight company, not by JDM Engine Depot. If you sign the form and do not note any possible damages, the freight company will be relieved of all responsibility and you will not be reimbursed for any damages done to your shipment caused during shipping. You must notify us of any damages caused by mishandling during shipping. Once again, please do not sign the release form or let the driver leave without first inspecting the packaging for possible damages.
Overseas customers: Please email us with your full address so that we may be able to get an accurate shipping quote for you. We can only ship to the nearest sea port that services you. You will be responsible for taxes, duty, customs clearance, and shipping out of the port.
Contact us for more shipping information.
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Mazda Miata MX-5 1999-2000 4cyl Automatic RWD Transmission JDM B6 4178
Condition: Used JDM imported automatic transmission in excellent working order. Professionally inspected and guaranteed to be in top mechanical condition with approximately 50,000–75,000 miles from Japan. Fluid drained and unit tested prior to shipping.
⚙️ Specifications
- Transmission Code: SB12 (Automatic RWD Transmission)
- Model No: 03-70LE
- Application: 1.8L 4cyl (BP) Engine
- Condition: Used JDM Import (Low Mileage)
- Approx. Mileage: 50,000 – 75,000 miles
- Warranty: 30-Day Start-Up Warranty (Covers Internal Components Only)
- Accessories Included: Torque Converter, Sensors, Shift Solenoids (if shown in photos)
- Origin: Directly Imported from Japan (JDM Spec)
- **ACTUAL PHOTOS SHOWN**
- *ATTACHED ENGINE NOT INCLUDED*
- *STOCK #: 4178*
🚘 Compatibility
- 1999 Mazda Miata 1.8L Automatic RWD (BP Engine)
- 2000 Mazda Miata 1.8L Automatic RWD (BP Engine)
Note: Please verify transmission code and sensor compatibility with your mechanic before purchase. Some external sensors or mounts may need to be swapped from your original unit.
📦 Shipping Information
- Free freight shipping to any commercial address with a loading dock or forklift.
- Residential delivery available for an additional charge — contact us for a quote.
- All transmissions are securely strapped, palletized, and shrink-wrapped before shipment.
- Typical handling time: 1–2 business days after payment clears.
🛡 Warranty & Return Policy
- 30-Day Start-Up Warranty covers internal transmission components only.
- Warranty void if transmission is disassembled, modified, or improperly installed.
- Buyer is responsible for labor, fluids, and shipping costs.
- Returns accepted within 30 days if the item does not match description (buyer pays return freight).
💡 Why Buy From Us
- Trusted JDM Transmission Supplier — Thousands of verified sales and satisfied customers.
- Each transmission is inspected, drained, and cleaned before shipping.
- Responsive U.S.-based support — fitment questions answered within 24 hours.
- Guaranteed low-mileage authentic JDM transmissions imported directly from Japan.
Shipping Information
You must provide a valid working phone number prior to your shipment leaving. If you do not provide this, your shipment will be delayed.
Shipping/delivery times: We ship products within 1 business day, the order is placed. Our warehouse is located in Belleville, NJ so any neighboring states will experience faster delivery that is 1 to 5 business days. Delivery to the west coast averages about 5-15 business days.
U.S. Residents: We do not offer free shipping. We charge accordingly depending on your location. Also, please keep in mind that residential and lift gate services are services that require an additional fee. Please email/call us with your zip code/postal code so that we may be able to get an accurate shipping quote for you.
Puerto Rico customers: Please email us so that we may be able to get an accurate shipping quote from one of our carriers. You will be responsible for all customs fees.
Important note: Do not sign the release documents without fully inspecting the outer packaging for noticeable signs of damage. The freight companies will not let you open up the packaging prior to signing, therefore you must note any signs of damage based on the external packaging. Shipping insurance is provided by the freight company, not by JDM Engine Depot. If you sign the form and do not note any possible damages, the freight company will be relieved of all responsibility and you will not be reimbursed for any damages done to your shipment caused during shipping. You must notify us of any damages caused by mishandling during shipping. Once again, please do not sign the release form or let the driver leave without first inspecting the packaging for possible damages.
Overseas customers: Please email us with your full address so that we may be able to get an accurate shipping quote for you. We can only ship to the nearest sea port that services you. You will be responsible for taxes, duty, customs clearance, and shipping out of the port.
Contact us for more shipping information.