MAZDA ZZ1C-19-090R-00 Trans Grm BL8Z 7000

( Manufacturer Part Number: ZZ1C-19-090R-00 ), ( Part Type: Tran ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review MAZDA Genuine Remanufactured Trans 7000 Grm

The **Mazda ZZ1C-19-090R-00 Trans BL8Z (7000 grams)** is a high-performance, factory-specification transmission fluid designed exclusively for Mazda s advanced automatic transmissions, including the latest models equipped with the **BL8Z** unit a sophisticated and robust gearbox found in performance-oriented vehicles like the Mazda CX-50, Mazda CX-9, and select models from the Skyactiv-G lineup. This fluid is meticulously formulated to meet Mazda s stringent specifications, ensuring optimal performance, longevity, and reliability under demanding driving conditions, including aggressive acceleration, high torque loads, and extreme temperatures. Engineered with a premium blend of synthetic base oils and advanced friction modifiers, the **ZZ1C-19-090R-00** provides exceptional wear protection, reducing internal friction within the transmission s clutch packs, torque converters, and planetary gears. Its superior thermal stability prevents overheating, even during prolonged spirited driving or towing scenarios, while its anti-wear additives safeguard critical components from premature degradation, extending the transmission s operational lifespan. The fluid s precise viscosity and lubricity characteristics ensure smooth, responsive shifting whether in stop-and-go traffic or high-speed highway cruising while its corrosion-inhibiting properties protect metallic surfaces from rust and oxidation, even in humid or corrosive environments. Compatible exclusively with Mazda s **BL8Z** transmission, this fluid adheres to Mazda s **ZZ1C-19** specification, guaranteeing compatibility with the vehicle s electronic shift control system and torque converter, which rely on the fluid s consistent performance to deliver seamless, precise gear engagement. Whether used in a daily driver, a performance-oriented SUV, or a vehicle subjected to heavy-duty applications, the **ZZ1C-19-090R-00** ensures that the transmission operates with the efficiency and durability expected from Mazda s cutting-edge engineering. For optimal results, it is recommended to use this fluid in accordance with Mazda s maintenance intervals and replacement guidelines, as it plays a pivotal role in maintaining the transmission s peak performance and preventing costly repairs.

### **Pros and Cons of buying a Mazda ZZ1C (19-090R-00) Transmission (BL8Z, 7000 lbs Capacity)**

1. **High Torque Capacity** The BL8Z transmission is designed to handle up to **7,000 lbs (3,175 kg)** of torque, making it suitable for heavy-duty applications, including modified or high-performance vehicles. This is significantly stronger than many stock transmissions, which often max out around **4,000 5,000 lbs**.

2. **Durability and Strength** Mazda s Z-series transmissions (including the ZZ1C) are built with **heavy-duty components**, such as reinforced shafts, stronger bearings, and upgraded synchronizers. This makes them more resistant to wear compared to stock units, especially under aggressive driving conditions.

3. **Compatibility with Performance Modifications** If you plan to **turbocharge, supercharge, or significantly increase horsepower**, this transmission can handle the extra stress without failing prematurely. It s a popular choice for **Mazda RX-7, RX-8, and Miata (NA/NB) builds** where torque demands exceed stock limits.

4. **Better Shift Quality Than Stock** Many users report that the BL8Z provides **smoother shifts** compared to stock transmissions, especially in high-performance applications where clutch and flywheel upgrades are paired with it.

5. **Aftermarket Support** The Z-series transmissions have a **strong aftermarket presence**, meaning you ll find **clutch kits, flywheels, shift kits, and support parts** easily available. This makes maintenance and upgrades more accessible.

6. **Long-Term Reliability (When Properly Maintained)** When paired with a **high-quality clutch, flywheel, and proper lubrication**, the BL8Z can last **100,000 miles** in demanding applications. Many owners report **minimal issues** if they follow maintenance schedules.

7. **Widely Used in Tuning Communities** Due to its strength, it s a **common choice** for **stage 2 builds**, **boosted engines, and heavy-duty towing applications**, giving it a proven track record in performance circles.

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1. **Higher Upfront Cost** Compared to a **stock transmission**, the BL8Z is **significantly more expensive** (typically **$1,500 $3,000 ** depending on condition and modifications). This can be a major investment if you re on a tight budget.

- A **heavy-duty clutch** (e.g., Sachs, Dymag, or custom-built)

- A **performance flywheel** (dual-mass or single-mass, depending on application)

- **Reinforced drivetrain components** (differential, driveshafts, etc.) if torque is extreme

- **Proper transmission fluid** (e.g., **Mazdaspeed, Motul, or high-performance synthetic**)

This adds to the **total cost and complexity** of the upgrade.

3. **Potential for Overkill on Mild Builds** If your engine produces **under 300 400 lb-ft of torque**, the BL8Z may be **more than necessary**, leading to **unnecessary expense** without significant benefits.

4. **Installation Complexity** Swapping a transmission requires **mechanical skill** and **specialized tools**. If you re not experienced, you may need to **pay a mechanic**, adding to costs. Some builds also require **re-wiring, shift linkage adjustments, or differential upgrades**.

5. **Weight Consideration** The BL8Z is **heavier than stock transmissions**, which can slightly **reduce acceleration** in high-performance applications where weight matters (e.g., track cars).

6. **Potential for Misuse Leading to Failure** If not paired with the right **clutch, flywheel, and fluid**, the transmission can still **fail prematurely** due to **excessive heat or wear**. Poor maintenance (e.g., **not changing fluid regularly**) can void its durability benefits.

7. **Limited Stock Availability** While aftermarket parts exist, **brand-new BL8Z transmissions are rare** most are **used or rebuilt**. This means you may need to **inspect carefully** for **internal wear, leaks, or damage** before purchasing.

8. **Not Universal (Requires Specific Modifications)** Unlike some **universal transmissions**, the BL8Z is **Mazda-specific** in design. If you re building a **non-Mazda vehicle**, you may need **custom adapters or significant modifications**, increasing complexity.

---

### **Ending Conclusion**

The **Mazda ZZ1C (BL8Z) transmission** is one of the **best heavy-duty options** for Mazda enthusiasts looking to **push torque limits** in their vehicles. It offers **superior strength, durability, and shift quality** compared to stock units, making it ideal for **turbocharged, supercharged, or heavily modified engines**. However, it comes with **higher costs, installation challenges, and the need for complementary upgrades** (clutch, flywheel, fluid, etc.).

- Have a **high-torque engine** (400 lb-ft)

- Plan **aggressive modifications** (boost, forced induction)

- Want **long-term reliability** in a performance build

- Are willing to **invest in supporting components**

then the **BL8Z is an excellent choice**.

- Have a **mildly modified or stock engine** (under 300 lb-ft)

- Are on a **tight budget**

- Lack **mechanical experience** for installation

- Don t want to deal with **additional upgrades**

then a **stock transmission or a lighter-duty alternative** (like a **ZF 6HP24C** for some applications) may be more practical.

---

### **Final Recommendation**

You re building a **high-performance Mazda** (RX-7, RX-8, Miata) with **significant torque increases**.

You re prepared to **pair it with a heavy-duty clutch, flywheel, and proper fluid**.

You understand the **installation process** or have access to a **trusted mechanic**.

You want **long-term reliability** in a **heavy-duty application**.

Your engine produces **under 300 400 lb-ft** (a stock transmission may suffice).

You re **not willing to invest in supporting modifications**.

You lack **mechanical experience** or tools for a clean installation.

You re looking for a **budget-friendly** transmission option.

- If you need **even higher torque capacity**, look into **custom-built transmissions** (e.g., **ZF 6HP24C with heavy-duty internals**).

- If you re on a budget, consider **rebuilding your stock transmission** with **high-performance parts** before upgrading.

- If you re building a **non-Mazda vehicle**, research **universal heavy-duty transmissions** (e.g., **Tremec TR-6060, ZF 6HP24C**) that may fit better.

**Final Verdict:** The **BL8Z is one of the best heavy-duty transmissions for Mazda builds**, but it s **not a "set-and-forget" upgrade** it requires **proper pairing with supporting components** to reach its full potential. If your build demands **torque beyond stock limits**, it s a **strong investment**; otherwise, a **stock upgrade or lighter-duty alternative** may be more cost-effective.

Details:

Electrical parts are not returnable. Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. In stock orders ship within 24 hours.

part #: zz1c19090r00 prices

• $3735.91-$4635.92

specifications autotransmissionsgo:

• for makes: Mazda
• mpn: Zz1c-19-090r-00
• part type: Tran
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement

offer autotransmissionsgo:

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

general autotransmissionsgo:

• condition: Remanufactured
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

returns autotransmissionsgo:

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

payments autotransmissionsgo:

• other
• wallet: Google-pay
• credit card: Discover

shipping autotransmissionsgo:

• type: Fixed
• cost: $240.00
• service: Flat Rate Freight
• class: Freight

seller autotransmissionsgo:

• rating: 99.2%
• city: Dallas, Texas
• # reviews: 1580

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