BD DIESEL 1064264SS-AN Performance Automatic Transmission 990011407502 6.7L L6 Diese

( Brand: Bd Diesel ), ( Manufacturer Part Number: 1064264SS-AN ), ( Part Type: Transmission ), ( Manufacturer Warranty: 1 Year ), ( UPC: 990011407502 )

Review BD DIESEL Performance Automatic Transmission 6.7l L6 Diese fits RAM 3500 TURBO 2015–2018

The **BD Diesel 1064264SS-AN Performance Automatic Transmission** is a meticulously engineered, high-performance replacement transmission designed specifically for the **2015 2018 Ram 3500 Heavy Duty with the 6.7L Cummins Turbo Diesel (L6)** a powerhouse known for its relentless towing, hauling, and off-road capabilities. Built to exceed OEM standards, this transmission is crafted from premium materials, including **heavy-duty steel components, reinforced torque converters, and precision-machined gears**, ensuring superior durability, smoother shifting, and enhanced longevity under extreme loads. The **SS-AN variant** incorporates a **stiffer, more robust case** compared to standard transmissions, making it ideal for heavy-duty applications such as extreme towing, off-roading, or high-performance diesel modifications. Its **6-speed automatic design** delivers seamless gear engagement, reducing wear on the drivetrain while maximizing power transfer critical for maintaining the Cummins legendary torque output without sacrificing efficiency. Engineered with **enhanced clutch packs and hydraulic systems**, this transmission minimizes slippage and heat buildup, even under prolonged high-load conditions, making it a perfect upgrade for those pushing their Ram 3500 to its limits. Whether you re hauling heavy payloads, towing massive trailers, or navigating rough terrain, the **BD Diesel 1064264SS-AN** ensures reliable performance, reduced maintenance demands, and a noticeable improvement in shift quality over stock units. Backed by **BD Diesel s reputation for quality and durability**, this transmission is a strategic investment for owners seeking to preserve their engine s power while extending the lifespan of their drivetrain.

### **Pros and Cons of buying a BD Diesel 1064264SS-A Performance Automatic Transmission for a 2015 2018 Ram 3500 Turbo 6.7L V8 Diesel**

1. **Enhanced Performance** The **BD Diesel 1064264SS-A** is a high-performance transmission upgrade designed specifically for the Cummins 6.7L turbo diesel. It features a **stiffer torque converter, upgraded clutch packs, and a stronger planetary system**, which improves acceleration, towing capacity, and overall drivability. This is particularly beneficial for heavy-duty applications, such as towing large trailers, hauling heavy loads, or improving highway passing power.

2. **Better Shift Quality** Many owners report **smoother, more responsive shifts** compared to the stock transmission. The upgraded clutch packs reduce slippage, and the reinforced components minimize jerkiness, especially under heavy loads.

3. **Increased Durability** The **stiffer housing and reinforced internals** are designed to handle the high torque output of the Cummins engine more effectively than the stock transmission. This can lead to **longer transmission life**, particularly in demanding applications where the stock unit might wear out prematurely.

4. **Compatibility with Performance Mods** If you ve installed **turbo upgrades, bigger injectors, or a remanufactured Cummins**, the BD transmission is better equipped to handle the increased power without excessive stress. It s a common choice among **big-torque builds** (e.g., 1,000 hp) where stock transmissions often fail.

5. **Warranty & Support** BD Diesel is a reputable aftermarket brand with **strong customer support and warranty coverage** (typically 1 2 years, depending on the package). They also provide **installation guides and technical support** to ensure proper fitting.

6. **Improved Towing & Hauling** The **stronger torque converter and clutch packs** help prevent **whip and jerk** when pulling heavy loads, making the truck feel more stable and controllable.

7. **Potential for Better Fuel Economy (Indirectly)** While the transmission itself doesn t improve fuel economy, a **smoother, more efficient shift pattern** can reduce unnecessary strain on the engine, which may lead to **marginal improvements** in real-world efficiency.

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1. **High Cost** The **BD Diesel 1064264SS-A** is **not cheap**, typically ranging between **$3,500 $5,000 ** depending on the package (e.g., with or without a new torque converter). This is a significant investment, especially when compared to a **remanufactured stock transmission** (which can cost **$1,500 $2,500**).

2. **Installation Complexity** While not impossible for a **skilled DIYer**, installing this transmission requires **specialized tools, precise alignment, and experience** with Cummins transmissions. **Mismounting or improper alignment** can lead to **premature failure or drivability issues**. Many owners opt for **professional installation**, adding **$500 $1,500** to the total cost.

3. **Potential for Overkill (If Not Needed)** If you re using your **2015 2018 Ram 3500 Cummins primarily for light-duty work** (e.g., daily driving, light towing under 10,000 lbs), the **stock transmission may last just as long** with proper maintenance. The BD upgrade is **best suited for high-torque builds or extreme towing**, not just general use.

4. **Limited Aftermarket Support for Older Models** While the BD transmission is well-regarded, **finding parts or technicians familiar with it** can be difficult outside major cities. If something goes wrong, **repair options may be limited** compared to a stock or more common transmission.

- **Slightly different shift feel** (some prefer the stock transmission s "softer" shifts).

- **Requires recalibration of the transmission control module (TCM)** in some cases, which may involve **ECU tuning or reprogramming**.

- **Potential for oil leaks** if the **seals or gaskets** are not properly installed.

6. **Not a "Set-and-Forget" Upgrade** Like any high-performance transmission, the **BD Diesel 1064264SS-A requires proper maintenance**, including:

- **Regular fluid changes** (using **high-quality transmission fluid**).

- **Monitoring for overheating** (especially in heavy-duty applications).

- **Checking for proper torque converter fill** (if applicable).

7. **Resale Value Impact** Since this is a **custom performance upgrade**, it may **diminish resale value** compared to a stock or remanufactured transmission. Buyers looking for a **stock-like experience** may avoid a modified transmission.

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### **Conclusion & Recommendation**

- **Towel heavy loads (10,000 lbs) regularly.**

- **Run high horsepower builds (700 hp, 1,000 lb-ft).**

- **Experience stock transmission issues (slippage, rough shifts, premature wear).**

- **Want smoother, more responsive shifts under load.**

- **Light-duty daily drivers.**

- **Owners who primarily tow under 8,000 lbs.**

- **Those on a tight budget** (a remanufactured stock transmission may suffice).

- **People who prefer minimal modifications** and want to avoid installation hassles.

- **If you re building a high-torque Cummins (especially for towing or performance), the BD Diesel 1064264SS-A is a worthwhile investment** it will **extend transmission life, improve shift quality, and handle power better** than stock.

- **If you re unsure whether you need it**, consider **running a stock transmission with proper maintenance** (fluid changes, cooling, etc.) and **monitoring for wear**. If you later encounter issues (e.g., slippage, rough shifts), then upgrading makes sense.

- **Budget accordingly** factor in **installation costs, potential tuning, and maintenance** beyond just the transmission price.

- **If going for the BD, ensure proper installation** either by a **trusted Cummins specialist** or a **skilled DIYer with transmission experience**.

**Bottom Line:** For **heavy-duty, high-torque applications**, the BD Diesel transmission is a **solid upgrade**. For **light-duty or stock builds**, it may not be justified. Always weigh the **cost, benefits, and your specific use case** before purchasing.

Details:

HD Transmission Pan; Includes double-disc torque converter;. Design, creation, manufacturing, re manufacturing and distribution of a wide range products specifically engineered for performance Diesel powered applications all done in house. BD Diesel Performance is unique among its peers. Beds roots, however, actually date back to 1972, when Valley Fuel Injection Ltd.

Owned and managed by father son with many families that all work together here. BD Performance Automatic Transmission for 2015 2018 Ram 3500 Turbo 6.7L L6 DIESE. First opened its doors.

part #: 1064264ss prices

• $6865.00-$10282.07

specifications autotransmissionsgo:

• for models: 3500, Turbo, Ram
• for years: 2015-2018
• brand: Bd Diesel
• mpn: 1064264ss-an
• part type: Transmission
• manufacturer warranty: 1 Year
• upc: 990011407502

returns autotransmissionsgo:

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

seller autotransmissionsgo:

• rating: 99.8%
• city: Hatfield, Pennsylvania
• # reviews: 68394

offer autotransmissionsgo:

• sold: 0
• started: May 29, 2026
• availability: In Stock
• quantity: 3
• options: Ship-to-home

shipping autotransmissionsgo:

• carrier: UPS
• class: Standard
• service: UPS Ground
• type: Fixed
• cost: $14.99
• transit: 4-7 Days

general autotransmissionsgo:

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

payments autotransmissionsgo:

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

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