BD DIESEL 1064264BM-AN Trans 990011406956

( Brand: Bd Diesel ), ( Manufacturer Part Number: 1064264BM-AN ), ( Part Type: Tran ), ( Manufacturer Warranty: 1 Year ), ( UPC: 990011406956 )

Review BD DIESEL Trans Hard Parts fits RAM 3500 2015–2018

The **BD Diesel 1064264BM-AN Trans** is a high-performance, factory-direct transmission cooler for the **2015-2018 Dodge Ram 3500** equipped with the **6.7L Power Stroke Cummins diesel engine**, designed to enhance reliability and longevity in demanding towing, hauling, and off-road applications. This premium transmission cooler is engineered to maintain optimal fluid temperature, preventing overheating and excessive wear on the **6-speed Aisin AS6R590 automatic transmission**, which is critical for heavy-duty operations where prolonged stress and high torque loads are common. Crafted from durable **aluminum construction**, the cooler features a **high-flow design** with an **integrated oil cooler core**, ensuring efficient heat dissipation while minimizing pressure drop. The **BM-AN designation** indicates a **dual-circuit configuration**, allowing for separate cooling of both the **transmission fluid and engine oil**, which is particularly beneficial for Cummins applications where oil and transmission fluid temperatures can fluctuate dramatically under heavy loads. The cooler is compatible with the **Ram 3500 s factory transmission cooler lines**, making installation straightforward with minimal modifications required. Its **reinforced mounting brackets** and **sealed gaskets** ensure a secure, leak-proof fit, while the **large surface area fins** maximize heat transfer efficiency, even in extreme operating conditions. Ideal for fleet operators, towing enthusiasts, and off-road adventurers, this transmission cooler is a proactive solution to prevent costly transmission failure, extend component lifespan, and maintain peak performance in the most grueling applications. Whether navigating rugged terrain, pulling heavy loads, or operating in high-temperature environments, the **BD Diesel 1064264BM-AN Trans** delivers the cooling capacity needed to keep your Cummins-powered Ram 3500 running at its best.

### **Pros and Cons of Buying a 2015 2018 Ram 3500 with the BD Diesel 1064264BM-AN Transmission**

#### **Pros**

1. **Reliability of the Cummins Diesel Engine**

The 6.7L Cummins diesel (available in these model years) is widely regarded as one of the most durable engines in its class. When properly maintained, it can easily exceed 300,000 400,000 miles. The turbocharged inline-six offers strong torque (420 460 lb-ft, depending on year), making it well-suited for towing, hauling, and off-road use.

2. **Strong Towing and Hauling Capabilities**

The Ram 3500 is a heavy-duty truck designed for serious work. With the right setup (properly rated hitch, weight distribution, and payload capacity), it can tow **up to 12,000 14,000 lbs** (depending on configuration) and carry heavy payloads. This makes it ideal for construction, farming, or commercial use.

3. **Transmission (6-Speed 640E or 640E )**

The **BD 1064264BM-AN** refers to the **6-speed 640E automatic transmission** (or its variant, the 640E in later years). This transmission is known for its smooth shifting, durability, and ability to handle heavy loads. It pairs well with the Cummins engine, providing strong acceleration and towing performance.

4. **Durability and Longevity**

The Ram 3500 s frame and drivetrain components (such as the rear axle, suspension, and drivetrain) are built to last. Many owners report minimal issues if maintenance is consistent, making it a solid long-term investment.

5. **Resale Value**

Diesel Ram 3500s, especially those with Cummins engines, hold their value better than many gas-powered trucks. The combination of reliability and capability keeps demand steady, which can be beneficial if you plan to sell later.

6. **Off-Road and Overlanding Potential**

With the right modifications (lift kit, skid plates, off-road tires, and a capable suspension), the Ram 3500 can handle rough terrain, mud, sand, and light rock crawling. Its high ground clearance (especially in crew cab models) also helps.

7. **Availability of Parts and Support**

As a popular work truck, the Ram 3500 has a wide network of dealerships, independent mechanics, and aftermarket parts suppliers. This makes repairs and maintenance more accessible than on niche vehicles.

8. **Fuel Efficiency for a Diesel Truck**

While not as efficient as modern gas trucks, the Cummins still offers **better fuel economy than a gas V8** (around **12 18 MPG combined**, depending on load and driving conditions). For heavy-duty use, this is a reasonable trade-off.

9. **Customization and Upgrade Options**

The Ram 3500 platform supports a wide range of modifications, from performance upgrades (turbocharger kits, exhaust systems) to luxury additions (heated seats, premium audio, or off-road packages).

10. **Strong Brand Reputation**

Dodge (now part of Stellantis) has a long history of building durable work trucks. The Ram 3500, in particular, is known for its capability in both commercial and recreational settings.

---

#### **Cons**

1. **Higher Upfront Cost**

Diesel Ram 3500s are significantly more expensive than their gas-powered counterparts. A used 2015 2018 model with a Cummins engine will cost **$20,000 $40,000 **, depending on mileage, condition, and options. This makes them a major investment upfront.

2. **Maintenance and Repair Costs**

- **Fuel system cleaning** (every 5,000 10,000 miles to prevent injector fouling).

- **Timing belt/replacement** (critical failure can destroy the engine; typically every **100,000 miles**).

- **Transmission fluid changes** (every **30,000 50,000 miles** for the 640E).

- **Exhaust system maintenance** (turbochargers, intercoolers, and mufflers wear out over time).

- **Differential and transfer case service** (if equipped with 4WD).

- **Coolant and radiator system checks** (diesels run hotter and require better cooling).

These costs add up, especially if the truck is used heavily.

3. **Fuel Costs**

Diesel fuel is **more expensive per gallon** than gasoline, though the higher MPG (compared to a gas V8) can offset this slightly. For long-distance hauling, fuel expenses will be a significant factor.

4. **Potential Transmission Issues (640E)**

- **Slipping or rough shifting** (common in high-mileage examples).

- **Fluid leaks** (seals and gaskets can fail over time).

- **Electronic control module (ECM) glitches** (can cause shifting problems).

- **Clutch wear** (if the truck is used for heavy towing frequently).

A **pre-purchase inspection (PPI)** is **highly recommended** to check transmission health.

5. **Weight and Handling**

- **Poor fuel economy when lightly loaded**.

- **Stiff ride quality** (especially in base models without suspension upgrades).

- **Difficulty maneuvering in tight spaces** (long wheelbase models are less nimble).

6. **Emissions and Compliance**

The **2015 2018 Cummins engines** are **pre-EPA 2017 emissions compliant**, meaning they may not meet newer emissions standards if modified heavily (e.g., with big turbo kits or exhaust tuning). Some states have restrictions on older diesel trucks, particularly in urban areas.

7. **Resale Depreciation**

While diesel Rams hold value better than many trucks, they still depreciate over time. If you plan to keep it long-term, this may not be an issue, but if you need to sell sooner, you may not recoup as much as you invested.

8. **Noise and Vibration**

Diesel engines, especially turbocharged ones, are **louder and vibrate more** than gas engines. The Cummins is known for its deep, rumbling sound, which some owners love but others find intrusive.

9. **Limited Modern Tech Features**

Compared to newer trucks, the 2015 2018 Ram 3500 has **less advanced driver aids** (like adaptive cruise control, lane-keeping assist, or advanced safety systems). If you prioritize tech, you may find it lacking.

10. **Potential for Hidden Issues**

- **Fuel injectors** (fouling or failure over time).

- **Turbocharger wear** (common in high-mileage examples).

- **Exhaust manifold cracks** (especially in high-performance builds).

- **Electrical gremlins** (alternator, sensors, or wiring issues).

A **thorough inspection by a diesel specialist** is **essential** before purchase.

---

### **Ending Conclusion**

The **2015 2018 Ram 3500 with the Cummins diesel and 640E transmission** is a **capable, durable workhorse** that excels in towing, hauling, and off-road use. It is best suited for **owners who prioritize reliability, power, and longevity** over fuel efficiency or modern tech. However, it comes with **higher upfront and maintenance costs**, as well as the need for **diligent upkeep** to avoid costly repairs.

- Buyers who want a **low-cost, low-maintenance** vehicle.

- Those who primarily drive in **urban areas** (noise, size, and emissions may be drawbacks).

- People who prefer **modern tech and fuel efficiency** over diesel power.

If you **plan to use it for heavy-duty work, overlanding, or long-term ownership**, the Ram 3500 can be an excellent choice **as long as you budget for maintenance and inspect it thoroughly before buying**.

---

### **Recommendation**

You need a **reliable, high-torque work truck** for towing, hauling, or off-roading.

You are **prepared for higher maintenance costs** and can budget for **timing belt changes, fuel system cleaning, and transmission service**.

You find a **well-maintained example** (preferably with **service records**) and have it **ins

Details:

First opened its doors. Includes multi-disc torque converter. Today, Valley Fuel Injection now BD Diesel Truck Service Performance and are one, with specialty divisions that focus on power train components. Design, creation, manufacturing, re manufacturing and distribution of a wide range products specifically engineered for performance Diesel powered applications all done in house.

Our rotors are crafted using advanced CNC machining techniques and undergo rigorous quality inspections to ensure optimal performance, durability, consistency. Our drilled and slotted rotors are designed to enhance cooling, reduce brake fade, improve overall braking efficiency. Each rotor is finished with our premium ZRC coating to protect against rust and corrosion. Driven by innovation and a commitment to excellence, SP Performance continues set the standard in braking technology aftermarket automotive solutions.

Includes Heavy Duty Pan and Billet Input Shaft. Owned and managed by father son with many families that all work together here. Beds roots, however, actually date back to 1972, when Valley Fuel Injection Ltd. BD Diesel Performance is unique among its peers.

part #: 1064264bm prices

• $11296.30-$14539.03

specifications autotransmissionsgo:

• for models: 3500, Ram
• for years: 2015-2018
• brand: Bd Diesel
• mpn: 1064264bm-an
• part type: Tran
• manufacturer warranty: 1 Year
• upc: 990011406956

offer autotransmissionsgo:

• started: March 23, 2026
• sold: 0
• quantity: 4
• options: Ship-to-home
• availability: In Stock

seller autotransmissionsgo:

• # reviews: 30496
• city: Lawrenceburg, Indiana
• rating: 100.0%

returns autotransmissionsgo:

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

shipping autotransmissionsgo:

• service: FedEx Ground / FedEx Home Delivery
• transit: 3-8 Days
• type: Fixed
• cost: $0.00
• carrier: FedEx
• class: Standard

general autotransmissionsgo:

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

payments autotransmissionsgo:

• wallet: Apple-pay
• credit card: Mastercard
• other

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