fits model: B2500, B3500, Ram. make: Dodge. year: 1998–1999.

( Brand: Jegs ), ( Manufacturer Part Number: M00445 ), ( Part Type: Tran ), ( Country Of Origin: Usa ), ( UPC: 889944273653 )
The **M00445 46RE Automatic Transmission** is a robust and meticulously engineered powertrain component designed exclusively for the **1998 1999 Dodge Ram 2500 and 3500** heavy-duty pickup trucks, particularly those equipped with the legendary **5.9L Magnum V8 engine** (also known as the B3500 series). This transmission is a critical link in the drivetrain, delivering seamless power transfer while ensuring durability under the demanding conditions of towing, hauling, and off-road adventures. Built to Chrysler s high-performance standards, the **46RE** is a four-speed automatic transmission with a **torque converter** and **planetary gearsets**, optimized for the torque output of the Magnum engine, which can generate upwards of **300 350 lb-ft** of torque depending on the engine variant. Its compact yet sturdy design incorporates a **heavy-duty valve body**, reinforced housing, and precision-machined internal components to withstand the stresses of heavy loads, frequent gear shifts, and prolonged use without compromising performance. The transmission features a **smooth-shifting hydraulic system** with a **pressure regulator** and **solenoid controls**, ensuring consistent engagement of the clutches and bands that manage gear changes. For enhanced durability, it includes **high-capacity fluid passages** and **sealed bearings**, reducing wear and preventing leaks that could disrupt operation. This transmission is particularly well-suited for applications requiring **heavy-duty towing**, such as trailers, boats, or construction equipment, thanks to its ability to handle sustained loads without overheating. Whether navigating city streets or tackling rugged terrain, the **M00445 46RE** provides the reliability and responsiveness expected from a Chrysler-built automatic transmission, making it a sought-after upgrade or replacement for enthusiasts and fleet operators alike. Its compatibility with the **1998 1999 Ram 2500/3500** ensures a perfect fit, allowing for easy installation and seamless integration with the existing drivetrain components.
### **Pros and Cons of Buying a 1998-1999 Dodge Ram 2500/B3500 (M00445, 46RE Auto Transmission)**
#### **Pros**
1. **Reliability of the Base Engine and Transmission**
- The **318 V8 (5.2L)** and **5.9L V10** engines in these models were known for durability, especially when maintained properly. The **46RE automatic transmission** (a version of the **46RH**) was a robust unit for its time, though it required proper fluid changes and occasional attention.
- Many of these trucks were built to last, particularly in commercial or heavy-duty applications where they were often pushed harder than typical passenger trucks.
2. **Strong Towing and Hauling Capabilities**
- The **5.9L V10** (in the B3500) was a workhorse, capable of towing **8,000 12,000 lbs** with the right setup, making it ideal for heavy-duty tasks like construction, farming, or towing large trailers.
- The **46RE transmission** handled the torque well, though it could be finicky if neglected.
3. **Availability of Parts and Modifications**
- These trucks are **not rare**, so finding parts (engines, transmissions, axles, etc.) is relatively easy, especially in the used market.
- Aftermarket support is strong performance chips, exhaust upgrades, and suspension modifications are widely available for both the **318 V8** and **5.9L V10**.
4. **Potential for High Mileage Longevity**
- With proper maintenance (regular oil changes, transmission fluid flushes, cooling system care), some of these trucks have exceeded **300,000 miles** without major engine or transmission failures.
- The **block and crankshaft** in the 5.9L V10 were robust, and many engines could handle high RPMs if tuned.
5. **Lower Purchase Price Compared to Modern Trucks**
- These trucks are **cheap to buy** (often under $5,000 $10,000 in good condition), making them an attractive option for budget-conscious buyers who need a heavy-duty work truck.
- Insurance and registration costs are also significantly lower than for newer models.
6. **Simple and Proven Design**
- The **M00445 chassis** (introduced in 1994) was a refinement of the **M1500** design, meaning many mechanical components were battle-tested.
- The **46RE transmission** was a direct-drive unit with good torque multiplication, making it suitable for towing.
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#### **Cons**
1. **Transmission Issues (46RE/46RH)**
- The **46RE automatic transmission** is notorious for **slipping, jerking, and eventual failure** if transmission fluid is not changed **every 30,000 50,000 miles** (or more frequently if towing heavily).
- **Solenoid failures** and **valve body wear** are common in high-mileage examples. Rebuilding or replacing the transmission can cost **$2,000 $4,000 **.
- Some owners have had success with **transmission rebuilds**, but others find that a **40RE or 41TE** (from a later model) is a better long-term upgrade.
2. **Cooling System Weaknesses**
- The **radiator and water pump** on these trucks were prone to failure, especially in hot climates or heavy-duty applications.
- **Head gasket leaks** (though less common than in some other V8s) could occur if the engine overheated repeatedly.
- The **thermostat housing** and **coolant hoses** were also failure points that needed frequent inspection.
3. **Fuel Economy and Modern Standards**
- The **5.9L V10** gets **poor fuel economy** (around **10 12 MPG combined**), making it expensive to operate for daily driving.
- Modern emissions and safety standards mean **aftermarket modifications** (like big-block swaps) can void warranties or make the truck **unroadworthy** in some states.
4. **Suspension and Handling Wear**
- The **leaf springs and shocks** degrade over time, leading to a **rough ride** and poor handling, especially when loaded.
- **Steering components** (rack and pinion in some models) can wear out, requiring **ball joint, tie rod, and bushings** replacements over time.
5. **Electrical and Modern Tech Limitations**
- **No modern infotainment, backup camera, or advanced safety features** these trucks rely on **analog gauges and basic radio systems**.
- **Starting issues** can arise from **weak starters, corroded batteries, or failing alternators**, especially in older examples.
- **Power window and door lock failures** are common due to **aging wiring and switches**.
6. **Rust and Body Corrosion**
- Many of these trucks were used in **agricultural, construction, or off-road settings**, leading to **excessive rust** in wheel wells, frame rails, and undercarriage.
- **Frame rust** can compromise structural integrity, making a **full frame inspection** essential before purchase.
7. **Limited Modern Compatibility**
- **Aftermarket parts (tires, brakes, exhaust)** may not fit as easily as on newer trucks due to **different mounting points and suspension geometry**.
- **Modern fuel injectors or ECU upgrades** can be tricky to install without proper tuning.
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### **Conclusion and Recommendation**
The **1998-1999 Dodge Ram 2500/B3500 (M00445, 46RE auto)** is a **strong choice for buyers who need a heavy-duty, low-cost work truck** but only if they are prepared for **potential transmission issues, cooling system failures, and high maintenance costs**.
#### **Best For:****Budget-conscious buyers** who need a **cheap, reliable work truck** for towing, hauling, or light off-road use.
**Mechanically inclined owners** who can **maintain the transmission, cooling system, and suspension** properly.
**Those who prioritize raw power and durability** over modern comforts and fuel efficiency.
**Short-term or project vehicles** where cost is the primary concern.
#### **Not Recommended For:****Daily drivers** who want **modern safety, fuel efficiency, or comfort**.
**Buyers who cannot afford transmission or cooling system repairs** (expect **$1,500 $4,000 in repairs** if the truck has high miles).
**Those who want a truck that will last 300,000 miles without major overhauls** (unless heavily modified or rebuilt).
**People in states with strict emissions laws** (some modifications may not be legal).
#### **Final Recommendation:**- **If you find one in excellent condition with a well-documented service history (especially transmission fluid changes), it can be a great buy.**
- **If the transmission has been rebuilt or replaced, that s a major plus.**
- **Avoid examples with:**- **Burnt or leaking transmission fluid** (indicates neglect).
- **Overheating history** (check for warped heads or cracked blocks).
- **Excessive rust in critical areas** (frame, boxed sections, suspension mounts).
- **Consider upgrading the transmission** to a **40RE or 41TE** if you plan to keep the truck long-term.
- **Budget for a full inspection** (cooling system, suspension, electrical) before purchasing.
**Verdict:** These trucks are **great for the right buyer** someone who wants a **cheap, powerful workhorse** and is willing to put in the effort to keep it running. For most modern drivers, however, a **used Ford F-250 Super Duty or Ram 2500 HD (2009 )** with a **6.7L Power Stroke or Cummins** would be a more reliable and comfortable alternative.