FORD 1R3Z4602BA Automatic Rear Drive Shaft 3.8L

( Manufacturer Part Number: 1R3Z4602BA ), ( Type: Driveshaft ), ( Placement On Vehicle: Rear ), ( Transmission Type: Automatic ), ( Id: A98c8f2f-77e4-4396-b34e-fc3edb095a10 ), ( Interchange: 431-5026 )

Review FORD 3.8l Automatic Rear Drive Shaft Oem fits MUSTANG 2001–2004

The **Ford 1R3Z4602BA** is a high-performance, factory-specification rear driveshaft designed exclusively for the **2001 2004 Ford Mustang** equipped with the **3.8L Coyote V8 engine** paired with a **4R75E automatic transmission**. This driveshaft is a critical component of the Mustang s rear-wheel-drive system, engineered to deliver precise power transfer from the transmission to the rear axle while maintaining optimal balance, durability, and performance. Crafted from high-strength steel, the driveshaft features a robust **slip-yoke** at the transmission end, ensuring a secure and vibration-dampening connection to the torque converter housing, while the **drive yoke** at the axle end is precision-machined to fit seamlessly with the Mustang s differential housing. The shaft itself is dynamically balanced to minimize harsh vibrations, particularly at higher RPMs, ensuring a smooth and engaging driving experience critical for both daily commuting and spirited acceleration. The **1R3Z4602BA** is also designed with a **universal joint (U-joint) and constant velocity (CV) joint** configuration, allowing for smooth articulation as the rear suspension moves, which is essential for handling the Mustang s sporty ride dynamics. This driveshaft is a direct replacement for the original equipment (OEM) part, maintaining the same fit, form, and function as the factory unit, making it an ideal choice for restorers, performance enthusiasts, or owners seeking to restore their Mustang to factory specifications. Whether installed in a classic show car, a high-mileage daily driver, or a modified performance machine, the **1R3Z4602BA** ensures reliable power delivery, longevity, and the authentic driving feel that Mustang owners expect.

### **Pros and Cons of Buying a 2001 2004 Ford Mustang (3.8L V6, 1R3Z4602BA Automatic, RWD)**

#### **Pros**

1. **Classic Mustang Styling** The 2001 2004 Mustangs feature the iconic 1994 1998 design with a slightly updated front end (2003 2004 models). The aggressive stance, wide body, and retro styling make it a standout car that turns heads.

2. **Reliable 3.8L V6 Engine** The Ford 3.8L Triton V6 (used in these years) is a well-proven engine known for durability. With proper maintenance, it can easily exceed 200,000 miles. It s also less prone to catastrophic failure compared to some other V8 engines.

3. **Automatic Transmission (1R3Z4602BA)** The 4-speed automatic (4R70W or 4R75E variants) is smooth and reliable when maintained. It handles well for a muscle car and doesn t require frequent fluid changes if serviced regularly.

4. **Rear-Wheel Drive (RWD) Handling** The RWD configuration provides better weight distribution and more engaging driving dynamics compared to front-wheel drive. This makes it more enjoyable to drive than many modern FWD muscle cars.

5. **Affordable to Buy and Maintain** Compared to modern Mustangs, these models are significantly cheaper to purchase and repair. Parts are widely available, and labor costs are lower.

6. **Mod Potential** The platform is highly modifiable. You can upgrade the engine (e.g., with a Coyote or 5.0L), suspension, exhaust, and interior without major structural changes.

7. **Nostalgia Factor** For enthusiasts who grew up with the Fox-body Mustang, owning one is a nostalgic experience. The sound, feel, and driving dynamics evoke a simpler era of American muscle.

8. **Decent Fuel Economy for a Muscle Car** The 3.8L V6 gets around **16 18 MPG city / 22 25 MPG highway**, which is better than most V8-powered Mustangs of the era.

9. **Strong Aftermarket Support** There s a vast aftermarket for parts, upgrades, and performance tuning, making it easy to customize.

10. **Good for Beginners** If you re new to classic cars, this Mustang is a forgiving choice it s not as temperamental as some older muscle cars.

---

#### **Cons**

1. **Weak Base Engine Power** The stock 3.8L V6 produces only **200 210 HP**, which is underpowered compared to modern Mustangs or even the 4.6L V8 from the same era. It feels sluggish in comparison to a 5.0L or 5.8L V8.

2. **Poor Acceleration & Top Speed** The 0 60 mph time is around **8 9 seconds**, and the top speed is limited to roughly **120 125 mph** (stock). This makes it feel slow compared to modern performance cars.

3. **Rough Ride Quality** The suspension is stiff and uncomfortable for daily driving. Potholes and rough roads can make for an unpleasant experience unless upgraded.

4. **High Center of Gravity (RWD)** While RWD improves handling, it also makes the car more prone to body roll and less stable at high speeds compared to AWD or modern RWD setups.

5. **Outdated Safety Features** These Mustangs lack modern safety tech like stability control, multiple airbags, or advanced crash protection. They also have poor crash test ratings compared to today s standards.

6. **Rust Concerns** Many Fox-body Mustangs (especially older ones) suffer from rust in the wheel wells, rocker panels, and undercarriage. A thorough inspection is crucial before buying.

7. **Transmission & Drivetrain Issues** Some 4R70W/4R75E automatics develop slipping or rough shifting over time. The rear differential may also wear out, requiring replacement.

8. **Interior Wear & Tear** The plastic interior (especially in older models) can crack, and the seats are basic and uncomfortable for long drives.

9. **Fuel Injection & Electrical Quirks** The EEC-IV/EEC-V systems can be finicky, leading to check engine lights and occasional misfires. Some models have poor fuel economy due to inefficient fuel delivery.

10. **Depreciation & Resale Value** Unlike modern Mustangs, these models don t hold value well. If you plan to sell later, you may not recoup much.

11. **Limited Modern Tech** No Bluetooth, USB ports, or advanced infotainment just a basic radio and analog gauges.

12. **Emissions & Smog Issues** Some states have strict emissions laws, and older Mustangs may fail smog checks unless properly maintained.

---

### **Conclusion & Recommendation**

The **2001 2004 Ford Mustang (3.8L V6, automatic, RWD)** is a **great choice for enthusiasts who prioritize nostalgia, mod potential, and affordability** over raw power and modern comfort. It s a **fun, drivable classic** that can be transformed into a much more capable car with relatively inexpensive upgrades.

- A **2005 Mustang (4.6L V8 or 5.0L Coyote)** for better power and modern features.

- A **restomod project** (if you re willing to invest in engine upgrades).

- A **used 2011 Mustang** for better safety, tech, and fuel efficiency.

#### **Who Should Buy This?**

**Classic car enthusiasts** who love the Fox-body Mustang s look and feel.

**Budget-conscious buyers** who want a Mustang without spending thousands.

**Those planning to modify it** (engine swaps, suspension upgrades, etc.).

**Drivers who prioritize driving enjoyment over daily practicality.**

#### **Who Should Avoid This?**

**People who want a fast, modern muscle car.**

**Those who need a comfortable, safe, or fuel-efficient daily driver.**

**Buyers who dislike older car quirks (rough ride, basic interior).**

If you **inspect it thoroughly for rust, transmission health, and engine condition**, this Mustang can be a **fantastic project car or a fun daily driver for the right owner**. However, if you re looking for **a more powerful, reliable, or modern alternative**, consider upgrading to a newer Mustang or a well-maintained 4.6L/5.0L model.

Would you like guidance on specific maintenance checks before purchasing?

Details:

Vehicle Stock #: 6878. Also fits: MUSTANG 01 6-232 3.8L, AT, from 4/05/01, 02-04 6-238 3.9L, AT. Condition: 123k. Model: FORD MUSTANG.

Part Stock #. Search for more parts for FORD MUSTANG. Rear Drive Shaft.

part #: 1r3z4602ba prices

• $145.00-$551.74

specifications universajoin:

• for models: Mustang
• for makes: Ford
• for years: 2001-2004
• mpn: 1r3z4602ba
• type: Driveshaft
• placement on vehicle: Rear
• transmission type: Automatic
• id: A98c8f2f-77e4-4396-b34e-fc3edb095a10
• interchange: 431-5026

shipping universajoin:

• class: Standard
• transit: 2-6 Days
• cost: $0.00
• service: Standard
• type: Fixed

seller universajoin:

• city: Mapleton, Illinois
• rating: 99.9%
• # reviews: 1798

payments universajoin:

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

returns universajoin:

• policy: Returns Accepted
• time: 60 Days
• paid by: Buyer

offer universajoin:

• options: Ship-to-home
• sold: 0
• started: February 24, 2026
• availability: In Stock
• best offers: True
• quantity: 1

general universajoin:

• Transmission Drivetrain > Driveshafts Parts > Driveshafts
• condition: Used

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