SUBARU 431-58662 Rear Drive Shaft Automatic Transmission Loyale

( Model: LOYALE ), ( Part Type: Driveshaft Transmission ), ( Conditions Options: 2 Piece W2w 2in 2in Off ), ( Genuine Oem: Yes ), ( Ipn: 431-58662 ), ( Warranty: 90 Day )

Review SUBARU Rear Drive Shaft Automatic Transmission Loyale fits 1990–1994

The **Subaru 431-58662 Rear Drive Shaft** is a meticulously engineered, high-performance component designed exclusively for Subaru models equipped with automatic transmissions from the **1990 to 1994 Loyale series**, including the **Subaru Legacy (GL, GLS, Limited, and Turbo models)** and **Subaru Outback (L and LS trims)**. This drive shaft is a critical part of the vehicle s drivetrain, responsible for transferring torque from the automatic transmission to the rear differential, ensuring smooth and efficient power delivery to the wheels. Crafted from high-strength, durable materials, this shaft is built to withstand the rigorous demands of daily driving, towing, and spirited acceleration, making it an ideal replacement for worn or damaged original equipment components.

The **431-58662** is engineered with precision to match the exact specifications of Subaru s original design, featuring a **splined universal joint (U-joint) and constant velocity (CV) joint** configuration that minimizes vibration and wear while maximizing durability. The shaft s **sleeve and yoke assembly** is designed to accommodate the unique mounting points and spacing requirements of the **90-94 Loyale s rear axle**, ensuring a perfect fit without the need for modification. Constructed from **heat-treated steel**, the shaft is resistant to bending, fatigue, and corrosion, making it a long-lasting solution for drivers seeking reliability and performance.

For vehicles equipped with **automatic transmissions**, this drive shaft is particularly important, as it must synchronize seamlessly with the transmission s output shaft while handling the added torque generated by the torque converter and fluid coupling. The **431-58662** is compatible with the **EJ22 (2.2L) and EJ25 (2.5L) engines** found in these models, including both naturally aspirated and turbocharged variants, ensuring broad applicability across the Loyale lineup. Whether replacing a failed shaft due to excessive wear, a snapped spline, or a leaking seal, this aftermarket part is engineered to restore optimal drivetrain function and extend the lifespan of the vehicle s rear axle components.

Installation of the **Subaru 431-58662 Rear Drive Shaft** is straightforward for experienced DIY mechanics or professional technicians, as it follows the same mounting and alignment principles as the original equipment part. The shaft includes **pre-lubricated bearings and seals**, reducing the need for additional greasing during installation and ensuring smoother operation from the moment it s fitted. When paired with a high-quality **rear axle seal kit** and proper lubrication, this drive shaft helps prevent common issues such as **whining noises, vibration, or premature failure**, which are often signs of a failing original shaft. For Subaru enthusiasts who demand performance, longevity, and peace of mind, the **431-58662** is an essential upgrade that restores confidence in the drivetrain s reliability.

### **Pros and Cons of Buying a Subaru 431-58662 Rear Drive Shaft (Automatic Transmission, 1990-1994 Loyale)**

1. **Reliability of Subaru s Drivetrain Components** Subaru s early automatic transmissions (particularly the 4EAT used in these models) are known for durability if maintained properly. Many last well beyond 200,000 miles with basic care.

2. **Proven Suspension and Handling** The Loyale (based on the Subaru Legacy) features a solid suspension setup with good road manners, making it a practical daily driver for those who appreciate a balanced ride.

3. **AWD Capability (If Equipped)** If the vehicle comes with Subaru s early AWD system, it offers excellent traction in light snow or off-road conditions, which can be valuable depending on your climate.

4. **Moderate Fuel Economy for the Era** Automatic transmissions in this generation typically achieve around **18-22 MPG combined**, which is reasonable for a late-'80s/early-'90s car, especially if it s been well-maintained.

5. **Potential for Restoration or Classic Appeal** If you enjoy classic Japanese cars or are looking for a project, the Loyale has a cult following among enthusiasts who appreciate its unique blend of practicality and retro styling.

6. **Affordable Parts Market** Being an older Subaru, replacement parts (especially for the drivetrain and suspension) are widely available and often inexpensive compared to newer vehicles.

7. **Simple Automatic Transmission** The 4EAT is a straightforward design with fewer electronic components than modern automatics, meaning fewer potential failure points if kept in good condition.

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1. **Transmission Reliability Issues** While some 4EAT transmissions are robust, others suffer from **slippage, rough shifting, or internal wear**, especially if fluid changes were neglected. A pre-purchase inspection is critical to verify transmission health.

2. **Rust Concerns (Especially in Snowy Climates)** Subarus of this era are notorious for rust, particularly in the wheel wells, subframe, and rear axle areas. A thorough inspection of the undercarriage is essential.

3. **Outdated Safety Features** No ABS, minimal crash protection, and basic (or nonexistent) airbags make this a **high-risk purchase for safety-conscious buyers**. Modern safety standards are far superior.

4. **Poor Fuel Injection Reliability** The **EJ22 (2.2L) engine** in these models is prone to **fuel pump failure, injector issues, and timing chain wear**, which can lead to expensive repairs if not addressed early.

5. **High Maintenance Costs Over Time** While parts are cheap, labor costs (especially for timing belt replacements, suspension work, and transmission servicing) can add up. The car may not be cost-effective to maintain long-term.

6. **Limited Modern Comforts** No power steering, basic interior materials, and poor sound insulation mean a **noisy, less comfortable** ride compared to modern vehicles.

7. **Depreciation and Resale Value** Classic Subarus hold value for enthusiasts, but a daily-driven Loyale with high mileage will depreciate quickly. It s not a wise long-term investment unless you plan to restore it.

8. **Electrical Gremlins** Early Subarus are infamous for **faulty wiring, intermittent electrical issues, and poor ground connections**, which can be frustrating to diagnose and fix.

9. **Limited Aftermarket Support** While parts exist, modern tuning and performance upgrades are **limited compared to newer Subarus**, restricting modifications.

- **Timing belt wear** (critical on the EJ22)

- **Suspension bushings** (worn-out control arms, sway bar links)

- **Differential or transfer case leaks** (if AWD)

- **Exhaust manifold cracks** (common in these engines)

---

Buying a **1990-1994 Subaru Loyale (431-58662 rear drive shaft, automatic transmission)** can be a **fun, affordable, and mechanically interesting** project car **if** you:

- **Prioritize reliability over modern comfort.**

- **Are prepared for high maintenance costs.**

- **Inspect the car thoroughly** (or have a trusted mechanic do so) for rust, transmission condition, and engine health.

- **Plan to restore it** rather than drive it daily.

However, if you **value safety, fuel efficiency, low maintenance, and modern amenities**, this car is **not a practical choice**. It s better suited for **enthusiasts who enjoy working on cars, appreciate classic Subaru charm, or are looking for a budget-friendly project** not as a long-term daily driver.

---

- You find a **well-documented, low-mileage example** (under 150,000 miles) with **full service records**, especially for **timing belt, transmission fluid, and rust treatment**.

- You **budget for major repairs** (engine, transmission, suspension) within the first few years.

- You **plan to restore it** rather than drive it daily.

- You **test drive it thoroughly** and have a **pre-purchase inspection** from a Subaru specialist.

- You need a **safe, reliable, low-maintenance** vehicle.

- You **can t afford unexpected repairs** (expect $2,000 $5,000 in hidden issues if not well-maintained).

- You **prioritize fuel economy, modern tech, or comfort** over nostalgia and mechanical challenge.

- If you like the Loyale s practicality but want better reliability, consider a **later-model Subaru (1995 )** with the **EJ25 engine** (more refined) or a **used modern AWD Subaru (Outback, Forester, Crosstrek)**.

- If you re set on a classic Subaru, a **well-maintained 1990-1994 Outback or Legacy with manual transmission** (less transmission-related issues) might be a slightly better bet.

**Final Verdict:** Only purchase this Loyale if you re **prepared for the challenges** otherwise, seek a more modern or better-documented alternative.

Details:

Year: 1990, model: LOYALE, Stock #: OP5312, Mileage: 91000. See below for fitment information and any notes pertaining to this specific part. This part will only fit: LOYALE 90 AT, w/o turbo, 91-94 SUBARU PASS. For more parts from this vehicle.

Donor Vehicle. Notes: 2 PIECE W2W F12-1 2IN R25-1 OFF. It is ready to ship and comes with a 90 day warranty.

part #: 431-58662 prices

• $206.39-$913.00

specifications universajoin:

• for makes: Subaru
• for years: 1990-1994
• model: Loyale
• part type: Driveshaft Transmission
• conditions options: 2 Piece W2w 2in 2in Off
• genuine oem: Yes
• ipn: 431-58662
• warranty: 90 Day

returns universajoin:

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

general universajoin:

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

shipping universajoin:

• type: Fixed
• carrier: UPS
• class: Standard
• transit: 4-7 Days
• service: UPS Ground
• cost: $0.00

offer universajoin:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• started: April 3, 2026

seller universajoin:

• # reviews: 15681
• city: Toledo, Ohio
• rating: 98.9%

payments universajoin:

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

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