INFINITI 370004GA0B Hybrid Rear Driveshaft Q50

( Manufacturer Part Number: 370004GA0B ), ( Type: Driveshaft ), ( Manufacturer Warranty: 1 Month ), ( Transmission Type: Automatic ), ( Country Of Origin: Japan )

Review INFINITI Q50 Hybrid Rear Driveshaft Oem fits RWD 2014–2018

The **Infiniti Q50 Hybrid (Model Code: 370004GA0B) Rear Driveshaft (2014 2018)** is a precision-engineered component designed to deliver seamless power transfer between the hybrid powertrain and the rear wheels in Infiniti s flagship Q50 model, ensuring optimal performance, efficiency, and durability. This driveshaft is specifically tailored for the **Q50 Hybrid RWD (Rear-Wheel Drive) variant**, which integrates a sophisticated **Q50 Hybrid system** featuring a **1.5L turbocharged inline-4 engine paired with an electric motor**, producing a combined output of up to **248 horsepower** while maintaining an **all-electric range of approximately 1.5 miles** under the EPA s hybrid classification. The driveshaft is crafted from high-strength, heat-treated steel, engineered to withstand the dynamic stresses of both conventional and electric propulsion, ensuring longevity even under the demanding conditions of daily driving, spirited acceleration, or extended highway cruising.

Constructed with **splined and flanged connections**, this driveshaft is designed for a **perfect fit** within the Q50 s rear axle assembly, accommodating the unique torque characteristics of the hybrid system while minimizing vibration and noise. The **constant velocity (CV) joints** at both ends typically featuring a **tapered roller bearing design** are sealed with robust **lip seals and grease fill ports**, protecting internal components from contaminants like dust, road debris, and moisture, which could otherwise compromise performance or lead to premature wear. The driveshaft s **balanced weight distribution** and **precision machining** contribute to a smooth, quiet driving experience, reducing unnecessary strain on the transmission and differential while maintaining the Q50 s signature blend of sporty handling and refined luxury.

For owners seeking **replacement or upgrade options**, this driveshaft is an essential component for maintaining the integrity of the Q50 Hybrid s rear-wheel-drive system, particularly after extended use or in cases where wear, damage, or a failed seal has compromised its functionality. Whether addressing a **clunking noise during acceleration**, **excessive play in the rear axle**, or **visible fluid leaks**, installing a genuine or high-quality aftermarket equivalent ensures that the hybrid s power delivery remains consistent, efficient, and reliable. Compatible with **OEM service procedures**, this driveshaft is a critical part of Infiniti s commitment to hybrid innovation, offering a balance of **performance, efficiency, and long-term durability** a hallmark of the Q50 s engineering excellence.

### **Pros and Cons of Buying a 2014 2018 Infiniti Q50 Hybrid (RWD, Rear Driveshaft, VIN: 370004GA0B)**

#### **Pros**

1. **Hybrid Efficiency and Fuel Savings**

The Q50 Hybrid combines a 2.0L turbocharged engine with an electric motor, delivering **34 40 MPG combined** (EPA estimates), which is significantly better than a non-hybrid Q50. This reduces long-term fuel costs, especially for high-mileage drivers.

2. **Strong Performance and Driving Dynamics**

The hybrid system provides **300 320 horsepower** (depending on the year) with instant torque from the electric motor, resulting in quick acceleration and a sporty driving experience. The RWD configuration enhances handling and precision, making it more engaging than FWD models.

3. **Reliability of the Hybrid System**

Infiniti s hybrid system in the Q50 is based on **Nissan s proven CVT and electric motor technology**, which has shown decent reliability in early models. The battery and motor components are generally robust, though long-term durability depends on maintenance.

4. **Luxury and Comfort**

The Q50 offers a **premium interior** with high-quality materials, a quiet cabin, and advanced features like **Nissan s ProPilot Assist** (available in later years). The rear driveshaft setup improves weight distribution, contributing to a more refined ride.

5. **Resale Value and Brand Prestige**

Infiniti has maintained a strong reputation for luxury and performance, and the Q50 holds its value relatively well compared to some competitors. The hybrid variant may also appeal to buyers looking for eco-friendly options.

6. **Low Maintenance Compared to Traditional V6s**

The hybrid system reduces wear on the internal combustion engine, meaning fewer oil changes and potentially longer engine life. The electric motor also eliminates traditional drivetrain issues like clutch or transmission wear.

---

#### **Cons**

1. **Higher Upfront Cost**

Hybrid Q50s are **more expensive to purchase** than non-hybrid models due to the added complexity of the electric system. This can be a barrier for budget-conscious buyers.

2. **Potential Hybrid-Specific Issues**

Early-generation hybrid systems (especially in the Q50) have reported **battery degradation over time**, which can lead to reduced range or premature replacement costs. Some owners have experienced **hybrid-specific electrical gremlins**, such as sensor failures or software glitches.

3. **Limited Range in Electric-Only Mode**

The Q50 Hybrid does not have a true **EV-only range** like a full electric car. The electric motor primarily assists the engine, meaning it cannot be driven purely on battery power for extended periods.

4. **Complexity and Repair Costs**

Hybrid vehicles require **specialized knowledge** to diagnose and repair, which can drive up maintenance costs if a dealer is needed. Battery replacements (if necessary) can be **expensive**, often costing **$3,000 $6,000 **.

5. **Weight and Efficiency Trade-offs**

While the hybrid improves fuel economy, the added weight of the battery and electric components can slightly reduce acceleration and handling responsiveness compared to a lighter non-hybrid Q50.

6. **Depreciation and Market Demand**

Luxury hybrids, while efficient, may **depreciate faster** than their non-hybrid counterparts due to shifting consumer preferences toward plug-in hybrids or full EVs. The Q50 Hybrid may not retain value as strongly as some other Infiniti models.

7. **Potential for Software and Infotainment Issues**

Early Infiniti models (2014 2016) had **infotainment glitches** and slow update cycles. While later models improved, these systems can still be **less intuitive** than competitors like BMW or Lexus.

---

### **Conclusion and Recommendation**

The **2014 2018 Infiniti Q50 Hybrid (RWD, rear driveshaft)** is an **excellent choice for buyers who prioritize fuel efficiency, sporty driving dynamics, and a refined luxury experience**. Its hybrid system provides **real-world savings on gas**, and the RWD setup enhances performance and handling. However, **potential hybrid reliability concerns, higher maintenance costs, and a higher purchase price** must be carefully considered.

#### **Who Should Buy It?**

- **Commuters or long-distance drivers** who want **better MPG** without sacrificing performance.

- **Enthusiasts** who prefer **RWD dynamics** and enjoy a **sporty yet comfortable** luxury sedan.

- **Buyers who can afford higher upfront costs** and are willing to **monitor hybrid health** over time.

#### **Who Should Avoid It?**

- **Budget-conscious buyers** who cannot justify the premium price for a hybrid.

- **Those who prioritize plug-in hybrid or electric range** (this Q50 does not offer significant EV-only capability).

- **Owners who dislike complex vehicles** and prefer traditional drivetrains with lower repair costs.

#### **Final Recommendation**

If you **find a well-maintained example with a clean service history**, the **Q50 Hybrid is a strong purchase** especially if you drive enough to justify the fuel savings. **Test the hybrid system thoroughly** (check battery health, test acceleration, and inspect for warning lights). If possible, **get a pre-purchase inspection** from a **hybrid-specialized mechanic** to assess battery and motor condition.

For the best value, **consider a later model (2016 2018)**, as Infiniti made **minor refinements** to the hybrid system in those years. If you can find one **under $30,000 $35,000**, it may be a **great deal** otherwise, be prepared for **higher long-term costs** compared to a non-hybrid Q50.

Details:

TRANSMISSION: AUTOMATIC 7 SPEED CODE: DRIVETRAIN: RWD. DONOR VEHICLE: 2015 INFINITI Q50 HYBRID PREMIUM RWD. PRODUCTION DATE: 10 2014.

part #: 370004ga0b prices

• $143.99-$225.02

specifications universajoin:

• for models: Rwd
• for makes: Infiniti
• for years: 2014-2018
• mpn: 370004ga0b
• type: Driveshaft
• manufacturer warranty: 1 Month
• transmission type: Automatic
• country of origin: Japan

offer universajoin:

• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• started: March 11, 2026

returns universajoin:

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

seller universajoin:

• city: Wylie, Texas
• # reviews: 1661
• rating: 99.3%

shipping universajoin:

• class: Standard
• cost: $80.00
• transit: 3-7 Days
• service: Standard
• type: Fixed

payments universajoin:

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

general universajoin:

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

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