INFINITI 2101024214 Driveshaft Drive Shaft M37X

( Manufacturer Part Number: 2101024214 ), ( Type: Driveshaft ), ( Oe/oem Part Number: Oem ), ( Fitment Type: Direct Replacement ), ( Placement On Vehicle: Rear ), ( Transmission Type: Automatic )

Review INFINITI Driveshaft Drive Shaft Used Oem fits 2011–2013

The **Infiniti M37x Driveshaft (Part Number: 2101024214, Model Years: 2012-2013)** is a precision-engineered, high-performance drivetrain component designed exclusively for Infiniti s front-wheel-drive (FWD) and all-wheel-drive (AWD) models, ensuring seamless power transfer from the transmission to the wheels while maintaining optimal handling and durability. Crafted from high-grade, heat-treated steel, this driveshaft features a robust, balanced construction that minimizes vibration and wear, even under demanding driving conditions such as aggressive acceleration, high-speed cruising, or off-road excursions. The M37x series is renowned for its superior quality, incorporating a **splined shaft connection** at the transmission end and a **constant velocity (CV) joint assembly** at the wheel end, both of which are engineered for longevity and smooth operation. The CV joints, in particular, are sealed with robust rubber boots and reinforced bearings to protect against dust, moisture, and debris, reducing the risk of premature failure and ensuring reliable performance over the vehicle s lifespan. This driveshaft is compatible with Infiniti s **CVT (continuously variable transmission)** and traditional automatic transmissions, providing a seamless fit with minimal clearance issues, thanks to its meticulously calibrated length and alignment tolerances. Whether installed in a **G35 Coupe, G37 Sedan, or FX35 SUV**, this driveshaft delivers the precision and strength required to maintain the vehicle s dynamic driving characteristics while reducing noise, sway, and unnecessary stress on the drivetrain components. For enthusiasts and fleet operators alike, the M37x series represents a dependable, off-the-shelf solution for replacements, upgrades, or maintenance, backed by Infiniti s engineering standards and aftermarket reputation for reliability.

### **Analysis of Buying a Used Infiniti Q45/QX56 Driveshaft (Part Number: 2101024214, Model Years: 2012-2013, M37x Spline)**

#### **Pros of Purchasing This Driveshaft**

1. **Direct Fit for 2012-2013 Infiniti Q45/QX56 (M37x Spline)**

- The part number (2101024214) is confirmed to match the rear driveshaft for these models, ensuring compatibility without modification.

- The M37x spline is a common size, making it easier to source if the original fails.

2. **Potential Cost Savings**

- Buying a used or rebuilt driveshaft can be significantly cheaper than a new OEM part (often 30-50% less).

- Aftermarket or remanufactured options may also be available at a lower price.

3. **Avoiding Long Wait Times**

- New OEM parts may require extended lead times, whereas a used or aftermarket driveshaft can be sourced quickly.

4. **Potential for Remanufactured Quality**

- Some used driveshafts are professionally rebuilt with new components, offering near-OEM performance at a fraction of the cost.

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#### **Cons of Purchasing This Driveshaft**

1. **Reliability Concerns with Used Parts**

- A used driveshaft may have hidden damage (cracks, bent yokes, worn bearings, or internal corrosion) that isn t immediately visible.

- If the previous owner neglected maintenance, the driveshaft could fail prematurely, leading to costly repairs.

2. **Lack of Warranty or Return Policy**

- Used parts typically come with no warranty, meaning you bear the full risk if it fails shortly after installation.

- Aftermarket or remanufactured parts may have limited warranties (e.g., 30-90 days), which is far less protection than OEM.

3. **Potential Mismatch in Condition**

- The driveshaft may have been removed due to wear, meaning it could have internal damage (e.g., worn splines, cracked shafts, or seized bearings) that isn t obvious during inspection.

- If the original driveshaft failed due to a design flaw (unlikely in this case, but possible), a replacement may not solve the underlying issue.

4. **Installation Risks**

- If the driveshaft is not properly inspected or installed, it could cause further damage to the differential or transmission.

- Incorrect alignment or improper sealing can lead to leaks or premature failure.

5. **Limited Availability of Genuine OEM Parts**

- While this driveshaft is common, finding a high-quality used or remanufactured version may require extra effort, and prices can vary widely.

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#### **Key Considerations Before Purchase**

1. **Inspect Thoroughly**

- Visible cracks, dents, or corrosion.

- Proper spline engagement (no wear or damage).

- Smooth operation when spun by hand (no grinding or resistance).

- Intact dust boots and seals.

- If possible, have a mechanic verify its condition before buying.

2. **Source Reputable Sellers**

- Purchase from trusted used part dealers, salvage yards with inspection processes, or reputable online marketplaces (e.g., eBay with seller ratings, Facebook Marketplace with verified listings).

- Avoid "too good to be true" deals, as they often indicate hidden issues.

3. **Compare Prices**

- Research the average cost of a new OEM driveshaft ( $800 $1,200) and compare it to used/remanufactured options ( $300 $600).

- Factor in labor costs if you re not installing it yourself.

4. **Consider Alternatives**

- If the driveshaft is the only failing component, weigh whether repairing other related parts (e.g., differential, CV joints) would be more cost-effective.

- If the vehicle has high mileage, assess whether the driveshaft is worth repairing or if the car s overall condition justifies the expense.

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#### **Final Conclusion and Recommendation**

- You source it from a reputable seller with a clear inspection process.

- You verify its condition thoroughly before purchase.

- You re prepared to accept the risk of potential hidden damage (and have a backup plan if it fails quickly).

- Full warranty coverage.

- Guaranteed compatibility and quality.

- Peace of mind with no risk of premature failure.

- **If you re on a tight budget and can t afford a new part**, buy from a trusted used part dealer and inspect it meticulously. Consider adding a short warranty or return policy to mitigate risk.

- **If reliability is a priority**, invest in a new or remanufactured driveshaft to avoid future headaches.

- **If the vehicle has high mileage or other mechanical issues**, evaluate whether repairing the driveshaft is worth the long-term value of the car.

For most drivers, the **safety and warranty benefits of a new or remanufactured driveshaft outweigh the cost savings of a used part**, unless you re certain of the used part s condition.

Details:

VEHICLE: 2012 Infiniti M37x Sedan. PART: Driveshaft.

part #: 2101024214 prices

• $127.49-$159.99

specifications universajoin:

• for makes: Infiniti
• for years: 2011-2013
• mpn: 2101024214
• type: Driveshaft
• oe/oem part number: Oem
• fitment type: Direct Replacement
• placement on vehicle: Rear
• transmission type: Automatic

seller universajoin:

• # reviews: 5026
• rating: 99.8%
• city: Agawam, Massachusetts

offer universajoin:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: May 14, 2026
• sold: 0

payments universajoin:

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

general universajoin:

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

returns universajoin:

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

shipping universajoin:

• service: USPS Priority Mail
• carrier: USPS
• transit: 4-8 Days
• cost: $0.00
• type: Fixed
• class: Expedited

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