1. Automatic Transmissions Products
  2. sku: 24069046025132711
  3. NISSAN 31020-X347A

NISSAN 31020-X347A Automatic Transmission

fits make: Nissan.

31020-x347a Nissan Genuine Automatic Transmission

( Manufacturer Part Number: 31020-X347A ), ( Part Type: Transmission ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Replaces Part Number: 31020x044b, 31020x093b, 310c0x044b )

Review NISSAN Genuine Automatic Transmission

The **Nissan 31020-X347A Automatic Transmission** is a robust and highly engineered powerhouse designed to deliver seamless performance and durability across a wide range of Nissan vehicles, including models like the Altima, Maxima, and Frontier. This transmission is a sophisticated **5-speed automatic** with a **torque converter** and **electronic shift control**, engineered to handle the demands of modern driving with precision and efficiency. Built with a **compact yet sturdy design**, it integrates a **planetary gearset** and **hydraulic clutch packs** to ensure smooth gear engagement, reducing wear while maximizing power transfer. The transmission features a **robust valve body** that regulates fluid flow, optimizing shifting dynamics for both city driving and highway cruising, while its **integrated torque converter** enhances acceleration and fuel efficiency by matching engine output with optimal gear ratios.

Under the hood, the **31020-X347A** incorporates a **durable aluminum housing** reinforced with high-strength steel components, providing structural integrity and resistance to heat and stress. Its **electronic shift control system** works in tandem with the vehicle s ECU, allowing for adaptive shifting patterns that adjust to driving conditions whether it s aggressive overtaking, steady highway cruising, or stop-and-go traffic. The transmission also employs a **multi-disc clutch system** with **friction materials** designed for longevity, reducing the likelihood of slippage or premature failure. For added reliability, it includes a **built-in oil pump** that circulates transmission fluid through precision channels, ensuring consistent lubrication and cooling of internal components.

Maintenance of the **31020-X347A** is streamlined thanks to its **accessible service points**, including a **drain plug, filter housing, and fluid fill port** that allow for easy fluid changes a critical factor in extending its lifespan. The transmission fluid itself plays a vital role in performance, and Nissan recommends using **specific high-quality automatic transmission fluids** (such as **Nissan ATF NS-2**) to prevent overheating and clutch wear. Additionally, the **31020-X347A** is compatible with **Nissan s Intelligent Multi-Mode Body (IMMB)** and **Shift-By-Wire (SBW)** systems in newer models, offering drivers the option for **manual shift control** while maintaining the efficiency of an automatic transmission.

Whether installed in a **sporty sedan** or a **versatile SUV**, the **Nissan 31020-X347A** exemplifies a balance of **performance, durability, and adaptability**. Its **seamless shifting, robust construction, and electronic sophistication** make it a cornerstone of Nissan s transmission lineup, ensuring that drivers experience **smooth power delivery, responsive handling, and long-term reliability** even under demanding conditions. For those seeking a transmission that combines **cutting-edge technology with proven engineering**, the **31020-X347A** stands as a testament to Nissan s commitment to driving excellence.

The Nissan 31002-0X347A is an automatic transmission commonly found in older Nissan models, particularly those from the late 1990s to early 2000s, such as the Maxima, Altima, and Sentra. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

### Pros of the Nissan 31002-0X347A Transmission

1. **Common and Widely Available** This transmission is one of the most common in older Nissans, meaning parts, labor, and repair resources are abundant. Dealers, mechanics, and online marketplaces frequently carry it or compatible alternatives.

2. **Proven Reliability in Stock Form** When properly maintained, the 31002-0X347A is known for durability, especially in applications like the Nissan Maxima (VQ35DE engine). Many units have lasted well over 200,000 miles with basic upkeep.

3. **Affordable Replacement Cost** Compared to newer transmissions, this unit is relatively inexpensive to replace, typically ranging from $1,200 to $2,500 installed, depending on labor rates and whether you opt for a rebuilt or new unit.

4. **Aftermarket Support** There is a strong aftermarket presence for this transmission, including rebuilt units from companies like JE and TransGo, which often come with warranties. Upgrades like torque converters, solenoids, and fluid changes are also readily available.

5. **Modifiable for Performance** Enthusiasts can upgrade components like the torque converter, clutch packs, and valve body to improve shifting performance, torque handling, or fuel efficiency. This makes it a popular choice for tuners.

6. **Compatibility with Tuning** The 31002-0X347A works well with mild to aggressive engine modifications (e.g., turbocharging, forced induction) when paired with the right supporting components, such as a stronger torque converter or upgraded transmission fluid.

7. **Ease of Maintenance** Basic maintenance like fluid changes and filter replacements are straightforward and cost-effective. Many owners perform these tasks themselves, reducing long-term costs.

8. **Resale Value for Classic Nissans** If you re restoring or keeping a classic Nissan, this transmission retains value in the aftermarket, especially if it s in good condition.

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### Cons of the Nissan 31002-0X347A Transmission

1. **Aging Design Limitations** The transmission is a 4-speed automatic with a traditional planetary gear set, which can struggle with high torque loads if not properly supported. Modern engines (especially turbocharged ones) may require additional modifications to prevent premature wear.

2. **Common Failure Points** Over time, wear can occur in the clutch packs, planetary gears, and torque converter. Symptoms include rough shifting, delayed engagement, slipping, or complete failure. The valve body and solenoids can also fail, leading to erratic shifting or no shifting at all.

3. **Fluid and Filter Neglect** Many owners neglect fluid changes, which accelerates wear. Old or contaminated fluid can cause the transmission to overheat, leading to clutch failure or internal damage. The transmission filter is also prone to clogging if not replaced regularly.

4. **Torque Converter Issues** The stock torque converter is not designed for high-torque applications. In turbocharged or heavily modified engines, it can overheat or slip, requiring an upgrade (e.g., a performance converter or a limited-slip converter).

5. **Shift Solenoid Problems** The solenoids (which control valve operation) can fail due to dirt or electrical issues, causing harsh or delayed shifts. Replacing them is a common repair, but they may fail again if the transmission fluid is not clean.

6. **Limited Longevity with Heavy Use** While capable of lasting long distances with proper care, this transmission is not built for extreme performance or heavy-duty applications without modifications. Towing or aggressive driving can shorten its lifespan.

7. **Rebuilt Units May Not Last Longer** Some rebuilt transmissions fail prematurely if not properly inspected or if low-quality parts are used. It s important to source reputable rebuilders and ensure the unit is thoroughly tested before installation.

8. **Compatibility with Modern Engines** While it works well with naturally aspirated engines like the VQ35DE, pairing it with high-output turbocharged engines (e.g., VQ35HR, VQ35DE with aggressive tuning) can lead to premature failure without supporting modifications (e.g., a stronger torque converter, upgraded clutch packs, or a different transmission).

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### Conclusion

The Nissan 31002-0X347A transmission is a solid choice for stock or mildly modified applications in older Nissans, particularly those with naturally aspirated engines. Its widespread availability, affordability, and aftermarket support make it a practical option for enthusiasts and everyday drivers. However, it is not ideal for high-performance or heavy-duty use without significant modifications. Proper maintenance, including regular fluid changes and filter replacements, is critical to extending its lifespan.

If you re running a stock or mildly tuned VQ35DE engine and plan to drive the vehicle responsibly, this transmission can be a reliable and cost-effective choice. For turbocharged or high-torque applications, consider upgrading to a more robust transmission (such as a Jatco JF515E or a rebuilt 31002 with performance modifications) or pairing it with supporting components like a stronger torque converter.

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### Recommendation

- **Buy it if:** You re restoring or maintaining a stock or mildly modified Nissan (e.g., VQ35DE with stock or mild tuning), you prioritize affordability and availability, and you re committed to regular maintenance (fluid changes every 30,000 50,000 miles).

- **Avoid it if:** You plan to heavily modify the engine (e.g., aggressive turbocharging), tow frequently, or expect the transmission to handle high torque without upgrades. In such cases, consider a more robust transmission or a rebuilt unit with performance modifications.

- **Best Practices for Ownership:**

- Use high-quality automatic transmission fluid (e.g., Mobil 1 ATF or Liqui Moly ATF) and change it every 30,000 50,000 miles.

- Replace the transmission filter during fluid changes to prevent contamination.

- If modifying the engine, upgrade the torque converter and consider a performance clutch kit or valve body upgrade.

- Source the transmission from a reputable seller (e.g., JE, TransGo, or a trusted local mechanic) and have it inspected before installation.

- Monitor for signs of wear (e.g., rough shifting, slipping, delayed engagement) and address issues promptly to avoid catastrophic failure.

Details:

Genuine Nissan Automatic Transmission 31020-X347A: Parts: New. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable. Medium wheelbase.

Parts must be resalable and in the original packaging.

part #: 31020x347a prices

  • $7612.16-$7902.45

specifications autotransmissionsgo:

  • for makes: Nissan
  • mpn: 31020-x347a
  • part type: Transmission
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • genuine oem: Yes
  • replaces part number: 31020x044b, 31020x093b, 310c0x044b

offer autotransmissionsgo:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: June 4, 2026

returns autotransmissionsgo:

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

seller autotransmissionsgo:

  • # reviews: 3491
  • city: Franklin, Tennessee
  • rating: 99.5%

shipping autotransmissionsgo:

  • type: Fixed
  • transit: 2-6 Days
  • carrier: UPS
  • service: UPS Ground
  • class: Standard
  • cost: $126.06

payments autotransmissionsgo:

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

general autotransmissionsgo:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
for makes: nissan, part type: transmission, manufacturer warranty: 1 year, fitment type: direct replacement, genuine oem: yes, replaces part number: 31020x044b, 31020x093b, 310c0x044b,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 24069046025132711,
Nissan 31020-X347A Is Similar To:
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2 offers $7612.16–$7902.45 USD
  • New. Offer #1 priced at $7902.45 + $117.51 shipping estimate = $8019.96* total. Genuine Nissan Parts.+$117.51 shipping
  • New. Offer #2 priced at $7612.16 + $126.06 shipping estimate = $7738.22* total. +$126.06 shipping

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