NISSAN 31020ZL42C Automatic Transmission Cylinder 400-51527 10/08

( Manufacturer Part Number: 31020ZL42C ), ( Conditions Options: Aod, Get Core ), ( Genuine Oem: Yes ), ( Ipn: 400-51527 ), ( Descriptionpartcondition: This Is A Used Oem Part From Salvage City Backed By Our 90 Day Wa ), ( Items Included: Torque Converter ), ( Manufacturer Warranty: 90 Day ), ( Type: Automatic Transmission )

Review NISSAN Automatic Transmission Cylinder From 10/08 Oem fits FRONTIER 2009

The **Nissan 31020ZL42C Automatic Transmission Cylinder** is a precision-engineered component designed exclusively for the **2008 and 2009 Nissan Frontier** vehicles equipped with the **RE4F04A 4-speed automatic transmission**. This high-performance transmission fluid control solenoid valve plays a critical role in regulating hydraulic pressure within the transmission system, ensuring seamless gear shifts, optimal clutch engagement, and overall drivetrain efficiency. Manufactured to strict OEM specifications, this cylinder is built with durable materials, including high-grade steel and corrosion-resistant coatings, to withstand the demanding conditions of daily driving, towing, and off-road use. The **10/08-09 model fitment** ensures compatibility with the Frontier s transmission control module, allowing for accurate fluid flow and precise valve operation, which is essential for maintaining the longevity of the transmission and preventing costly failures. Whether used in replacement for a worn-out or failed solenoid or as a preventive maintenance upgrade, this cylinder delivers reliable performance, helping to preserve the transmission s health and improve shifting responsiveness. Its direct fitment and plug-and-play design make installation straightforward for both professional mechanics and experienced DIY enthusiasts, ensuring a hassle-free upgrade that aligns with Nissan s original equipment standards.

### **Pros and Cons of Buying a Nissan 31020ZL42C Automatic Transmission (Model Years 2008-2009 Frontier)**

1. **Reliability of the 42C Transmission** The 42C automatic transmission, used in the 2008-2009 Nissan Frontier, is a robust unit designed for heavy-duty applications. It is known for its durability, especially when properly maintained. Many owners report smooth operation if the fluid is changed regularly and the system is not abused.

2. **Availability of Parts and Service Support** Nissan s 42C transmission is widely available in the aftermarket, with numerous repair shops, mechanics, and online sellers offering parts, rebuild kits, and labor. This makes repairs more accessible compared to less common transmissions.

3. **Towing and Hauling Capability** The Frontier s V6 engine (3.5L or 5.0L, depending on trim) paired with the 42C transmission is capable of handling moderate towing (up to 5,000 7,000 lbs with proper equipment). If you need a truck for work or recreational towing, this setup can be practical.

4. **Potential for Cost-Effective Repairs** Since the 42C is a well-documented transmission, rebuilding or replacing it can be less expensive than dealing with a rare or complex automatic. Many mechanics charge reasonable rates for repairs, and DIY rebuilds are feasible with the right tools and knowledge.

5. **Used Market Availability** The 2008-2009 Frontier with the 42C transmission is still relatively common in the used market, meaning you can find options at lower prices compared to newer models. This makes it a budget-friendly choice for those who prioritize functionality over luxury.

6. **Proven Durability in Right Hands** Many owners who maintain their transmission (regular fluid changes, avoiding excessive heat, and addressing issues early) report the 42C lasting well beyond 100,000 miles. It is not uncommon for these transmissions to reach 150,000 miles with proper care.

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1. **Transmission Fluid Degradation** One of the most common issues with the 42C transmission is fluid breakdown over time. Older vehicles often have neglected fluid changes, leading to slipping, rough shifting, or complete failure. If the fluid has never been changed or was changed infrequently, the transmission may require a full rebuild or replacement.

2. **Slipping or Delayed Shifts** A worn-out 42C transmission may exhibit symptoms like delayed engagement, slipping between gears, or hesitation during acceleration. These issues are often caused by worn clutches, solenoids, or internal damage from overheating or poor maintenance.

3. **Solenoid and Valve Body Failures** The 42C transmission relies on solenoids and the valve body to control shift patterns. Over time, these components can fail, leading to erratic shifting or complete loss of automatic function. Replacing the valve body or solenoids can be costly if the transmission is otherwise healthy.

4. **Torque Converter Issues** The torque converter in the 42C can wear out, causing the transmission to stall or fail to engage properly. This is often accompanied by a whining noise or delayed engagement when starting from a stop. Replacing a torque converter is a significant repair, often costing $800 $1,500 or more.

5. **Electrical Problems** The 42C transmission is controlled by a transmission control module (TCM) and various sensors. Wiring issues, faulty sensors, or TCM failures can cause shifting problems. Diagnosing and fixing electrical issues can be time-consuming and may require a mechanic with transmission expertise.

6. **Potential for Internal Damage** If the transmission has been abused (e.g., towing beyond its capacity, overheating, or neglecting fluid changes), internal components like clutches, bands, or planetary gears may be worn or damaged. In severe cases, a full rebuild or replacement may be necessary, which can be expensive.

7. **Resale Value and Depreciation** The Frontier, especially older models, does not hold its value well. If you plan to sell the truck later, the 42C transmission s reliability issues may deter buyers, making it harder to recoup your investment.

8. **Labor-Intensive Repairs** Rebuilding or replacing the 42C transmission is a labor-intensive process that requires specialized tools and knowledge. If you re not mechanically inclined, you may need to pay for professional labor, which can add up quickly.

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The **Nissan 31020ZL42C automatic transmission** in the 2008-2009 Frontier can be a **reliable and cost-effective choice** if you are prepared for potential maintenance challenges. It excels in durability for its age and is well-supported in the aftermarket, making repairs feasible. However, its **weakness lies in transmission fluid neglect, solenoid failures, and internal wear**, which can lead to costly repairs if the vehicle has not been properly maintained.

If you are buying this truck, **prioritize checking the transmission fluid condition, listening for unusual noises, and testing for smooth shifting**. A pre-purchase inspection by a transmission specialist is highly recommended. If the transmission has been well-maintained (regular fluid changes, no overheating, and no signs of slipping), it can be a solid, budget-friendly work truck. If it shows signs of neglect or has a history of rough shifting, the repair costs may outweigh the truck s value.

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- You find a **well-documented vehicle** with **regular transmission fluid changes** (every 30,000 50,000 miles).

- You are **prepared to perform or budget for transmission maintenance** (fluid changes, solenoid checks, and potential rebuilds).

- You need a **reliable, heavy-duty truck** for light to moderate towing and daily use, and you re okay with occasional repairs.

- You can **afford a transmission rebuild or replacement** if needed (budget $1,500 $3,000 for a rebuild or $2,500 $4,000 for a new transmission).

- The **transmission fluid is dark, burnt, or has never been changed**.

- The truck exhibits **slipping, delayed shifts, or whining noises** during a test drive.

- You **cannot afford or do not want to deal with transmission repairs**.

- You need a **low-maintenance vehicle** with minimal risk of major mechanical failures.

For the best value, consider **testing the transmission under load** (e.g., towing a small trailer or accelerating hard) to ensure it shifts smoothly. If possible, **get a transmission fluid analysis** or **scan for trouble codes** before purchasing. With proper care, this transmission can serve you well, but it requires **attention to maintenance** to avoid costly failures.

Details:

This part attaches to the engine compartment of vehicle. 217 Speedway Rd, Geffen, SC 29340. All mounting brackets are in good condition and usable. The transmission will come complete without accessories.

Help Message This Automatic Transmission 4 Cylinder From 10/08 Fits 09 Nissan Frontier OEM is in overall good condition. No expedited shipping options are available at this time. Automatic Transmission 4 Cylinder From 10/08 Fits 09 Nissan Frontier OEM This is in overall good condition.

part #: 31020zl42c prices

• $662.15-$1275.84

specifications autotransmissionsgo:

• for models: Frontier
• for makes: Nissan
• for years: 2009
• mpn: 31020zl42c
• conditions options: Aod, Get Core
• genuine oem: Yes
• ipn: 400-51527
• descriptionpartcondition: This Is A Used Oem Part From Salvage City Backed By Our 90 Day Wa
• items included: Torque Converter
• manufacturer warranty: 90 Day
• type: Automatic Transmission

returns autotransmissionsgo:

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

shipping autotransmissionsgo:

• service: Flat Rate Freight
• cost: $150.00
• class: Freight
• type: Fixed

general autotransmissionsgo:

• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
• condition: Used

seller autotransmissionsgo:

• rating: 98.9%
• # reviews: 4651
• city: Gaffney, South Carolina

offer autotransmissionsgo:

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

payments autotransmissionsgo:

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

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