NISSAN Hardbody Throttle Body 337-58916 D21 2.4L AFH45M-14

( Manufacturer Part Number: AFH45M14 ), ( Years: 1990 1991 1992 1993 1994 1995 90 91 92 93 94 95 ), ( Color: Silver ), ( Items Included: Throttle Valve ), ( Material: Aluminum ), ( Fuel Type: Gasoline ), ( Type: Throttle Body ), ( Ipn: 337-58916 ), ( Manufacturer Warranty: 1 Month ), ( Connector Type: Plug ), ( Features: Electronic ), ( Universal Fitment: No )

Review NISSAN Hardbody D21 Pickup Truck 2.4l Throttle Body fits 1990–1995

The **Nissan AFH45M-14 Throttle Body** for the **1990 1995 Nissan Hardbody (D21 2.4L)** is a precision-engineered component designed to optimize airflow and throttle response in this iconic, rugged pickup truck. Part of Nissan s AFH series, this throttle body is specifically calibrated for the **D21 2.4-liter inline-four engine**, which powers the Hardbody s durable yet performance-oriented drivetrain. Crafted with a focus on reliability and efficiency, the AFH45M-14 features a **metal throttle valve** that ensures smooth, consistent operation under varying load conditions, whether cruising on the highway or towing heavy loads. Its compact yet robust design integrates seamlessly with the engine bay s layout, allowing for easy installation without compromising the truck s original functionality. The throttle body is equipped with a **plastic or metal housing**, depending on the model year and application, with the **AFH45M-14 variant** typically featuring a durable plastic casing reinforced for longevity. This component plays a critical role in regulating fuel-air mixture by controlling the airflow entering the intake manifold, directly influencing throttle response, idle stability, and overall engine performance. Whether restoring a classic Hardbody or upgrading an existing system, this throttle body is a straightforward yet essential part that ensures the engine breathes efficiently, reducing hesitation and improving drivability. Its compatibility with aftermarket modifications, such as performance air intakes or ECU tuning, makes it a versatile choice for enthusiasts looking to enhance their truck s power delivery while maintaining reliability. Built to withstand the demands of both daily driving and occasional off-road adventures, the AFH45M-14 throttle body exemplifies Nissan s engineering precision for the D21 platform, offering a balance of performance and durability in a compact, easy-to-service package.

### Pros and Cons of Buying a Nissan AFH45M14 (1990 1995 Hardbody D21 2.4L Throttle Body)

1. **Affordability** These trucks are inexpensive to purchase, often found in the $1,000 $3,000 range depending on condition. This makes them a great entry point for budget-conscious buyers.

2. **Simple Mechanics** The D21 2.4L engine is a straightforward, naturally aspirated inline-four with few complex components. Basic repairs (like valve adjustments, timing belt replacements, or fuel system work) are manageable for DIYers.

3. **Reliability (When Maintained)** With proper upkeep, the D21 can last well over 200,000 miles. Many examples survive with minimal issues if the engine is kept clean and lubricated.

4. **Parts Availability** As a common Nissan truck from the early '90s, parts (especially for the D21 engine) are widely available, both new and used. Common wear items (like bushings, ball joints, and suspension components) are easy to source.

5. **Mod Potential** The throttle body setup allows for relatively easy modifications, such as upgrading to a performance throttle body, installing a cold air intake, or tuning the engine for better power.

6. **Lightweight & Maneuverable** The Hardbody is smaller and lighter than full-size trucks, making it easier to drive in urban areas and park in tight spaces.

7. **Classic Appeal** For enthusiasts, these trucks have a nostalgic, rugged charm. Restoring one can be a rewarding project, and they hold value in the classic truck market.

8. **Fuel Efficiency** The 2.4L engine is reasonably efficient for its time, averaging around 18 22 MPG in mixed driving, which is better than many larger trucks from the era.

9. **Simple Suspension** The front suspension (MacPherson struts) and rear (leaf springs) are basic but durable, though they may require occasional adjustments or replacements.

10. **No Electronic Complexity** Unlike modern trucks, these lack advanced computer systems, making troubleshooting easier for those who prefer mechanical over digital diagnostics.

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1. **Poor Fuel Economy for Modern Standards** At best, you ll get around 18 22 MPG, which is far less efficient than modern trucks or even many cars from the same era.

2. **Rust Issues** Many examples suffer from rust, particularly in the frame rails, wheel wells, and undercarriage. A thorough inspection is critical to avoid costly repairs.

3. **Outdated Safety Features** No ABS, no airbags (except optional side-impact airbags in later models), and minimal crash protection. Modern safety standards are not met.

4. **Weak Transmission (Standard 4-Speed)** The standard 4-speed manual transmission is crude by today s standards, with poor shift quality and no synchros in the first gear. The optional 5-speed is better but still not refined.

5. **Poor Heating/Defroster Performance** The heating system is often weak, and the defroster can be sluggish, making winter driving uncomfortable.

6. **Limited Comfort & Noise** The cabin is basic, with thin insulation leading to wind and road noise. Seats are hard and unadjustable, making long drives uncomfortable.

- **Timing Belt/Tensioner Failure** Can cause catastrophic engine damage if neglected.

- **Rod Bearings** Some engines develop rod knock over time if not maintained.

- **Head Gasket Leaks** Common in high-mileage examples, leading to coolant loss and overheating.

- **Throttle Body Carbon Buildup** Can cause rough idling and poor acceleration if not cleaned periodically.

8. **Driving Experience** The steering is vague, the suspension is stiff, and the ride is harsh. Modern trucks offer far smoother handling and better road manners.

9. **Limited Aftermarket Support** While parts exist, high-performance or modern upgrades (like turbocharging or fuel injection) are not as developed as for more popular platforms (e.g., Toyota Hilux, Ford Ranger).

10. **Resale Value** These trucks depreciate quickly and have little to no resale value unless restored to show condition. They are primarily bought for parts or as project vehicles.

11. **Emissions & Legal Issues** Some states have strict emissions regulations. A 1990 1995 truck may fail modern smog checks unless modified with an aftermarket emissions system (which can be expensive).

12. **No Modern Tech** No Bluetooth, USB ports, backup cameras, or advanced infotainment. The radio is often a basic AM/FM with no auxiliary input.

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The Nissan AFH45M14 Hardbody (1990 1995) is a **great budget buy for a project vehicle, parts car, or weekend driver** but it is **not a practical daily driver** by modern standards. It excels in affordability, simplicity, and mod potential, but its shortcomings in comfort, safety, fuel efficiency, and reliability make it less ideal for serious daily use.

If you re looking for a **cheap, easy-to-work-on truck** that you can restore or use for occasional driving, this is a solid choice. However, if you need **reliability, comfort, or modern features**, a more recent used truck (or even a well-maintained classic like a Toyota Hilux or Ford Ranger) would be a better investment.

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- You re on a tight budget and want a **project vehicle** or **parts source**.

- You enjoy **mechanical work** and don t mind basic discomforts.

- You plan to **restore it to show condition** and sell it later.

- You need a **light-duty truck** for occasional use (e.g., hauling small loads, weekend trips).

- You need a **reliable daily driver** with modern safety and comfort features.

- You prioritize **fuel efficiency** or **low maintenance costs** long-term.

- You want a **quiet, smooth-riding truck** for daily commuting.

- You live in an area with **strict emissions laws** or harsh winters (poor heating).

- If you like the Hardbody but want better reliability, look for a **1996 2004 Nissan Hardbody with the 2.5L or 3.0L engine** (though these have their own issues).

- For a **more practical classic truck**, consider a **Toyota Hilux (1990s)**, **Ford Ranger (1990s)**, or **Mazda B-Series** they re more durable and have better parts support.

- If you want a **modern used truck**, a **2010 2015 Ford Ranger, Toyota Tacoma, or Nissan Frontier** offers better value for daily use.

In summary, the AFH45M14 is a **fun, low-cost truck for the right buyer**, but it s not a practical choice for those seeking modern convenience or long-term reliability.

Details:

Fits the following: 1990 - 1995 Nissan Hardbody D21 Pickup Truck 2.4L Throttle Body AFH45M-14, 6B0957 LOC 6N12G -MG.

part #: afh45m14 prices

• $27.54-$68.95

specifications throobo:

• for makes: Nissan
• for years: 1990-1995
• mpn: Afh45m14
• years: 1990 1991 1992 1993 1994 1995 90 91 92 93 94 95
• color: Silver
• items included: Throttle Valve
• material: Aluminum
• fuel type: Gasoline
• type: Throttle Body
• ipn: 337-58916
• manufacturer warranty: 1 Month
• connector type: Plug
• features: Electronic
• universal fitment: No

returns throobo:

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

shipping throobo:

• cost: $24.99
• service: FedEx Ground Economy, UPS Ground, FedEx Ground / FedEx Home Delivery
• carrier: FedEx, UPS
• transit: 3-8 Days
• type: Fixed
• class: Economy, Standard

offer throobo:

• sold: 0
• started: March 30, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1

seller throobo:

• # reviews: 3295
• city: Albany, Oregon
• rating: 99.8%

general throobo:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Throttle Bodies

payments throobo:

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

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