fits model: Sonata. make: Hyundai. year: 1992.

( Part Type: Throttle ), ( Genuine Oem: Yes ), ( Ipn: 337-59071 ), ( Placement: Throttle Body Assembly )
The **Hyundai 337-59071 Throttle Body** is a precision-engineered emissions-compliant component designed specifically for the **1989 1994 Hyundai Sonata** models equipped with the **4-cylinder 3.0L (3000cc) engine**, corresponding to the **4842 engine code**. This throttle body plays a critical role in regulating airflow into the engine, ensuring optimal performance while adhering to **EPA and California Air Resources Board (CARB) emissions standards** for the era. Crafted from high-quality materials, including durable plastic and corrosion-resistant metal components, this throttle body is built to withstand the demands of daily driving, providing a reliable and efficient throttle response. The design incorporates a **mechanical cable linkage** (common in pre-1995 models) that allows for smooth acceleration and precise control, reducing engine hesitation and improving throttle response. Whether replacing a worn-out original part or upgrading an older vehicle to meet modern emissions requirements, this throttle body ensures compatibility with the **fuel injection system**, including the **EFI (Electronic Fuel Injection) setup** found in these Sonata models. Its seamless integration with the **intake manifold** and **throttle cable assembly** guarantees a secure fit, minimizing air leaks and maintaining engine efficiency. Ideal for both professional mechanics and DIY enthusiasts, this genuine Hyundai part is a straightforward yet essential upgrade for restoring or maintaining the performance and reliability of your 3.0L Sonata, ensuring it runs cleanly, smoothly, and in full compliance with the original emissions specifications.
### **Pros and Cons of buying a Hyundai 337-59071 Throttle Body (30L Emissions, 1989-1994 Sonata, Part #4842)**
#### **Pros:**The Hyundai 337-59071 throttle body is a widely available and compatible part for the 1989-1994 Hyundai Sonata (and other models like the Excel, Accent, and Elantra) with 30L emissions systems. Here are the key advantages:
1. **Direct OEM Replacement** This is the exact part Hyundai originally installed in your vehicle, ensuring a perfect fit in terms of size, mounting, and electrical connections. No modifications are typically required.
2. **Reliability** Hyundai throttle bodies from this era are known for durability when properly maintained. The 30L emissions system (used in 1989-1994 models) is a straightforward design with fewer electronic complexities than later models.
3. **Cost-Effective** Compared to aftermarket throttle bodies, this OEM part is often priced reasonably, especially when purchased from reputable dealers or online marketplaces. It avoids the potential pitfalls of inferior aftermarket clones.
4. **Ease of Installation** The design is simple, with a few bolts and connectors to remove. Most mechanics or experienced DIYers can install it in under an hour, especially if the vehicle has already been worked on (e.g., intake manifold removed).
5. **Compatibility with Common Issues** Many 1989-1994 Sonatas suffer from throttle body carbon buildup, sticky linkages, or electrical failures. Replacing the entire unit (rather than just cleaning it) can resolve these problems more effectively than a partial repair.
6. **Support for Emissions Compliance** Since this part is designed for the 30L emissions system, it meets the original vehicle s regulatory requirements, avoiding potential issues with state emissions inspections or smog checks.
7. **Availability of Replacement Parts** If the throttle body fails again in the future, spares are still relatively easy to find, though prices may vary based on demand and condition.
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#### **Cons:** While this part has many benefits, there are some drawbacks to consider:1. **Age and Wear** Parts from this era (late '80s to early '90s) may show signs of wear, such as cracked rubber gaskets, corroded electrical contacts, or internal carbon buildup. Used units may require cleaning or testing before installation.
2. **Potential for Counterfeit or Damaged Units** Purchasing from untrusted sellers (e.g., eBay without feedback, random online marketplaces, or salvage yards with no inspection) risks receiving a damaged, non-functional, or counterfeit part. Always verify the seller s reputation and inspect the part upon arrival.
3. **Electrical Issues** The throttle body in these models often has a potentiometer (throttle position sensor) that can fail over time. If the unit you purchase has a bad sensor, you may need to replace it separately, adding to the cost.
4. **Carbon Buildup on New Units** Even new throttle bodies can develop carbon deposits if the engine has a rich fuel mixture or poor ventilation. Some owners report that the new part fails quickly if the intake system (e.g., air filter, PCV valve) is neglected.
5. **Limited Aftermarket Support** Unlike newer Hyundai models, there are fewer aftermarket throttle bodies or upgrades available for this era. If you re looking for performance modifications (e.g., larger throttle bodies for better airflow), your options are limited.
6. **Potential for Misalignment** If the throttle body is not properly seated or the gaskets are damaged, it can lead to vacuum leaks, rough idling, or check engine lights (P0171/P0174 for lean conditions). Ensuring a tight seal is critical.
7. **Learning Curve for DIYers** While the installation is straightforward, some users may struggle with disconnecting the throttle cable (if equipped) or routing wiring harnesses correctly. A second set of hands or a guide can help.
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### **Conclusion:**The Hyundai 337-59071 throttle body is a **solid OEM replacement** for the 1989-1994 Sonata with 30L emissions, offering reliability, ease of installation, and compatibility with common issues. It is a **cost-effective solution** for resolving throttle-related problems like rough idling, stalling, or check engine codes (e.g., P0120, P0121, P0122). However, **buyers must exercise caution** when purchasing to avoid counterfeit or damaged units, and they should inspect the part for wear or electrical issues before installation.
For **best results**, prioritize purchasing from a **reputable seller** (e.g., RockAuto, eBay with verified feedback, or a trusted local parts store). If possible, test the throttle body for proper resistance and smooth operation before installing it. Additionally, **clean the surrounding intake components** (throttle body, intake manifold, PCV system) to prevent future carbon buildup.
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### **Recommendation:**1. **Buy from a Trusted Source** Opt for a seller with positive reviews and a return policy. RockAuto, eBay (with seller ratings), or local Hyundai specialty shops are good choices. Avoid "too good to be true" deals that may indicate a counterfeit or damaged part.
2. **Inspect the Part Before Purchase** If possible, request photos or a video of the throttle body in good lighting. Look for:- No visible cracks in the plastic housing.
- Intact rubber gaskets (or replace them if damaged).
- Clean electrical connectors (no corrosion).
- Smooth throttle plate movement (no excessive play or sticking).
3. **Test the Throttle Body** If you can, use a multimeter to check the potentiometer resistance (should be around **500-1000 ohms at idle** and increase smoothly as the throttle opens). A bad sensor will require replacement.
4. **Prepare for Installation**
- Have a new **throttle body gasket** (part #337-59072 or equivalent) on hand.
- Clean the **intake manifold** and **throttle body area** thoroughly to remove carbon buildup.
- Ensure the **throttle cable** (if equipped) is properly adjusted or replaced if worn.
5. **Consider a Cleaning Alternative** If the throttle body is **not severely damaged** and the issue is minor (e.g., slight carbon buildup), cleaning it with **throttle body cleaner** (like CRC or Gunk) and a **throttle body brush** may be a cheaper fix. However, if the potentiometer is bad or the unit is sticky, replacement is the better long-term solution.
6. **Monitor After Installation** After replacing the throttle body, **drive the vehicle** and monitor for:- Smooth idle (no stalling or hesitation).
- No check engine lights (clear codes if present).
- Proper throttle response (no sudden jerks or lag).
If the symptoms persist, the issue may be elsewhere (e.g., vacuum leaks, faulty MAF sensor, or wiring problems).
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### **Final Verdict:** **Buy the Hyundai 337-59071 throttle body if:**- You need a **direct OEM replacement** for a failing unit.
- You re confident in the **seller s reputation** and the part s condition.
- You re prepared to **inspect and test** it before installation.
- You re willing to **address related issues** (e.g., cleaning intake components, checking wiring).
**Avoid it if:**- You suspect the part is **counterfeit or damaged** (risk of poor performance).
- You re unsure about **installation** and lack mechanical experience.
- You re looking for **performance upgrades** (this part is not designed for that).
For most **1989-1994 Hyundai Sonata owners**, this throttle body is a **practical and reliable choice** when sourced correctly. With proper care, it should resolve throttle-related issues and extend the life of your engine.
Residential Limited Access fees range from $50-$100. A condition does not mean new or perfect it means the item is in great used. Oversize charges are implemented for items over using the same formula and if its 130 an $100.00 charge is applied. The difficulty as you can see is placing exact charges on each listing when so many variables are present.
A telephone number is required. They are not reflective of the actual part or condition being sold. Most carriers do not allow hand unloading. Lift gate Fees range from $50-$100.
This system was designed as a benchmark with certain understandings. Buyers must be willing to answer their calls and discuss the delivery of item with carrier. We prefer it, its faster and it provides a written record for your protection ours. As well charges are based on dimensional weight, not actual weight.
Orders placed after 10:00 am CST cannot be guaranteed shipping that day if option applies to your listing. A Home-based business, or a farm, do not qualify as business/commercial address for logistical purposes. Any metal components may have surface rust as this item is used and will appear such. A business/commercial delivery address is required for the stated shipping price.
Common used part visual blemishes most likely present. Visual flaws still may be present as the item is used. That is not the way this system was designed. Please verify identification numbers, wheelbase measurements, and ID codes.
Specific item information and warranty is posted on the listing. If an RMA# is not provided there may be a delay in processing the return. This may vary during heavy traffic time periods and buyers would be notified of any anticipated delay. Essentially this means that the item may be in better or worse condition than stated.
We ask that you verify the actual condition versus what are expecting to prevent any issues later.