DORMAN 977-905 Fuel Injection Throttle Body

( Brand: Dorman ), ( Manufacturer Part Number: 977-905 ), ( Manufacturer Warranty: 1 Year ), ( Type: Fuel Injection Throttle Body )

Review DORMAN Oe Solutions 977905 Fuel Injection Throttle Body

The **Dorman 977-905 (977905) Fuel Injection Throttle Body** is a high-quality, direct-replacement component designed to restore optimal performance and efficiency to engines equipped with a **Chrysler 2.5L Multi-Port Fuel Injection (MPFI) system**, commonly found in vehicles such as the **Chrysler Sebring, Dodge Stratus, Plymouth Breeze, and other late-model Chrysler and Mitsubishi models** from the late 1990s and early 2000s. Engineered to meet or exceed OEM specifications, this throttle body is crafted from durable materials, ensuring long-lasting reliability while maintaining precise throttle response and fuel delivery. The unit features a **metal throttle plate** for smooth, consistent operation, reducing hesitation and improving throttle control critical for both daily driving and performance applications. Its **integrated fuel rail and injectors** (when applicable) streamline installation, eliminating the need for additional wiring or plumbing adjustments, and its **sealed gasket surfaces** prevent leaks, ensuring a secure fit within the engine bay. Whether replacing a worn-out OEM part or upgrading an older vehicle to modern standards, the Dorman 977-905 delivers a seamless, plug-and-play solution that enhances throttle response, fuel economy, and overall drivability. Built to withstand the demands of daily use, this throttle body is an excellent choice for mechanics and DIY enthusiasts seeking a dependable, cost-effective alternative to aftermarket or OEM replacements.

**Pros and Cons of buying a Dorman 977-905 (977905) Fuel Injection Throttle Body**

The Dorman 977-905 throttle body is a popular aftermarket replacement part designed for certain General Motors engines, particularly those from the 1980s and 1990s (such as the 3.1L, 3.4L, and 3.8L V6 engines). Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **High Quality and Durability**

Dorman is a well-known brand under the Carter brand, which has a long-standing reputation for manufacturing reliable automotive parts. The throttle body is built to withstand typical driving conditions and is often more robust than OEM (Original Equipment Manufacturer) parts, which may wear out faster.

2. **Direct Replacement Fit**

The 977-905 is designed as a direct-fit replacement, meaning it should install easily without requiring modifications to the vehicle s intake or wiring harness. This makes it a convenient choice for DIYers and mechanics alike.

3. **Improved Performance and Reliability**

Many users report that the Dorman throttle body performs better than the original, with fewer issues related to sticking, carbon buildup, or electrical failures. It often includes updated gaskets and seals that prevent leaks, improving engine efficiency.

4. **Cost-Effective Alternative to OEM**

While not always the cheapest option, the Dorman throttle body is typically more affordable than purchasing an OEM part, which can be difficult to source and may come at a premium price.

5. **Compatibility with Upgrades**

If you re performing other modifications (such as installing a cold air intake or performance air filter), the Dorman throttle body is often a good choice because it is designed to work well with aftermarket intake systems.

6. **Warranty Coverage**

Dorman parts usually come with a warranty (often 12 months or more), providing some peace of mind in case of defects or premature failure.

7. **Ease of Installation**

The part is straightforward to install, especially for those with basic mechanical experience. Most users report that it takes less than an hour to replace, depending on the vehicle s complexity.

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### **Cons**

1. **Potential for Incompatibility with Some Modifications**

While the Dorman throttle body is a direct fit for many applications, it may not be fully compatible with highly modified engines or those with extensive aftermarket tuning. For example, if you have a heavily tuned engine with a different throttle body size or electrical interface, you may need an alternative.

2. **Quality Variations**

Like all aftermarket parts, the quality can vary slightly depending on the batch or where it was purchased. While Dorman is generally reliable, there have been occasional reports of minor defects (e.g., loose screws, slightly misaligned components) in some units.

3. **Limited Availability of Specific Versions**

The 977-905 is a generic part designed for multiple engine applications. If your vehicle has a very specific throttle body configuration (e.g., unique wiring harness connectors or mounting points), you may need to verify compatibility carefully before purchasing.

4. **Price Can Be Higher Than Budget Parts**

While Dorman is affordable compared to OEM, it may still be more expensive than no-name or generic throttle bodies. If you re on a tight budget, you might consider other brands, though you should weigh the trade-off in quality.

5. **Requires Cleaning or Replacement of Related Components**

If your vehicle has a dirty throttle body or carbon buildup, simply replacing it may not fully resolve performance issues. You may need to clean the throttle body plate (if applicable) or replace other intake components (such as the mass airflow sensor or intake manifold) for optimal results.

6. **Electrical Compatibility Concerns**

Some older vehicles may have wiring or sensor compatibility issues if the throttle body s electrical interface differs slightly from the original. This is rare with Dorman but worth checking in your specific case.

7. **Not Always the Latest Design**

Since Dorman parts are designed to replace older OEM components, they may not incorporate the latest advancements in throttle body technology (e.g., digital throttle control or advanced fuel injection integration). For modern vehicles, this is less of an issue, but for older cars, it s worth noting.

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### **Conclusion**

The Dorman 977-905 throttle body is a solid choice for replacing a failing or worn-out throttle body in compatible General Motors engines. It offers a good balance of quality, durability, and ease of installation, making it suitable for both DIY enthusiasts and professional mechanics. The part is widely trusted and backed by a warranty, which adds to its appeal.

However, it is not a perfect solution for every situation. If your vehicle has been heavily modified, requires very specific compatibility, or you re working with a particularly stubborn throttle body issue, you may need to research alternatives or consult a professional. Additionally, if you re on a tight budget, you might explore other brands, though you should be prepared for potential trade-offs in reliability.

For most standard applications especially in older GM V6 engines the Dorman 977-905 is a reliable and practical replacement that will improve throttle response, reduce carbon buildup, and prevent electrical issues associated with aging throttle bodies.

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### **Recommendation**

- You re replacing a failing throttle body in a compatible GM V6 engine (e.g., 3.1L, 3.4L, or 3.8L).

- You want a high-quality, direct-fit replacement that is easier to install than an OEM part.

- You re performing other intake or engine modifications and need a reliable throttle body.

- You value Dorman s reputation for durability and warranty coverage.

- Your vehicle has been heavily modified, and you need a throttle body with specific performance characteristics.

- You re working with a very old or rare vehicle where compatibility might be uncertain.

- You re on a strict budget and are willing to take on slightly higher risk by choosing a no-name brand.

**Final Verdict:** For the average DIYer or mechanic working on a standard application, the Dorman 977-905 is an excellent choice. It strikes a good balance between cost, quality, and ease of use, and it will likely outlast the original part while improving engine performance. Always verify compatibility with your specific engine and vehicle before purchasing.

Details:

This part fits veg ices made in the following years 2011 ,2012,2013,2014,2015. Crazy Fast Shipping. Parts Hawk Millions of Parts.

part #: 977905 prices

• $187.85-$287.99

specifications carfuelinjector:

• brand: Dorman
• mpn: 977-905
• manufacturer warranty: 1 Year
• type: Fuel Injection Throttle Body

shipping carfuelinjector:

• class: Standard
• cost: $0.00
• transit: 3-6 Days
• service: Standard
• type: Fixed

returns carfuelinjector:

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

offer carfuelinjector:

• sold: 0
• quantity: 5
• options: Ship-to-home
• availability: In Stock
• started: March 6, 2026

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: New

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seller carfuelinjector:

• city: Miami, Florida
• rating: 99.5%
• # reviews: 150713

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