CHEVROLET 454281500 Throttle Body 337-05422 163K

( Part Type: Throttle ), ( Oe/oem Part Number: 5488 88984263 ), ( Ipn: 337-05422 ), ( Manufacturer Warranty: 6 Month ), ( Warranty Length: 6 Month Warranty ), ( Partout Id: A-123214278 )

Review CHEVROLET Throttle Body Assembly Oem 163k Miles fits SILVERADO 2500 2002

The **Chevrolet 337-05422 Throttle Body Assembly (Part Number 454281500)** for the **2002 Chevrolet Silverado 2500 HD** is a precision-engineered component designed to regulate airflow into the engine s intake system, ensuring optimal performance, fuel efficiency, and emissions compliance. This throttle body is specifically tailored for the **L56 Vortec 6.0L V8** engine, which powers the Silverado s heavy-duty lineup, delivering robust torque and reliability for towing, hauling, and off-road applications. Crafted from high-quality materials, including durable plastic and corrosion-resistant metal components, this throttle body is built to withstand the demands of demanding driving conditions while maintaining smooth throttle response and minimal wear over time.

The **337-05422 assembly** features a **drive-by-wire (DBW) system**, a modern advancement that replaces traditional mechanical throttle linkages with electronic sensors and actuators, allowing for precise control over engine power delivery. This system enhances drivability by providing instant throttle response, adjustable idle speeds, and seamless integration with the vehicle s onboard computer, ensuring compliance with emissions standards. The throttle body is equipped with a **throttle position sensor (TPS)**, which monitors throttle blade position and relays critical data to the engine control module (ECM) to optimize fuel injection and ignition timing. Additionally, the unit includes a **throttle actuator motor**, which adjusts the throttle plate electronically, further refining performance and reducing mechanical friction.

For maintenance and longevity, the **454281500 throttle body** is designed for easy access and servicing, allowing for straightforward cleaning or replacement of internal components such as the throttle blade, sensors, and seals. It is compatible with **OEM wiring harness connectors** and includes all necessary mounting hardware, ensuring a seamless installation process. Whether replacing a worn-out unit, upgrading after a repair, or addressing performance issues, this throttle body assembly is a direct-fit replacement that restores factory specifications and reliability to the Silverado s powertrain. Ideal for professional mechanics and DIY enthusiasts alike, it represents a critical component for maintaining the integrity and efficiency of the **2002 Silverado 2500 HD s** powerful V8 engine.

### **Pros and Cons of Buying a 2002 Chevrolet Silverado 2500 HD (VIN: 337-05422, Throttle Body: 454281500)**

#### **Pros**

1. **Reliability of the Platform** The 2002 Silverado 2500 HD is based on a well-built truck platform that has proven durable over the years, especially with proper maintenance. The frame and suspension are robust, making it suitable for heavy-duty work.

2. **Powerful Engine Options** The 2002 Silverado 2500 HD was available with the **6.0L V8 (L56)** or **7.4L V8 (L19)** diesel, both of which are known for their strength and longevity when maintained correctly. The **6.0L turbo diesel** (if equipped) is particularly capable for towing and hauling.

3. **High Towing & Hauling Capacity** With the right engine and transmission (likely a **4L60-E or 4L80-E automatic**), this truck can tow **up to 12,000 lbs** when properly equipped, making it ideal for commercial or heavy-duty use.

4. **Durable Transmission** The **4-speed automatic transmissions** (4L60-E or 4L80-E) in this era were robust and could handle heavy loads if serviced regularly. The **4L80-E** was particularly strong for towing.

5. **Available Off-Road & Work Capabilities** Some trims included **4WD, heavy-duty suspension, and optional packages** like the **Custom or High Country trim**, which added off-road or utility features.

6. **Parts Availability** As a mid-2000s Chevrolet, parts are still widely available, though some specialized components (like aftermarket performance parts) may be harder to find than on newer trucks.

7. **Potential for Modifications** The **throttle body (454281500)** suggests this may have been a performance-oriented build or one that has seen some modifications. If you're looking for a project truck, this could be a good starting point for upgrades.

8. **Lower Purchase Price** Compared to newer trucks, a 2002 Silverado 2500 HD will be significantly cheaper, making it a budget-friendly option for those needing a heavy-duty vehicle.

---

#### **Cons**

1. **Aging Transmission & Drivetrain** The **4L60-E and 4L80-E transmissions** are known for wear over time, especially if the fluid hasn t been changed regularly. **Valve body failures, torque converter issues, and band wear** are common in older automatics. A **transmission rebuild or replacement** could be costly.

2. **Fuel System & Emissions Issues** The **6.0L turbo diesel** (if equipped) may suffer from **fuel injector failures, turbocharger wear, or EGR/DPF issues** (though DPFs weren t standard until later models). The **throttle body (454281500)** could indicate past modifications, which may have led to **carbon buildup, sensor failures, or vacuum leaks**.

3. **Electrical & Computer Problems** The **PCM (Powertrain Control Module)** and **sensor failures** (like MAF, O2 sensors, or crankshaft position sensors) are common in older Chevy trucks. **Check for check engine lights (CELs)** and have a scan tool diagnose any codes.

4. **Suspension & Steering Wear** The **shock absorbers, bushings, and steering components** may be worn, leading to **rough handling, excessive play, or alignment issues**. A **suspension inspection** is crucial before purchase.

5. **Rust & Frame Damage** Many older trucks suffer from **frame rust**, especially in snowy or salted climates. A **thorough frame inspection** is necessary to avoid buying a truck with structural integrity issues.

6. **High Mileage Concerns** If the truck has **high mileage (over 200,000 miles)**, expect **more frequent maintenance, potential engine wear, and higher long-term costs**. The **6.0L diesel** is more forgiving than the **7.4L gas V8**, but both engines can develop **ring wear or valve issues** over time.

7. **Resale Value & Financing Challenges** Older trucks depreciate quickly, and financing may be difficult unless you have good credit. **Insurance costs** may also be higher due to age and potential reliability concerns.

- **Unintended performance issues** (e.g., excessive heat, fueling problems).

- **Voided warranties** if the truck was previously modified.

- **Compatibility problems** with stock components.

9. **Driver Comfort & Modern Safety Lacks** The **2002 Silverado lacks modern safety features** like **stability control, side airbags, or advanced driver aids**. The **cabin noise, poor insulation, and stiff ride** may not be as comfortable as newer trucks.

10. **Fuel Economy Concerns** The **6.0L diesel** gets decent MPG ( 12-15 city / 15-18 highway), but the **7.4L gas V8** is **very poor ( 8-10 MPG)**, making it expensive to operate for daily driving.

---

### **Key Considerations Before Purchase**

- **Transmission & Drivetrain Health** Have a **mechanic inspect the transmission fluid, check for leaks, and test shift smoothness**. A **transmission fluid change** may be due.

- **Engine Condition** Listen for **knocking, exhaust smoke, or unusual noises**. Check **oil consumption, compression, and valve train wear**.

- **Fuel & Air System** The **throttle body (454281500)** may need **cleaning or replacement**. Check for **fuel injector issues, turbo wear (if diesel), and vacuum leaks**.

- **Suspension & Steering** Look for **excessive play in the steering, worn shocks, or misaligned wheels**.

- **Electrical System** Test **all lights, sensors, and electrical components**. A **scan tool should be used to clear any CELs**.

- **Frame & Rust** Inspect the **frame rails, subframe, and undercarriage** for rust or structural damage.

- **Maintenance Records** If possible, **request service records** to verify **oil changes, transmission fluid changes, and major repairs**.

---

### **Final Recommendation**

You **need a heavy-duty truck for commercial, towing, or off-road use** and are willing to **invest in maintenance**.

You **find a well-documented truck with low miles (under 150,000) and a clean service history**, especially regarding **transmission and engine care**.

You **plan to modify it** (e.g., performance upgrades, off-road builds) and are prepared for **potential compatibility issues** with aftermarket parts.

You **can afford the upfront costs** of a **transmission rebuild, suspension refresh, and potential engine work** if needed.

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

The truck has **high mileage (over 200,000) with no maintenance records**.

The **transmission or engine shows signs of major wear** (leaks, rough shifting, excessive smoke).

You **cannot afford the long-term maintenance costs** (transmission, fuel system, electrical issues).

The **throttle body modifications** suggest **unreliable or poorly executed changes** that could lead to further problems.

---

### **Best Approach**

1. **Get a pre-purchase inspection (PPI) from a trusted mechanic** This is **non-negotiable** for an older heavy-duty truck.

2. **Budget for immediate repairs** Expect to spend **$1,500 $3,000 ** on **transmission fluid change, suspension work, and minor engine/fuel system fixes**.

3. **Consider a used diesel specialist** If the truck has a **6.0L turbo diesel**, a **diesel mechanic** may provide better insights.

4. **Test drive thoroughly** Check for **transmission slippage, unusual noises, and handling issues**.

5. **Negotiate price based on needed repairs** Use the PPI report to **lower the asking price** if major work is required.

- If you need **reliability and modern features**, consider a **used 2010 Ford F-250/F-350 or Ram 2500/3500** with a **powerstroke or Cummins diesel**.

- If you

Details:

ATTENTION: Stock photo shows multiple items. No photos of the actual Throttle Body are available.

part #: 454281500 prices

• $65.00-$98.58

specifications throobo:

• for models: 2500, Silverado
• for makes: Chevrolet
• for years: 2002
• part type: Throttle
• oe/oem part number: 5488 88984263
• ipn: 337-05422
• manufacturer warranty: 6 Month
• warranty length: 6 Month Warranty
• partout id: A-123214278

offer throobo:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• started: April 16, 2026

general throobo:

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

shipping throobo:

• transit: 5-10 Days
• carrier: UPS
• type: Fixed
• class: Standard
• cost: $0.00
• service: UPS Ground

payments throobo:

• wallet: Paypal
• credit card: Discover
• other

returns throobo:

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

seller throobo:

• # reviews: 503601
• rating: 98.5%
• city: Buffalo, New York

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