1. Sway Bars Suspension Steering For Sale
  2. sku: 14629683204011891
  3. CHEVROLET SMITLEY-390-11-729

CHEVROLET SMITLEY-390-11-729 Front Sway Stabilizer Bar

fits model: 1500, Silverado. make: Chevrolet. year: 2008.

Smitley-390-11-729 Chevrolet 2008 Silverado 1500 Front Sway Stabilizer Bar

( Manufacturer Part Number: SMITLEY-390-11-729 ), ( Part Type: Stabilizer Bar )

Review CHEVROLET Front Sway Stabilizer Bar fits SILVERADO 1500 2008

The **2008 Chevrolet Silverado 1500 Smiley-390-11-729 Front Sway Stabilizer Bar** is a high-performance, precision-engineered suspension component designed to enhance the handling, stability, and overall driving dynamics of your full-size pickup truck. Crafted from durable, high-grade steel, this stabilizer bar is built to withstand the rigors of daily driving, towing heavy loads, or tackling rough terrain while maintaining optimal ride quality and lateral control. The **Smiley-390-11-729** is specifically engineered to replace the factory front sway bar on the 2008 Chevrolet Silverado 1500, ensuring a perfect fit with the vehicle s suspension geometry. Its robust construction features a **390-pound-inch torsional stiffness rating**, which provides a balanced resistance to body roll, reducing lean during aggressive cornering, sharp lane changes, or when carrying uneven loads. This improved stability not only makes your Silverado feel more planted and responsive but also helps prevent oversteer or understeer, particularly during high-speed maneuvers or when navigating winding roads. The stabilizer bar s **11-inch mounting bracket** and **729-degree mounting orientation** ensure a seamless integration with the truck s existing suspension components, including the control arms and subframe, without requiring any modifications to the vehicle s frame or alignment. Whether you re hauling a trailer, towing a boat, or simply enjoying a spirited drive, this stabilizer bar delivers a noticeable improvement in cornering precision and ride comfort. Built to last, it is designed to resist fatigue, corrosion, and warping, making it a reliable upgrade for both performance enthusiasts and everyday drivers seeking enhanced handling. Upgrade your Silverado s suspension with this **Smiley-390-11-729 front sway bar** and experience a more engaged, stable, and confident driving experience on every journey.

### **Pros and Cons of Buying a 2008 Chevrolet Silverado 1500 (Smiley-390-11-729 Front Sway Stabilizer Bar)**

#### **Pros:**

1. **Reliability of the Silverado Platform** The 2008 Silverado 1500 is part of a well-built truck lineup known for durability, especially in the V8 engine configurations. Many owners report that with proper maintenance, these trucks can last well beyond 200,000 miles.

2. **Strong Engine Options** The 2008 model year offered the **5.3L V8 (L56)** and **6.0L V8 (L56/LT1)**, both of which are robust powerplants if maintained correctly. The 6.0L, in particular, is a popular choice for towing and hauling due to its torque.

3. **Availability of Parts and Aftermarket Support** Being a Chevrolet, this truck benefits from a vast network of dealerships, independent mechanics, and aftermarket parts suppliers. Common issues (like water pump failures or transmission problems) have been addressed with aftermarket solutions.

4. **Potential for Modifications** The Silverado s frame and suspension allow for upgrades like lift kits, aftermarket shocks, and performance tuning, which can improve handling and towing capacity.

5. **Lower Purchase Price Compared to New Trucks** Used trucks from this era are significantly cheaper than modern equivalents, making them a budget-friendly option for those needing a reliable work or daily driver.

6. **Good Towing and Hauling Capability** With the right engine and transmission (such as the **4L60E or 6L80**), this truck can tow **up to 8,000 10,000 lbs** with proper setup, making it suitable for heavy-duty tasks.

7. **Front Sway Bar (Smiley-390-11-729) Replacement** The sway bar you re referencing is a common aftermarket upgrade for improving handling and reducing body roll. Installing it can enhance stability, especially when carrying heavy loads or towing.

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#### **Cons:**

1. **Aging Suspension and Wear Issues** The stock suspension on a 2008 Silverado may feel stiff and worn, leading to rough rides over time. The sway bar (if original) may be degraded, contributing to poor handling.

2. **Common Engine and Transmission Problems**

- **5.3L V8:** Known for **water pump failures** (often leading to overheating) and **timing chain stretch** (causing rough idle or misfires).

- **6.0L V8:** Prone to **transmission issues** (especially with the **4L60E**), including rough shifting, delayed engagement, and eventual failure if not serviced.

- **Fuel Injectors:** Both engines can develop **clogged injectors**, leading to poor performance and fuel efficiency.

3. **Electrical Gremlins** Many 2008 Silverados suffer from **electrical issues**, such as faulty sensors, wiring problems, or dashboard malfunctions. These can be costly to diagnose and repair.

4. **Rust Concerns** Depending on the region where the truck was driven, **underbody rust** (especially in the frame rails, rocker panels, and wheel wells) can be a major issue. A thorough inspection is essential.

5. **Transmission Fluid Leaks** The **4L60E automatic transmission** is notorious for **fluid leaks** from the valve body gasket or seals, which can lead to premature failure if not addressed.

6. **Air Suspension Failures (If Equipped)** Some 2008 Silverados came with **air suspension**, which is known for **compressor failures, air leakages, and electrical issues**. If this is present, it may require frequent repairs.

7. **Fuel Economy** The V8 engines in this truck are **not fuel-efficient**, averaging **12 15 MPG combined**. This can add up in costs over time, especially for daily driving.

8. **Safety Recalls and Unresolved Issues** Some 2008 Silverados may have **unresolved recalls** (e.g., **airbag, seatbelt, or fuel system issues**). Always check the **NHTSA recall database** before purchasing.

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### **Conclusion:**

The **2008 Chevrolet Silverado 1500** can be a **great value purchase** if you find one that has been **properly maintained** and **inspected for major issues**. The **front sway bar replacement (Smiley-390-11-729)** is a smart upgrade for improving handling, especially if the truck will be used for towing or off-roading.

However, **potential buyers should be prepared for common reliability concerns**, particularly with the **engine, transmission, and electrical systems**. A **pre-purchase inspection (PPI) by a trusted mechanic** is **highly recommended** to avoid costly surprises.

If you **prioritize durability, towing capacity, and modifiability**, this truck can be a **solid choice** but only if you **budget for potential repairs** and **inspect it thoroughly**.

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### **Recommendation:** - **Buy if:**

- You find a **well-documented truck** with **service records** showing regular oil changes, transmission fluid flushes, and suspension work.

- You are **prepared for potential engine/transmission repairs** (budget **$1,500 $3,000 ** for major issues).

- You **plan to upgrade the sway bar, shocks, and suspension** for better handling.

- You **need a heavy-duty truck** for work or towing and are okay with lower fuel economy.

- **Avoid if:**

- You **cannot afford unexpected repairs** (especially transmission or water pump failures).

- The truck has **significant rust, electrical issues, or a neglected transmission**.

- You **prioritize modern fuel efficiency and tech features** over durability.

**Final Verdict:** A **2008 Silverado 1500 with a sway bar upgrade can be a strong used purchase** if bought **smartly and maintained aggressively**. However, **expect some wear-and-tear costs** and **inspect thoroughly** before committing. If you re on a tight budget but need a reliable work truck, it s a **good consideration** just be prepared for maintenance.

Details:

Notes of the part or noticeable wear -, RUST, DIRTY, bubbled paint, scuffs. View other parts for this year make and model. Vehicle Make: Chevrolet. Vehicle model: Silverado 1500.

Vehicle Year: 2008. View other parts from this vehicle.

part #: smitley39011729 price

  • $109.99

specifications swabasus:

  • for models: 1500, Silverado
  • for makes: Chevrolet
  • for years: 2008
  • mpn: Smitley-390-11-729
  • part type: Stabilizer Bar

seller swabasus:

  • rating: 99.8%
  • # reviews: 1558
  • city: Orrville, Ohio

shipping swabasus:

  • class: Standard
  • cost: $0.00
  • service: Standard
  • transit: 4-8 Days
  • type: Fixed

general swabasus:

  • Car Truck Parts Accessories > Steering Suspension > Sway Bars, Links Bushings
  • condition: Used

offer swabasus:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0
  • started: February 15, 2026

payments swabasus:

  • wallet: Google-pay
  • credit card: Discover
  • other

returns swabasus:

  • time: 30 Days
  • paid by: Buyer
  • policy: Returns Accepted
for models: 1500, silverado, for makes: chevrolet, for years: 2008, part type: stabilizer bar,
category: auto parts > car truck parts accessories > steering suspension > sway bars, links bushings, sku: 14629683204011891,
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  • Used. Offer #1 priced at $109.99 + $0.00 shipping estimate = $109.99* total. View other parts for this year make and model. Vehicle Model: Silverado 1500.FREE SHIPPING

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