fits year: 2007–2014.

( Brand: Gm ), ( Manufacturer Part Number: 11588486 ), ( Part Type: Bumper Bar Bolt ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Year: 2007 2008 2009 2010 2011 2012 2013 2014 ), ( Parts Included: Only Part Reference 12 On The Diagram Is Included ), ( Replaces Part Number: 11519771, 15995771 )
The **GM 11588486 Bumper Bar Bolt** is a precision-engineered fastener specifically designed for heavy-duty automotive applications, particularly within General Motors (GM) vehicles featuring integrated front or rear bumper systems. This high-strength bolt is crafted from a robust alloy steel, ensuring exceptional durability and resistance to corrosion, vibration, and extreme environmental conditions making it ideal for both original equipment manufacturer (OEM) installations and aftermarket modifications. The bolt features a **hex head** with a smooth, matte finish to prevent snagging on protective coatings or trim, while its **fine-threaded shank** ensures a secure, leak-proof connection when properly torqued to the manufacturer s specifications. Measuring approximately **1/2-inch in diameter** with a standard **13/16-inch shank length**, this bolt is engineered to accommodate the structural demands of modern bumper assemblies, which often incorporate reinforced plastic, steel, or aluminum components. Its **zinc-plated or black oxide coating** provides an additional layer of protection against rust and abrasion, extending the component s lifespan under harsh operating conditions. Whether used in collision repairs, vehicle restorations, or performance upgrades, this bolt guarantees a reliable, long-lasting fit that meets GM s stringent quality standards, ensuring both safety and structural integrity for the vehicle s bumper system.
### Pros and Cons of Buying GM 11588486 Bumper Bar Bolt
#### **Pros:**1. **OEM Quality and Fit** This part is an original equipment manufacturer (OEM) bolt, meaning it is designed to match the exact specifications of the vehicle s bumper bar system. This ensures a proper fit, reducing the risk of misalignment or improper installation.
2. **Durability and Strength** GM parts are engineered to withstand the stresses of road conditions, including vibrations, impacts, and temperature fluctuations. The bolt is likely made from high-quality steel or alloy, providing long-term reliability.
3. **Compatibility** Since it is a genuine GM part, it is guaranteed to be compatible with the intended application (likely for GM vehicles like the Chevrolet Silverado, GMC Sierra, or other models with similar bumper bar setups). This eliminates concerns about cross-brand fitment issues.
4. **Warranty Coverage** Purchasing from an authorized GM dealer or a reputable aftermarket supplier may include warranty protection, offering peace of mind in case of defects or premature failure.
5. **Prevents Rust and Corrosion** A properly installed bumper bar bolt helps secure the bumper bar in place, reducing movement that could lead to rust or damage over time. This is particularly important in regions with harsh weather or road salt exposure.
6. **Safety Compliance** The bolt ensures that the bumper bar remains securely attached, which is critical for crash safety and compliance with vehicle regulations.
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#### **Cons:**1. **Cost** OEM parts are typically more expensive than aftermarket alternatives. The price may be higher than generic or third-party bolts, which could be a drawback for budget-conscious buyers.
2. **Limited Availability** Depending on the supplier, finding this specific part (especially if it s older or discontinued) may require ordering from a dealer or an online parts marketplace, which could involve shipping delays.
3. **Potential Overkill for Minor Repairs** If the bumper bar bolt is only loose or slightly damaged, some may argue that replacing just the bolt (rather than the entire assembly) is unnecessary. However, this is generally not recommended for safety reasons.
4. **Installation Complexity** While the bolt itself is straightforward, improper installation (e.g., overtightening, incorrect torque specifications) could damage the bumper bar or surrounding components. This may require professional installation, adding to the cost.
5. **Environmental Concerns** Like all metal parts, this bolt contributes to waste if disposed of improperly. However, this is a minor consideration compared to functional and safety benefits.
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### **Conclusion:**The GM 11588486 bumper bar bolt is a high-quality, reliable component that ensures proper fitment, durability, and safety for GM vehicles. While it may come at a higher cost than aftermarket alternatives, the trade-off in terms of compatibility, longevity, and peace of mind is often justified especially for safety-critical applications like bumper bar attachment.
For most buyers, especially those prioritizing safety and long-term performance, investing in an OEM part is the best choice. However, if budget is a major concern and the part is readily available from a trusted aftermarket supplier with similar specifications, a high-quality aftermarket bolt could be a cost-effective alternative *only if verified for compatibility*.
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### **Recommendation:** - **Buy the GM OEM bolt (11588486)** if:- You want the absolute best fit and reliability.
- You are replacing a failed or damaged bolt in a critical safety component.
- You have access to an authorized GM dealer or a reputable online parts retailer (e.g., RockAuto, PartsGeek, or a local GM service center).
- You are willing to pay a premium for peace of mind and warranty coverage.
- **Consider an aftermarket alternative** *only if*:- You have confirmed the bolt is a direct replacement (check part numbers and reviews).
- The aftermarket bolt is from a well-known brand (e.g., Carter, Dorman, or a manufacturer with a strong reputation for automotive hardware).
- You are on a tight budget and cannot afford the OEM part, but you prioritize quality over cost.
- **Avoid DIY installation risks** If you are not experienced with vehicle repairs, have a professional install the bolt to ensure proper torque and alignment. Over-tightening can strip threads or damage the bumper bar.
Ultimately, for safety and longevity, the GM OEM bolt is the recommended choice.
Sedan, with off road package-z71. Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging.
With platinum premium.