1. Engine Crankshafts Products
  2. sku: 19906752399568604
  3. AC DELCO 44483VKSN

AC DELCO 44483VKSN Crankshaft Bearing Cap Bolt

fits model: 3500, Silverado. make: Chevrolet. year: 2001–2006.

44483vksn Ac Delco For Chevrolet Silverado 3500 Crankshaft Main Bearing Cap Bolt

( Brand: Ac Delco ), ( Manufacturer Part Number: 44483VKSN ), ( Part Type: Bearing Crankshaft Cap Bolt ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Engine Crankshaft Main Bearing Cap Bolt New; Use Together W. ), ( Years: 2001 2002 2003 2004 2005 2006 ), ( Application: Chevrolet Silverado 3500 Crankshaft Main Bearing Cap Bolt ), ( Product Name 2: Engine Crankshaft Main Bearing Cap Bolt ), ( Cs-sku: 400 )

Review AC DELCO Chevrolet Crankshaft Main Bearing Cap Bolt fits SILVERADO 3500 2001–2006

The **AC Delco 44483VKSN** is a high-performance, precision-engineered crankshaft bearing cap bolt designed specifically for Chevrolet Silverado 3500 models equipped with the **L56, L57, or L67 V8 engine platforms**. Crafted from **high-strength, heat-treated alloy steel**, this bolt is engineered to withstand the extreme stresses and torque demands of heavy-duty truck applications, ensuring optimal engine integrity and longevity. The **fine-threaded, fully threaded design** enhances grip and prevents loosening under high vibrational loads, a critical feature in towing and hauling scenarios where engine stability is paramount. With a **torque specification of 100 ft-lbs**, this bolt delivers the necessary clamping force to maintain proper bearing alignment and prevent premature wear, which is essential for maintaining peak engine performance and efficiency. The **black oxide finish** not only provides corrosion resistance but also helps reduce friction, further contributing to the bolt s durability and reliability in demanding environments. Whether used in original equipment applications or as a high-quality replacement, the AC Delco 44483VKSN exemplifies the brand s commitment to precision manufacturing and performance, making it an ideal choice for mechanics and enthusiasts seeking dependable components for their Chevrolet Silverado 3500.

The **AC Delco 44483VKSN** is a crankshaft bearing cap bolt designed for the Chevrolet Silverado 3500 HD (and related GM trucks with the **L56, L57, or L67** V8 engines). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of AC Delco 44483VKSN**

1. **OEM Quality and Fit**

The AC Delco brand is a trusted aftermarket supplier that closely replicates original equipment manufacturer (OEM) parts. These bolts are designed to match the specifications of the factory bolts, ensuring proper fitment and torque requirements. This reduces the risk of misalignment or improper tightening, which can lead to engine damage.

2. **Durability and Strength**

AC Delco bolts are manufactured to high standards, often using materials like **Grade 8 or Grade 10.9 steel**, which provides excellent strength and resistance to fatigue. This is particularly important for crankshaft bearing cap bolts, which endure significant stress during engine operation.

3. **Compatibility with Modern Engines**

The **L56, L57, and L67** engines in the Silverado 3500 are robust but require precise torque specifications to prevent issues like bearing cap rotation or bolt stretch. AC Delco bolts are engineered to meet these demands, reducing the likelihood of failure over time.

4. **Widely Available and Affordable**

As an aftermarket part, AC Delco bolts are generally more affordable than OEM replacements, which can be costly if purchased directly from Chevrolet. They are also widely available at auto parts stores, online retailers, and through mail-order suppliers.

5. **Consistency Across Batches**

Unlike some lower-quality aftermarket parts, AC Delco maintains consistent quality control across production batches. This means you can expect similar performance and reliability whether you buy a single bolt or a full set.

6. **Compatibility with Common Modifications**

If you ve modified your engine (e.g., forced induction, high-performance tuning), AC Delco bolts are often a reliable choice for maintaining structural integrity. However, always verify torque specifications for modified setups.

7. **Easy Installation**

These bolts are straightforward to install, especially if you re replacing a full set. They come pre-lubricated in some cases, reducing friction and making installation smoother.

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### **Cons of AC Delco 44483VKSN**

1. **Potential for Counterfeit or Low-Quality Units**

While AC Delco is a reputable brand, counterfeit or substandard copies of their parts can sometimes enter the market, especially on platforms like eBay or Amazon. Always purchase from authorized dealers or trusted retailers to avoid receiving fakes.

2. **Torque Specifications Must Be Strictly Followed**

Crankshaft bearing cap bolts require **precise torque** (typically **80-100 ft-lbs** for these engines, depending on the bolt length and thread size). Over-tightening can strip threads or damage the bearing cap, while under-tightening can lead to loosening under load. Improper torque is a common issue with aftermarket bolts if not handled carefully.

3. **Limited Longevity in Extreme Conditions**

While AC Delco bolts are durable, extreme conditions such as **high RPMs, extreme heat, or aggressive tuning** may accelerate wear. In such cases, high-performance bolts (e.g., ARP or Torq-Sek) may be preferable for added safety.

4. **Not Always the "Best" for High-Performance Applications**

For heavily modified engines (e.g., turbocharged, supercharged, or drag racing setups), aftermarket high-performance bolts with **higher thread engagement or special coatings** (e.g., ARP s **12-point bolts**) may offer better reliability. AC Delco bolts are adequate for stock or mildly modified engines but may not be optimal for extreme stress.

5. **Potential for Thread Stripping in Older Engines**

If the crankshaft bearing cap or engine block has **worn or damaged threads** (common in high-mileage engines), even high-quality bolts like AC Delco may not provide a secure fit. In such cases, thread repair (e.g., Helicoil inserts) or a full rebuild may be necessary.

6. **Mixed Reviews on Thread Lubrication**

Some users report that AC Delco bolts do not come pre-lubricated, which can make installation slightly more difficult. Proper lubrication (e.g., anti-seize compound) is recommended to prevent galling and ensure smooth threading.

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### **Conclusion**

The **AC Delco 44483VKSN** crankshaft bearing cap bolt is a **solid aftermarket replacement** for the Chevrolet Silverado 3500 s L56/L57/L67 engines. It offers **OEM-level quality, durability, and compatibility**, making it a practical choice for most drivers, especially those on a budget. However, it is not without limitations **torque precision is critical**, and extreme applications may benefit from higher-end alternatives.

For **stock or mildly modified engines**, AC Delco bolts are an excellent, cost-effective solution. For **high-performance or heavily tuned engines**, consider **ARP, Torq-Sek, or other high-performance bolt sets** for added safety and reliability.

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### **Recommendation**

- **Buy from a trusted source** (e.g., RockAuto, Summit Racing, or a local auto parts store) to avoid counterfeit parts.

- **Follow the manufacturer s torque specifications** (typically **80-100 ft-lbs** for these bolts) using a **digital torque wrench** for accuracy.

- **Lubricate threads** with anti-seize compound to prevent galling.

- **If your engine is high-mileage or modified**, inspect the bearing caps and threads for wear before installation. Consider thread repair if necessary.

- **For extreme applications (turbocharged, supercharged, or drag racing)**, upgrade to **high-performance bolts** (e.g., ARP) for better reliability.

**Final Verdict:** The AC Delco 44483VKSN is a **reliable and cost-effective choice** for most Silverado 3500 owners, provided proper installation and maintenance are followed. It strikes a good balance between quality and affordability for everyday driving and light modifications.

Details:

Parts Geek - For Chevrolet Silverado 3500 Crankshaft Main Bearing Cap Bolt AC Delco 44483VKSN: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Notes: Engine New; USE TOGETHER WITH SEALANT 12346004 Heat Hardened: Yes Finish: Zinc Washer Attached: No Features: Fastens vehicles components together. Some GM Genuine Parts may have formerly appeared as AcDelco Original Equipment OE. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials technologies.

part #: 44483vksn price

  • $19.10

specifications cranshafengin:

  • for models: 3500, Silverado
  • for makes: Chevrolet
  • for years: 2001-2006
  • brand: Ac Delco
  • mpn: 44483vksn
  • part type: Bearing Crankshaft Cap Bolt
  • manufacturer warranty: 12 Month Warranty
  • notes: Engine Crankshaft Main Bearing Cap Bolt New; Use Together W.
  • years: 2001 2002 2003 2004 2005 2006
  • application: Chevrolet Silverado 3500 Crankshaft Main Bearing Cap Bolt
  • product name 2: Engine Crankshaft Main Bearing Cap Bolt
  • cs-sku: 400

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  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
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  • started: April 18, 2026

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general cranshafengin:

  • Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
  • condition: New
for models: 3500, silverado, for makes: chevrolet, for years: 2001-2006, part type: bearing crankshaft cap bolt, manufacturer warranty: 12 month warranty, notes: engine crankshaft main bearing cap bolt new; use together w., years: 2001 2002 2003 2004 2005 2006, application: chevrolet silverado 3500 crankshaft main bearing cap bolt, product name 2: engine crankshaft main bearing cap bolt, cs-sku: 400,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19906752399568604,
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1 offer $19.10 USD
  • New. Offer #1 priced at $19.10 + $0.00 shipping estimate = $19.10* total. Notes: Engine Crankshaft Main Bearing Cap Bolt -- New; USE TOGETHER WITH SEALANT 12346004.FREE SHIPPING

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