MOPAR 68581417AB Crankshaft

( Brand: Mopar ), ( Manufacturer Part Number: 68581417AB ), ( Part Type: Crankshaft ), ( Product Type: Engine ), ( Fitment Type: Direct Replacement ), ( Compatible Make S : Gmc ), ( Product Subtype: Crankshafts ), ( Product Details: Engine Crankshaft ), ( Engine Version: 454 Chevy Big Block V8 Gen Iv-vi ), ( Department: Replacement )

Review MOPAR Gmc Crankshaft fits C3500 1995

The **Mopar 68581417AB crankshaft** is a precision-engineered, high-performance component designed specifically for the **1995 GMC C3500** equipped with the **5.7L (350 cubic inch) V8 engine**, particularly those built under the **L36 or L37 engine family** common in heavy-duty applications like work trucks, towing rigs, and fleet vehicles. Crafted from **forged 4340 alloy steel**, this crankshaft is heat-treated to achieve an optimal balance of strength, durability, and resistance to fatigue, ensuring it can withstand the rigorous demands of high-torque applications, frequent towing, and extended heavy-duty use. The **five main journals** and **seven counterweights** are meticulously machined to exacting tolerances, promoting smooth operation and minimizing vibration even under extreme loads. The **full-floating design** of the crankshaft, combined with precision-ground crankpins, reduces friction and wear, enhancing overall engine longevity while maintaining peak performance. This part is a **direct replacement** for the original equipment (OEM) crankshaft, ensuring a perfect fit with the engine s rod bearings, main bearings, and connecting rods, eliminating the need for modifications or custom machining. Whether restoring a classic workhorse, upgrading a high-mileage engine, or replacing a worn-out component, the **Mopar 68581417AB crankshaft** delivers the reliability and robustness expected from a Mopar performance part, backed by the same engineering standards that have made Mopar a trusted name in aftermarket automotive solutions for decades.

The **Mopar 68581417AB** is a crankshaft designed for GM V8 engines, including the **1995 GMC C3500** with certain GM small-block (305/350/400/454) applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Mopar 68581417AB Crankshaft**

1. **OEM Quality and Fitment**

- Mopar is a well-respected brand under Ford, known for producing high-quality, direct-replacement parts. This crankshaft is designed to match the original equipment specifications for GM small-block engines, ensuring proper fitment in a 1995 GMC C3500 without modifications.

- It is manufactured to GM s original engineering standards, which means it should align correctly with the engine block, rods, and other components.

2. **Durability and Reliability**

- GM small-block cranks are known for their robustness, especially the forged steel versions (common in this application). The 68581417AB is likely forged, which provides superior strength and resistance to fatigue compared to cast cranks. This is beneficial for heavy-duty applications like a C3500, which may be used for towing or hauling.

- The crankshaft will have balanced counterweights, reducing vibration and improving engine smoothness.

3. **Compatibility with Aftermarket Parts**

- Since this is an OEM-style crankshaft, it will work seamlessly with aftermarket components such as rods, bearings, and timing sets. Many performance builders prefer OEM-style cranks because they are easier to source and install than custom or specialty cranks.

- It is compatible with common GM small-block modifications, such as stroker kits or performance camshafts, without requiring extensive rework.

4. **Warranty and Support**

- Mopar parts often come with warranties (typically 12 months or more), providing peace of mind against defects. Ford/Mopar dealerships and authorized distributors can offer technical support if issues arise during installation or use.

- The part is widely available through Mopar dealers, online retailers (e.g., RockAuto, Summit Racing), and eBay, making it easier to purchase and replace.

5. **Cost-Effective for a Direct Replacement**

- While not the cheapest option, this crankshaft is priced reasonably for an OEM-quality part. It avoids the need for custom machining or expensive specialty cranks, which can be costly for a 1995 truck owner.

- Compared to rebuilding an existing crankshaft or sourcing a used one, this is a clean, reliable solution.

6. **Mainstream Availability**

- Unlike rare or discontinued parts, the 68581417AB is a stock part for many GM engines, meaning it is easy to find and order without long wait times or special ordering.

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### **Cons of buying a Mopar 68581417AB Crankshaft**

1. **Potential for Mismatch with Specific Engine Variations**

- If your engine is a **305ci** or **350ci** with a different rod journal diameter or main journal spacing, the crankshaft may not fit perfectly. Always verify the exact crankshaft part number for your engine (e.g., some 350ci engines use a different crank, such as the 68581417AA or 68581417AC).

- The **454ci big-block** engines in the C3500 use a different crankshaft entirely (e.g., 10.25" stroke), so this part is not applicable to those engines.

- Double-checking the crankshaft part number for your specific engine build is critical to avoid purchasing the wrong part.

2. **Limited Performance Potential**

- This is an OEM-style crankshaft, meaning it is not optimized for high-performance applications (e.g., forced induction, extreme horsepower, or high RPM use). It may not handle the stresses of aggressive modifications as well as a forged or custom crankshaft designed for performance.

- If you plan to build a high-performance engine (e.g., 500 hp), a more robust crankshaft (e.g., a **Crane, Eagle, or custom forged crank**) may be necessary to prevent failure under extreme loads.

3. **Weight Considerations**

- While not a major issue for most applications, OEM cranks are not as lightweight as some aftermarket performance cranks. This can slightly reduce engine responsiveness in high-performance builds, though the difference is negligible for most truck owners.

4. **Potential for Counterfeit or Low-Quality Parts**

- When purchasing online (especially from third-party sellers), there is a risk of receiving a counterfeit or substandard part. Mopar parts are often replicated by less reputable sellers, which can lead to premature failure or poor fitment.

- To avoid this, always buy from authorized Mopar dealers, reputable online retailers, or verified sellers with good reviews.

5. **Installation Complexity**

- Replacing a crankshaft requires significant disassembly of the engine, including removing the block from the truck, which is labor-intensive. If you are not experienced with engine work, this may require professional help, adding to the cost.

- The process involves machining the rod journals if the existing rods are being reused, which adds time and expense.

6. **No Customization Options**

- Unlike custom cranks, this part does not offer options for stroke length, journal size, or balancing for specific applications. If you need a stroker crank or a different rod journal diameter, you will need to source a different part.

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### **Conclusion**

The **Mopar 68581417AB crankshaft** is a solid choice for a **1995 GMC C3500** owner who needs a **direct OEM replacement** for a GM small-block engine (305/350ci, assuming correct fitment). It offers reliability, durability, and ease of installation, making it ideal for everyday driving, towing, or light modifications. However, it is not suitable for high-performance builds or engines with non-standard specifications.

The biggest risk is **purchasing the wrong crankshaft** due to variations in engine models (e.g., 305 vs. 350 vs. 454). Always verify the exact crankshaft part number for your engine before buying. Additionally, if you plan to push the engine beyond stock power levels, consider a higher-quality or custom crankshaft.

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### **Recommendation**

- Confirm the exact crankshaft part number for your **1995 GMC C3500** engine. Check your engine s build sheet or consult a GM small-block engine guide to ensure the 68581417AB is compatible. For example:

- A **305ci** or **350ci** engine with standard rod journals (e.g., 2.000" rod journals) may use this crankshaft.

- A **454ci big-block** engine will **not** use this part.

- If unsure, contact a **GM small-block specialist** or a **trusted mechanic** to confirm fitment.

- Buy the part from an **authorized Mopar dealer**, **Summit Racing**, **RockAuto**, or another trusted retailer to avoid counterfeit parts. Avoid unknown sellers on eBay or Facebook Marketplace unless they have verified reviews.

- For **stock or light-duty use**, the Mopar crankshaft is an excellent, cost-effective solution.

- For **performance builds (300 hp)**, research whether a **forged or performance crankshaft** (e.g., Crane C7000, Eagle 1000) would be more appropriate. These cranks are more expensive but offer better durability under stress.

- If you plan to **stroker the engine**, ensure the crankshaft is compatible with your intended stroke length (e.g., 3.500" vs. 3.750").

- Replacing a crankshaft is a labor-intensive job. If you lack experience, budget for **professional engine work**, which can cost **$1,000 $2,500 ** depending on the shop and location. If you re comfortable with engine work, allocate time for proper machining and assembly.

- **Used OEM cranks** (from junkyards or private sellers), which can be cheaper but may require inspection for cracks or wear.

- **Aftermarket OEM-style cranks** from brands like **Eagle, Crane, or Holley**, which may offer slight improvements over Mopar.

- **Custom cranks** if you need specific modifications (e.g., longer stroke, different journal sizes).

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The **Mopar 68581417AB crankshaft is a reliable

Details:

Crankshaft 68581417AB by Mopar. Plus, they are strong enough to handle the toughest abuse, so will serve you year in and out. Made from the finest materials utilizing sophisticated manufacturing techniques, they deliver unparalleled durability and a perfect fit. Designed according to the highest quality standards.

These products are guaranteed to outperform any aftermarket replacement parts in every way. Made using the latest manufacturing technology to meet highest quality standards, Mopar parts provide outstanding performance and durability. Make your vehicle look and perform like new without spending a fortune with superior Mopar products. They will offer reliable service for a long time, making every ride safe and enjoyable experience.

Features: Ideal solution to keep your vehicle in top shape. Meticulously engineered to ensure excellent performance. Want your prized possession to look and perform the way it was designed. Highly resistant to wear and tear for long-lasting service.

part #: 68581417ab prices

• $128.70-$136.40

specifications cranshafengin:

• for models: C3500
• for makes: Gmc, Mopar
• for years: 1995
• brand: Mopar
• mpn: 68581417ab
• part type: Crankshaft
• product type: Engine
• fitment type: Direct Replacement
• compatible make s : Gmc
• product subtype: Crankshafts
• product details: Engine Crankshaft
• engine version: 454 Chevy Big Block V8 Gen Iv-vi
• department: Replacement

seller cranshafengin:

• city: Brunswick, Ohio
• rating: 99.1%
• # reviews: 154162

offer cranshafengin:

• options: Ship-to-home
• started: April 7, 2026
• quantity: 5
• sold: 0
• availability: In Stock

shipping cranshafengin:

• transit: 3-7 Days
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $20.42
• type: Calculated
• carrier: FedEx

payments cranshafengin:

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

returns cranshafengin:

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

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

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