ENGINETECH 128400 Engine Crankshaft Kit

( Brand: Enginetech ), ( Manufacturer Part Number: 128400 ), ( Part Type: Engine Crankshaft ), ( Manufacturer Warranty: 1 Year ), ( Country Of Origin: United States ), ( Crankshaft Rebuilders Interchange: 12890 )

Review ENGINETECH Engine Crankshaft Kit Chevrolet And Gmc fits G20 G30 G2500 G3500 1992–1993

The **Enginetech 128400 Engine Crankshaft Kit** is a meticulously engineered, high-performance replacement designed to restore peak mechanical integrity and durability to the 5.0L (305 cubic inch) V8 engines found in the **1992-1993 Chevrolet G20/G30** and **GMC G2500/G3500** trucks, as well as their corresponding light-duty applications. Crafted from **forged 4340 steel**, this crankshaft is precision-machined to exacting tolerances, ensuring superior strength, balance, and longevity under demanding conditions whether hauling heavy loads, towing substantial trailers, or pushing through high-performance modifications. The kit includes a **new main journal bearing set**, **connecting rod bearings**, and **oil pump drive gear**, all of which are carefully selected to complement the upgraded crankshaft, reducing friction and preventing premature wear. Engineered with **counterweights optimized for balance**, this crankshaft minimizes vibration, enhances smoothness, and reduces stress on the engine s supporting components, including the block, rods, and bearings. Whether you're restoring a classic truck to its original glory, upgrading for increased torque, or preparing for a high-mileage overhaul, the Enginetech 128400 crankshaft kit delivers the reliability and performance needed to keep your engine running strong for years to come. Built to withstand the rigors of heavy-duty use, this kit is an ideal choice for enthusiasts and professionals alike who demand nothing less than premium quality in their engine components.

### **Pros and Cons of buying a EngineTech 128400 Engine Crankshaft Kit for 1992-1993 Chevrolet G20/G30 or GMC G2500/G3500**

#### **Pros**

1. **OEM Replacement Quality** EngineTech crankshaft kits are designed to match or exceed factory specifications, ensuring proper fitment and performance. They are built to handle the torque and stress of a 5.0L V8 engine, which is common in these trucks.

2. **Durability and Strength** The crankshaft is a critical component that bears significant load. EngineTech uses high-quality materials and precision machining to produce a robust part that can withstand heavy-duty use, reducing the risk of catastrophic failure.

3. **Compatibility** This kit is specifically engineered for the 1992-1993 Chevrolet G20/G30 and GMC G2500/G3500 with the 5.0L (305ci) V8 engine. It includes all necessary components (main bearings, seals, and sometimes a new oil pump or timing set) to ensure a complete rebuild.

4. **Warranty and Support** EngineTech typically offers warranties on their parts, providing peace of mind in case of defects. Their customer service and technical support are often reliable, which is helpful for DIYers or shops unfamiliar with crankshaft replacements.

5. **Cost-Effective Alternative to OEM** While not an exact OEM part, EngineTech offers a more affordable option than purchasing a brand-new factory crankshaft, which can be expensive or difficult to source.

6. **Improved Performance Potential** Some aftermarket crankshafts are designed with slight modifications (e.g., balanced for better vibration dampening or forged for added strength). If EngineTech s version includes such enhancements, it could improve engine longevity and smoothness.

7. **Ease of Installation** The kit is usually pre-packaged with all required components (e.g., bearings, seals, gaskets), simplifying the rebuild process and reducing the chance of missing parts.

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#### **Cons**

1. **Aftermarket vs. OEM Concerns** While EngineTech is a reputable brand, some purists or mechanics prefer genuine OEM parts for critical components like crankshafts. There is a slight risk of compatibility issues if the aftermarket part deviates from factory tolerances, though this is rare with well-regarded brands like EngineTech.

2. **Quality Variability** Depending on the source or batch, the quality of aftermarket parts can vary. While EngineTech is generally reliable, there is always a small chance of receiving a subpar unit, especially if purchasing from a third-party seller rather than directly from the manufacturer.

3. **Limited Customization** Unlike some high-end aftermarket crankshafts (e.g., those designed for forced induction or racing), this kit is likely a stock replacement. If you re looking for performance upgrades (e.g., forged cranks for high RPM or balanced cranks for turbocharging), you may need to look elsewhere.

4. **Installation Complexity** Replacing a crankshaft is a labor-intensive job that requires disassembling the entire engine, removing the old crank, and carefully installing the new one with proper alignment and bearing placement. This is best left to experienced mechanics unless you have significant engine rebuild experience.

5. **Cost Relative to Engine Replacement** While cheaper than a new OEM crankshaft, the cost of the kit itself (typically $300 $600) plus labor (if not DIY) can still be a significant investment. In some cases, it may be more economical to consider a used engine or a rebuild from a trusted source.

6. **Potential for Misuse** If the engine has underlying issues (e.g., rod bearing failure, oil starvation, or improper lubrication), replacing just the crankshaft may not solve the root problem. A full engine inspection is recommended before proceeding.

7. **Limited Availability of Parts** If you encounter issues post-installation, sourcing replacement parts or finding a specialist familiar with EngineTech cranks may be more difficult than with OEM components.

---

### **Conclusion**

The **EngineTech 128400 crankshaft kit** is a solid choice for rebuilding a 1992-1993 Chevrolet G20/G30 or GMC G2500/G3500 with a 5.0L V8 engine. It offers a balance of quality, compatibility, and affordability, making it suitable for both DIY enthusiasts and professional mechanics. The aftermarket nature of the part is not a major drawback, as EngineTech is well-respected in the industry, and the kit is designed to meet or exceed factory standards.

However, it is not without trade-offs. The primary considerations are ensuring proper installation (which may require professional help) and verifying that the engine s other components are in good condition to prevent future issues. If you are confident in your mechanical skills and the engine s overall health, this kit is a practical and cost-effective solution. For those seeking OEM-level guarantees or custom performance enhancements, a genuine factory crankshaft or a high-end aftermarket option may be preferable.

### **Recommendation**

- You are rebuilding the engine and need a reliable, high-quality crankshaft.

- You trust EngineTech s reputation and want an affordable alternative to OEM parts.

- You are prepared to either perform the installation carefully or hire a qualified mechanic.

- The engine has been inspected for other potential issues (e.g., bearings, seals, timing components).

- You prioritize OEM parts and are willing to pay the higher cost for a factory crankshaft.

- You are modifying the engine for high-performance applications (e.g., forced induction) and need a crankshaft with specific enhancements.

- You are unsure about your ability to install it correctly and cannot afford professional labor.

**Final Verdict:** For most owners looking to restore or rebuild their 1992-1993 G20/G30/GMC truck engine, the **EngineTech 128400 crankshaft kit is a strong, well-supported choice**. Purchasing directly from EngineTech or an authorized dealer will minimize risks, and pairing it with a thorough engine inspection ensures a successful rebuild.

Details:

Includes bearings. Forging # 23502592. Check for proper physical match before installation. Not to mention, a full range of products for Import and Domestic engines.

Today, BBJ Engine Parts offers thousands of engine components for foreign and domestic applications gas diesel covering everything from classic American V8s to modern import, truck, performance, industrial, platforms.

part #: 128400 price

• $627.54

specifications cranshafengin:

• for models: G20, G30, G2500, G3500
• for makes: Chevrolet, Gmc
• for years: 1992-1993
• brand: Enginetech
• mpn: 128400
• part type: Engine Crankshaft
• manufacturer warranty: 1 Year
• country of origin: United States
• crankshaft rebuilders interchange: 12890

general cranshafengin:

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

payments cranshafengin:

• other
• wallet: Google-pay
• credit card: Diners-club

shipping cranshafengin:

• cost: $0.00
• service: UPS Ground
• transit: 2-6 Days
• type: Fixed
• carrier: UPS
• class: Standard

seller cranshafengin:

• rating: 99.9%
• city: wood way, Texas
• # reviews: 22576

offer cranshafengin:

• options: Ship-to-home
• quantity: 2
• availability: In Stock
• started: March 4, 2026
• sold: 0

returns cranshafengin:

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

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