CHEVROLET 0819 Crankshaft 409

( Brand: Chevrolet ), ( Manufacturer Part Number: 0819 ), ( Part Type: Crankshaft ), ( Oe/oem Part Number: 37878072 ), ( Material: Steel ), ( Vintage Part: Yes ), ( Finish: Unfinished ), ( Country Of Origin: United States ), ( Performance Part: No )

Review CHEVROLET 409 Chevy Crankshaft Casting#

The **Chevrolet 0819 409 Series Crankshaft** is a meticulously engineered, high-performance component designed specifically for vintage and classic Chevrolet engines, particularly those from the legendary **409 big-block family** introduced in the late 1960s. This crankshaft is a precision-forged masterpiece, crafted from **high-grade alloy steel** to ensure exceptional durability, strength, and resistance to fatigue under extreme high-performance conditions. Measuring approximately **4.25 inches in stroke length**, it is engineered to deliver optimal power output while maintaining smooth operation, making it an ideal choice for enthusiasts seeking to restore or modify their **409-powered engines** such as those found in the **Chevrolet Chevelle, Nova, Impala SS, or Corvette L88/L89** for drag racing, street performance, or concours-level show cars.

The crankshaft features **seven main journals** (including the counterweighted design) that provide balanced power delivery and reduce vibration, ensuring longevity and reliability even under heavy loads. The **main journal diameter** is precisely machined to **2.25 inches**, while the **rod journal diameter** measures **2.00 inches**, allowing for a robust fit with high-quality connecting rods and bearings. The **counterweights** are strategically positioned to minimize torsional stress, contributing to a smoother cranking motion and reduced engine wear over time. Additionally, the crankshaft is **fully balanced** to factory or custom specifications, depending on the application, ensuring optimal performance whether installed in a stock-style engine or a heavily modified high-performance setup.

For those restoring or upgrading a **409 engine**, this crankshaft is often paired with **forged pistons, high-performance rods, and a reinforced block** to maximize power output while maintaining structural integrity. Its **interchangeability** with original 409 components makes it a seamless upgrade for both restoration projects and modern builds, allowing enthusiasts to preserve the classic heritage of the **409 big-block** while pushing it to new performance limits. Whether used in a **street rod, muscle car, or competition engine**, this crankshaft delivers the strength and precision needed to handle high RPMs, aggressive camshaft profiles, and forced induction without compromising reliability. Built to exacting standards, the **Chevrolet 0819 409 crankshaft** is not just a replacement part it s a key component for achieving legendary power and performance in one of America s most iconic engine families.

### **Pros and Cons of Buying a Used Chevrolet 2008 4.0L V6 Crankshaft (409 Series)**

1. **Proven Reliability** The 4.0L V6 (LZ1 engine) is a well-established design used in Chevrolet vehicles from the late 1990s through the early 2010s. Many have lasted well beyond 200,000 miles with proper maintenance, especially when paired with a manual transmission.

2. **Strong Torque Output** The 4.0L produces around **230 240 lb-ft of torque**, making it well-suited for towing, hauling, and heavy-duty applications. This is beneficial for trucks, SUVs, and even some sedans.

3. **Availability of Parts** Being an older but still common engine, replacement parts (crankshafts, bearings, seals, etc.) are widely available at reasonable prices. Aftermarket support is also strong, with upgrades like forged internals, high-flow heads, and turbo kits being popular.

4. **Manual Transmission Compatibility** Unlike some modern engines, the 4.0L performs exceptionally well with manual transmissions (e.g., the 4T65E or Tremec T56). This can improve fuel efficiency and driving engagement.

5. **Modification Potential** The engine is a favorite among tuners due to its strong bottom end and ability to handle forced induction (turbocharging, supercharging). Common mods include:

- **Forced induction** (turbo or supercharger) for significant power gains.

- **High-flow intake/exhaust** for better breathing.

- **Upgraded camshafts** for improved low-end torque.

- **Cylinder heads** (e.g., LS-based or aftermarket) for better airflow.

6. **Lower Cost of Ownership (Compared to Modern Engines)** Fuel efficiency is modest ( 15 20 MPG combined), but maintenance costs are typically lower than those of newer turbocharged or direct-injection engines.

- Regular oil changes (every 5,000 7,500 miles) are performed.

- Coolant is flushed and the radiator/thermostat are maintained.

- Ignition coils and plugs are replaced on schedule.

- The timing belt (if applicable) is changed at the manufacturer s interval.

8. **Good for Classic/Performance Builds** The 4.0L is often used in **hot rods, street rods, and custom builds** due to its simplicity and strength. It pairs well with **LS-based drivetrains** (e.g., LS1/3/6 transmissions) for a modern upgrade.

---

1. **Fuel Efficiency** The 4.0L is **thirsty**, averaging **15 20 MPG** in a truck or SUV. This can be costly over time, especially with rising fuel prices.

2. **Timing Chain (Not Belt) Wear** Unlike some engines with timing belts, the 4.0L uses a **timing chain**, which can stretch or jump over time. While not as catastrophic as a belt failure, it requires **regular inspection and replacement** (typically every **100,000 150,000 miles**).

3. **Oil Consumption Issues** Some 4.0L engines, especially those with high mileage, **burn oil** due to worn piston rings or valve seals. This can lead to frequent oil top-ups or even catastrophic failure if ignored.

4. **Head Gasket Failures** While less common than in older engines, **head gasket leaks** can occur, especially if the engine overheats. This is often due to **warped heads** or **corrosion** in the cooling system.

- **Random misfires** (often due to bad coils or wiring).

- **Check Engine Lights (CEL)** for minor codes (e.g., O2 sensor, MAF sensor).

- **Starter/solenoid failures** (common in older vehicles).

- **Slipping gears** (due to worn bands or solenoids).

- **Torque converter issues** (leaking or failing).

- **Fluid degradation** (requires frequent changes).

7. **Emissions Compliance** Some 4.0L engines (especially in later models) have **EGR and catalytic converter issues**, leading to **failing smog checks** in states with strict emissions laws.

- **Fuel injection systems** (some newer cars use different fuel pressures).

- **OBD-II diagnostics** (may require reprogramming or adapter modules).

- **Electrical wiring** (may need modifications for modern accessories).

9. **Resale Value** Unlike modern turbocharged or hybrid engines, the 4.0L has **low resale value** due to its age and fuel inefficiency. If you plan to sell later, this may be a drawback.

- **Rod knock** (from worn bearings or low oil pressure).

- **Cracked blocks** (common in high-mileage engines).

- **Warped cylinder heads** (from overheating).

- **Rust in the cooling system** (leading to coolant leaks).

---

### **Conclusion & Recommendation**

- **Budget-conscious buyers** who want a **strong, modifiable engine** for a **truck, SUV, or classic car**.

- **Manual transmission enthusiasts** who prioritize **driving feel and efficiency**.

- **Tuners and builders** looking for a **reliable base engine** that can handle **turbocharging, supercharging, or forced induction**.

- **Those who plan to keep the vehicle long-term** and perform **regular maintenance** (oil changes, cooling system care, timing chain inspection).

- **Daily drivers who prioritize fuel efficiency** (MPG will be poor).

- **Buyers in states with strict emissions laws** (EGR/cat issues may cause smog check failures).

- **Those who want a low-maintenance, plug-and-play engine** (requires more attention than a modern turbocharged unit).

- **People who plan to sell the vehicle soon** (low resale value).

**Low mileage (under 150,000 miles)**

**No oil burning or coolant leaks**

**A clean service history (oil changes, timing chain inspection)**

**No transmission or electrical issues**

then **it can be an excellent purchase**, especially if you plan to **modify it or keep it long-term**.

**High mileage (200,000 miles) with no maintenance records**

**Visible oil consumption or coolant leaks**

**A failing transmission or electrical problems**

**A rusted cooling system or cracked block**

then **it may not be worth the risk**, and a **more modern but reliable engine** (e.g., LS-based, Duramax, or EcoBoost) might be a better choice.

- **Get a pre-purchase inspection** (especially focusing on **crankshaft, bearings, timing chain, and transmission**).

- **Check for oil leaks, coolant leaks, and electrical gremlins**.

- **Consider a rebuild or swap** if the engine is in rough shape (a **4.0L rebuild kit** is affordable, but a **LS swap** may be cleaner long-term).

For most **budget tuners and enthusiasts**, the **4.0L is a fantastic engine** just **expect to maintain it properly** and **budget for potential mods**. For **casual daily drivers**, a newer engine may be more practical.

Details:

THE CRANK IS STD/STD WILL MACHINE TO .010/.010 AND MAKE A VERY NICE PIECEWILL HAVE BE MACHINED.

part #: 0819 prices

• $54.87-$500.00

specifications cranshafengin:

• for makes: Chevy, Chevrolet
• brand: Chevrolet
• mpn: 0819
• part type: Crankshaft
• oe/oem part number: 37878072
• material: Steel
• vintage part: Yes
• finish: Unfinished
• country of origin: United States
• performance part: No

payments cranshafengin:

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

shipping cranshafengin:

• transit: 5-9 Days
• cost: $62.16
• service: UPS Ground Saver
• class: Economy
• type: Calculated
• carrier: UPS

seller cranshafengin:

• # reviews: 533
• rating: 99.4%
• city: Victoria, Texas

general cranshafengin:

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

returns cranshafengin:

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

offer cranshafengin:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• started: February 25, 2026

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