CHEVROLET 303.GM1A19 Volt Engine Crankshaft Crank Shaft 1.5
fits make: Chevy, Chevrolet. year: 2016–2019.
( Brand: Chevrolet ), ( Model: VOLT ), ( Part Type: Engine Crankshaft Crank Shaft ), ( Conditions Options: 4, 1.5, At, Fwd ), ( Genuine Oem: Yes ), ( Ipn: 303.gm1a19 ), ( Descriptionpartcondition: The Pictures Are Of The Exact Part You Will Recieve. This Is A Hi ), ( Manufacturer Warranty: 60 Day )
Review CHEVROLET Chevy Volt Engine Crankshaft Crank Shaft 1.5 Oem fits 303 2016–2019
The **Chevrolet 303.GM1A19 1.5L ECO-TEC4 Engine Crankshaft (Crankshaft Assembly)** is a precision-engineered component designed exclusively for the **2016 2019 Chevrolet Volt**, serving as the backbone of the vehicle s advanced **EcoTec4 1.5L turbocharged gasoline engine**. This crankshaft is forged from high-grade **chromoly steel (typically 4140 or 4340 alloy)**, ensuring exceptional durability, resistance to torsional stress, and longevity under the demanding conditions of high-performance turbocharged operation. Measuring approximately **19.5 inches in length**, the crankshaft features a **five-main-bearing journal design**, optimized for smooth operation and minimal friction, while its **counterweighted configuration** helps mitigate vibration and enhance overall drivetrain stability. The crankshaft s **main journals and crankpins** are precision-machined to exacting tolerances, often featuring **hardened and ground surfaces** to withstand the intense pressures generated by the turbocharged induction system, which boosts power output while maintaining efficiency. This component is a critical part of the Volt s **parallel hybrid powertrain**, where the crankshaft s reliability directly impacts the engine s ability to deliver seamless power transfer between the internal combustion system and the electric motor during regenerative braking and acceleration phases. Whether replacing a worn or damaged crankshaft or upgrading for enhanced performance, this **OEM-quality or high-grade aftermarket equivalent** ensures compatibility with the Volt s **GM1A19 engine block**, complete with the correct **main bearing cap spacing, rod bolt pattern, and journal diameters** to maintain optimal engine balance and performance. Built to meet or exceed **GM s original specifications**, this crankshaft is a vital upgrade for maintaining the Volt s reputation for **fuel efficiency, hybrid synergy, and long-term reliability**.
Buying a **Chevrolet 303.GM1A19 (Chevy Volt) engine crankshaft** (1.4L or 1.5L, depending on model year) for a used or rebuilt application involves several considerations. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.
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### **Pros of Buying a Used/Rebuilt Chevy Volt Crankshaft**
1. **High-Quality Cast Iron Construction**
The Volt s crankshaft is made from **high-grade cast iron**, which is durable and resistant to wear. This material is preferred for longevity in high-performance or modified applications.
2. **Proven Reliability in Hybrid Systems**
The Volt s engine was designed for **hybrid efficiency**, meaning the crankshaft is built to handle **low-speed torque and smooth operation** useful for applications requiring precise power delivery.
3. **Aftermarket Availability & Support**
The Volt s engine (GM1.4L or GM1.5L) has a **strong aftermarket presence**, meaning you can find **replacement parts, rebuild kits, and machining services** relatively easily. Companies like **Crankshafts.com, JE Crooks, and local machine shops** specialize in hybrid cranks.
4. **Potential for Modifications**
Since the Volt s engine is **not heavily modified in stock form**, a rebuilt crankshaft can be used in **turbocharged, supercharged, or high-RPM applications** (with proper balancing and machining). Some enthusiasts have successfully used Volt cranks in **rotary-powered or modified hybrid setups**.
5. **Cost-Effective Compared to New OEM**
Purchasing a **used or rebuilt crankshaft** is significantly cheaper than buying a **brand-new OEM part** from GM. Prices typically range from **$200 $600**, depending on condition and source.
6. **Compatibility with Other GM Engines (With Modifications)**
While not a direct swap, some **GM 1.4L/1.5L hybrid engines** share **similar crankshaft dimensions** with other GM powertrains (e.g., **1.4L Ecotec, 1.5L Turbo**), allowing for **custom machining or adapter solutions** in some cases.
7. **Good for DIY Builders**
If you re **rebuilding an engine yourself**, a used Volt crankshaft can be a **cost-effective way to get a high-quality part** without paying full OEM prices.
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### **Cons of Buying a Used/Rebuilt Chevy Volt Crankshaft**
1. **Limited Stock Availability**
Unlike mass-produced engines, **Volt cranks are not as widely available** as common small-block or Ecotec cranks. You may need to **source from specialty suppliers or eBay**, which can be hit-or-miss.
2. **Potential for Wear or Damage**
If purchasing a **used crankshaft**, there s a risk of:- **Surface pitting or scoring** (from improper lubrication or wear).
- **Cracks or fractures** (common in high-mileage or poorly stored parts).
- **Imbalance issues** (if not properly balanced after machining).
A **detailed inspection by a machine shop** is essential before purchase.
3. **Requires Professional Machining & Balancing**
Even if the crank is **structurally sound**, it may need:- **Grinding or polishing** (to remove wear from journals).
- **Balancing** (critical for high-RPM applications).
- **Rod journal resizing** (if using oversized bearings).
These services add **hundreds of dollars** to the cost.
4. **Limited Warranty or No Return Policy**
Many used crankshafts come with **no warranty**, meaning if they fail prematurely, you re responsible for replacement costs. Some sellers offer **limited warranties (30 90 days)**, but this varies.
5. **Potential Fitment Issues**
- The **Volt s crankshaft is not a direct swap** for most GM engines (e.g., 1.8L, 2.0L, or 3.5L V6).
- Some **aftermarket adapters or custom machining** may be required for compatibility.
- **Rod length and bearing spacing** must match the engine block.
6. **Hybrid-Specific Considerations**
- The Volt s engine was designed for **hybrid operation**, meaning it may not handle **high-torque or forced induction** as well as a dedicated performance crank.
- Some **hybrid-specific components** (like the **starter-generator integration**) may not be relevant in a non-hybrid build.
7. **Potential for Counterfeit or Mismatched Parts**
Due to the **niche nature of Volt parts**, there s a risk of **fake or misrepresented cranks** being sold. Always verify:- **Part number (303.GM1A19 for 1.4L, 303.GM1A20 for 1.5L)**.
- **Material certification** (should be **ASTM A487 Grade 65-45-12**).
- **Seller reputation** (check reviews, forums, or machine shop endorsements).
---
### **Conclusion**
Buying a **used or rebuilt Chevy Volt crankshaft (303.GM1A19)** can be a **cost-effective and high-quality option** for:- **Hybrid or electric vehicle conversions** (where the crank s smooth operation is beneficial).
- **DIY engine rebuilds** where budget is a concern.
- **Modified applications** (with proper machining and balancing).
- **Enthusiasts looking for a unique, high-performance crank** for niche builds.
However, it comes with **risks and challenges**, including:- **Limited availability and potential quality issues** with used parts.
- **The need for professional machining and balancing** to ensure reliability.
- **Fitment and compatibility concerns** if not properly researched.
- **No guarantees on longevity** without proper maintenance.
---
### **Recommendation**
1. **If You Need a Reliable, High-Quality Crank for a Budget Build:**- **Buy from a reputable machine shop or specialty supplier** (e.g., **Crankshafts.com, JE Crooks, or local hybrid engine rebuilders**).
- **Request a certified used crank** with **inspection reports** (look for **no cracks, minimal wear, and proper balancing**).
- **Budget for machining** ( $300 $600) to ensure it s **polished, balanced, and sized correctly** for your application.
2. **If You re Building a High-Performance or Forced-Induction Engine:**- **Consider a new or remanufactured crank from a trusted supplier** (e.g., **Crankshafts.com, Summit Racing, or GM remanufacturers**).
- **Avoid used cranks** unless you re **absolutely certain** of their condition.
- **Consult an engine builder** before purchasing to ensure **proper rod length, bearing spacing, and balancing**.
3. **If You re Converting a Vehicle to Hybrid/Electric:**- The Volt s crank is **already optimized for smooth operation**, making it a **good candidate** for **regenerative braking and low-speed torque applications**.
- **Pair it with a hybrid-specific transmission or starter-generator** for best results.
4. **Avoid Buying Blindly:**- **Never purchase without a visual inspection** (or a video inspection if buying online).
- **Check for cracks, pitting, and journal wear** these can lead to **catastrophic failure**.
- **Verify the part number** to ensure it matches your engine (1.4L vs. 1.5L differences exist).
### **Final Verdict:**A **Chevy Volt crankshaft (303.GM1A19) is a solid choice for budget-conscious builders, hybrid conversions, or DIY projects**, but it requires **due diligence in sourcing and preparation**. For **high-performance or critical applications**, a **new or professionally remanufactured crank** may be the safer option. Always **consult an engine expert** before finalizing your purchase.
Details:
It is stored in doors and ready to be shipped. Stock Number - 2585. Warranty: All parts come with our standard 60 day warranty. 4 ,1.5,AT,FWD.
Donor Vehicle - 2019 VOLT.
specifications cranshafengin:
- for makes: Chevy, Chevrolet
- for years: 2016-2019
- brand: Chevrolet
- model: Volt
- part type: Engine Crankshaft Crank Shaft
- conditions options: 4, 1.5, At, Fwd
- genuine oem: Yes
- ipn: 303.gm1a19
- descriptionpartcondition: The Pictures Are Of The Exact Part You Will Recieve. This Is A Hi
- manufacturer warranty: 60 Day
general cranshafengin:
- Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
- condition: Used
returns cranshafengin:
- paid by: Buyer
- time: 60 Days
- policy: Returns Accepted
payments cranshafengin:
- wallet: Google-pay
- other
- credit card: Diners-club
offer cranshafengin:
- quantity: 1
- best offers: True
- options: Ship-to-home
- started: May 15, 2026
- availability: In Stock
- sold: 0
seller cranshafengin:
- city: Sauk Centre, Minnesota
- # reviews: 29816
- rating: 99.7%
shipping cranshafengin:
- carrier: UPS
- class: Standard
- cost: $0.00
- type: Fixed
- transit: 3-5 Days
- service: UPS Ground
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