CHEVROLET 304.GM1A19 Volt Single Piston Connecting Rod 1.5

( Brand: Chevrolet ), ( Model: VOLT ), ( Part Type: Piston Rod ), ( Conditions Options: 4, 1.5 ), ( Genuine Oem: Yes ), ( Ipn: 304.gm1a19 ), ( Manufacturer Warranty: 60 Day )

Review CHEVROLET Chevy Volt Single Piston Connecting Rod 1.5 fits 2016–2019

The **Chevrolet Volt 1.5L GM1A19 single-piston connecting rod** is a precision-engineered component designed to deliver exceptional performance and reliability within the Volt s advanced continuously variable compression ratio (CVCR) engine architecture. This critical part plays a pivotal role in maintaining the integrity of the engine s power delivery system, ensuring smooth operation across the Volt s hybrid powertrain. The **GM1A19** engine, a refined evolution of General Motors eco-friendly propulsion technology, integrates a gasoline direct-injection system paired with an electric motor to optimize fuel efficiency and reduce emissions. The **single-piston connecting rod** in this assembly is meticulously forged from high-strength alloy steel, engineered to withstand the dynamic forces generated during both combustion and electric-assist phases. Its design incorporates optimized weight distribution and reinforced internal geometry to minimize wear while maximizing durability, even under the demanding conditions of frequent regenerative braking and hybrid operation. This component is compatible with the **2016 through 2019 Chevrolet Volt models**, ensuring seamless integration with the engine s cylinder block and crankshaft assembly. The rod s precision-machined surfaces and heat-treated finish enhance its resistance to fatigue and distortion, contributing to the engine s longevity and efficiency. Whether installed in a restored Volt or as part of a routine maintenance upgrade, this connecting rod exemplifies GM s commitment to balancing performance with sustainability, making it an indispensable part of the Volt s hybrid powertrain.

### **Pros and Cons of Buying a Chevrolet 304.GM1A19 (Chevy Volt) Single-Piston Connecting Rod (1.5L) from 2016 2019**

The **Chevy Volt** is a hybrid electric vehicle (HEV) that combines a small gasoline engine (1.4L in early models, later updated to a 1.5L in 2016 ) with an electric motor and battery pack. The **304.GM1A19** engine is a **1.5L turbocharged inline-4** (introduced in 2016) that powers the Volt s extended-range electric mode. Below is a detailed breakdown of its advantages and drawbacks, followed by a conclusion and recommendation.

---

### **Pros**

1. **Hybrid Efficiency & Fuel Savings**

- The Volt is one of the most fuel-efficient vehicles in its class, averaging **50 60 MPG combined** in real-world driving (EPA-rated 93 MPGe).

- Electric-only mode allows for **zero-emission driving** for short commutes (typically **30 50 miles** on a full charge, depending on driving conditions).

- Lower operating costs compared to traditional gas-powered cars due to reduced fuel consumption and maintenance needs.

2. **Reliability of the 1.5L Turbo Engine (304.GM1A19)**

- The **1.5L turbo** is a well-engineered, modern GM engine with **direct injection, variable valve timing, and a turbocharger**, which improves power and efficiency.

- Fewer reported issues compared to the older **1.4L non-turbo** (2011 2015) Volt engines, which had some **oil dilution and starter motor failures**.

- The **single-piston connecting rod** design is standard for this engine and is not inherently problematic if maintained properly.

3. **Low Maintenance Requirements**

- No traditional **transmission** (uses an **eCVT** electric continuous variable transmission) means fewer drivetrain issues.

- **Regenerative braking** reduces wear on brake pads and rotors.

- **Oil changes** are less frequent than in traditional ICE vehicles (every **7,500 10,000 miles**).

4. **Resale Value & Depreciation**

- Hybrids, especially plug-in hybrids like the Volt, hold their value better than most gas-only cars.

- The **2016 2019 models** (post-facelift) have improved reliability and features, making them more desirable in the used market.

5. **Advanced Safety Features**

- Standard **forward collision alert, automatic emergency braking, blind-spot monitoring, and lane-keep assist** (depending on trim).

- **Good crash test ratings** from NHTSA and IIHS.

6. **Quiet & Smooth Operation**

- The electric motor provides **instant torque**, making acceleration smooth and quiet.

- The **turbocharged 1.5L** delivers **140 160 hp**, which is sufficient for most drivers without needing a high-performance engine.

7. **Tax Incentives & Rebates**

- Some regions offer **federal or state tax credits** for plug-in hybrids (check current eligibility).

- **HOV lane access** in many states for electric-only driving.

8. **Long Battery Life (If Maintained Properly)**

- The **1.5L Volt battery pack** (lithium-ion) is designed for **10 15 years or 200,000 miles** under normal conditions.

- **Battery degradation** is slower than in older Volt models (pre-2016), thanks to improvements in cooling and software.

---

### **Cons**

1. **Higher Upfront Cost (Used Market Considerations)**

- Even in the used market, a **2016 2019 Volt** will be more expensive than a comparable gas car (e.g., **$15,000 $25,000** depending on mileage and condition).

- **Battery replacement** is a major expense **$3,000 $6,000 ** if the pack fails (though rare in these years).

2. **Limited Electric Range (Depends on Battery Health)**

- The **2016 2019 Volt** has an **electric-only range of 30 50 miles** (EPA-rated 38 42 miles).

- If the battery is degraded, this range **drops significantly**, forcing more reliance on the gas engine.

- **Cold weather reduces electric range** by **30 50%** due to battery drain.

3. **Gas Engine Reliability Concerns (Early 1.5L Models)**

- Some **2016 2017 Volts** have reported **oil consumption issues** (burning oil due to **PCV valve or valve stem seals**).

- **Turbocharger failures** (less common but possible) can be expensive to repair ( $1,500 $2,500).

- **Water pump failures** (2016 2017 models) have been noted, requiring **coolant system flushes** ( $500 $1,000).

4. **Maintenance Costs Can Add Up**

- **High-voltage battery inspections** (every **5 years or 60,000 miles**) are required ( $100 $200).

- **Electric motor and inverter** components are **not cheap to replace** if they fail ( $1,000 $3,000).

- **Hybrid-specific repairs** (e.g., **high-voltage wiring, cooling system**) require **GM dealership or specialized shops**, increasing costs.

5. **Charging Infrastructure Limitations**

- **Level 1 (120V home charging)** is slow ( 4 miles/hour), meaning a full charge takes **12 hours**.

- **Level 2 (240V)** is better ( 30 miles/hour) but requires a **dedicated charging station** ( $500 $1,000 installation).

- **Public charging stations** may not be available in all areas, making long trips **less convenient** than a full gas car.

6. **Resale Depreciation (Post-2020 Models)**

- While **2016 2019 Volts** hold value well, **newer models (2020 )** have better tech and efficiency, making older Volts less desirable in the long run.

7. **Potential for Software Glitches**

- Some owners report **infotainment system freezes, charging app issues, or regenerative braking inconsistencies**.

- **Over-the-air updates** can sometimes introduce new bugs.

8. **Not Ideal for High-Mileage or Off-Road Use**

- The **electric motor is not designed for heavy loads** (e.g., towing, frequent highway speeds).

- **Battery degradation accelerates** with frequent **high-speed driving or aggressive acceleration**.

---

### **Conclusion & Recommendation**

- **Commute short distances** (most trips under **30 40 miles**).

- **Want fuel efficiency and lower operating costs** without sacrificing practicality.

- **Prefer a reliable, low-maintenance vehicle** with modern safety features.

- **Can charge at home** (or have access to public charging).

**City/commuter drivers** who rarely drive long distances.

**Budget-conscious buyers** who want a **used hybrid** with good resale value.

**Environmentally aware owners** who benefit from **electric-only driving**.

You **frequently drive long distances** (50 miles/day) without charging.

You **can t charge at home** (Level 1 charging is too slow).

You **need a high-performance or towing-capable vehicle**.

You **want the latest tech** (2020 models have better infotainment and efficiency).

- **Buy a 2017 2019 Volt** (best balance of reliability and features).

- **Service records** (oil changes, battery health, turbo maintenance).

- **No major water pump or PCV valve issues** (common in early 1.5L models).

- **Battery health** (use a **Volt-specific diagnostic tool** or get a **battery health report**).

- **$15,000 $20,000** for a **low-mileage (under 60k miles) example**.

- **$500 $1,000/year** in **maintenance** (higher than a gas car but lower than a premium hybrid).

- You want **more electric range** **

Details:

Stock Number - 2585. Chevy Volt Passenger Right Rear Spindle Knuckle Bearing Hub 2019 2018 2017 2016. Warranty: All parts come with our standard 60 day warranty. It is stored in doors and ready to be shipped.

Donor Vehicle - 2019 VOLT.

specifications pistonringro:

• for makes: Chevy, Chevrolet
• for years: 2016-2019
• brand: Chevrolet
• model: Volt
• part type: Piston Rod
• conditions options: 4, 1.5
• genuine oem: Yes
• ipn: 304.gm1a19
• manufacturer warranty: 60 Day

seller pistonringro:

• # reviews: 27236
• city: Sauk Centre, Minnesota
• rating: 99.6%

payments pistonringro:

• other
• credit card: Mastercard
• wallet: Paypal

offer pistonringro:

• best offers: True
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• started: February 17, 2026

returns pistonringro:

• time: 60 Days
• paid by: Buyer
• policy: Returns Accepted

general pistonringro:

• Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings
• condition: Used

shipping pistonringro:

• class: Expedited
• type: Fixed
• service: USPS Priority Mail
• transit: 3-7 Days
• cost: $0.00
• carrier: USPS

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