ALFA ROMEO 73503891 Stelvio Crankshaft 2.0L 280HP

( Brand: Alfa Romeo ), ( Manufacturer Part Number: 73503891 ), ( Part Type: Crankshaft ), ( Oe/oem Part Number: 03893544ab, 71779985 ), ( Material: Steel ), ( Vintage Part: No )

Review ALFA ROMEO Stelvio Ti Crankshaft 2.0l 280hp Oem fits 2018

The **Alfa Romeo 73503891 2018 Stelvio 2.0L Twin-Spark 280HP Crankshaft** is a meticulously engineered component designed to deliver the high-performance reliability expected from Alfa Romeo s legendary 2.0L Twin-Spark engine architecture. This crankshaft, part of the **Twin-Spark 2.0L 280HP** powertrain found in the 2018 Stelvio, is forged from premium alloy steel to ensure exceptional durability and resistance to torsional stress, even under the demanding conditions of aggressive driving or extended high-performance use. The crankshaft features a **five-main-bearing design**, optimized for smooth operation and reduced friction, allowing the engine to maintain its signature blend of responsiveness and efficiency. Its precision-machined journals and counterweights are dynamically balanced to minimize vibration, ensuring a refined driving experience while maximizing power delivery critical for the Stelvio s sporty handling and spirited acceleration. The **280HP variant** of this crankshaft is specifically tuned to work in concert with the engine s **Twin-Spark ignition system**, which combines both spark plugs per cylinder for improved combustion efficiency and reduced emissions, all while preserving the engine s iconic Alfa Romeo character. Whether restoring a high-mileage Stelvio or upgrading an existing engine, this crankshaft is a critical replacement part that upholds the performance standards of Alfa s performance-oriented lineup, ensuring the heart of the vehicle remains as robust and dynamic as the car itself. Built to exacting specifications, it is a testament to Alfa Romeo s commitment to blending Italian craftsmanship with cutting-edge engineering.

### **Pros and Cons of Buying a 2018 Alfa Romeo Stelvio (73503891, 2.0L Twin-Turbo, 280HP)**

#### **Pros**

1. **Performance and Driving Experience**

The 2.0L twin-turbo engine delivers strong acceleration (0-60 mph in 5.5 seconds) and a sporty, engaging driving feel. The Quadrifoglio badge indicates a performance-oriented variant with a more aggressive suspension setup, sharper steering, and a sport-tuned exhaust note. The 8-speed automatic transmission (ZF 8HP) is smooth and responsive, though not as engaging as a manual.

2. **Styling and Presence**

The Stelvio s aggressive, muscular design inspired by Alfa Romeo s racing heritage makes it stand out on the road. The Quadrifoglio trim adds a premium, high-performance aesthetic with unique alloy wheels, sport seats, and a distinctive front grille.

3. **Interior Quality and Features**

The interior is well-crafted, with high-quality materials (leather, aluminum trim, and soft-touch surfaces) and a modern infotainment system (Alfa Romeo Connect with a 7-inch touchscreen). Features like heated/ventilated seats, a panoramic sunroof, and Bose audio (in higher trims) enhance comfort and luxury.

4. **Reliability of the Engine**

The 2.0L twin-turbo engine (based on Fiat s EA258 platform) is generally reliable when maintained properly. Alfa Romeo has improved engine durability in recent years, though turbocharged engines require regular oil changes and attention to cooling systems to prevent issues like carbon buildup or turbo failure.

5. **Resale Value**

The Quadrifoglio Stelvio holds its value relatively well compared to other performance SUVs, especially given its Italian heritage and limited production numbers.

6. **Tech and Safety Features**

The Stelvio comes equipped with modern safety tech like adaptive cruise control, lane-keeping assist, blind-spot monitoring, and a 360-degree camera (in higher trims). The infotainment system supports Apple CarPlay and Android Auto, though the interface can feel dated compared to competitors.

7. **Comfort and Practicality**

Despite its sporty nature, the Stelvio offers a comfortable ride with good road-holding. The interior is spacious for three passengers, with a decent trunk (though not as large as some rivals). The rear seats are narrow but acceptable for short trips.

---

#### **Cons**

1. **Maintenance Costs**

Alfa Romeo parts and labor are expensive, often costing more than those of German or Japanese rivals. The twin-turbo engine requires premium oil and may need more frequent servicing than naturally aspirated engines. Common issues include turbo failures, oil leaks, and electrical gremlins (e.g., sensor malfunctions).

2. **Reliability Concerns**

While the 2.0L engine is robust, some owners report issues with the turbochargers, oil consumption, and minor electrical problems (e.g., infotainment glitches). The suspension can wear out faster than expected, requiring costly replacements. The 8-speed automatic transmission is generally reliable but may need attention if not serviced properly.

3. **Fuel Economy**

The Quadrifoglio Stelvio is thirsty, averaging around **14-16 MPG combined** (city/highway). This is worse than many rivals in the segment, making it more expensive to own over time.

4. **Build Quality and Noise**

Some early-model Stelvios have reported rattles, squeaks, and poor sound insulation, leading to a less refined cabin experience. The turbocharged engine can also be louder than expected, especially at highway speeds.

5. **Limited Off-Road Capability**

The Stelvio is a performance-oriented SUV, not a true off-roader. It lacks features like all-wheel drive (AWD) in base models (though the Quadrifoglio comes with AWD), low-range gearing, or significant ground clearance. If you need serious off-road capability, you d be better off with a Land Rover or Jeep.

6. **Infotainment Lag and Software Issues**

The Alfa Romeo Connect system can be slow and unresponsive, with occasional software glitches. Navigation updates are infrequent, and the touchscreen interface is less intuitive than competitors like BMW or Mercedes.

7. **Resale Depreciation**

While the Quadrifoglio holds value better than some Alfa models, the Stelvio still depreciates significantly over time. If you plan to sell it in a few years, you may not recoup much of your initial investment.

8. **Limited Availability of Parts**

Alfa Romeo has a smaller dealer network than German brands, which can make finding parts or getting service quicker more difficult. Some specialized components (e.g., suspension parts) may require longer lead times.

---

### **Ending Conclusion**

The **2018 Alfa Romeo Stelvio Quadrifoglio (2.0L, 280HP)** is a **fantastic car for enthusiasts** who prioritize **driving dynamics, styling, and Italian performance** over practicality or long-term cost efficiency. It delivers **strong acceleration, a fun driving experience, and a premium interior**, making it ideal for those who want a **sporty SUV with character**. However, **high maintenance costs, reliability concerns, and poor fuel economy** are significant drawbacks that could add up over time.

If you **love Alfa Romeo s heritage, enjoy tuning your car, and are prepared for potential repair bills**, this Stelvio is an excellent choice. But if you **prioritize reliability, low ownership costs, or off-road capability**, you might consider alternatives like a **BMW X5 M, Audi S Q5, or even a more practical but reliable turbo SUV** (e.g., a well-maintained Toyota Land Cruiser or Subaru Ascent).

---

### **Recommendation**

- You **value driving enjoyment and aesthetics** over practicality.

- You **plan to maintain it properly** (regular oil changes, turbo checks, suspension inspections).

- You **don t mind higher running costs** for the thrill of owning a performance Italian SUV.

- You **find a well-documented example** with a **clean service history** (preferably with a **turbo upgrade or aftermarket support** if you want to push it further).

- You **need a reliable, low-maintenance vehicle** for daily use.

- You **prioritize fuel efficiency or long-term resale value**.

- You **plan to keep it for more than 100,000 miles** without major repairs.

- You **don t have access to Alfa Romeo specialists** for maintenance.

- If you want **similar performance but with better reliability**, look at a **BMW X5 M (F15) or Audi S Q5**.

- If you prefer **a more practical yet sporty SUV**, a **Porsche Macan Turbo or Genesis G80** could be worth evaluating.

- If you re **open to used luxury SUVs**, a **well-maintained Lexus LX or Mercedes GLE 430** offers better long-term reliability.

**Final Verdict:** The **2018 Stelvio Quadrifoglio is a fantastic car for the right owner** one who appreciates its quirks and is willing to invest in its upkeep. For most everyday drivers, however, the **pros may not outweigh the cons** when compared to more practical alternatives. **Get a thorough pre-purchase inspection** and **budget for potential future repairs** before committing.

Details:

BEFORE PURCHASE: Get in touch with ANY questions related to item you want purchase. This item is in full working condition. This item was previously used and may show some signs of imperfection. 8-Speed Auto 8HP50 Paint: PAH / QAH Brilliant White Trim: D7.

Everything can be resolved. Engine: EC2 - 2.0L DI Turbo W/ESS Transmission: DFW. Black Leather. The exact part number match is the only guarantee of fitment.

SAME-DAY SHIPPING: Purchase before 2PM EST.

part #: 73503891 prices

• $236.55-$1826.00

specifications cranshafengin:

• for makes: Alfa
• for years: 2018
• brand: Alfa Romeo
• mpn: 73503891
• part type: Crankshaft
• oe/oem part number: 03893544ab, 71779985
• material: Steel
• vintage part: No

seller cranshafengin:

• # reviews: 18671
• rating: 99.7%
• city: Newark, New Jersey

payments cranshafengin:

• credit card: Discover
• wallet: Paypal
• other

general cranshafengin:

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

shipping cranshafengin:

• type: Fixed
• transit: 3-7 Days
• class: Economy
• cost: $0.00
• service: Economy

returns cranshafengin:

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

offer cranshafengin:

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

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