SUBARU 303.SU1O24 Engine Crankshaft Crank Shaft

( Model: IMPREZA ), ( Part Type: Engine Crankshaft Crank Shaft ), ( Conditions Options: 4, 2.0, At, Awd ), ( Genuine Oem: Yes ), ( Ipn: 303.su1o24 ), ( Descriptionpartcondition: The Pictures Are Of The Exact Part You Will Recieve. This Is A Hi ), ( Manufacturer Warranty: 60 Day )

Review SUBARU Engine Crankshaft Crank Shaft Oem fits IMPREZA 303 2024

The **2024 Subaru 303.SU1O24 Impreza Engine Crankshaft** is a precision-engineered component designed to deliver uncompromising performance and reliability within the high-revving, turbocharged FA24S engine architecture found in the latest generation of Subaru s iconic Impreza lineup. Crafted from **high-grade forged steel**, this crankshaft is meticulously machined to exacting tolerances, ensuring optimal balance, durability, and resistance to the extreme stresses encountered in forced-induction applications. The **SU1O24 designation** signifies its compatibility with the 2024 model year, incorporating subtle refinements in material composition and surface treatments to enhance fatigue resistance and minimize wear under sustained high-RPM conditions. Featuring a **five-main-bearing journal design**, this crankshaft is engineered to support the torque demands of the turbocharged FA24S engine while maintaining smooth operation across the entire rev range, from low-end torque delivery to aggressive overboost scenarios. The **counterweights are dynamically balanced** to mitigate vibration, contributing to a refined driving experience and prolonging the lifespan of associated drivetrain components. Whether installed in a stock-tuned or heavily modified setup, this crankshaft is built to withstand the rigors of daily driving, track use, or high-performance builds, ensuring consistent power delivery and structural integrity. For enthusiasts seeking to maximize the potential of their 2024 Impreza, this crankshaft represents a critical upgrade combining Subaru s legacy of engineering excellence with modern advancements in metallurgy and machining technology.

### **Pros and Cons of Buying a 2024 Subaru 303 (SU1024 Impreza Engine Crankshaft)**

#### **Pros**

1. **High Performance Potential** The SU1024 engine, based on Subaru s proven FA20 series, is a naturally aspirated 2.0-liter boxer engine that delivers strong torque and power, especially when tuned. It is known for its durability and ability to handle modifications, making it a favorite among enthusiasts.

2. **Proven Reliability** Subaru s boxer engines have a long history of reliability, particularly in the FA series. The SU1024 is an evolution of this design, incorporating modern refinements in materials and manufacturing to improve longevity.

3. **Aftermarket Support** The SU1024 engine benefits from a strong aftermarket presence, with widely available parts for tuning, upgrades, and maintenance. This includes high-flow intake manifolds, exhaust systems, turbocharging kits, and performance chips.

4. **Modularity and Tuning Flexibility** The engine s design allows for relatively straightforward modifications, such as forced induction (turbo or supercharger), high-performance camshafts, and upgraded internals. This makes it ideal for both street and track use.

5. **Subaru s Brand Strength** Subaru s reputation for ruggedness and all-wheel-drive capability remains strong. The Impreza platform is well-regarded for its handling and drivetrain reliability, which complements the engine s performance.

6. **Potential for High Value Retention** If sourced from a reputable dealer or private seller with a clean history, a 2024 SU1024 engine could retain its value well, especially if demand for performance Subarus remains high.

7. **Ease of Maintenance** Subaru engines are generally straightforward to work on, with accessible components and a wealth of online resources (forums, YouTube tutorials) for DIY enthusiasts.

---

#### **Cons**

1. **Cost of Purchase and Modifications** The SU1024 engine, especially in a 2024 model, may come with a premium price tag, particularly if sourced from a high-end tuner or performance-focused dealer. Additionally, high-performance modifications (turbocharging, upgraded internals) can be expensive.

2. **Potential for Early Wear** While Subaru engines are durable, a brand-new or lightly used 2024 engine may not have the same level of wear-in as an older, well-maintained unit. If purchased without a full service history, there could be hidden issues.

3. **Limited Stock Availability** As a newer engine variant, the SU1024 may not be as widely available as older FA20 engines. This could make sourcing parts or finding a suitable unit more challenging.

4. **Fuel Economy Trade-Offs** Naturally aspirated engines like the SU1024 will not match the fuel efficiency of turbocharged or hybrid alternatives. If fuel economy is a priority, this engine may not be the best choice.

5. **Depreciation Risk** Like all performance-oriented vehicles, the SU1024 engine may depreciate faster than standard models, especially if market trends shift away from naturally aspirated engines.

6. **Potential for Overbuilding** Without proper tuning and supporting modifications (e.g., upgraded clutch, transmission, suspension), pushing the engine too hard can lead to premature failure. This requires careful planning and expertise.

7. **Resale Value Uncertainty** While Subarus hold their value reasonably well, the resale market for heavily modified or high-performance variants can be unpredictable. Buyers should consider whether they plan to keep the engine long-term or sell it later.

---

### **Conclusion**

The **2024 Subaru SU1024 Impreza engine** is an excellent choice for enthusiasts seeking a high-performance, naturally aspirated boxer engine with strong aftermarket support and proven reliability. Its modularity and tuning potential make it ideal for both street and track applications, while Subaru s brand reputation ensures durability. However, the upfront cost, potential for early wear, and the need for careful modification planning are factors to consider.

If you are an experienced mechanic or tuner with a clear plan for modifications and maintenance, the SU1024 is a **strong recommendation** for performance-focused applications. For casual buyers or those prioritizing fuel efficiency, alternative engines (such as turbocharged or hybrid options) may be more suitable.

- You are committed to proper tuning and supporting modifications.

- You value naturally aspirated performance and Subaru s reliability.

- You plan to use it in a project where longevity and high power output are priorities.

- You are on a tight budget and cannot afford high-performance upgrades.

- You lack experience with engine modifications or maintenance.

- Fuel efficiency is a higher priority than raw power.

Details:

4 ,2.0,AT,AWD. Stock Number - 2446. It is stored in doors and ready to be shipped. Donor Vehicle - 2024 IMPREZA.

specifications cranshafengin:

• for models: 303, Impreza
• for makes: Subaru
• for years: 2024
• model: Impreza
• part type: Engine Crankshaft Crank Shaft
• conditions options: 4, 2.0, At, Awd
• genuine oem: Yes
• ipn: 303.su1o24
• descriptionpartcondition: The Pictures Are Of The Exact Part You Will Recieve. This Is A Hi
• manufacturer warranty: 60 Day

seller cranshafengin:

• rating: 99.6%
• city: Sauk Centre, Minnesota
• # reviews: 26817

general cranshafengin:

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

offer cranshafengin:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True
• started: February 2, 2026

returns cranshafengin:

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

shipping cranshafengin:

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

payments cranshafengin:

• other
• credit card: Discover
• wallet: Paypal

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