SUBARU 407.SU1P23 Crosstrek Automatic Transmission Torque Converter

( Model: CROSSTREK ), ( Part Type: Torque Transmission Converter ), ( Conditions Options: 4, 2.0, At, Awd ), ( Genuine Oem: Yes ), ( Ipn: 407.su1p23 ), ( Manufacturer Warranty: 60 Day ), ( Partout Id: A-120575099 )

Review SUBARU Crosstrek Automatic Transmission Torque Converter fits 2021–2023

The **Subaru 407.SU1P23 Crosstrek Automatic Transmission Torque Converter** is a high-performance, precision-engineered component designed exclusively for the 2021, 2022, and 2023 model-year Subaru Crosstrek vehicles equipped with the **2.5L FB25H engine** and the **6-speed automatic transmission (SU1P23)**. This torque converter is a critical element of the transmission system, responsible for transferring power from the engine to the transmission while enabling smooth acceleration, efficient fuel economy, and optimal drivetrain performance. Crafted from durable, high-grade materials, including a robust **stamped steel housing** and a **multi-plate clutch assembly**, this torque converter is engineered to withstand the demanding conditions of daily driving, towing, and off-road adventures common for the Crosstrek s versatile AWD capabilities.

The **SU1P23 torque converter** features an advanced **lock-up clutch mechanism**, which enhances fuel efficiency by minimizing slippage between the converter and the turbine under steady-speed driving conditions. This design reduces parasitic losses, allowing the transmission to operate more efficiently while maintaining responsive throttle response. The **impeller and turbine blades** are precision-machined to optimize fluid dynamics, ensuring consistent power delivery and reducing heat buildup during aggressive driving or prolonged uphill climbs. Additionally, the converter incorporates a **high-capacity stator** to maximize torque multiplication, providing the necessary torque amplification for quick acceleration and improved towing performance when needed.

For Subaru enthusiasts seeking reliability and performance, this torque converter is a **direct-fit replacement** that maintains factory specifications, ensuring compatibility with the original transmission without the need for modifications. Whether you're upgrading after a transmission rebuild, replacing a worn-out unit, or maintaining your Crosstrek for optimal longevity, this torque converter delivers **superior durability, smooth engagement, and consistent performance** across all driving conditions. Built to meet Subaru s rigorous engineering standards, it is an essential component for preserving the drivetrain s efficiency and extending the life of the transmission system. With its **sealed bearing assembly and corrosion-resistant coatings**, it is also well-suited for vehicles exposed to harsh environments, including salted roads, dusty trails, or extreme temperatures.

### **Pros and Cons of Buying a 2021 2023 Subaru Crosstrek (SU1P23, Automatic Transmission, Torque Converter)**

#### **Pros**

1. **Reliability and Durability**

- Subaru s boxer engines (in this case, the 2.5L FB25 engine) are known for longevity, especially with proper maintenance. The automatic transmission (CVT in 2021 2022, traditional automatic in 2023) is generally robust, though CVTs require careful driving habits to avoid overheating.

- The AWD system is well-regarded for handling snow, mud, and rough terrain, making it a strong choice for all-weather driving.

2. **Fuel Efficiency**

- The 2023 Crosstrek (with the new traditional automatic) achieves **28 MPG city / 34 MPG highway**, an improvement over the CVT models. The 2021 2022 CVT versions still offer solid efficiency ( 26 28 MPG combined), though slightly less than the 2023.

- The turbocharged option (2023) provides better power without excessive fuel consumption.

3. **Safety Features**

- Standard **EyeSight Driver Assist** (adaptive cruise, lane-keep assist, pre-collision braking) enhances safety, especially in adverse conditions.

- High crash-test ratings from the NHTSA and IIHS make it a safe choice for families.

4. **Off-Road and Practicality**

- The **Symmetrical AWD** and available **X-MODE** (2023) improve off-road capability, making it versatile for light trails or snow.

- Spacious interior with **36.7 cu. ft. of cargo space** (expandable to 69.8 cu. ft. with seats folded) suits daily driving and occasional hauling.

5. **Resale Value**

- Subarus hold their value well, particularly in regions with harsh winters where AWD demand is high. The 2023 model may have a slight edge due to the new transmission and turbo option.

6. **Tech and Comfort**

- **Standard 7-inch touchscreen** (8-inch in higher trims) with Apple CarPlay/Android Auto.

- Comfortable ride quality, good visibility, and available **heated front seats** improve long-drive comfort.

---

#### **Cons**

1. **CVT Transmission (2021 2022 Models)**

- **Potential overheating and premature wear** if driven aggressively or in stop-and-go traffic. Some owners report transmission issues requiring costly repairs.

- **Less engaging driving feel** compared to a traditional automatic or manual transmission.

2. **2023 Transmission Shift (Traditional Automatic)**

- While an improvement over the CVT, some drivers report **sharper shifts** that may feel less smooth than expected.

- Early reports suggest **minor calibration issues** in some units, though Subaru has addressed these with updates.

3. **Maintenance Costs**

- **Subaru-specific parts** (e.g., timing belt, water pump, CVT fluid changes) can be expensive. The **timing belt must be replaced every 60K 105K miles** (varies by model year).

- **CVT fluid changes** (every 60K miles) are critical but often overlooked, leading to costly failures if neglected.

4. **Rust Concerns (Especially Older Models)**

- Subarus have a reputation for rust, particularly in snow-belt regions. **Check undercarriage, wheel wells, and rocker panels** for corrosion before buying.

- The 2023 model has **improved rust-resistant coatings**, but this doesn t fully eliminate the risk.

5. **Resale Depreciation (CVT Models)**

- The CVT transmission has historically **depreciated faster** than traditional automatics, which may affect long-term value.

6. **Limited Power (Non-Turbo Models)**

- The **2021 2022 2.5L FB25** produces **170 hp / 176 lb-ft**, which is adequate but not exciting for performance-focused buyers.

- The **2023 turbocharged 2.4L FB24T** (200 hp / 225 lb-ft) is an upgrade but still not as powerful as competitors like the Honda CR-V Turbo or Mazda CX-5 Turbo.

7. **Interior Quality**

- While functional, the **plastic-heavy interior** lacks the premium feel of rivals like Toyota or Mazda. Higher trims improve this slightly.

---

### **Conclusion**

The **2021 2023 Subaru Crosstrek** is a **strong choice for buyers prioritizing reliability, AWD capability, and practicality**, especially in regions with harsh winters. The **2023 model improves upon past iterations** with a **traditional automatic transmission, turbocharged option, and better fuel economy**, making it the best year in this range.

- **Best for:** Families, commuters, light off-roaders, and those who value Subaru s reputation for durability and safety.

- **Avoid if:** You dislike CVTs (2021 2022), want a sportier drive, or are in a rust-prone area without proper maintenance history.

### **Recommendation**

- **Avoid high-mileage CVT models** unless you re certain the transmission has been well-maintained.

- **Check service records** for CVT fluid changes and timing belt replacements.

- **Test drive in stop-and-go traffic** to ensure the CVT doesn t overheat.

- The **2023 Crosstrek with the traditional automatic and turbo option** is the **best value** in this lineup, offering **better fuel economy, smoother shifts, and more power**.

- Consider the **Premium or Limited trim** for added comfort and tech features.

- If you want **better fuel economy and lower maintenance concerns**, a **Toyota RAV4 Hybrid** or **Honda CR-V Hybrid** may be worth evaluating.

- If you prefer **more power and a sportier feel**, a **Mazda CX-5 Turbo** or **Subaru Forester Turbo** could be appealing.

**Final Verdict:** The **2023 Subaru Crosstrek (automatic, torque converter) is the safest and most refined choice** in this range, while older CVT models require **extra due diligence**. If you re in the market for a **reliable, capable AWD SUV**, the Crosstrek remains a **solid pick**, especially with proper maintenance planning.

Details:

Donor Vehicle - 2023 CROSSTREK. 4 ,2.0,AT,AWD. Stock Number - 2593. Torque converter.

It is stored in doors and ready to be shipped.

specifications torquconv:

• for makes: Subaru
• for years: 2021-2023
• model: Crosstrek
• part type: Torque Transmission Converter
• conditions options: 4, 2.0, At, Awd
• genuine oem: Yes
• ipn: 407.su1p23
• manufacturer warranty: 60 Day
• partout id: A-120575099

shipping torquconv:

• cost: $0.00
• type: Fixed
• carrier: UPS
• transit: 2-4 Days
• service: UPS Ground
• class: Standard

general torquconv:

• Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters
• condition: Used

payments torquconv:

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

offer torquconv:

• options: Ship-to-home
• started: March 30, 2026
• quantity: 1
• availability: In Stock
• best offers: True
• sold: 0

returns torquconv:

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

seller torquconv:

• rating: 99.7%
• city: Sauk Centre, Minnesota
• # reviews: 28505

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