SUBARU 42012SA043 Fuel Gas Tank 2.5

( Manufacturer Part Number: 42012SA043 ), ( Shape: Formed ), ( Items Included: Tank ), ( Material: Steel ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Fuel Type: Gasoline ), ( Type: Fuel Tank ), ( Capacity: 16 Gal ), ( Features: Double-walled Hose, Dual Coat ), ( Country Of Origin: Japan )

Review SUBARU Sedan 2.5 Fuel Gas Tank fits IMPREZA RS 2005–2007

The **Subaru 42012SA043 fuel gas tank** is a high-quality, direct-fit replacement part designed specifically for the **2005-2007 Subaru Impreza 2.5 (2ZZ-FE engine)**, ensuring a seamless upgrade or repair for this popular compact sedan. Crafted from durable, corrosion-resistant materials, this tank is engineered to meet or exceed OEM standards, providing reliable fuel storage and delivery while maintaining the vehicle s original performance and efficiency. The tank features a precise fitment, accounting for the unique underbody clearance and mounting points of the Impreza s fuel system, eliminating the need for modifications or adjustments. Its robust construction prevents leaks, cracks, or deformation under normal driving conditions, ensuring long-term durability even in varying weather and road environments. Whether replacing a damaged or worn-out original tank or upgrading for enhanced fuel capacity and stability, this aftermarket part offers a cost-effective solution without compromising on quality. Compatible with standard fuel lines, clamps, and sensors, it integrates effortlessly into the vehicle s existing fuel system, making installation straightforward for both DIY enthusiasts and professional mechanics. Built to withstand the demands of daily driving, this tank is an essential component for maintaining the reliability and performance of your Subaru Impreza, ensuring smooth operation and peace of mind on every journey.

### **Pros and Cons of Buying a 2005-2007 Subaru Impreza 2.5 (Fuel Gas Tank, VIN 42012SA043)**

#### **Pros**

1. **Reliability and Durability** The Subaru Impreza 2.5 (EA82 engine) is known for its robust construction, particularly in the boxer engine design, which is less prone to catastrophic failure compared to inline engines. Many examples last well beyond 200,000 miles with proper maintenance.

2. **AWD Standard** The Impreza comes standard with Subaru s Symmetrical All-Wheel Drive (AWD), making it a strong choice for drivers in snowy, rainy, or rough-terrain conditions. This is a significant advantage over FWD or RWD competitors.

3. **Fuel Economy** The 2.5L engine offers decent fuel efficiency for its class, averaging around **20-25 MPG combined** (city/highway), which is reasonable for a compact SUV or hatchback of its era.

4. **Resale Value** Subarus, especially AWD models, tend to hold their value better than many domestic or Japanese competitors due to their reputation for reliability and off-road capability.

5. **Modding Potential** The EA82 engine is a popular choice among tuners, with aftermarket support for turbocharging, forced induction, and suspension upgrades. This makes it a good platform for enthusiasts.

6. **Safety Features** Later models (2006-2007) include **standard stability control, anti-lock brakes (ABS), and side curtain airbags**, which were common safety upgrades for the time.

7. **Low-Cost Parts** Being a discontinued model, parts are still relatively affordable, though availability may decrease over time.

8. **Versatile Body Styles** The Impreza was available as a **hatchback, wagon (Outback), or sedan**, allowing buyers to choose based on cargo space and practicality needs.

9. **Proven Long-Term Performance** Many EA82 engines have been known to last **300,000 miles** with regular maintenance, especially if the owner has kept up with **timing belt changes, oil changes, and cooling system upkeep**.

10. **Off-Road Capability** While not a true off-roader, the AWD and higher ground clearance (especially in wagon form) make it capable of handling light trails and rough terrain better than most competitors.

---

#### **Cons**

1. **Fuel Gas Tank (Ethanol Blend Issues)** The most significant drawback of this specific vehicle is its **fuel tank design**, which was prone to **ethanol corrosion** in early 2000s Subarus. Ethanol (E10 or higher) can degrade plastic fuel tanks over time, leading to **leaks, cracks, or complete failure**. This is a **major concern** and requires:

- **Verification that the tank has been replaced** (if it was a common failure point in this VIN range).

- **Inspection for ethanol damage** (rust, bulging, or leaks).

- **Potential need for a new tank** (costs **$500 $1,200 ** installed), which could make the purchase less attractive.

2. **Timing Belt & Water Pump Failure Risk** The EA82 engine is **interference-type**, meaning a failed timing belt can cause **serious engine damage**. Many owners report **water pump failures** around **100,000 150,000 miles**, which can lead to overheating if not addressed. **Regular belt/water pump replacements (every 60,000 100,000 miles) are critical.**

3. **Rust Concerns** Older Subarus (especially in snowy or coastal regions) are prone to **frame and subframe rust**. A thorough inspection of the **wheel wells, rocker panels, and undercarriage** is essential.

4. **Transmission Issues (Manual vs. Automatic)**

- **Manual transmissions** are generally reliable but can develop **clutch wear** over time.

- **Automatic transmissions** (especially in early models) have had reports of **slippage, rough shifting, or solenoid failures** check service history for transmission fluid changes.

5. **Head Gasket Failures (Less Common but Possible)** While not as frequent as in some other engines, **head gasket leaks** can occur, especially if the engine was overheated. Look for **milky oil, coolant in the oil cap, or white smoke from the exhaust**.

6. **Interior Wear & Aging** The **plastic interior materials** (especially in older models) can become brittle and crack over time. Check for **cracked dashboards, worn seats, or failing electrical components** (power windows, locks).

- **Airbag issues** (Takata-related, though this VIN may not be affected).

- **Coolant leaks** (due to a faulty thermostat housing).

- **Rear brake light wiring** (common in early models).

- **Check for any unresolved recalls** before purchasing.

8. **Higher Maintenance Costs Than Some Competitors** While parts are affordable, **labor costs** (especially in dealerships) can be higher than for Japanese or Korean imports. Independent mechanics may offer better rates but require verification of their expertise with Subarus.

9. **Limited Modern Tech** Compared to newer vehicles, this model lacks **modern safety features (forward collision warning, lane-keeping assist), advanced infotainment, or fuel efficiency improvements** found in later Subarus.

10. **Depreciation** While Subarus hold value better than many, this is a **15 year-old vehicle**, meaning it will not appreciate and may require **more frequent repairs** as it ages.

---

### **Key Inspection Checklist Before Buying**

**Fuel tank** Check for leaks, bulging, or ethanol corrosion. If the tank is original, assume it may need replacement.

**Timing belt & water pump** Confirm the last replacement date (should be **under 60,000 miles** if never done).

**Coolant system** Look for **rust in the radiator, hoses, or expansion tank**. Check for **coolant leaks** under the hood.

**Transmission** Test for **smooth shifting, no slipping, and proper fluid level/color** (should be **reddish and clean**).

**Rust** Inspect **wheel wells, rocker panels, subframe, and undercarriage** for corrosion.

**Suspension & Steering** Check for **worn bushings, ball joints, or excessive play in the steering**.

**Electrical System** Test **all lights, windows, locks, and electronics** (especially if the car has been stored).

**Service Records** Request **full maintenance history**, including **oil changes, belt replacements, and major repairs**.

**Test Drive** Listen for **unusual noises (knocking, whining, rattles)** and check for **smooth acceleration, braking, and handling**.

---

### **Conclusion & Recommendation**

You **prioritize reliability and AWD** over modern tech.

The **fuel tank has been replaced** (or you re prepared to do it).

The **timing belt, water pump, and transmission** have been properly maintained.

You **don t mind basic wear and tear** (interior, minor rust).

You **plan to keep it for 100,000 miles** with proper upkeep.

You **enjoy the modding community** and want a tunable platform.

The **fuel tank is original and shows signs of ethanol damage**.

The **timing belt or water pump is overdue for replacement**.

The **seller cannot provide full maintenance records**.

You **need a vehicle with modern safety or tech features**.

You **can t afford potential future repairs** (especially transmission or cooling system issues).

- The **fuel tank has been professionally replaced** (or you re willing to do it immediately).

- The **timing belt, water pump, and transmission** are in good condition.

- The **seller provides a clean maintenance history** and allows a **pre-purchase inspection**.

**If these conditions are met, it s a solid choice** for a **reliable, capable, and mod-friendly daily driver or project car**. However, **if the fuel tank is original or the car lacks proper maintenance records, it s a high-risk purchase** that could lead to **expensive repairs down the line**.

- If the fuel tank is a concern, look for a **2008 Impreza**

Details:

Comes with pump and sender. It is highly recommended to have all timing belt kits/head gaskets/spark plugs/oil pan gaskets and any other preventative maintenance items be performed before installation. 2005 Subaru Impreza 2.5 Rs sedan. Item may show signs of scuffs or scratches.

Oem fuel gas tank assembly. Hardware and gaskets not included. Automatic transmission model. Item may have imperfections from being a used item.

Item is in good used working condition. 93,805 miles on donor vehicle. Part number 42012SA043.

part #: 42012sa043 prices

• $275.69-$799.99

specifications fueltanksysteme:

• for models: Rs, Impreza
• for makes: Subaru
• for years: 2005-2007
• mpn: 42012sa043
• shape: Formed
• items included: Tank
• material: Steel
• vintage part: No
• placement on vehicle: Rear
• fuel type: Gasoline
• type: Fuel Tank
• capacity: 16 Gal
• features: Double-walled Hose, Dual Coat
• country of origin: Japan

payments fueltanksysteme:

• wallet: Paypal
• other
• credit card: Diners-club

seller fueltanksysteme:

• rating: 99.6%
• city: Shirley, Massachusetts
• # reviews: 586

offer fueltanksysteme:

• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• started: May 16, 2026
• sold: 0

general fueltanksysteme:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

returns fueltanksysteme:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

shipping fueltanksysteme:

• service: UPS Ground
• class: Standard
• carrier: UPS
• transit: 5-13 Days
• type: Fixed
• cost: $0.00

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