SUBARU 42066SA090 Filler Pipe

( Manufacturer Part Number: 42066SA090 ), ( Part Type: Pipe Filler ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2003 2004 2005 2006 2007 2008 ), ( Parts Included: Only Part Reference 7 On The Diagram Is Included ), ( Replaces Part Number: 42066sa050 ), ( Placement On Vehicle: Upper )

Review SUBARU Genuine Filler Pipe fits FORESTER 2003–2008

The **Subaru 42066SA090 Filler Pipe** is a precision-engineered component designed specifically for Subaru vehicles equipped with the **EJ25 series turbocharged engines**, including models like the **WRX, STI, Legacy, Outback, and Forester** from the late 1990s through the early 2010s. This high-quality filler pipe serves as a critical link between the **turbocharger s wastegate and the intake manifold**, ensuring optimal airflow while maintaining system integrity under high-pressure conditions. Crafted from **durable, heat-resistant aluminum**, this pipe is engineered to withstand the intense thermal and mechanical stresses of forced induction, preventing leaks, warping, or premature failure common issues that can compromise engine performance and efficiency. Its **smooth, precision-machined interior** minimizes turbulence, allowing for cleaner, more consistent airflow into the intake system, which directly contributes to improved throttle response, better turbo spool-up times, and enhanced overall power delivery. The **OEM-style design** ensures a seamless fit with stock components, while its **reinforced mounting points** and **robust gasket sealing** help prevent vacuum leaks that could otherwise disrupt engine balance. Whether installed as part of a **turbo upgrade, intake system refresh, or routine maintenance**, this filler pipe is an essential upgrade for enthusiasts seeking to restore factory performance or enhance their Subaru s turbocharged driving experience. Built to meet or exceed original equipment standards, it is a reliable choice for both stock and modified applications, ensuring long-term reliability and peace of mind for drivers who demand precision and performance from their Subaru s turbocharged heart.

Buying a **Subaru 42066SA090 filler pipe** (also known as a **brake filler pipe** or **bleeder valve pipe**) involves weighing several factors depending on your needs, budget, and the condition of your vehicle. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

---

### **Pros of Buying a Subaru 42066SA090 Filler Pipe**

1. **OEM Quality and Fit**

The Subaru 42066SA090 is an original equipment manufacturer (OEM) part, meaning it is designed specifically for Subaru vehicles. This ensures a precise fit with no modifications required, reducing the risk of leaks or improper installation. OEM parts are also built to Subaru s engineering standards, which often align with reliability expectations.

2. **Reliability and Durability**

OEM parts are typically made from high-quality materials and undergo rigorous testing before being sold. This can result in a longer lifespan compared to aftermarket alternatives, especially if the part is not frequently subjected to extreme stress (e.g., aggressive bleeding procedures or improper handling). The filler pipe is a relatively simple component, but its integrity is critical for brake system functionality.

3. **Warranty Coverage**

If you purchase the part directly from Subaru or an authorized dealer, it may come with a warranty, providing peace of mind in case of defects. Aftermarket parts often lack such guarantees, leaving you responsible for any issues that arise.

4. **Ease of Installation**

Since the part is designed for your specific vehicle model, installation is straightforward and doesn t require additional adapters or modifications. This can save time and reduce the likelihood of mistakes during DIY repairs.

5. **Compatibility with Brake Systems**

The filler pipe connects to the brake master cylinder and is essential for bleeding the brake system. An OEM part ensures compatibility with your vehicle s brake fluid lines and pressure requirements, which is critical for safe braking performance.

6. **Resale Value**

If you plan to sell or trade in your vehicle in the future, having OEM parts (including the filler pipe) can positively influence the resale value, as buyers often prefer vehicles with original components.

---

### **Cons of Buying a Subaru 42066SA090 Filler Pipe**

1. **Higher Cost**

OEM parts are generally more expensive than aftermarket alternatives. The Subaru 42066SA090 filler pipe may cost significantly more than a comparable aftermarket part, which could be a deterrent if you re working on a tight budget. For example, an OEM part might cost $20 $40, while an aftermarket version could range from $5 $15.

2. **Limited Availability**

OEM parts may not always be readily available at local auto parts stores, especially if you re not near a Subaru dealership. You might need to order it online, which could involve shipping delays or higher costs due to logistics.

3. **Overkill for Minor Repairs**

If the filler pipe is only damaged or worn due to a minor issue (e.g., a small crack or corrosion), replacing the entire OEM part might be excessive. In such cases, an aftermarket part or even a DIY repair (e.g., soldering or replacing just the damaged section) could be a more cost-effective solution.

4. **Potential for Counterfeit OEM Parts**

When purchasing OEM parts from third-party sellers (e.g., eBay, Amazon, or non-authorized dealers), there is a risk of receiving counterfeit or low-quality parts that do not meet Subaru s standards. This can compromise performance and safety. Always verify the seller s reputation and part authenticity.

5. **Environmental and Ethical Concerns**

OEM parts are often sourced from new manufacturing, which may have environmental implications (e.g., resource extraction, energy use). If sustainability is a priority, you might consider aftermarket parts made from recycled materials or remanufactured components.

6. **No Customization Options**

Unlike aftermarket parts, OEM filler pipes do not offer customization options (e.g., different materials, colors, or performance enhancements). If you re looking for a part with specific features (e.g., reinforced for high-performance braking), you may need to explore aftermarket alternatives.

---

### **Conclusion**

The decision to buy the **Subaru 42066SA090 filler pipe** as an OEM part depends on your priorities. If **reliability, warranty coverage, and peace of mind** are your top concerns especially if you re performing a major brake system overhaul or maintaining your vehicle s value then the OEM part is a strong choice. It ensures a perfect fit, compatibility, and adherence to Subaru s engineering standards.

However, if you re on a **tight budget, dealing with a minor issue, or prioritizing sustainability**, an aftermarket alternative or a targeted repair might be more practical. Aftermarket parts can offer similar functionality at a fraction of the cost, provided you choose a reputable brand (e.g., ACDelco, Bosch, or Dorman). Always ensure the aftermarket part meets or exceeds OEM specifications for safety-critical components like brake filler pipes.

---

### **Recommendation**

Purchase the **Subaru 42066SA090 OEM filler pipe** from an authorized Subaru dealer or a trusted online retailer (e.g., RockAuto, Amazon, or Subaru s official website). Verify the part s authenticity to avoid counterfeits. This ensures long-term reliability and compatibility.

Consider an **aftermarket equivalent** (e.g., part number **ACDelco 12A120**, **Bosch 1 987 432 001**, or **Dorman 500-120**). These parts are widely available, cost-effective, and often meet or exceed OEM standards. Ensure the aftermarket part is designed for Subaru vehicles and has positive reviews for durability.

Inspect the existing filler pipe for cracks, corrosion, or leaks. If the damage is isolated (e.g., a small crack that can be soldered or sealed), you might repair it instead of replacing the entire part. For DIY repairs, use **brake-specific solder** and follow proper procedures to avoid weakening the pipe.

The brake system is critical to your vehicle s safety. If you re not confident in your ability to install or repair the filler pipe correctly, consult a professional mechanic. Improper installation can lead to brake failure, which is a severe safety risk.

For most drivers, the **Subaru 42066SA090 OEM filler pipe is the best choice** if you value reliability and warranty protection. However, if cost or minor repairs are the primary concern, a high-quality aftermarket alternative is a reasonable substitute. Always ensure the part you choose is compatible with your vehicle s brake system.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable. Parts must be resalable and in the original packaging. US shipping only, no combined.

part #: 42066sa090 prices

• $131.34-$146.12

specifications fueltanksysteme:

• for models: Forester
• for makes: Subaru
• for years: 2003-2008
• mpn: 42066sa090
• part type: Pipe Filler
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2003 2004 2005 2006 2007 2008
• parts included: Only Part Reference 7 On The Diagram Is Included
• replaces part number: 42066sa050
• placement on vehicle: Upper

general fueltanksysteme:

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

payments fueltanksysteme:

• credit card: Mastercard
• other
• wallet: Paypal

seller fueltanksysteme:

• rating: 99.8%
• # reviews: 1776
• city: Walnut Creek, California

returns fueltanksysteme:

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

offer fueltanksysteme:

• options: Ship-to-home
• started: May 22, 2026
• availability: In Stock
• quantity: 1
• sold: 0

shipping fueltanksysteme:

• cost: $23.17
• transit: 6-12 Days
• type: Fixed
• class: Standard, Expedited
• service: Standard, Expedited

Subaru 42066SA090 Is Similar To:

• 19730048435 Subaru Forester Fuel Tank Filler Neck Tube Pipe Saucer Pocket (38.2% similar) If commercial address is considered as restricted access, theres an extra charge around 80 varies by carrier. Please inquire when providing commercial address. 48 states only. Kindly ask questions before offer ends. States only. For items with free shipping, shipping is within the continental us. If...(July 18th, 2018)
• 2003-08 Subaru Forester Fuel Filler (44.4% similar) The main contact method is by using message feature. If you live outside of the lower 48 please for a shipping quote...(February 13th, 2018)
• 42066ae010 42066ae140 42066ae150 42066ae180 Subaru Oem Fuel Tank Filler Pipe Gas Neck Legacy Impreza (32.1% similar) I'll give you a good deal since, presumably, you're already buying something. It is good to re-use. Do not go solely by parts compatibility worksheet. It has been cleaned and inspected subaru oem fuel tank filler pipe gas neck legacy impress outback baa this piper was removed from my 2003 sedan. ...(August 9th, 2018)
• 42066va000 Subaru Wrx Sti Fuel Filler Neck Tube Pipe Gas Tank (44.9% similar) Shipping prices are figured on the lower 48 states only...(March 28th, 2019)
• 51478aj010 Subaru Legacy Fuel Tank Filler Neck Oem (43.7% similar) What you see in the photos is will receive. Shipping prices for ground apply only to the continental states of united. Shipping item is available for pickup locally please the address. Please match part number to ensure fitment. All electronic items are tested before being listed. As a result of it ...(October 30th, 2018)
• 51478al01c Subaru Oem Tank Filler Neck Tube Pipe (49.4% similar) Est, Mon to Fri. All airbag modules are also non returnable...(March 7th, 2018)
• 51478fj000 Subaru Oem Tank Filler Neck Tube Pipe (49.4% similar) ...(April 27th, 2018)
• 577-085 Dorman Fuel Filler Neck For Subaru Impreza Legacy (29.8% similar) Electronic items are not returnable. Material: steel package contents: fuel filler neck mpn: 577-085FILLER neck cap included: no brand: doorman length in: 26. This e-mail is constantly monitored so you can be sure your questions will answered promptly and courteously...(July 29th, 2018)
• 86618al00a Subaru Genuine Sensor Level (50.7% similar) Shipping carrier substitutions may be made at our determination in an attempt to reduce cost the customer. Parts must be resalable and in the original packaging. Electrical parts are not returnable...(March 7th, 2018)
• 86631fl00a Subaru Genuine Tank (44.8% similar) All cores must be shipped to: sybarites. In stock orders ship within 24 hours. Orders are shipped when they complete only. And sybarites. Electrical parts are not returnable. Shipping carrier substitutions may be made at our determination in an attempt to reduce cost the customer. You can trust ...(March 8th, 2018)
• W0133-1797161 Central Fuel Tank Sending Unit Genuine Fits Subaru Outback (25.7% similar) Sedan 4-DOOR, base sport utility wagon limited spec. Brands: voltaic inc...(July 6th, 2018)