1. Engine Crankshafts Products
  2. sku: 18985363840480881
  3. EQUIPMENT W0133-1767958-OEA

ORIGINAL EQUIPMENT W0133-1767958-OEA Rear Crankshaft Seal

fits model: 911. make: Porsche. year: 2004–2011.

W0133-1767958-oea Original Equipment For Porsche 911 2004-2011 Rear Crankshaft Seal

( Brand: Original Equipment ), ( Manufacturer Part Number: W0133-1767958-OEA ), ( Part Type: Seal Crankshaft ), ( Product Type: Engine ), ( California Prop 65 Warning: Cancer And Reproductive Harm ), ( Fitment Type: Direct Replacement ), ( Product Subtype: Crankshafts ), ( Product Details: Engine Crankshaft Seal ), ( Department: Replacement )

Review ORIGINAL EQUIPMENT Porsche Rear Crankshaft Seal fits 911 2004–2011

The **W0133-1767958-OEA** rear crankshaft seal is a precision-engineered component specifically designed for Porsche 911 models produced between 2004 and 2011, covering the iconic **997 generation** (including the 997.1, 997.2, and 997.3 facelifts). This high-performance seal is crafted to meet the demanding requirements of Porsche s legendary 911 engines, ensuring optimal reliability, durability, and leak resistance in the critical rear main bearing housing area. Engineered from **high-grade nitrile rubber reinforced with fiberglass and steel wire**, this seal is formulated to withstand extreme temperatures, high oil pressures, and the aggressive mechanical stresses inherent in high-revving, turbocharged, or naturally aspirated 911 engines ranging from the 3.6L flat-six to the 3.8L supercharged units. The **O-ring lip design** provides a tight, self-sealing interface against the crankshaft, minimizing oil leakage while maintaining smooth operation, even under prolonged high-load conditions. Compatible with both **wet and dry sump applications**, this seal is meticulously machined to Porsche s exacting tolerances, featuring a **precision-ground lip** that ensures a perfect fit on the crankshaft journal, reducing the risk of premature wear or failure. Whether installed in a stock engine or a heavily modified performance build, this seal delivers the robustness and longevity expected from an OE (Original Equipment) quality part, helping to preserve the integrity of the engine s internal components and extend the lifespan of the rear main housing. For enthusiasts and mechanics seeking a direct replacement that restores factory-level performance and reliability, the **W0133-1767958-OEA** rear crankshaft seal is an indispensable choice.

### **Pros and Cons of buying a W0133-1767958-OEA Rear Crankshaft Seal for a 2004 2011 Porsche 911**

#### **Pros:**

1. **OEM Quality** This is a genuine Porsche part, meaning it meets the manufacturer s exact specifications for fit, performance, and durability. OEM components are designed to match the original equipment, reducing the risk of compatibility issues or premature failure.

2. **Reliability** Porsche OEM parts are engineered to withstand the high stresses of the 911 s engine, particularly the rear main seal, which is critical for preventing oil leaks and maintaining engine longevity.

3. **Warranty Coverage** Purchasing directly from Porsche or an authorized dealer often includes warranty protection, providing peace of mind against defects or early wear.

4. **Long-Term Cost Savings** While the upfront cost may be higher than aftermarket alternatives, an OEM seal reduces the likelihood of repeated failures, saving money on labor and potential engine damage from leaks.

5. **Precision Fit** The part is designed to fit perfectly without modifications, ensuring a proper seal and minimizing the risk of installation errors that could lead to leaks.

6. **Resale Value** Keeping the vehicle in top condition with OEM parts can help maintain its value, especially if you plan to sell or trade it in the future.

#### **Cons:**

1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of this seal alone can be several times higher than a comparable aftermarket option, increasing the overall labor cost if you re not doing the work yourself.

2. **Limited Availability** Depending on the region, sourcing OEM parts may require ordering through Porsche dealerships or specialized suppliers, which can add delays or require extra effort.

3. **Potential Overkill for Some Owners** If the seal failure is minor or the engine is near the end of its lifespan, some owners may prefer to opt for a more budget-friendly aftermarket seal to save money without sacrificing too much on performance.

4. **Installation Complexity** Replacing a rear crankshaft seal is a labor-intensive job that often requires specialized tools and experience. If you re not comfortable with engine work, the cost of professional installation will be high, further adding to the expense.

5. **Environmental and Ethical Considerations** OEM parts are new but may contribute to waste if the original part was still serviceable. Some owners prefer aftermarket or refurbished parts to reduce environmental impact.

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### **Conclusion**

The **W0133-1767958-OEA rear crankshaft seal** is the best choice for owners who prioritize **reliability, longevity, and peace of mind**. It ensures a perfect fit, minimizes the risk of leaks, and aligns with Porsche s engineering standards. However, the **high cost** and **complex installation** make it less ideal for those on a tight budget or those who are not prepared for the labor involved.

For most **2004 2011 911 owners**, especially those who value their vehicle s performance and longevity, the OEM seal is the **recommended choice**. If budget is a major concern, a **high-quality aftermarket seal** (from reputable brands like **Fel-Pro, Sealed Power, or Viper**) can be a viable alternative, provided it meets Porsche s specifications and has strong reviews for durability.

**Final Recommendation:**

- **If you can afford it and want the best long-term solution, buy the OEM seal.**

- **If cost is a factor, research a premium aftermarket seal with a strong track record for your specific 911 model year, but ensure it s compatible and has good reviews.** Always verify the seal s material (e.g., nitrile or EPDM) and installation requirements before purchasing.

Details:

They are manufactured from the finest materials according to strict OEM specifications, so they look, fit, and function exactly like parts dealer. Engineered to offer a perfect fit and trouble-free installation. They will install easily and fit perfectly. They are very easy to install and offer exceptional wear tear resistance.

Rear Crankshaft Seal by Original Equipment. Highly resistant to wear and tear, Original Equipment products are sure offer dependable operation for a long time. Be sure you won't spot any difference between these parts and genuine. Don't want to spend a fortune make your vehicle look and perform the way it was designed.

Features: Perfect replacement for your damaged or worn out original part. So why not get OEM quality at an affordable price with Original Equipment Parts. Looking for high-quality replacement parts to restore the performance of your vehicle. Then Original Equipment automotive parts are for you.

Specifications: Size: 90 x 110 12mm. Proven to meet exact specifications of the original manufacturer. No modifications required.

part #: w01331767958 price

  • $142.97

specifications cranshafengin:

  • for models: 911
  • for makes: Porsche
  • for years: 2004-2011
  • brand: Original Equipment
  • mpn: W0133-1767958-oea
  • part type: Seal Crankshaft
  • product type: Engine
  • california prop 65 warning: Cancer And Reproductive Harm
  • fitment type: Direct Replacement
  • product subtype: Crankshafts
  • product details: Engine Crankshaft Seal
  • department: Replacement

seller cranshafengin:

  • city: Shawnee, Kansas
  • # reviews: 8498
  • rating: 99.6%

shipping cranshafengin:

  • class: Standard
  • carrier: UPS
  • service: UPS Ground
  • type: Fixed
  • cost: $11.00
  • transit: 4-9 Days

general cranshafengin:

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

payments cranshafengin:

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

returns cranshafengin:

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

offer cranshafengin:

  • quantity: 5
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: February 22, 2026
for models: 911, for makes: porsche, for years: 2004-2011, part type: seal crankshaft, product type: engine, california prop 65 warning: cancer and reproductive harm, fitment type: direct replacement, product subtype: crankshafts, product details: engine crankshaft seal, department: replacement,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 18985363840480881,
Original Equipment W0133-1767958 Is Similar To:
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1 offer $142.97 USD
  • New. Offer #1 priced at $142.97 + $15.00 shipping estimate = $157.97* total. They are very easy to install and offer exceptional wear and tear resistance. Rear Crankshaft Seal by Original Equipment .+$15.00 shipping

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