1. Engine Crankshafts Products
  2. sku: 19760945196278603
  3. VICTOR REINZ 11953SWNZ

VICTOR REINZ 11953SWNZ Crankshaft Seal Rear

fits make: Bmw. year: 2008–2009.

11953swnz Victor Reinz For 2008-2009 Bmw 128i Crankshaft Seal Rear

( Brand: Victor Reinz ), ( Manufacturer Part Number: 11953SWNZ ), ( Part Type: Seal Crankshaft ), ( Placement On Vehicle: Rear ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Crankshaft Seal ), ( Years: 2009 2008 ), ( Application: Bmw 128i Crankshaft Seal ), ( Product Name 2: Engine Crankshaft Seal ), ( Cs-sku: 400 )

Review VICTOR REINZ Bmw Crankshaft Seal Rear fits 128I 2008–2009

The **Victor Reinz 11953SWNZ** is a high-performance, precision-engineered crankshaft seal designed specifically for the **2008 2009 BMW 128i** (N52 engine variant), ensuring optimal reliability and longevity for this high-revving inline-six powerplant. Crafted from **high-grade nitrile rubber**, this seal is engineered to withstand the extreme pressures, temperatures, and mechanical stresses inherent in BMW s performance-oriented engines, providing a robust barrier against oil leaks while maintaining smooth crankshaft operation. The **SWNZ** designation indicates a specialized design tailored for the rear main seal application, featuring a **metal-reinforced lip** that enhances durability and resists deformation under heavy loads, a critical consideration for engines that demand both power and precision. This seal is compatible with the **N52B30** and **N52B35** engine configurations, making it a versatile choice for enthusiasts seeking to restore or upgrade their 128i s drivetrain. Victor Reinz, a brand synonymous with automotive excellence, ensures that every seal undergoes rigorous quality control, including **dimensional precision, material consistency, and leak-proof sealing tests**, guaranteeing a reliable fitment that minimizes the risk of premature failure. Whether installed during a routine maintenance overhaul or as part of a performance upgrade, the **11953SWNZ** delivers the confidence of a professional-grade component, helping to preserve the integrity of the engine bay and extend the lifespan of the crankshaft assembly.

### **Pros and Cons of Buying a Victor Reinz 11953SWNZ Crankshaft Seal (Rear) for a 2008-2009 BMW 128i**

#### **Pros:**

1. **Direct Fitment** This seal is specifically designed for the rear crankshaft position of the N52 engine found in the 2008-2009 BMW 128i. It ensures compatibility without requiring modifications, reducing the risk of installation errors.

2. **High-Quality Material** Victor Reinz is a reputable manufacturer known for producing durable seals made from high-grade elastomers and reinforced with metal or composite backing. This helps prevent premature wear and oil leaks.

3. **Proper Specifications** The seal is engineered to match the original equipment manufacturer (OEM) dimensions, ensuring a tight seal against the crankshaft and housing. This minimizes oil consumption and potential engine damage from leaks.

4. **Widely Available** As a common replacement part for the N52 engine, this seal is readily available through automotive suppliers, making it easier to source than aftermarket alternatives that may not fit as well.

5. **Cost-Effective Solution** While not the cheapest option, it strikes a balance between affordability and reliability, avoiding the potential long-term costs of a leaky or poorly fitting seal.

6. **Compatibility with Common Upgrades** If you ve modified your engine (e.g., turbo upgrades, oil pump changes), this seal is still a reliable choice as long as the modifications don t alter the crankshaft or housing dimensions.

---

#### **Cons:**

1. **Potential Overkill for Minor Leaks** If the leak is isolated to a gasket or minor wear rather than the crankshaft seal itself, replacing just the seal may not fully resolve the issue. A thorough inspection of related components (e.g., oil pan gasket, rear main seal housing) may be necessary.

2. **Installation Complexity** Replacing the rear crankshaft seal requires removing the transmission, oil pan, and potentially the flywheel (if the engine is running). This is a labor-intensive job that may require professional assistance, increasing total repair costs.

3. **Risk of Damage During Removal** Improper handling of the crankshaft or housing during disassembly can lead to scratches or warping, which may affect the seal s performance or require additional machining.

4. **Cost Relative to Labor** While the seal itself is reasonably priced, the labor cost for installation can be high, especially if the work is done by a BMW specialist. This may make it a less attractive option for DIYers without the proper tools or experience.

5. **Alternative Options May Exist** Some aftermarket brands offer slightly cheaper or more flexible seals, though they may not match the durability of Victor Reinz. Researching these alternatives could yield cost savings without sacrificing quality.

6. **Warranty Considerations** If your vehicle is under warranty, replacing the seal may void certain coverage, depending on the manufacturer s policies. Always check with BMW or your insurer before proceeding.

---

### **Conclusion:**

The **Victor Reinz 11953SWNZ crankshaft seal** is a strong, reliable choice for the 2008-2009 BMW 128i s rear crankshaft position. Its direct fitment, high-quality construction, and widespread availability make it a dependable solution for preventing oil leaks and engine damage. However, the complexity of installation and associated labor costs should be carefully considered, especially if the leak is part of a larger issue (e.g., a failing oil pan gasket or transmission mount).

If you re confident in your mechanical skills and have the necessary tools, this seal is an excellent investment. For those less experienced, consulting a professional mechanic to assess the full scope of the problem (and whether the seal is indeed the root cause) is advisable.

### **Recommendation:**

- **Buy the Victor Reinz seal** if you ve confirmed it s the source of the leak and are prepared for the installation challenge.

- **Pair it with a thorough inspection** of related components (e.g., oil pan gasket, rear housing) to avoid recurring issues.

- **Consider professional installation** if you lack experience with transmission or engine disassembly to ensure proper sealing and avoid damage.

- **Explore aftermarket alternatives** only if you ve verified their compatibility and quality, as cutting corners could lead to premature failure.

Ultimately, this seal is a **safe, long-term solution** for the N52 engine s rear crankshaft position, provided it s installed correctly and the underlying cause of the leak is addressed.

Details:

Parts Geek - For 2008 - 2009 BMW 128I Crankshaft Seal Rear Victor Reinz 11953SWNZ: Review Fitment Notes to Ensure Proper Fit Position: condition: New Brand: Notes: 90 X 110 12mm Also use: Qty. 1 83 19 439 030 sealing compound, 7 515 683 primer and 2 345 991 nozzle.; thru 12/08 Month Warranty Vehicle.

part #: 11953swnz price

  • $39.11

specifications cranshafengin:

  • for makes: Bmw
  • for years: 2008-2009
  • brand: Victor Reinz
  • mpn: 11953swnz
  • part type: Seal Crankshaft
  • placement on vehicle: Rear
  • manufacturer warranty: 12 Month Warranty
  • notes: Crankshaft Seal
  • years: 2009 2008
  • application: Bmw 128i Crankshaft Seal
  • product name 2: Engine Crankshaft Seal
  • cs-sku: 400

shipping cranshafengin:

  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • cost: $0.00
  • type: Fixed
  • carrier: FedEx
  • transit: 4-7 Days

payments cranshafengin:

  • credit card: Visa
  • other
  • wallet: Google-pay

returns cranshafengin:

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

seller cranshafengin:

  • rating: 98.7%
  • city: New Brunswick, New Jersey
  • # reviews: 327398

general cranshafengin:

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

offer cranshafengin:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: April 10, 2026
for makes: bmw, for years: 2008-2009, part type: seal crankshaft, placement on vehicle: rear, manufacturer warranty: 12 month warranty, notes: crankshaft seal, years: 2009 2008, application: bmw 128i crankshaft seal, product name 2: engine crankshaft seal, cs-sku: 400,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19760945196278603,
Victor Reinz 11953SWNZ Is Similar To:
cranshafengin logo
1 offer $39.11 USD
  • New. Offer #1 priced at $39.11 + $0.00 shipping estimate = $39.11* total. Position: Rear 2008-2009 BMW 128i.FREE SHIPPING

Copyright © cranshafengin.com