1. Engine Crankshafts Products
  2. sku: 19153858153880892
  3. ELRING 948.04

ELRING Mini Crankshaft Seal 948.040

fits model: Cooper. year: 2002–2008.

948.040 Elring 948040 For Mini Cooper 2002-2008 Crankshaft Seal

( Brand: Elring ), ( Manufacturer Part Number: 948.04 ), ( Part Type: Seal Crankshaft ), ( Product Type: Engine ), ( Fitment Type: Direct Replacement ), ( Ipn: 948040 ), ( Compatible Make S : Mini, Land Rover, Jaguar ), ( Compatible Model S : Cooper, Range Rover Sport, Range Rover, Discovery, Lr4 ), ( Product Subtype: Crankshafts ), ( Product Details: Engine Crankshaft Seal ), ( Department: Replacement )

Review ELRING Mini Crankshaft Seal fits COOPER 2002–2008

The **Elring 948040 crankshaft seal** is a premium, high-performance replacement part specifically engineered for the **2002 2008 BMW Mini Cooper (R50/R52/R53/R55/R56/R57) models**, ensuring optimal engine protection and longevity. Manufactured by **Elring, a globally recognized leader in automotive sealing technology**, this seal is designed to meet the rigorous demands of modern internal combustion engines while maintaining superior durability and reliability. Crafted from **high-quality elastomeric materials**, the 948040 features a **reinforced lip design** that provides an exceptional seal against oil leakage, preventing contamination of the crankshaft area and minimizing engine wear. Its **precision-engineered construction** ensures a perfect fit within the engine bay, reducing the risk of misalignment or improper installation a common issue with aftermarket alternatives. The seal s **robust lip profile** also enhances resistance to heat, pressure, and chemical exposure, making it ideal for both high-mileage vehicles and those subjected to demanding driving conditions. Whether replacing a worn-out original equipment seal or upgrading for enhanced performance, the **Elring 948040** delivers a **long-lasting, leak-proof barrier** that helps maintain engine efficiency and extends the life of critical components. Backed by **Elring s commitment to quality and engineering excellence**, this seal is a trusted choice for mechanics and enthusiasts alike, offering peace of mind with every installation.

The **Elring 948040** crankshaft seal is a common aftermarket replacement for the **BMW Mini Cooper (R50/R52/R53/R55/R56/R57) models from 2002 2008**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Elring 948040 Crankshaft Seal**

1. **High Quality Materials** Elring is a well-known manufacturer specializing in high-performance seals, using durable materials like nitrile rubber with reinforced backing for longevity and resistance to oil and heat.

2. **Proper Fitment** The 948040 is specifically designed for the Mini Cooper s crankshaft pulley area, ensuring a tight seal and reducing the risk of oil leaks.

3. **Good Compatibility** Works well with both the original engine configurations (N14, N16, N18) and common modifications, including turbocharged or high-performance setups.

4. **Ease of Installation** Designed to fit standard tools, making it accessible for DIY mechanics with basic automotive experience.

5. **Widely Available** Easily found in auto parts stores, online retailers (Amazon, RockAuto, eBay), and through BMW Mini specialty shops.

6. **Cost-Effective** Typically priced lower than OEM (original equipment manufacturer) seals, offering a balance between quality and affordability.

7. **Positive User Feedback** Many owners report reliable performance after installation, with fewer leaks compared to cheaper alternatives.

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### **Cons of the Elring 948040 Crankshaft Seal**

1. **Potential for Leaks Over Time** While durable, no seal is perfect. Some users report minor oil seepage after prolonged use, especially if installation isn t perfect or if the engine bay is contaminated with debris.

2. **Requires Proper Installation** If not seated correctly or if the crankshaft pulley isn t cleaned thoroughly, the seal may not form a perfect barrier, leading to leaks.

3. **Limited Longevity Compared to OEM** Some OEM seals (if available) may last longer, though they are often harder to source and more expensive.

4. **Compatibility with Aftermarket Parts** In rare cases, modifications (e.g., custom pulleys or turbo setups) might require additional sealing solutions or adjustments.

5. **Installation Can Be Messy** Removing the old seal and cleaning the crankshaft pulley area requires care to avoid damaging the engine components or contaminating the new seal.

6. **Not a Permanent Fix for Underlying Issues** If the crankshaft pulley is warped or the engine has internal oil leaks (e.g., valve cover gasket), replacing just the crankshaft seal may not fully resolve the problem.

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### **Conclusion**

The **Elring 948040 crankshaft seal** is a strong aftermarket option for the **2002 2008 Mini Cooper**, offering a good balance of quality, fitment, and cost. It is widely trusted by mechanics and owners for its reliability, especially when installed correctly. However, like any seal, it is not foolproof and may require periodic checks. If leaks persist, it may indicate an issue with installation or other related components.

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### **Recommendation**

- **Buy the Elring 948040** if you need a **reliable, high-quality replacement** that is easy to source and install. It is an excellent choice for most DIY enthusiasts and professional mechanics.

- **Ensure proper installation** by thoroughly cleaning the crankshaft pulley area, using the correct tools, and following a step-by-step guide (e.g., from a trusted source like Haynes or BMW Mini forums).

- **Consider additional precautions** if your engine has been modified or if you suspect other leaks (e.g., valve cover gasket, oil filter housing gasket). Addressing these issues simultaneously can prevent future problems.

- **Monitor for leaks** after installation. If oil seepage occurs, recheck the installation or inspect for other potential leak sources.

For most **2002 2008 Mini Cooper owners**, the **Elring 948040 is a recommended choice** due to its proven performance and widespread availability. If budget allows, pairing it with a **high-quality gasket kit** (e.g., Fel-Pro or Elring) for related components can further ensure a leak-free result.

Details:

Crankshaft Seal 948.040 by Elring. This product is distinguished by total quality assurance, unsurpassed anybody else.

part #: 94804 prices

  • $58.02-$94.57

specifications cranshafengin:

  • for models: Cooper
  • for years: 2002-2008
  • brand: Elring
  • mpn: 948.04
  • part type: Seal Crankshaft
  • product type: Engine
  • fitment type: Direct Replacement
  • ipn: 948040
  • compatible make s : Mini, Land Rover, Jaguar
  • compatible model s : Cooper, Range Rover Sport, Range Rover, Discovery, Lr4
  • product subtype: Crankshafts
  • product details: Engine Crankshaft Seal
  • department: Replacement

offer cranshafengin:

  • availability: In Stock
  • quantity: 5
  • options: Ship-to-home
  • sold: 0
  • started: March 4, 2026

general cranshafengin:

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

shipping cranshafengin:

  • transit: 2-6 Days
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $21.96
  • type: Calculated
  • class: Standard
  • carrier: FedEx

returns cranshafengin:

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

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seller cranshafengin:

  • rating: 99.0%
  • city: Rockville Centre, New York
  • # reviews: 150223
for models: cooper, for years: 2002-2008, part type: seal crankshaft, product type: engine, fitment type: direct replacement, compatible make s: mini, land rover, jaguar, compatible model s: cooper, range rover sport, range rover, discovery, lr4, product subtype: crankshafts, product details: engine crankshaft seal, department: replacement,
category: auto parts > car truck parts accessories > engines engine parts > crankshafts, sku: 19153858153880892,
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5 offers $58.02–$94.57 USD
  • New. Offer #1 priced at $58.02 + $0.00 shipping estimate = $58.02* total. Verify that the item fits your car.FREE SHIPPING
  • New. Offer #2 priced at $58.02 + $0.00 shipping estimate = $58.02* total. Normal wear and tear or incorrect installation are not covered under warranty. Include the Vehicle Identification Number (VIN).FREE SHIPPING
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  • New. Offer #4 priced at $59.27 + $22.91 shipping estimate = $82.18* total. This product is distinguished by total quality assurance, unsurpassed by anybody else. Crankshaft Seal ( 0) by Elring .+$22.91 shipping
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