MITSUBISHI 1052B219 Rear Crankshaft Oil Seal

( Manufacturer Part Number: 1052B219 ), ( Part Type: Oil Seal Crankshaft Case ), ( Description: Case Assy, Crank Rr O/seal ), ( Manufacturer Warranty: 1 Month ), ( Vintage Part: No ), ( Country Of Origin: Japan )

Review MITSUBISHI Genuine Rear Crankshaft Oil Seal Case New Oem fits COLT LANCER

The **Mitsubishi 1052B219 Colt Lancer Rear Crankshaft Oil Seal** is a precision-engineered automotive sealing component designed specifically for the rear main bearing housing of Mitsubishi s iconic Colt and Lancer models, including variants equipped with the 1.5L, 1.6L, and 2.0L inline-four engines. Crafted from high-quality **nitrile rubber (NBR) with a reinforced fiberglass or aramid fiber insert**, this oil seal ensures a reliable, long-lasting barrier against oil leakage while maintaining optimal rotational efficiency. The seal s **dual-lip design** provides superior containment, preventing contaminants from entering the crankshaft area while minimizing friction and wear on the crankshaft journal, thereby extending the lifespan of both the seal and the engine. Engineered to meet Mitsubishi s strict OEM specifications, this seal features a **precision-molded rubber compound** that resists oil degradation, heat, and mechanical stress, making it ideal for high-performance applications and extended driving conditions. The **steel or aluminum housing** is carefully machined to ensure a perfect fit within the rear main bearing cover, eliminating gaps that could lead to oil leaks or premature failure. Whether installed during routine maintenance, a rebuild, or as a direct replacement for a worn seal, this Mitsubishi-specific part guarantees a tight, durable seal that restores engine integrity and performance. Its compatibility with standard tools and straightforward installation process makes it a straightforward yet critical upgrade for enthusiasts and mechanics alike, ensuring reliable operation and peace of mind for years to come.

**Pros and Cons of buying a Mitsubishi 1052B219 Colt Lancer Rear Crankshaft Oil Seal**

The **Mitsubishi 1052B219** rear crankshaft oil seal is a genuine or high-quality aftermarket replacement designed specifically for the Colt Lancer (and related models like the Eclipse and Mirage). Here are the key advantages:

1. **Direct Fitment** This part is engineered to match the original equipment specifications for your vehicle s rear crankshaft area, ensuring proper sealing and preventing oil leaks. It avoids the risk of sizing issues that can occur with generic or poorly matched seals.

2. **Reliability** Mitsubishi s reputation for durability means this seal is built to withstand the stress of engine operation, reducing the likelihood of premature failure. High-quality aftermarket brands (if not genuine) also often use materials like nitrile rubber or similar compounds that resist heat, oil, and wear.

3. **Prevents Contamination** A failing rear crankshaft seal can allow oil to leak into the transmission or differential, contaminating fluids and causing damage. Replacing it proactively maintains cleanliness in these systems, extending their lifespan.

4. **Ease of Installation** The seal is designed to fit standard tools and procedures, making it accessible for DIY mechanics. Genuine parts often come with clear installation instructions or compatible with common repair guides.

5. **Cost-Effective Long-Term Solution** While the upfront cost may seem high, replacing a failing seal early avoids more expensive repairs (e.g., transmission or differential damage) caused by prolonged oil leaks.

6. **Compatibility with Modifications** If your vehicle has been modified (e.g., performance upgrades, extended rear housings), a proper seal ensures compatibility without compromising fit.

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1. **Price** Genuine Mitsubishi seals (or high-quality aftermarket equivalents) can be more expensive than budget alternatives. This may be a deterrent for those on a tight budget, though the long-term benefits often justify the cost.

2. **Installation Complexity** Replacing a rear crankshaft seal requires removing the transmission or differential, which can be labor-intensive. Inexperienced mechanics may struggle with alignment or torque specifications, risking damage or improper sealing.

3. **Availability and Lead Times** Genuine Mitsubishi parts may not always be in stock at local auto parts stores, requiring online ordering or waiting for delivery. Aftermarket options might have inconsistent quality.

4. **Potential for Counterfeit Parts** If purchasing from untrusted sellers (especially online), there s a risk of receiving counterfeit or low-quality seals that fail prematurely. Always buy from reputable suppliers.

5. **Wear on Related Components** If the seal was leaking for an extended period, adjacent parts (e.g., bearings, synchronizers) may have been exposed to contamination. A full inspection of the transmission or differential may be needed alongside the seal replacement.

6. **Limited Lifespan** While durable, oil seals degrade over time due to heat, vibration, and oil breakdown. Even with proper installation, they may need replacement every 100,000 150,000 miles, depending on driving conditions.

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The **Mitsubishi 1052B219 Colt Lancer rear crankshaft oil seal** is a critical component for maintaining engine and transmission health. Its **direct fitment, reliability, and preventive benefits** make it a worthwhile investment, especially if your vehicle shows signs of oil leakage or you re performing routine maintenance. However, the **higher cost, installation challenges, and potential for counterfeit parts** require careful consideration.

If your priority is **long-term reliability and avoiding costly repairs**, investing in a **genuine or high-quality aftermarket seal** is strongly recommended. For those on a budget, verify the seal s authenticity and ensure proper installation to avoid future issues.

- **Buy the genuine Mitsubishi part or a reputable aftermarket equivalent** (e.g., Febi, Duralast, or local brands with good reviews).

- **Perform the replacement yourself if comfortable with transmission/differential work**, or seek a professional mechanic to ensure proper installation.

- **Inspect the transmission or differential for contamination** during the process, as this is a good opportunity to address any underlying issues.

- **Avoid cheap, unbranded seals** unless you re certain of their quality, as they may fail quickly and exacerbate problems.

For most owners, the **pros outweigh the cons**, making this a necessary upgrade for vehicles showing or at risk of oil seal failure.

Details:

You pay only item cost shipping. Fast and free shipping. Quality, Speed, and Service. Warranty: 30-day limited warranty included.

The part must be installed properly and not disassembled to qualify.

part #: 1052b219 prices

• $91.45-$112.00

specifications cranshafengin:

• for models: Colt, Lancer
• for makes: Mitsubishi
• mpn: 1052b219
• part type: Oil Seal Crankshaft Case
• description: Case Assy, Crank Rr O/seal
• manufacturer warranty: 1 Month
• vintage part: No
• country of origin: Japan

payments cranshafengin:

• credit card: Mastercard
• wallet: Paypal
• other

seller cranshafengin:

• # reviews: 5758
• city: Shirley, New York
• rating: 100.0%

offer cranshafengin:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: June 4, 2026
• quantity: 1

shipping cranshafengin:

• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• transit: 9-14 Days
• cost: $0.00
• type: Fixed
• class: Standard

returns cranshafengin:

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

general cranshafengin:

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

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