ARAI SEISAKUSHO 51FQSG Front Crankshaft Seal
fits model: Prelude. make: Honda. year: 1992–2001.
( Brand: Arai Seisakusho ), ( Manufacturer Part Number: 51FQSG ), ( Part Type: Seal Crankshaft ), ( Compatible Make/model: Honda Prelude ), ( Compatible Years: 2001 1996 2000 1995 1994 1998 1999 1997 1992 1993 01 96 00 95 94 ), ( Position: Front ), ( Fitment Info: Crankshaft Seal ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )
Review ARAI SEISAKUSHO Front Crankshaft Seal Honda fits PRELUDE 1992–2001
The **Arai Seisakusho 51FQSG Front Crankshaft Seal** is a premium, high-performance replacement part meticulously engineered to restore factory-level reliability and longevity to the front crankshaft oil seal on Honda Prelude models produced between 1992 and 2001. This seal is a critical component of the engine s front cover assembly, preventing oil leaks that can compromise drivability, contaminate the timing chain or belt, and lead to costly internal engine damage if left unaddressed. Crafted with Arai s signature precision and durability, this seal features a robust **nitrile rubber compound** reinforced with a high-quality **steel spring** that ensures consistent sealing pressure, even under the demanding conditions of high RPMs, aggressive driving, or extended engine run times. The design incorporates a **perfectly contoured lip** that conforms seamlessly to the crankshaft s polished surface, eliminating gaps that could allow oil to seep past over time. Unlike generic aftermarket alternatives that may rely on inferior materials or sloppy tolerances, this Arai seal is built to Honda s exacting specifications, ensuring a snug, leak-proof fit that matches the original equipment quality. Whether you re tackling a routine maintenance service or addressing a persistent oil leak, this seal delivers the reliability and performance you expect from a trusted Japanese manufacturer, helping to extend the life of your Prelude s engine while maintaining optimal lubrication and efficiency.
### **Pros and Cons of buying a Arai Seisakusho 51FQSG Front Crankshaft Seal for Honda Prelude (1992 2001)**
#### **Pros:**The **Arai Seisakusho 51FQSG front crankshaft seal** is a well-regarded aftermarket replacement part for the Honda Prelude s F22B and F23B engines, particularly for models from 1992 to 2001. Here are the key advantages:
1. **High-Quality Material and Construction**
The seal is made from durable rubber compounds reinforced with fabric or metal inserts, ensuring better longevity compared to generic or low-quality OEM replacements. Arai is known for producing seals that resist oil leakage and deformation over time, which is critical for preventing engine damage from oil contamination.
2. **Precision Fitment**
Arai parts are engineered to match OEM specifications closely, reducing the risk of installation errors that could lead to leaks or improper sealing. The seal s dimensions align well with the Prelude s front crankshaft housing, minimizing clearance issues that could cause premature wear.
3. **Compatibility with Common Modifications**
The F22B/F23B engines in these Preludes are often modified with performance upgrades (e.g., turbocharging, forced induction, or high-RPM applications). Arai s seal is designed to handle slightly higher stress levels than stock OEM seals, making it a safer choice for modified engines where oil pressure or temperature may increase.
4. **Widely Available and Trusted Brand**
Arai Seisakusho is a reputable Japanese manufacturer with a strong reputation in the automotive aftermarket. Their seals are commonly stocked by performance parts retailers, making it easier to find and purchase without long waits. The brand s reliability also means you re less likely to encounter counterfeit or subpar products.
5. **Easier Installation**
Unlike some OEM seals that require special tools or careful handling to avoid damage, Arai s seal is designed with user-friendliness in mind. The packaging often includes installation tips, and the seal itself is less prone to tearing during removal or installation.
6. **Cost-Effective for Long-Term Use**
While the upfront cost may be slightly higher than budget alternatives, the seal s durability often translates to fewer replacements over time. This can save money in the long run, especially if the engine is subjected to regular use or modifications.
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#### **Cons:** Despite its strengths, there are some potential drawbacks to consider before purchasing:1. **Higher Upfront Cost**
Arai seals typically cost more than generic or no-name alternatives. For example, while a basic OEM-style seal might be available for $20 $30, an Arai 51FQSG can range from $40 $60. This may be a barrier for budget-conscious buyers, though the investment is often justified by performance and longevity.
2. **Limited Availability in Some Regions**
While Arai parts are widely distributed in North America and Europe, they may be harder to find in smaller or less specialized auto parts stores. Online retailers (e.g., Amazon, RockAuto, or performance parts shops) are the most reliable sources, but shipping times can vary.
3. **Potential Overkill for Stock Engines**
If your Prelude s engine is purely stock and runs under normal conditions (no forced induction, high RPM, or extreme temperatures), an Arai seal may offer little advantage over an OEM or high-quality generic seal. In such cases, the extra cost might not be necessary unless you plan to modify the engine later.
4. **Installation Requires Care**
While Arai seals are designed for easier installation, improper handling (e.g., stretching the seal during removal or not using the correct tools) can still lead to leaks or damage. If you re not experienced with crankshaft seal replacement, you may need to invest in a quality sealant (like RTV or a dedicated sealant like Permatex Ultra Black) to ensure a proper seal.
5. **Mixed Reviews on Specific Batch Quality**
As with any aftermarket part, there have been occasional reports of inconsistent quality in Arai seals, particularly if purchased from untrusted sellers. While rare, some users have noted issues with premature cracking or leaks in seals that were not stored or handled properly. Always buy from authorized dealers or reputable online retailers to mitigate this risk.
6. **Not a Permanent Fix for Underlying Issues**
If your Prelude s crankshaft seal failure is due to a larger problem (e.g., worn bearings, oil leaks from other seals, or poor maintenance), replacing just the seal with an Arai part will not address the root cause. A thorough inspection of the front end (e.g., timing belt, water pump, and oil seals) is recommended to prevent future failures.
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### **Conclusion:**The **Arai Seisakusho 51FQSG front crankshaft seal** is an excellent choice for Honda Prelude owners (1992 2001) who prioritize durability, reliability, and compatibility with modifications. Its superior material quality, precise fitment, and reputation for longevity make it a strong investment, especially for engines that see regular use or have been modified. However, the higher cost and the need for careful installation may not justify the purchase for stock engines with minimal mileage or those in ideal conditions.
For most Prelude owners particularly those with turbocharged or high-performance setups the Arai seal is the best balance between quality and performance. If budget is a concern, a high-quality generic seal (e.g., from Gates or Dayco) could be a cost-effective alternative, but it may not last as long under demanding conditions.
### **Recommendation:** - **Buy the Arai 51FQSG if:**- You have a modified or high-performance Prelude engine.
- You want the best possible seal for longevity and leak resistance.
- You re willing to pay a premium for a reputable brand with a proven track record.
- You plan to perform the installation yourself and are prepared to use proper sealant techniques.
- **Consider alternatives if:**- Your engine is stock and runs under normal conditions (a generic high-quality seal may suffice).
- You re on a tight budget and can t justify the extra cost.
- You re unsure about your ability to install the seal correctly (in which case, consult a professional mechanic).
Ultimately, the Arai seal is one of the top-tier options for this application, and its benefits outweigh the drawbacks for most serious Prelude enthusiasts. Always pair the seal with a high-quality oil (e.g., 5W-30 or 5W-40 synthetic) and follow proper maintenance practices to maximize its lifespan.
Details:
Front Arai Seisakusho Crankshaft Seal fits Honda Prelude 1992 - 2001 51FQSG: Position: Brand: condition: New Notes: Detailed 40x52x7mm, OEM Applications Years: Vehicle: 1992 - 2001 Honda. 12 Month Warranty.
part #: 51fqsg price
- $28.24
specifications cranshafengin:
- for models: Prelude
- for makes: Honda
- for years: 1992-2001
- brand: Arai Seisakusho
- mpn: 51fqsg
- part type: Seal Crankshaft
- compatible make/model: Honda Prelude
- compatible years: 2001 1996 2000 1995 1994 1998 1999 1997 1992 1993 01 96 00 95 94
- position: Front
- fitment info: Crankshaft Seal
- manufacturer warranty: 12 Month Warranty
- attention: Read Full Description To Confirm Fitment
- cs-sku: 400
seller cranshafengin:
- rating: 99.1%
- city: Pennsauken, New Jersey
- # reviews: 23734
general cranshafengin:
- condition: New
- Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
shipping cranshafengin:
- class: Economy
- transit: 4-7 Days
- cost: $0.00
- type: Fixed
- service: Economy
payments cranshafengin:
- wallet: Apple-pay
- credit card: Discover
- other
returns cranshafengin:
- policy: Returns Accepted
- time: 30 Days
- paid by: Seller
offer cranshafengin:
- options: Ship-to-home
- started: April 3, 2026
- availability: In Stock
- sold: 0
- quantity: 1
