STEFA 30X52X7 Nos Oil Pump Seal National Box 0724956085958

( Brand: Stefa ), ( Manufacturer Part Number: 30X52X7 ), ( Part Type: Oil Seal Pump Box ), ( Country Of Origin: Italy ), ( UPC: 724956085958 )

Review STEFA Nos Oil Pump Seal In National Box Made Italy

The **Stefa 724956085958 NOS Oil Pump Seal (30x52x7)** is a high-performance, original equipment quality (NOS) mechanical seal designed for precision automotive and industrial applications, particularly within oil pump systems where reliability and durability are paramount. Crafted from premium materials, this seal features a robust **rubber or synthetic elastomer lip** paired with a reinforced steel or composite backing ring, ensuring optimal resistance to oil degradation, heat, and mechanical stress. The dimensions **30mm inner diameter, 52mm outer diameter, and 7mm thickness** make it a precise fit for specific engine models, including those in high-performance or modified vehicles where stock components may fall short. Engineered to maintain a consistent seal under varying operating conditions, this oil pump seal minimizes leakage, prevents premature wear on pump internals, and extends the lifespan of the entire lubrication system. Its **original equipment specification** guarantees compatibility with factory tolerances, reducing the risk of interference or improper installation, while the **new old stock (NOS) condition** ensures it remains free from the wear and tear associated with aftermarket or refurbished parts. Ideal for automotive enthusiasts, mechanics, and fleet operators seeking dependable performance, this seal is a critical component for maintaining engine efficiency, reducing friction, and safeguarding against costly oil contamination or system failures.

**Pros and Cons of buying a Stefa 724956085958 NOS Oil Pump Seal (30x52x7, National Box)**

1. **New Old Stock (NOS) Quality** The seal is described as NOS, meaning it is unused but previously stocked, which suggests it is in excellent condition and likely to be free from wear or damage. This can be more reliable than a used or refurbished part.

2. **Compatibility** The dimensions (30x52x7) are clearly specified, making it easier to verify if it fits your engine or application. The "National Box" designation may indicate it is a standard or widely available part, reducing the risk of sourcing issues.

3. **Potential Cost Savings** NOS parts are often priced lower than brand-new OEM parts, especially if the original manufacturer is no longer producing the exact seal. This can be a cost-effective alternative without compromising quality.

4. **Reliability** Since the seal is unused, it should perform as expected without pre-existing issues that could arise from wear or improper storage in a used part.

5. **Ease of Installation** Being a direct replacement, the seal should fit seamlessly into the oil pump assembly, reducing the risk of installation errors that could occur with aftermarket or mismatched parts.

6. **Warranty or Return Options** Some NOS sellers offer warranties or return policies, providing recourse if the seal is defective or incompatible. This can mitigate risk compared to purchasing from unknown sources.

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1. **Limited Availability** NOS parts are not always in stock, and sourcing may require patience or multiple attempts to find the exact part. If the seller is not reliable, you might face delays or cancellations.

2. **Price Variability** While NOS parts are often cheaper than OEM, prices can fluctuate based on demand, seller markup, or rarity. Some sellers may overcharge for the "NOS" label, so comparing prices is essential.

3. **Seller Reputation Risk** Not all NOS listings are legitimate. There is a chance the seal could be counterfeit, refurbished, or mislabeled. Researching the seller s reviews and return policy is critical to avoid scams or low-quality replacements.

4. **No OEM Guarantee** Even if the seal is NOS, it may not be an exact OEM duplicate in terms of materials or manufacturing standards. Some engines require precise tolerances, and a non-OEM seal could lead to leaks or premature failure.

5. **Shipping and Handling** NOS parts may require careful packaging to prevent damage during transit. If the seller does not handle the item properly, the seal could arrive damaged, rendering it unusable.

6. **Lack of Support** Unlike purchasing from a dealership or authorized distributor, NOS sellers may not provide technical support or installation guidance. If issues arise, you may need to troubleshoot independently.

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Buying the **Stefa 724956085958 NOS oil pump seal (30x52x7, National Box)** can be a practical choice if you prioritize cost savings and reliability for an unused part. The NOS designation suggests it is in good condition, and the clear dimensions make compatibility easier to verify. However, the risks associated with seller credibility, availability, and potential non-OEM discrepancies must be carefully considered.

To minimize risks, **verify the seller s reputation, check for authenticity (e.g., packaging, part markings), and compare prices across multiple sources**. If possible, consult with a mechanic or engine specialist to confirm the seal s suitability for your specific application. For critical applications, an OEM or high-quality aftermarket seal may still be the safer long-term investment.

- You have thoroughly researched the seller and the part s authenticity.

- The price is reasonable compared to other NOS or aftermarket options.

- You are confident in the seal s compatibility with your engine.

- You have a backup plan (e.g., warranty or return policy) in case of issues.

- The seller lacks positive reviews or transparent communication.

- The price seems unusually high or low for the part.

- You cannot confirm the seal s exact specifications or condition before buying.

- Your engine requires precise sealing for performance or longevity (e.g., high-performance or racing applications).

For maximum peace of mind, consider purchasing from a reputable automotive parts distributor or a dealer with a proven track record for NOS or OEM replacements.

Details:

Housing Bore mm 52.000. Italy offered with free shipping. Sealing . Inside Diameter IN 1.181.

Housing Bore IN 2.047. New old stock STEFA oil pump seal 30X52X7, made.

specifications sealantadhesivee:

• brand: Stefa
• mpn: 30x52x7
• part type: Oil Seal Pump Box
• country of origin: Italy
• upc: 724956085958

seller sealantadhesivee:

• # reviews: 26778
• rating: 99.9%
• city: Alpharetta, Georgia

payments sealantadhesivee:

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

shipping sealantadhesivee:

• transit: 6-10 Days
• class: Standard, Economy
• type: Fixed
• cost: $0.00
• carrier: USPS, FedEx, UPS
• service: USPS Ground Advantage, FedEx Ground Economy, UPS Ground Saver

general sealantadhesivee:

• Adhesives, Sealants Tapes > Caulks, Sealants Removers > Caulks Sealants
• condition: New

returns sealantadhesivee:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller
• method: Money back

offer sealantadhesivee:

• sold: 0
• best offers: True
• options: Ship-to-home
• started: March 27, 2026
• quantity: 3
• availability: In Stock

Stefa 30X52X7 Is Similar To:

• Stefa Metric-145-x-180-x-12.54mm Metric145x180x1254mm New No Box (27.7% similar) Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops ...(January 9th, 2026)