SBT 25-504 Wrist Pin Bearing Tigerhshark Engines 3003-503

( Brand: Sbt ), ( Manufacturer Part Number: 25-504 ), ( Part Type: Bearing Pin Engine ), ( Country Of Origin: United States )

Review SBT Wrist Pin Bearing Tigerhshark And Engines fits TIGERSHARK 900 1000

The **SBT 25-504 TigerShark Wrist Pin Bearing (part numbers 3003-503)** is a precision-engineered component designed exclusively for high-performance outboard motors, including the TigerShark 900 and 1000 series engines. Crafted from high-grade, corrosion-resistant materials, this bearing is engineered to withstand the extreme demands of marine environments, where saltwater corrosion, constant vibration, and heavy loads can quickly degrade standard components. The wrist pin bearing serves as a critical load-bearing interface between the piston and connecting rod assembly, ensuring smooth reciprocating motion while minimizing friction and wear essential for maintaining optimal engine efficiency and longevity. Its robust construction features a hardened steel inner race and a reinforced outer shell, providing superior durability against the harsh conditions encountered in saltwater applications. The bearing s precision fit and optimized lubrication pathways help reduce heat buildup, preventing premature failure and extending the life of the engine s internal components. Whether used in recreational boating, fishing, or professional marine applications, this bearing is a vital upgrade for those seeking reliable performance in demanding TigerShark outboard engines. Its compatibility with the 3003-503 series ensures seamless integration, allowing for easy installation and hassle-free operation. Built to meet the exacting standards of modern marine propulsion systems, the SBT 25-504 TigerShark Wrist Pin Bearing is an indispensable component for anyone looking to preserve engine performance and avoid costly repairs.

### **Pros and Cons of buying a SBT 25-504 TigerShark Wrist Pin Bearing (3003-503 for TigerShark 900/1000 Engines)**

1. **OEM Quality and Compatibility** These bearings are designed as direct replacements for the original equipment manufacturer (OEM) parts used in TigerShark 900 and 1000 engines. This ensures a proper fit and performance similar to factory specifications.

2. **Durability and Performance** SBT (Sealed Bearings Technology) is known for producing high-quality, precision-engineered bearings that reduce friction, improve engine efficiency, and extend component life. The 3003-503 model is specifically engineered for high-performance outboard motors, which means it can handle the stresses of frequent use, high RPMs, and marine environments.

3. **Reduced Wear and Tear** Wrist pin bearings are critical for reducing wear on connecting rods and pistons. High-quality bearings like these minimize metal-to-metal contact, reducing heat and friction, which can prevent premature engine failure.

4. **Easy Installation** These bearings are designed for straightforward replacement, often requiring minimal disassembly of the engine. They come pre-lubricated in some cases, simplifying the installation process for DIYers.

5. **Warranty and Support** SBT products typically come with warranties, and the company offers customer support for technical issues or installation concerns. This can provide peace of mind for buyers.

6. **Compatibility with Aftermarket Upgrades** If you plan to modify your TigerShark engine (e.g., with a performance exhaust or upgraded fuel system), these bearings will integrate well with aftermarket components, ensuring continued reliability.

7. **Cost-Effective Long-Term Solution** While the upfront cost may be higher than generic bearings, the improved durability and reduced risk of catastrophic failure can save money in the long run by avoiding costly engine repairs.

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1. **Higher Initial Cost** Compared to generic or lower-quality bearings, SBT parts are more expensive. This may be a barrier for budget-conscious buyers, especially if the engine is older or not heavily used.

2. **Limited Availability** Depending on your location, these bearings may not be as widely stocked as more common aftermarket parts. You may need to order online or from specialty marine suppliers, which could involve shipping delays.

3. **Installation Complexity for Novices** While the bearings themselves are designed for easy replacement, removing and reinstalling the wrist pin assembly may require some mechanical skill. Improper installation (e.g., cross-threading or improper lubrication) could lead to premature failure.

4. **Potential for Overkill** If your TigerShark engine is lightly used or has minimal hours, the benefits of premium bearings may not be immediately noticeable. For high-performance or heavily used engines, however, the investment is justified.

5. **Mixed Reviews on Longevity in Extreme Conditions** Some users report that while these bearings perform well under normal conditions, extreme environments (e.g., saltwater corrosion, constant high loads, or poor maintenance) can still lead to wear over time. Regular maintenance (e.g., cleaning and lubrication) is essential.

6. **Compatibility Confusion** The part numbering (e.g., 3003-503) can be confusing, especially if you re not familiar with TigerShark engine internals. Double-checking the exact model and year of your engine is critical to ensure you re ordering the correct bearing.

7. **No Significant Performance Boost for Stock Engines** If you re not running a modified or high-performance setup, the difference between SBT bearings and OEM-quality bearings may be subtle. The real benefits are more apparent in engines with higher stress or aftermarket upgrades.

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The **SBT 25-504 TigerShark wrist pin bearing (3003-503)** is a **high-quality, reliable upgrade** for TigerShark 900 and 1000 engines, particularly for owners who prioritize durability, reduced friction, and long-term engine health. It is ideal for:

- **High-performance or modified engines** (e.g., with forced induction, upgraded fuel systems, or frequent high-load use).

- **Owners who want OEM-level or better quality** and are willing to invest in preventative maintenance.

- **Those who plan to keep their engines running for many years** without frequent bearing replacements.

However, if you re on a tight budget, your engine is lightly used, or you lack mechanical experience, the **cost may not be justified**. In such cases, a **high-quality generic bearing** (from reputable brands like **TorqBay, Seafoam, or even OEM replacements**) could be a more economical alternative while still providing good performance.

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- You run your TigerShark engine hard (e.g., frequent high-speed use, towing, or racing).

- You ve noticed signs of wrist pin wear (e.g., unusual noise, oil consumption, or compression loss).

- You re performing a **major engine overhaul** and want to future-proof your build.

- You value **brand reliability** and are willing to pay for long-term durability.

- Your engine is **low-mileage or rarely used**, and you re looking to save money.

- You re **not mechanically inclined** and prefer a simpler, lower-cost replacement.

- You re unsure about the exact part number and risk ordering the wrong bearing.

**Final Verdict:** For serious TigerShark owners who demand **premium performance and longevity**, the SBT bearing is a **strong recommendation**. For casual or budget-conscious users, a **well-reviewed generic bearing** may suffice. Always verify the **exact engine model and year** before purchasing to ensure compatibility.

Details:

Wrist Pin Bearing compatible with 3003-503 Tigerhshark 900 1000 Engines: Brand SBT, Part Number 25-504. Tigershark 1997 Monte Carlo 1000. Compatible With: Tigershark 1997 Dayton 1000. Tigershark 1998 TS-L 1000.

part #: 25504 prices

• $18.95-$19.20

specifications traiparboa:

• for models: 900, 1000, Tigershark
• brand: Sbt
• mpn: 25-504
• part type: Bearing Pin Engine
• country of origin: United States

offer traiparboa:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: May 26, 2026
• quantity: 5

general traiparboa:

• condition: New
• Parts Accessories > Boat Parts > Trailer Parts

returns traiparboa:

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

shipping traiparboa:

• type: Fixed
• carrier: USPS
• transit: 2-4 Days
• cost: $16.00
• service: USPS Priority Mail
• class: Expedited

seller traiparboa:

• rating: 99.5%
• # reviews: 703
• city: 33770

payments traiparboa:

• credit card: Mastercard
• wallet: Apple-pay
• other

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