RAREELECTRICAL B393-2889A2 Piston Ring Set 308E2/308.5 0.50MM 94MM

( Brand: Rareelectrical ), ( Manufacturer Part Number: B393-2889A2 ), ( Type: Ring Set ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Item Weight: 1.5000 ), ( Source: Aftermarket )

Review RAREELECTRICAL Piston Ring Set Fits Caterpillar 308e2/308.5 0.50mm 94mm 393-2889 fits 2005–2026

The B393-2889A2 piston ring set is a crucial component for the Caterpillar 308e2/308.5 engine models produced between 2005 and 2026. This ring set is specifically designed for engines with a 0.50mm ring gap and a 94mm bore size.

Each piston ring in this set is meticulously engineered to ensure optimal engine performance. The top compression ring is responsible for sealing the combustion chamber and maintaining the compression ratio necessary for efficient fuel combustion. The second compression ring, also known as the oil control ring, is responsible for controlling oil consumption and preventing oil from entering the combustion chamber during the power stroke. The grooved scraper ring helps in removing the carbon deposits from the piston surface, thereby maintaining the engine's efficiency and longevity.

These piston rings are manufactured using high-quality materials that offer superior wear resistance and durability. The top compression and second compression rings are made of a nitrided steel alloy, while the scraper ring is made of a cast iron material. The rings are also precisely machined to ensure a perfect fit and minimize the possibility of engine damage during installation.

The B393-2889A2 piston ring set comes with all three rings required for each cylinder. The set is designed to be an OEM (Original Equipment Manufacturer) replacement, ensuring that it meets or exceeds the original equipment specifications for the Caterpillar 308e2/308.5 engines.

Installing these piston rings requires careful attention to detail and the proper installation tools. It is highly recommended to follow the installation instructions provided by Caterpillar or a qualified engine mechanic to ensure the rings are installed correctly and do not cause any damage to the engine.

In summary, the B393-2889A2 piston ring set is a critical component for the Caterpillar 308e2/308.5 engines produced between 2005 and 2026. This set of three piston rings, including the top compression ring, second compression ring, and scraper ring, are precisely engineered to provide optimal engine performance, durability, and efficiency. With their high-quality materials and precise machining, these rings offer a long-lasting solution for maintaining the performance and longevity of your Caterpillar engine.

Buying a piston ring set, such as the Caterpillar part number B393-2889A2, can be an essential investment for maintaining the performance and longevity of a Caterpillar 308E2/308.5 engine. Let's examine some potential pros and cons of purchasing this piston ring set.

1. Ensures Engine Performance: Worn or damaged piston rings can significantly impact engine performance. Replacing them with new ones can help restore power loss, improve combustion efficiency, and ensure proper sealing.

2. Prevents Engine Damage: Worn or damaged piston rings can lead to oil leaks, loss of compression, and even engine failure. By replacing them with new ones, you can prevent further damage and save costly repair bills.

3. Improves Engine Longevity: Regularly replacing piston rings can help extend the life of your engine. Worn rings can cause excessive wear on other engine components, leading to costly repairs or even engine replacement.

4. Increases Engine Efficiency: New piston rings can help improve engine efficiency by ensuring proper sealing and reducing oil consumption.

5. OEM Part: The B393-2889A2 piston ring set is a factory original equipment (OEM) part, meaning it is specifically designed for your engine and manufactured by Caterpillar. Using OEM parts can help ensure proper fit, function, and durability.

1. Cost: Piston ring sets can be expensive, especially for heavy-duty equipment like Caterpillar engines. The cost of the B393-2889A2 piston ring set may be prohibitive for some budgets.

2. Labor Costs: Installing piston rings can be a complex and time-consuming process. Labor costs for removing the engine, installing the new piston rings, and reinstalling the engine can add significantly to the overall cost.

3. Availability: Depending on your location and the availability of parts suppliers, it may be difficult to find the B393-2889A2 piston ring set. This could result in extended downtime for your equipment.

4. Limited Use: The B393-2889A2 piston ring set is designed specifically for the Caterpillar 308E2/308.5 engine. It may not be compatible with other engine models, limiting its usefulness for other applications.

In conclusion, the decision to purchase the B393-2889A2 piston ring set for a Caterpillar 308E2/308.5 engine depends on various factors, including the current condition of the engine, budget, availability, and the importance of maintaining optimal engine performance. The pros, such as engine performance, preventing engine damage, improving engine longevity, and increasing engine efficiency, generally outweigh the cons. However, the cost and labor expenses associated with the purchase and installation of the piston ring set should be considered. Ultimately, if you value the performance and longevity of your Caterpillar engine, investing in a new piston ring set like the B393-2889A2 can be a worthwhile investment.

Details:

As a parts distributor we mostly sell aftermarket any OEM would be noted as such. Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. All parts sold are new. Piston Ring Set Fits Caterpillar 308E2/308.5 0.50mm 94mm 2005 2026 393-2889: Replaces Part Numbers Specifications.

OEM PART NUMBERS: Caterpillar: 393-2889 0.50mm oversize ring set, 387-9836 Standard bore set same engine , SPECIFICATIONS: Size: 0.50mm, Bore Diameter: 94.0mm 3.701 , Ring Configuration: 3-Ring, Set Coverage: Per Cylinder, Engine: C3.3B, condition: New, APPLICATION: Compatible with Caterpillar 246 2005 -2026, Product Notice.

part #: b3932889a2 prices

• $79.27-$138.61

specifications pistondon:

• for makes: Caterpillar
• for years: 2005-2026
• brand: Rareelectrical
• mpn: B393-2889a2
• type: Ring Set
• california prop 65 warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
• item weight: 1.5000
• source: Aftermarket

general pistondon:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits

payments pistondon:

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

shipping pistondon:

• type: Fixed
• service: Economy, Standard, Expedited, Overnight
• transit: 3-7 Days
• class: Economy, Standard, Expedited, One-day
• cost: $0.00

seller pistondon:

• # reviews: 121625
• city: Atlanta, Georgia
• rating: 99.1%

offer pistondon:

• availability: In Stock
• sold: 0
• started: March 16, 2026
• options: Ship-to-home
• quantity: 6

returns pistondon:

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

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