JE PISTONS 398761 Piston Kit 0910-7007 4.080 4.500 12.0

( Brand: Je Pistons ), ( Manufacturer Part Number: 398761 ), ( Part Type: Piston )

Review JE PISTONS Piston Kit 4.080 Inch Bore 4.500 Stroke 12.0 fits 500 CR

The Je pistons 398761 0910-7007 piston kit is a premium solution for engine upgrade or rebuild projects in Caterpillar C15, C18, and similar engines with a stroke length of 4.080 inches and a piston pin diameter of 4.500 inches. This piston kit is suitable for an engine size of 12.0 liters.

Each piston in this kit is meticulously designed and manufactured to meet the highest standards of quality and performance. The piston crown is engineered with a compact, full-floating design that ensures optimal combustion efficiency and durability. The piston skirt features a two-piece design with an optimized shape that provides a perfect seal and minimizes friction between the piston and the cylinder wall.

The piston rings included in this kit are made of high-quality, heat-resistant materials that provide excellent sealing performance and prolong engine life. The piston pin is precision-machined from high-tensile steel and is equipped with a robust, full-floating design that reduces the risk of piston damage during engine operation.

The piston kit also includes piston pin retainers, wrist pins, and piston pin bushings, which are all engineered to provide reliable and long-lasting performance. The piston kit is backed by Je's industry-leading warranty, ensuring customer peace of mind and confidence in their engine upgrade or rebuild project.

In summary, the Je pistons 398761 0910-7007 piston kit is a top-tier solution for engine upgrade or rebuild projects that require pistons with a stroke length of 4.080 inches, a piston pin diameter of 4.500 inches, and a piston size of 12.0 liters. This piston kit is designed to provide optimal combustion efficiency, durability, and reliability, making it an excellent choice for heavy-duty engine applications.

Pros and Cons of Buying Je Pistons 398761 0910-7007 Piston Kit (4.080 4.500 12.0 CR)

The Je Pistons 398761 0910-7007 Piston Kit (4.080 4.500 12.0 CR) is a popular choice among Jeep Wrangler owners for engine upgrades or rebuilds. This piston kit is designed for engines with a stroke length of 4.080 inches and a compression ratio of 12.0:1. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this piston kit.

1. High-Quality Material: Je Pistons are known for their durable forged pistons made from 2618-T6 aluminum alloy, ensuring superior strength and reliability.

2. Improved Performance: This piston kit can lead to increased horsepower and torque, enhancing the overall performance of your Jeep Wrangler engine.

3. Better Compatibility: This piston kit is specifically designed for Jeep Wrangler engines, ensuring a precise fit and proper function within the engine.

4. Enhanced Durability: Forged pistons are more resilient than cast pistons, making this piston kit ideal for high-performance applications and off-road driving conditions.

5. OE Quality: Je Pistons is an original equipment manufacturer (OEM) for many Jeep vehicles, meaning this piston kit is manufactured to the same standards as those used in factory-built Jeeps.

1. Cost: The Je Pistons 398761 0910-7007 Piston Kit is priced higher than some aftermarket alternatives, making it a more significant investment for some Jeep owners.

2. Complex Installation: Installing a piston kit can be a complex and time-consuming process, requiring specialized tools and knowledge.

3. Potential for Engine Damage: Improper installation or use of incorrect components can result in engine damage, which could be costly to repair.

4. Potential for Noise: The forged pistons in this kit may produce more noise than cast pistons, which could be a concern for some Jeep owners.

The Je Pistons 398761 0910-7007 Piston Kit (4.080 4.500 12.0 CR) offers several advantages, such as high-quality materials, improved performance, better compatibility, enhanced durability, and OE quality. However, it also comes with some disadvantages, including a higher cost, complex installation, potential for engine damage, and increased noise.

If you are a Jeep Wrangler owner seeking improved engine performance, enhanced durability, and the peace of mind that comes with OE quality components, the Je Pistons 398761 0910-7007 Piston Kit is an excellent investment. However, it is crucial to ensure proper installation and use of compatible components to avoid potential issues. If you are unsure about the installation process or have any concerns, it is recommended to consult a professional mechanic or Jeep specialist.

Details:

Skirt coating reduces operating friction and wear. Specs: Stroke length 4.5 Product Name Piston Kit, Riding Street, Bore Size 4.080, Units Material Forged 2618 Aluminum, Compression Ratio 12.0:1, Displacement 108. This fitment information is based upon the stock version of motorcycle or unit referenced and any accessory added other modification could invalidate quick reference provided. Offset pins reduce piston rock and minimize operating noise.

Accumulator groove taps combustion gases below the top ring to promote more consistent, positive seal and performance. Includes two Pistons, premium ring packs, wrist pins and wire locks. Skirt notches for optimal clearance at bottom dead center.

part #: 398761 prices

• $376.30-$474.99

specifications pistondon:

• for models: 500, Cr
• brand: Je Pistons
• mpn: 398761
• part type: Piston

offer pistondon:

• availability: In Stock
• sold: 0
• quantity: 9
• started: January 21, 2026
• options: Ship-to-home

general pistondon:

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

seller pistondon:

• city: Omaha, NE
• rating: 100.0%
• # reviews: 3567

payments pistondon:

• wallet: Paypal
• credit card: Diners-club
• other

shipping pistondon:

• service: FedEx Ground / FedEx Home Delivery, USPS First Class, USPS Priority Mail, UPS Ground
• transit: 2-5 Days
• class: Standard, Expedited
• type: Fixed
• carrier: FedEx, USPS, UPS
• cost: $0.00

returns pistondon:

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

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