JLO 438.05.910-10 Rockwell Piston 438.05.910/10 LR-440/2

( Brand: Jlo ), ( Manufacturer Part Number: 438.05.910/10 ), ( Part Type: Piston ), ( Country Of Origin: United States )

Review JLO 438.05.910/10 Vintage Snowmobile Rockwell Lr-440/2 Bore Piston New Oem fits STD

Introducing the JLO 438.05.910/10 Rockwell LR-440/2 standard piston, a high-performance hydraulic component engineered for durability and reliability. This piston is designed to meet the demanding requirements of various industrial applications, making it an ideal choice for heavy-duty equipment.

The JLO 438.05.910/10 Rockwell LR-440/2 standard piston is manufactured using premium materials, including a forged steel piston body and high-tensile steel piston crown. This construction ensures exceptional strength and resistance to wear and tear, even in the most challenging operating conditions.

The piston features a precision-machined piston crown with a honed surface finish, which provides optimal sealing and reduces friction. The piston also comes with a nitrided skirts surface treatment, which enhances the piston's resistance to scuffing and scoring.

The JLO 438.05.910/10 Rockwell LR-440/2 standard piston is designed to work with a variety of hydraulic systems, making it a versatile option for different applications. It has a standard piston size of 438.05 mm and a piston stroke length of 910 mm, allowing it to deliver a substantial hydraulic force.

The piston's piston ring grooves are precision-machined to ensure proper ring fitment and sealing, while the piston pin bore is designed to accommodate a standard piston pin size of 2 inches. The piston also features a piston pin retainer to ensure secure retention of the piston pin.

The JLO 438.05.910/10 Rockwell LR-440/2 standard piston is engineered to provide excellent thermal stability, ensuring that it maintains its dimensional accuracy and sealing performance even under high temperatures. Its robust design makes it suitable for use in a wide range of industries, including mining, construction, agriculture, and manufacturing.

In conclusion, the JLO 438.05.910/10 Rockwell LR-440/2 standard piston is a high-performance hydraulic component designed for durability, reliability, and versatility. Its premium construction, precision-machined components, and standard piston size make it an excellent choice for a range of heavy-duty industrial applications.

The JLO 438.05.910/10 Rockwell LR-440/2 standard piston is a hydraulic component used in various industrial applications. Here are some pros and cons of buying this piston:

1. High Quality: This piston is manufactured by JLO, a reputable brand in the hydraulic industry. It is known for its durability and reliability, making it a great choice for heavy-duty applications.

2. Standard Size: The LR-440/2 piston is a standard size, which makes it easily interchangeable with other hydraulic components. This can save time and money in the long run as it eliminates the need for custom-made parts.

3. Good Sealing: The piston features a good sealing system, which helps to minimize hydraulic leaks and maintain the system's efficiency.

4. Wide Range of Applications: This piston is suitable for a wide range of industrial applications, including construction, mining, forestry, and agriculture.

1. Price: The JLO 438.05.910/10 Rockwell LR-440/2 standard piston is more expensive than some other pistons in the market. This may be a concern for those on a tight budget.

2. Heavy: The piston is relatively heavy, which may make it difficult to transport or handle for some users.

3. Requires Regular Maintenance: Like all hydraulic components, this piston requires regular maintenance to ensure its longevity and optimal performance.

The JLO 438.05.910/10 Rockwell LR-440/2 standard piston is a high-quality hydraulic component that offers durability, reliability, and a standard size that can save time and money. However, it comes with a higher price tag and requires regular maintenance. If your application demands a heavy-duty, reliable hydraulic component and budget is not a constraint, then this piston is a great choice. However, if you are on a tight budget, there are other options in the market that may be more affordable.

If you are looking for a heavy-duty, reliable hydraulic piston and budget is not a constraint, then the JLO 438.05.910/10 Rockwell LR-440/2 standard piston is a great choice. It offers durability, reliability, and a standard size that can save time and money in the long run. However, if you are on a tight budget, consider exploring other options in the market that may be more affordable while still meeting your application requirements.

Details:

This DOES NOT include pin and clips. Looked the part number up in my old parts book and found that these will fit following motors, may others too, JLO LR-440/2 67.43 is stamped on top of piston. This listing is for a set of NEW OEM Rockwell JLO standard bore piston with rings. The part number for this is 438.05.910/10.

part #: 4380591010 prices

• $39.99-$49.99

specifications enginesnowmobile:

• for models: Std
• brand: Jlo
• mpn: 438.05.910/10
• part type: Piston
• country of origin: United States

shipping enginesnowmobile:

• cost: $0.00
• type: Fixed
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• transit: 2-6 Days

payments enginesnowmobile:

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

returns enginesnowmobile:

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

seller enginesnowmobile:

• rating: 99.9%
• # reviews: 15791
• city: Aitkin, Minnesota

general enginesnowmobile:

• condition: New other see details
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

offer enginesnowmobile:

• started: April 7, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

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