1 1

Fortpro

Piston Ring Set .020 in/.50mm for Cummins 4B 3.9 / 6B 5.9 - Replaces 3802232

Piston Ring Set .020 in/.50mm for Cummins 4B 3.9 / 6B 5.9 - Replaces 3802232

SKU: F020602

Availability: Out of stock

$8.66 USD
$9.06 USD $8.66 USD
Sale Sold out
Shipping calculated at checkout.

Important things to Consider

CHECK COMPATIBILITY: Ensure that your OEM part number matches the one in our cross-reference list before making a purchase.

PREVENT UNNECESSARY RETURNS: Don’t rely on appearance alone. Always confirm compatibility by verifying part numbers, not just how the part looks.

TRUCK BRAND MENTION DOES NOT GUARANTEE FIT: If we reference a specific truck brand, it doesn’t imply compatibility with all models. Double-check model specifics to avoid any mismatch.

Shipping Policy

In order to send your purchase, our company may use different freight companies like USPS, UPS and some 3erd Carrier Services for Oversize orders, this will not affect the final price of your order. We will send you all the information in due time. 

For Free Shipping and Freight/Oversize Shipments they are some special term you may check at our Terms & Conditions page.

 

Return Policy

If for any reason you need to return a purchased item, we have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must met the conditions stablished in our Terms & Conditions.

To start a return, you can contact us at admin@maxitrucks.com. 

About this Item

  • Regulates the amount of oil on the cylinder walls, avoiding excessive oil consumption and reducing smoke emissions.
  • Oversized Precision at .020 in / .50 mm in size, these rings ensure a perfect fit on cylinders that have been bored, restoring the original sealing and compression.
  • Helps maintain engine efficiency by preventing compression leaks and ensuring complete combustion.
  • Manufactured from durable steel alloys and advanced coatings to resist wear and extend engine life.
  • Replaces OEM part numbers 3802232, 505081, ensuring performance that meets manufacturer standards.
View full details

Fortpro Piston Ring Set .020 in/.50mm Size for Cummins 4B 3.9 / 6B 5.9 Engines is the ideal solution for restoring the performance of engines that require reground cylinders. This set of oversize rings provides a precise fit that ensures a perfect seal and optimal compression, returning your engine to its original efficiency and power. Made from durable, wear-resistant materials, these rings ensure long-lasting, reliable operation. Compatible with OEM part numbers 3802232 and 505081, they are perfect for applications that demand quality and precision.


Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.

Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.

  • Brand: Fortpro
  • Vehicle Type: Semi-Trucks / Heavy Trucks
  • Product Department: Engine
  • Product category : Cummins Parts
  • Part Type: Piston Ring Set
  • OEM Reference #: 3802232
  • Material: Steel Alloy
  • Oversize: .020in/.50mm
  • Bore Diameter: 4.015 in.
  • Ring Count: 3
  • Applications:
    Cummins 4B 3.9 Engine
    Cummins 6B 5.9 Engine
  • Cummins: 3802232
  • PAI: 505081
Dimensions Not Available.