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Fortpro

Connecting Rod Bushing for Cummins 4B / 6B / ISB / QSB - Replaces 3901085

Connecting Rod Bushing for Cummins 4B / 6B / ISB / QSB - Replaces 3901085

SKU: F020630

Availability: Out of stock

$4.32 USD
$4.32 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

  • Designed to reduce friction between the piston and connecting rod, allowing smooth and efficient movement.
  • Helps distribute forces evenly, minimizing wear on the piston pin and connecting rod.
  • Reduces friction, leading to better engine performance and lower fuel consumption.
  • Compatible with Cummins 4B 3.9, 6B 5.9, ISB, and QSB engines, ensuring precise fitment and optimal performance.
  • Manufactured with wear-resistant materials, offering durability and reliability in extreme conditions.
View full details

Fortpro Connecting Rod Bushing for Cummins 4B 3.9 / 6B 5.9 / ISB / QSB Engines is the ideal solution to restore and maintain the performance of your engine. Made from high quality materials, this bushing offers a precise fit that reduces friction and improves engine efficiency. Compatible with OEM part numbers 3901085, 4891178, and 151514, it provides the reliability and durability you need to withstand the most demanding conditions. With a design that facilitates installation, this connecting rod bushing ensures smooth and quiet operation, optimizing overall engine performance and prolonging its life.


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: Connecting Rod Bushing
  • OEM Reference #: CUM3901085, 3901085
  • Material: Metal Alloy
  • Applications:
    Cummins 4B 3.9 Engine
    Cummins 6B 5.9 Engine
    Cummins ISB Engine
    Cummins QSB Engine
  • Cummins: CUM3901085, 3901085, 4891178
  • PAI: 151514
Dimensions Not Available.