Skip to product information
Turbo T04B91 Turbocharger 4N6858 for Caterpillar Loader 941 951B 951C 955K 955L

Turbo T04B91 Turbocharger 4N6858 for Caterpillar Loader 941 951B 951C 955K 955L

Write Review

Your Source for Aftermarket Parts

$593.59
Sale price  $593.59 Regular price 

Available to Order

Usually ships in 2–4 business days.
This Turbo T04B91 Turbocharger is a high-quality aftermarket replacement part compatible with Caterpillar Loader 941, 951B, 951C, 955K, 955L and matches OEM Part# 4N6858.
Industrial Retailer parts support representative

Need help finding the right part? Talk with a parts expert today.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

Call us

I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This heavy-duty T04B91 turbocharger is engineered to restore power and efficiency to Caterpillar loaders. Built for durability in demanding environments, it provides reliable performance and a precise fit for specific CAT machinery.

Key Features & Performance

  • Durability: Manufactured with high-grade materials to withstand extreme temperatures and pressure.
  • Precision Engineering: Designed to meet or exceed OEM performance standards for optimal boost and airflow.
  • Direct Replacement: Bolt-on installation for seamless integration with existing engine components.

Fitment & Compatibility

  • Compatible Models: Caterpillar Loader 941, 951B, 951C, 955K, 955L
  • Part Number(s): 4N6858, T04B91

Technical Specifications

  • Model: T04B91
  • Application: Heavy-Duty Caterpillar Loaders
  • Part Type: Turbocharger

Frequently Asked Questions

Q: Does this turbocharger include the necessary gaskets for installation?

A: Most units are supplied as the turbocharger only; please verify if additional installation hardware is included in the specific package.

Q: Is this unit a new aftermarket part or a remanufactured unit?

A: This is a brand new high-quality aftermarket replacement part designed for long-term service life.

Compatibility may vary by serial number. Verify fitment before purchase.

Customers also purchased

Keywords (Used as search references only) View IP policy.