S3B085 Turbocharger Cartridge 174840 180953 185041 187183 188891 194768 199453 20705144 3580250 474840 480953 487183 488891 494768 499453 631GC436 631GC468 631GC468X 631GC5106P23 631GC5106P3 631GC5114 Turbo Chra Core for Mack Truck With E6 Engine

S3B085 Turbocharger Cartridge (CHRA) For Mack Truck With E6 Engine

Product Model & Part Numbers

Turbocharger Cartridge Model:S3B085 CHRA

OEM & Cross Reference Numbers:174840 180953 185041 187183 188891 194768 199453 20705144 3580250 474840 480953 487183 488891 494768 499453 631GC436 631GC468 631GC468X 631GC5106P23 631GC5106P3 631GC5106P4 631GC5107 631GC5114 631GC5114X 631GC5117P10 631GC5117P9 631GC5134 631GC5134X 7000-007-0182 70000070182

Engine Model:Mack E6 Diesel Engine

Vehicle Application:Mack Truck

Product Type:Turbocharger Cartridge / CHRA Core

Overview

The S3B085 turbocharger cartridge (CHRA) is a high-quality replacement core designed specifically for Mack trucks equipped with the E6 diesel engine.

This CHRA assembly provides a cost-effective and reliable solution for restoring turbocharger performance without replacing the complete turbo unit. It is ideal for fleet operators, rebuild shops, and professional mechanics looking to fix issues such as oil consumption, shaft play, power loss, or turbo failure caused by worn bearings or damaged rotating components.

Manufactured with precision-balanced rotating assemblies and high-temperature-resistant materials, the S3B085 CHRA ensures stable boost pressure, smooth operation, and long service life under heavy-duty highway and vocational truck applications.

Key Features

OEM-Compatible CHRA Design

Direct replacement cartridge for S3B-series turbochargers used on Mack E6 engines.

Cost-Effective Turbo Repair Solution

Restores turbo performance without the expense of a complete turbocharger replacement.

Precision Balanced Assembly

High-speed dynamic balancing minimizes vibration and extends bearing and shaft life.

Heavy-Duty Bearing System

Designed for continuous high-load diesel truck operation.

Improved Boost Stability

Restores airflow efficiency and consistent boost pressure.

High-Temperature Resistance

Built to withstand sustained exhaust temperatures in heavy-duty trucking.

Applications

• Mack trucks with E6 diesel engines
• S3B-series turbocharger rebuilds
• Fleet maintenance and turbo refurbishment
• Professional turbo repair workshops
• OEM turbocharger cartridge replacement

Benefits

• Restores factory turbo performance
• Reduces oil leakage and shaft play
• Improves engine power and torque response
• Extends turbocharger service life
• Lowers repair costs compared to full turbo replacement
• Ideal for heavy-duty truck rebuild programs

Technical Specifications

Installation & Maintenance Guide

Installation Steps

• Disassemble the turbocharger housing carefully
• Clean turbine and compressor housings thoroughly
• Inspect housings for cracks or damage
• Install the S3B085 CHRA into the original housings
• Ensure correct alignment of oil passages
• Torque fasteners to OEM specifications
• Prime the CHRA with clean engine oil
• Start engine and idle for 3–5 minutes
• Check for oil or boost leaks

Maintenance Tips

• Use high-quality diesel engine oil and change regularly
• Maintain clean air filtration to prevent debris damage
• Inspect oil feed and return lines periodically
• Allow engine to idle before shutdown after long-haul operation

Usage Scenarios

• Long-haul and regional Mack trucks
• Fleet turbo rebuild and refurbishment
• Workshop turbo repair services
• Engine overhaul and reconditioning projects
• Cost-sensitive turbo maintenance solutions

FAQ

Q1: Is this CHRA compatible with all Mack E6 turbos?
Yes, it is designed to match S3B-series turbochargers used on Mack E6 engines with the listed part numbers.

Q2: Why choose a CHRA instead of a complete turbo?
A CHRA replacement is more cost-effective and restores performance when housings are still in good condition.

Q3: Is professional installation recommended?
Yes, professional installation ensures proper balancing, alignment, and oil priming.

Q4: What warranty is provided?
A 6-month warranty covering manufacturing defects.

Q5: Will this CHRA fix oil leakage issues?
Yes, replacing worn bearings and seals helps eliminate oil leakage caused by CHRA wear.

About Us

Fengcheng Zhongke Turbocharger Co., Ltd., founded in 2001, is a professional manufacturer specializing in turbochargers, CHRAs, and turbo components for trucks, construction machinery, industrial engines, and marine applications.

Why Choose Us

• OEM-standard manufacturing and strict quality control
• Advanced dynamic balancing and durability testing
• Over 20 years of turbocharger engineering experience
• Trusted by global distributors, fleet operators, and repair workshops

We focus on delivering reliable, durable, and cost-effective turbo solutions for heavy-duty diesel engines worldwide.

S3B085 Turbocharger Cartridge CHRA for Mack E6 Engine | Heavy Duty Truck Turbo Core Buy S3B085 turbocharger cartridge (CHRA) for Mack E6 diesel engines. OEM replacement core, precision balanced, ideal for truck turbo rebuilds.

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