Catalog of Manifolds for Cummins Marine & Industrial Engines

Diesel Pro Power offers a complete catalog of aftermarket exhaust manifolds for Cummins marine and industrial engines. Whether you're operating a small fishing vessel, managing a fleet of commercial boats, or running power-generation equipment, you’ll find exactly what you need with our model-specific product listings. All manifolds are designed for optimal flow, corrosion resistance, and reliable long-term operation — even in the most demanding environments.

Below you will find a detailed breakdown by engine family. Each section lists the components available for that specific Cummins engine and includes the phrase “” — a placeholder you can replace with internal links to your website’s product catalog pages.

B Series Diesel Manifolds

The B Series engines are common in mid-size vessels and stationary setups. We carry manifolds for all B Series variants including naturally aspirated and turbocharged models.

Manifold Catalog for Cummins 4B Engines

The Cummins 4B is a 4-cylinder, naturally aspirated diesel engine frequently used in marine generators and light commercial vessels.

Available Components:

• Exhaust Manifold Assembly

• Mounting Gaskets

• Turbocharger Flange Kits (for converted/turbo variants)

• Water-Cooled Manifold Options

• Screw for the Exhaust Manifold for Cummins 
  
  

• Exhaust Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for manifold flange
  
  
• Muffler for industrial engineCap for engine muffler

Manifold Catalog for Cummins 4BT Engines

The 4BT adds a turbocharger for improved performance and power density in compact engine bays.

Available Components:

• Turbo-Compatible Exhaust Manifold

• Manifold Gasket Set

• Turbo Support Brackets and Flange Kits

• Optional Water-Cooled Configuration

• Screw for the Exhaust Manifold for Cummins 
  
  

• Exhaust Manifold Gasket for Cummins 
  
  
• Intake Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler
  
  

Manifold Catalog for Cummins 4BTA Engines

A turbocharged and aftercooled version of the 4BT, the 4BTA is designed for higher endurance applications.

Available Components:

• High-Temperature Exhaust Manifold

• Full Mounting Hardware Kit

• Aftercooler and Turbocharger Flange Kits

• Water-Cooled Option with Marine Compatibility

• Screw for the Exhaust Manifold for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Intake Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins 6B Engines

The 6B is a naturally aspirated 6-cylinder that often serves in backup power systems and auxiliary marine power units.

Available Components:

• Cast Exhaust Manifold Assembly

• Heat-Tolerant Gaskets

• Flange Adapters for Generator Systems

• Water-Cooled and Dry Manifold Styles

• Marine water-cooled manifold for Cummins 
  
  
• Screw for the Exhaust Manifold for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Intake Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins 6BT Engines

The turbocharged 6BT offers higher output with proven reliability across both land and marine applications.

Available Components:

• Turbo Exhaust Manifold

• Heavy-Duty Gasket Kit

• Turbo Mounting Brackets

• Optional Marine Water-Cooled Designs

• Marine water-cooled manifold for Cummins 
  
  
• Screw for the Exhaust Manifold for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw  for Cummins 
  
  
• Intake Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins 6BTA Engines

The aftercooled 6BTA engine is popular in commercial marine operations.

Available Components:

• Marine-Grade Exhaust Manifold

• Exhaust Couplers and Hump Hose Kits

• Turbo Mount and Flange Assembly

• Wet Manifold Configurations for Seawater Cooling

• Marine water-cooled manifold for Cummins 
  
  
• Screw for the Exhaust Manifold for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Intake Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins ISB Engines

Manifold Catalog for Cummins ISB 4.5 Engines

• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins ISB 5.9 Engines

• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins ISB 6.7 Engines

The electronically controlled ISB is frequently used in industrial generators and marine auxiliaries.

Available Components:

• Precision-Cast Manifold

• Flanged for Turbo Support

• Complete Gasket Kit

• Wet or Dry Variant for Custom Setup

• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSB 4.5 Engines

The QSB series adds quiet, clean power delivery with high efficiency in marine propulsion.

Available Components:

• Corrosion-Resistant Exhaust Manifold

• V-Band Clamps, Gaskets, Flanges

• Water-Cooled Marine Style

• Turbo Compatible
  
  

• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSB 5.9  Engines

The QSB series adds quiet, clean power delivery with high efficiency in marine propulsion.

Available Components:

• Corrosion-Resistant Exhaust Manifold

• V-Band Clamps, Gaskets, Flanges

• Water-Cooled Marine Style

• Turbo Compatible

• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSB 6.7  Engines

The QSB series adds quiet, clean power delivery with high efficiency in marine propulsion.

Available Components:

• Corrosion-Resistant Exhaust Manifold

• V-Band Clamps, Gaskets, Flanges

• Water-Cooled Marine Style

• Turbo Compatible

• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSB 7 Engines

The QSB series adds quiet, clean power delivery with high efficiency in marine propulsion.

Available Components:

• Corrosion-Resistant Exhaust Manifold

• V-Band Clamps, Gaskets, Flanges

• Water-Cooled Marine Style

• Turbo Compatible

• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

C Series Diesel Manifolds

C Series engines power many working vessels, offering excellent mid-range torque.

Manifold Catalog for Cummins 6C Engines

Available Components:

• Marine and Industrial Exhaust Manifold

• Turbo Flange Sets

• Vibration-Resistant Gaskets

• Raw Water Cooling Compatibility

• Exhaust Manifold Marine for Cummins 6C, 6CT, and 6CTA
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Intake Manifold Cover Gasket for Cummins 
  
  
• Intake Connection Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins 6CT Engines

Available Components:

• Turbo-Ready Manifold

• 3-Piece Manifold Designs

• Reinforced Flanges for Long Life

• Mounting Kits and Hardware

• Exhaust Manifold Marine for Cummins 6C, 6CT, and 6CTA
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Intake Manifold Cover Gasket for Cummins 
  
  
• Intake Connection Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins 6CTA Engines

Available Components:

• Marine Coated Exhaust Manifold

• Complete Gasket and Bolt Kit

• Aftercooler Ports Available

• Compatible with Marine Turbochargers

• Exhaust Manifold Marine for Cummins 6C, 6CT, and 6CTA
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Intake Manifold Cover Gasket for Cummins 
  
  
• Intake Connection Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins ISC Engines

Available Components:

• Exhaust Manifold with Turbo Mount

• Full Installation Hardware

• Heat-Treated Castings

• Available Wet Manifold Variants

• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Intake Manifold Cover Gasket for Cummins 
  
  
• Intake Connection Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSC Engines

Available Components:

• Precision-Machined Exhaust Manifold

• Custom Gasket and Mount Kit

• Anti-Corrosion Finish for Marine Use

• Designed for Efficient Gas Flow

• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Intake Manifold Cover Gasket for Cummins 
  
  
• Intake Connection Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

K Series Marine Manifolds

Heavy-duty powerplants with high airflow demands.

Manifold Catalog for Cummins KTA19 Engines

Available Components:

• Exhaust Manifold with Turbo Flange

• Marine-Ready Cooling Channels

• Stainless Hardware Kits

• Segmental Designs for Easier Installation

• Turbo Mounting Gasket for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins KTA38 Engines

Available Components:

• Oversized Marine Manifold

• Wet and Dry Section Options

• Custom Turbo Position Mounts

• Triple Segment Installation Kit

• Turbo Mounting Gasket for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins KTA50 Engines

Available Components:

• Ultra-Heavy-Duty Exhaust Manifold

• Compatible with Multi-Turbo Systems

• Heat Shield Kits and Reinforced Hardware

• Saltwater Corrosion Protection

• Turbo Mounting Gasket for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSK19 Engines

Available Components:

• Emissions-Ready Manifold System

• High Output Gas Flow Design

• Marine Water-Jacketed Assembly

• Turbo Gasket and Clamp Set

• Turbo Mounting Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

855 Series Diesel Manifolds

Built for legacy marine and mining applications.

Manifold Catalog for Cummins NH855 Engines

Available Components:

• Exhaust Manifold for Industrial & Marine Use

• Heavy Cast Iron Construction

• Marine Jacketed Options

• Turbo Mount Ready

• Exhaust Manifold for Cummins NH855 and NT855 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins NT855 Engines

Available Components:

• Exhaust Manifold Assembly

• Reinforced Turbo Flange Kit

• Wet Manifold Option

• All Mounting Hardware Included

• Exhaust Manifold for Cummins NH855 and NT855
  
  
• Exhaust Manifold Gasket
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

M Series Diesel Manifolds

Manifold Catalog for Cummins M11 Engines

Available Components:

• Exhaust Manifold System

• Turbo Mounting Plates

• Seawater-Resistant Flanges

• Marine Configurations Available

• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins ISM Engines

Available Components:

• High Temp Exhaust Manifold

• Turbo Support Kit

• Complete Mounting Hardware

• Marine and Industrial Versions

• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins ISMe Engines

Available Components:

• Manifold Assembly

• Flange Clamp Kit

• Heat-Treated Metal for High RPM Loads

• Option for Wet or Dry Setup

L Series Diesel Manifolds

Manifold Catalog for Cummins L10 Engines

Available Components:

• Exhaust Manifold

• Gasket and Clamp Kit

• Turbocharger Mounting

• Dry and Water-Jacketed Options

• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins ISL Engines

Available Components:

• Full Exhaust Flow System

• Reinforced Turbo Flange

• Marine Water-Jacketed Configurations

• Cast High-Density Steel Options

• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• EGR Valve Gasket for Cummins 
  
  
• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSL9 Engines

Available Components:

• Marine-Grade Manifold

• Flange Bolt Kit and Mounts

• Turbo-Ready Configuration

• Dry or Wet Styles

• Turbo Mounting Gasket for Cummins 
  
  
• Hexagon Flange Head Cap Screw for Cummins 
  
  
• Exhaust Manifold Outlet Connection Gasket for Cummins 
  
  
• Exhaust Manifold Gasket for Cummins 
  
  
• EGR Valve Gasket Cummins
  
  
• Intake Manifold Cover Gasket for Cummins 
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

X Series Diesel Manifolds

Manifold Catalog for Cummins ISX Single Cam Engines

Manifold Catalog for Cummins ISX Dual Cam Engines

Available Components:

• High-Output Exhaust System

• Turbo Support Kits

• Reinforced Multi-Point Mount

• Water-Cooled for Marine Use

• EGR Cooler for ISX Cummins engines
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Exhaust clamp for Cummins ISX and QSX engines
  
  
• Clamp for exhaust for Cummins ISX and QSX
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

Manifold Catalog for Cummins QSX Engines

Available Components:

• Full Flow Exhaust Manifold

• Sealing Hardware Set

• Anti-Corrosion Finish

• Marine or Land Install Kits

• Valve cover gasket for Cummins ISX and QSK engines
  
  
• Manifold insulation tape
  
  
• Flange for industrial exhaust manifold
  
  
• Gasket for the manifold flange
  
  
• Exhaust clamp for Cummins ISX and QSX engines
  
  
• Clamp for exhaust for Cummins ISX and QSX
  
  
• Muffler for industrial engine
  
  
• Cap for engine muffler

The Critical Role of the Manifold in Cummins Engines

What Does a Manifold Do?

The manifold’s primary function is to collect and direct hot exhaust gases from the engine’s cylinders and deliver them to the turbocharger or the exhaust system. In marine engines, manifolds are often water-cooled to reduce heat and prevent damage to other components. In industrial engines, they serve a similar function, though cooling may vary based on the setup.

A properly functioning manifold:

• Prevents exhaust leaks

• Reduces engine compartment temperatures

• Protects components such as turbochargers and valves

• Ensures efficient engine breathing and optimal combustion

Over time, manifolds can crack, corrode, or warp under extreme temperature fluctuations or from saltwater exposure, particularly in marine settings. Regular inspection and timely replacement are key to long-term engine reliability.

When to Replace Your Cummins Manifold

Identifying a failing or damaged manifold early can prevent more extensive—and expensive—engine repairs. Here are the top signs and contributing factors to be aware of:

1. Age and Operating Environment

The age of your engine and the environment it operates in play a huge role in how long your manifold lasts.

• Saltwater Exposure: Saltwater is particularly harsh on cast iron and even coated manifolds. It accelerates internal and external corrosion, weakening the metal and leading to leaks.

• High Engine Hours: Engines running for extended periods, such as those used in fishing vessels, tugs, or industrial generators, tend to wear components faster.

• High Load Operation: Engines consistently operating under high loads (high RPMs, heavy torque) will generate more heat and pressure in the exhaust manifold, leading to earlier fatigue.

Tip: Diesel Pro Power recommends visually inspecting your manifold every 18–24 months in saltwater applications and every 2–3 years in freshwater or stationary industrial setups.

2. Corrosion

Corrosion is the most common cause of manifold failure, especially in marine environments. Even with anti-corrosive coatings, stray current corrosion from improperly grounded electrical systems or worn zincs can eat away at the manifold material.

Look for:

• Rust flakes around the manifold exterior

• Staining or white deposits near flange joints

• A “sweating” effect where water seeps from seams or gaskets

If left untreated, corrosion can lead to pinholes and internal leaks, reducing exhaust flow and compromising engine safety.

3. Water in the Cylinders

One of the most severe symptoms of a failed manifold is water intrusion into the engine cylinders. Water can backflow through a compromised manifold into the combustion chamber, leading to:

• Difficulty starting

• Engine misfiring

• White smoke from the exhaust

• Oil that appears milky due to water contamination

A cracked or warped manifold can allow seawater to enter the exhaust stream, and from there, back into the engine. This can cause hydrolocking, a condition where water prevents pistons from moving—potentially destroying the engine.

Diesel Pro Power’s Manifold Advantages

When you buy from Diesel Pro Power, you’re not just getting a manifold—you’re getting peace of mind. Our team is committed to helping you get the right part the first time and delivering it as fast as possible.

Fast, Global Delivery

Orders placed before 3 PM EST typically ship the same day. Whether you're in Miami or Manila, our logistics team ensures delivery options meet your time and budget needs. We ship to over 200 countries and support express, standard, and freight shipping options.

Simple Search and Navigation

With our online catalog, finding the right manifold takes only a few clicks:

1. Select Cummins as your engine brand.

2. Choose the specific engine model.

3. Click on manifold in the part category list.

If you're unsure about the part, just contact our team, and we’ll help identify what you need—even if you’re working off an old casting number or an engine serial number.

Built to Last

Our aftermarket manifolds are manufactured using precision casting techniques and premium materials to exceed OEM tolerances. Each part undergoes a multi-step quality inspection and comes backed by our one-year replacement warranty.

100% Satisfaction Guarantee

We stand behind everything we sell. If your part doesn’t fit or doesn’t perform as promised, our customer service team will help you make it right—no delays, no games.

Tips for Installing or Replacing a Cummins Manifold

Proper installation is key to maximizing the life of your new manifold. Here are a few tips from our technical team:

• Always replace the gasket set: Reusing old gaskets can cause exhaust leaks or improper sealing, especially under high heat.

• Inspect your studs and bolts: These fasteners fatigue over time and can break during removal. Diesel Pro Power sells complete mounting kits.

• Clean all mating surfaces: Ensure all old gasket material is removed and surfaces are flat to avoid pressure loss.

• Torque evenly in sequence: Over-torquing can warp the flange, leading to premature failure.

• Check for signs of leakage after installation: Run the engine and inspect for exhaust leaks or moisture.

Need more help? Reach out to our team, and we can send you a torque sequence diagram and installation guide based on your engine model.

Contact Diesel Pro Power Today

If you're unsure which manifold your Cummins engine requires, call our U.S. line at 888-433-4735 or our international team at 305-545-5588. You can also submit a request via our online contact form anytime.