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Shop 1998.5-2002 5.9L 24 valve Cummins exhaust manifolds. Find stock replacement and performance manifolds with T3, T4, and T6 turbo flange options.
Hot
Brand: Pure Diesel Power
Part Number: PDPMANSTUDS
Installing a new exhaust manifold, or simply removing a stock or aftermarket manifold to change gaskets? If so, you'll find that it is a real hassle to keep the gaskets in place when using standard bolts.
These work on:
89-98 12 Valve Cummins engines using an AFTERMARKET exhaust manifold. They W..
$52.99
-10 %
Brand: ATS Diesel Performance
Part Number: 204-910-2218
ATS Pulse Flow Exhaust Manifold Kit Fits 1998.5-2002 5.9L 24V Cummins 3-Pc T3 With Turbo Flange Hardware
Since ATS released the first Pulse Flow Manifold in 1995, the quest to provide the very best Manifold on the market has never stopped. Nearly 35 years later, ATS is still leading the industry wi..
$508.49 $564.99
-15 %
Brand: AFE
Part Number: 46-40032
Please note! This manifold is a center dump manifold and is designed to replace the factory exhaust manifold on 1998.5-2002 5.9L Cummins trucks. It can be used on trucks as new as 2018, however, since 2003-2018 trucks have an offset turbo flange and in 6.7L applications has a different turbo flange ..
$493.85 $581.00
-10 %
Brand: ATS Diesel Performance
Part Number: 204-930-2218
98.5-2002 Dodge 24-Valve, 3-Piece Exhaust Manifold, Comes Assembled with Black High Temperature Coating and Pre-Tapped for Pyrometer Probe
** California E.O. Certified **
Please note! This manifold is a center dump manifold and is designed to replace the factory exhaust manifold on 1998.5-2002 5..
$548.99 $609.99
-15 %
Brand: AFE
Part Number: 46-40034
Please note! This manifold is a center dump manifold and is designed to replace the factory exhaust manifold on 1998.5-2002 5.9L Cummins trucks. It can be used on trucks as new as 2018, however, since 2003-2018 trucks have an offset turbo flange and in 6.7L applications has a different turbo flange ..
$585.65 $689.00
-10 %
Brand: ATS Diesel Performance
Part Number: 204-950-2218
98.5-02 Dodge 5.9L Cummins ATS 3 Piece Pulse Flow Exhaust Manifold Kit W/ Gaskets & Premium Hardware
ATS Pulse Flow Exhaust Manifold Kit Fits 1998.5-2002 5.9L Cummins 3-Pc T3 With Gaskets Premium Hardware
Since ATS released the first Pulse Flow Manifold in 1995, the quest to provide the very best Manifold on the market has never stopped. Nearly 35 years later, ATS is still leading the industry w..
$638.99 $709.99
-15 %
Brand: AFE
Part Number: 48-32020
Unleash torque and horsepower with this Twisted Steel series header for your 24 valve Cummins. 1-3/4" head pipes stepped to 2" mandrel bent 304 stainless steel tubing and a 1/2" laser cut T3 divided flange builds quicker turbo boost, improves throttle response and overall performance...
$1,184.90 $1,394.00
Brand: BD Power
Part Number: 1045982
Replace the broken or stretched exhaust manifold bolts on your 1998.5-2018 Dodge 5.9L/6.7L Cummins with the BD-Power 1045982 Exhaust Manifold Bolt & Spacer Hardware Kit. The exhaust spacers are black oxide coated and allow the fasteners to stretch without fracture or permanent yield. This exhaus..
$85.95
Brand: Dorman Products
Part Number: 674-602
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.
Ideal replacement - this exhaust manifold was precision..
$353.95
Brand: Power Driven Diesel
Part Number: 55133324000
Power Driven Diesel presents machined 3 piece manifold. For 1998.5-2002 1v4 with oval exhaust ports and T3 foot. Larger ports reduce exhaust gas temps (EGT) by about 50 degrees. Replace your warped or cracked manifold with a performance part.
Multilayer exhaust manifold gaskets included. Turbo Ga..
$420.00
Brand: ATS Diesel Performance
Part Number: 204-941-2218
ATS T4 Single Piece Pulse Flow Exhaust Manifold KitFitment: 1998.5-2002 Dodge 5.9L 24V Cummins, 2003-2007 5.9L Cummins, & 2007.5-2018 Ram 6.7L CumminsPlease note! This manifold is a center dump T-4 flange manifold and is designed to replace the exhaust manifold on 1998.5-2002 5.9L Cummins t..
$539.99
Brand: ATS Diesel Performance
Part Number: 204-911-2218
ATS Pulse Flow Exhaust Manifold Fits 1998.5-2002 5.9L 24V Cummins 3-Pc T4 With Turbo Flange Hardware
Since ATS released the first Pulse Flow Manifold in 1995, the quest to provide the very best Manifold on the market has never stopped. Nearly 35 years later, ATS is still leading the industry with..
$564.99
Brand: BD Power
Part Number: 1045947
Please note! This manifold is a center dump manifold and is designed to replace the factory exhaust manifold on 1998.5-2002 5.9L Cummins trucks. It can be used on trucks as new as 2018, however, since 2003-2018 trucks have an offset turbo flange and in 6.7L applications has a different turbo flange ..
$588.95
Brand: ATS Diesel Performance
Part Number: 204-951-2218
98.5-02 Dodge 5.9L Cummins ATS 3 Piece Pulse Flow Exhaust Manifold Kit W/ Gaskets & Premium Hardware
ATS Pulse Flow Exhaust Manifold Kit Fits 1998.5-2002 5.9L Cummins 3-Pc T4 With Gaskets Premium Hardware
Since ATS released the first Pulse Flow Manifold in 1995, the quest to provide the very best Manifold on the market has never stopped. Nearly 35 years later, ATS is still leading the industry w..
$709.99
PDP Pick
Brand: Steed Speed
Part Number: STEED-T3x
The only manifold available to give a substantial gain in power and fuel economy.
Not cheap cast and not weak tubular. This is the finest fully CNC machined billet turbo manifold on the planet.
Easily outperforms every other manifold available.
Engine dyno testing shows a 30HP gain over other..
$745.00
Brand: Big Bang Injection
Part Number: SAEMG-24V-MLS
Multilayer Steel Exhaust Manifold Gasket
Will fit Cummins 5.9L & 6.7L 24 Valve and 24V common rail engines.
Sold individually, 6 needed for entire engine.
Source Automotive part number: SAEMG-24V-MLS..
$10.75
Brand: Cummins
Part Number: 5254373
Stock exhaust manifold for your 5.9L by CumminsThis will work with trucks equipped with HX35W Don't forget gaskets!Cummins: 5254373..
$530.04
PDP Pick
Brand: Steed Speed
Part Number: STEED-T4x
The only manifold available to give a substantial gain in power and fuel economy.
Not cheap cast and not weak tubular. This is the finest fully CNC machined billet turbo manifold on the planet.
Easily outperforms every other manifold available.
Looking for an in-stock T4 24V Angled Manifold? Cl..
$745.00
New
PDP Pick
Backordered
Brand: Steed Speed
Part Number: T424VANG
Backordered until Mid-April (updated 3/2/26)
This manifold has a T4 Flange, Angled like stock. This is NOT a stock flange for ANY 5.9L or 6.7L Cummins in stock Dodge pickup application, this manifold is for aftermarket turbos with a T4 Flange (stock is typically T3 or T4I)
The only manifold av..
$829.00
Brand: Cummins
Part Number: 3937187
Cummins OEM Exhaust Manifold ('98.5, 24v) will work with HX35 turbo only.
Number 8 in image only.
Cummins part number: 3937187..
$1,243.52
Brand: Diesel Auto Power
Part Number: 24VT3M
Diesel Auto Power presents CNC machined 3pc manifold. For 1998.5-2002 24v with round exhaust ports and T3 foot or 2nd gen manifold swap for +2003. CNC ported/gasket matched to improve airflow and reduce exhaust gas temps (EGT) by about 50 degrees. Replace your warped or cracked manifold with a perfo..
$449.00
Brand: Diesel Auto Power
Part Number: 24VT4M
Diesel Auto Power presents CNC machined 3pc manifold. For 1998.5-2002 24v with round exhaust ports and T4 foot or 2nd gen manifold swap for +2003. CNC ported/gasket matched to improve airflow and reduce exhaust gas temps (EGT) by about 50 degrees. Replace your warped or cracked manifold with a perfo..
$449.00
Brand: ATS Diesel Performance
Part Number: 204-943-2218
Pulse Flow Wide Flange T4 Exhaust Manifold, 3-Piece - 1998.5-2002 Dodge 5.9L 24-Valve Cummins (Not legal for street use in California) Please note! This manifold is a center dump T-4 flange manifold and is designed to replace the exhaust manifold on 1998.5-2002 5.9L Cummins trucks when the using an..
$609.99
Brand: Stainless Diesel
Part Number: SD2G24VT4
T-4 Stainless Diesel Cummins Exhaust manifold.
Please note! This manifold is a center dump T-4 flange manifold and is designed to replace the exhaust manifold on 1998.5-2002 5.9L Cummins trucks when the using an aftermarket turbo with a T-4 flange. It can be used on trucks as new as 20..
$700.00
Brand: Stainless Diesel
Part Number: SD2G24VT3
T-3 Stainless Diesel Cummins T3 Exhaust manifold
Please note! This manifold is a center dump manifold and is designed to replace the factory exhaust manifold on 1998.5-2002 5.9L Cummins trucks. It can be used on trucks as new as 2018, however, since 2003-2018 trucks have an offset t..
$700.00
Brand: Stainless Diesel
Part Number: SD2G24VT6
Stainless Diesel 'Monster Foot' Cummins Exhaust ManifoldPlease note! This manifold is a center dump T-6 flange manifold and is designed to replace the exhaust manifold on 1998.5-2002 5.9L Cummins trucks when the using an aftermarket turbo with a T-6 flange. It can be used on trucks as new as 20..
$799.00
Brand: Cummins
Part Number: 3818824
Replacement OEM turbo mount nuts. M10 X 1.5
Takes 4 for a complete set. These are sold INDIVIDUALLY.
Number 5 in Image...
$5.53
Brand: Interstate-McBee
Part Number: 4x M-3818823
Fits 94-2018 Dodge 5.9L & 6.7L Cummins
M10 X 1.5 X 44.0 mm
McBee part number: M-3818823
..
$10.84
Brand: Cummins
Part Number: 3818823
Replacement OEM turbo mount stud. M10 X 1.5 X 44.0 mm
Takes 4 studs for complete set on some Cummins Applications.
Number 4 in Image...
$20.64
Brand: XDP Mfg
Part Number: XD230
Don't reuse the old, corroded bolts when installing a new exhaust manifold on your 1989-2018 Dodge 5.9/6.7L Cummins, replace them with the XDP Exhaust Manifold Installation Bolt Kit XD230. This kit includes (12) stainless steel allen head bolts and (12) stainless steel lock washers so you can instal..
$21.95
Brand: Cummins
Part Number: 4x 3818823
94-2018 Dodge 5.9L & 6.7L Cummins Stock Exhaust Manifold Turbo Studs (4)M10 X 1.5 X 44.0 mm
Part # 3818823x4
Image For Reference Only..
$82.58
Brand: Full Send Diesel
Part Number: FSD-CUMFSTDKT
Fits: 1998.5-2024 Dodge Ram 5.9L/6.7L Cummins (Fits Factory & OEM Manifold)
This Full Send Diesel Exhaust Manifold Stud Kit is a quality upgrade for the exhaust manifolds bolts on your truck. These stainless-steel studs are manufactured to withstand added pressure from higher horsepower..
$109.99
Brand: Fleece Performance
Part Number: FPE-34771
Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are produced in the USA from aged 630 stainless steel and feature a 7mm external hex head for easy installation. Impervious to rust and corrosion, these studs not only look good, but allow for higher..
$229.99
Brand: Fleece Performance
Part Number: FPE-34772
Fleece Performance stainless steel exhaust manifold stud kit for Cummins. Our exhaust manifold studs are produced in the USA from aged 630 stainless steel and feature a 4mm internal hex head for easy installation. Impervious to rust and corrosion, these studs not only look good, but allow for higher..
$229.99
Brand: Turbo Performance Products
Part Number: MB-1001
The Cummins manifold blanket will help the turbo spool faster, lower intake air charge temps, lower under hood temps, stop turbo heat from melting wire and electronics. Comes with 2 stainless ties for installation. The manifold blanket is over 1/2" thick made from 3 layers of silica material rated a..
$124.99
Brand: Thermal Zero
Part Number: MB9902CD-L
The 98-02 Dodge Cummins 5.9L Diesel manifold blanket was designed to solve multiple heat and noise issues which are a result of the manifold and turbo placement in the engine bay.
The manifold on a Dodge Cummins 5.9L gets extremely hot and a metal heat shield just doesn’t cut it and wrapping it ..
$199.00
Brand: BD Power
Part Number: 1045947-T4
Fits: 1998.5-2018 Dodge 5.9L & 6.7L Cummins trucks. Please note! This manifold is a center dump T-4 flange manifold and is designed to replace the exhaust manifold on 1998.5-2002 5.9L Cummins trucks when the using an aftermarket turbo with a T-4 flange. It can be used on trucks as new as 20..
$0.00
Brand: Diesel Power Source
Part Number: MAN0128
DPS 3-Piece Exhaust Manifold for 1998.5-2002 Dodge 5.9L 24V Cummins
Please note! This manifold is a center dump manifold and is designed to replace the factory exhaust manifold on 1998.5-2002 5.9L Cummins trucks. It can be used on trucks as new as 2018, however, since 2003-2018 trucks have an off..
$409.00
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1998.5-2002 24 Valve Cummins Manifold Benefits
The 24 valve Cummins produces higher exhaust flow than earlier models. Factory manifolds can crack under sustained heat and boost. Replacing restores turbo efficiency and sealing integrity.
- Reduces cracking risk
- Improves turbo spool
- Supports performance upgrades
- Restores exhaust pressure
Turbo Flange Options
- T3 — Factory turbo flange
- T4 — Popular performance upgrade
- T6 — Large turbo builds
Common Problems + Fix
Exhaust ticking — Likely manifold crack.
Soot near head — Indicates gasket leak.
The Fix: Replace the damaged manifold to restore turbo efficiency.
Explore Other Cummins Generations
Frequently Asked Questions
What turbo flange does a 1998.5-2002 Cummins use?
These engines use a factory T3 turbo flange.
Can I upgrade to a T4 or T6 manifold?
Yes, if your turbo setup supports the flange change.