Product Description
MAHLE MS19225 exhaust manifold gasket set restores factory-tight sealing on 24-valve Cummins 5.9L and 6.7L engines. Built from OE-style beaded steel for heat-cycle durability, this 6-piece set seals the manifold-to-cylinder-head ports to help prevent exhaust leaks, low boost, and warped flange issues on daily, tow, and work trucks.
Fitment
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24-valve
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins 24-valve
- 2007.5–2018 Ram 2500/3500/4500/5500 6.7L Cummins
- Covers standard 6-port manifold flange; turbo/downpipe gaskets not included.
What’s Included
- (6) OE-style beaded-steel manifold-to-head gaskets (one set services one engine)
Cross-Reference / OE Numbers
- Cummins: 5447591 (supersedes 5266422) — OE usually sold individually (six required)
- Mahle: MS19225
Recommended MAHLE Pairings (Internal Links)
- MAHLE GS33493 Cylinder Head Bolt Set – 98.5–18 5.9L/6.7L
- MAHLE HS54556 Cylinder Head Gasket Set – 03–07 5.9L
- MAHLE CS54556 Lower (Conversion) Gasket Set – 03–07 5.9L
- MAHLE VS50419 Valve Cover Gasket – 06–18 5.9L/6.7L
- MAHLE G32463 Turbo Mounting Gasket – 07.5–18 6.7L
- MAHLE GS33584 Turbo Mounting Gasket Set – 03–07 5.9L
Why MAHLE
- OE-grade materials and emboss patterns for dependable seal retention
- Direct-fit geometry to reduce install time and prevent rework
- Trusted in stock rebuilds and high-mileage service fleets
Installation Notes
- Inspect manifold for warp; resurface if out of spec
- Clean mating surfaces; torque bolts in sequence to spec
- Re-check fastener torque after heat cycles where applicable
FAQ
Does MS19225 include turbo or downpipe gaskets?
No—this set only covers the six manifold-to-head ports. Pair with MAHLE turbo gaskets as needed.
How many gaskets are in the kit?
Six—one for each exhaust port on the cylinder head.
What material are the gaskets?
OE-style beaded steel designed to tolerate heat cycling and clamp load.
Will this fit both 5.9L and 6.7L Cummins?
Yes—covers 1998.5–2007 5.9L 24V and 2007.5–2018 6.7L applications using the standard 6-port manifold.
Specifications for Mahle MS19225
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | MS19225 |
| UPC / GTIN-12 | 027067451750 |
| Shipping Info | Ships from CPP Diesel; shipping calculated at checkout. Flat-pack gasket set (lightweight). |
| Country of Origin | Not specified |
| Prop 65 | This product can expose you to chemicals including lead and lead compounds, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
