Product Description
Interstate-McBee M-3818823 Exhaust Manifold Stud — 1989–2018 5.9L / 6.7L Cummins
Aftermarket replacement exhaust manifold stud for B-Series Cummins engines. Designed for OE-style fit and durability. Sold individually.
- Direct replacement: Matches OE form and function for reliable manifold retention.
- Wide coverage: Fits 5.9L (1989–2007) and 6.7L (2007.5–2018) Cummins applications where the OE number is specified.
- Service-friendly: Ideal for manifold swaps, leak repairs, or broken stud replacement.
- Value: Interstate-McBee quality at a sensible price.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3818823 |
| OEM Reference | Cummins 3818823 |
| Position | Exhaust manifold to cylinder head (stud) |
| Sold As | Each (1 stud) |
| Typical Qty Required | Varies by manifold; commonly 12 fasteners total per engine (verify your application) |
What’s Included
- (1) Exhaust manifold stud, P/N M-3818823
Vehicle Fitment
Always verify by engine serial number (ESN) or OE part number.
- 5.9L Cummins (12-valve & 24-valve) — approx. 1989–2007 (Dodge Ram 2500/3500 and other B-Series applications)
- 6.7L Cummins — approx. 2007.5–2018 (Ram 2500/3500 and other B-Series applications)
Recommended/Related Parts
- Exhaust manifold nuts (locking)
- Exhaust manifold gasket set
- Turbo to manifold gasket (as applicable)
- Penetrating oil / anti-seize compound (for install)
Install Notes
- Clean threads in the cylinder head before installation; chase threads if necessary.
- Hand-start studs to avoid cross-threading; use appropriate thread locker or anti-seize per service manual.
- Torque manifold hardware in the factory sequence and to factory specification.
- Re-torque after initial heat cycles if specified by the service procedure.
Why Buy From CPP Diesel
- ESN-verified fitment support from diesel specialists
- Fast shipping and easy returns
- Deep inventory of B-Series Cummins hardware and gaskets
FAQ
Is this the correct stud for my truck?
If your OE reference is 3818823 or your ESN/parts catalog calls for it, this Interstate-McBee M-3818823 is the correct replacement.
How many do I need?
Quantity varies by manifold design; many applications use 12 manifold fasteners total. Verify on your engine before ordering.
Are nuts and gaskets included?
No—this listing is for a single stud only. Order manifold nuts and gaskets separately.
