The Multiquip 820999 Exhaust Manifold Stud HHN34 is a genuine OEM component designed for the HHN-34 ride-on trowel. As a direct factory replacement, this stud is manufactured to the original specification, ensuring a proper fit within the exhaust manifold assembly. Sourced directly through authorized Multiquip distribution, 820999 is the correct replacement for HHN-34 machines requiring exhaust manifold service. DHS Equipment stocks this genuine OEM part ready to ship so your trowel gets back to work fast.
Key Features
- Genuine OEM Construction — Manufactured to original Multiquip tolerances, ensuring correct thread pitch, length, and material grade for exhaust manifold applications where heat and vibration demand precision.
- Direct Drop-In Replacement — Threads directly into the existing exhaust manifold mounting points on the HHN-34, matching the original stud profile for a clean, straightforward installation.
- Confirmed HHN-34 Fitment — Engineered specifically for the Multiquip HHN-34 series ride-on trowel, eliminating guesswork when sourcing exhaust manifold hardware.
- Exhaust Integrity Maintained — A correctly torqued, undamaged stud keeps the manifold sealed against exhaust gases, preventing leaks that can affect engine performance and operator safety.
- Heat and Vibration Resistant — Built to withstand the high-temperature, high-vibration environment of a trowel engine's exhaust system, resisting premature thread wear or fatigue failure.
An exhaust manifold stud is a threaded fastener that secures the exhaust manifold to the engine block, holding the manifold firmly in place so exhaust gases are routed away from the engine correctly. When a stud stretches, strips, or breaks, the manifold can loosen and allow hot exhaust gases to escape at the joint, which reduces engine efficiency, creates noise, and poses a burn hazard to nearby components and operators. Replacing a damaged stud promptly with the correct OEM part restores a proper seal and protects the surrounding hardware from heat damage.
Part Details
| Part Number | 820999 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Manifold Stud HHN34 |
Compatibility & Fitment
| Name | Model |
|---|---|
| HHN-34 | HHN-34 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
