Wacker Neuson 5100025821 High Temp Engine Gasket

The Wacker Neuson High Temp Engine Gasket is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series and E3000 Ground Heater series. As a direct OEM part, it meets the same material and dimensional specifications as the original, ensuring a correct fit against mating engine surfaces. This gasket is confirmed to fit multiple HI 770 XHD configurations — including diesel-powered units across 2x12, 1x16, and 1x20 setups — as well as E3000 Ground Heater variants, making it a versatile service part for fleet operators running Wacker Neuson heating equipment.

Key Features

• High-Temperature Material Grade — Engineered to withstand the elevated exhaust and combustion temperatures typical of diesel indirect air heaters, maintaining a reliable seal under sustained thermal stress.
• Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, part number 5100025821 matches the original specification for sealing surface thickness, compression rating, and port alignment.
• Broad Heater Series Compatibility — Fits HI 770 XHD Indirect Air Heaters (multiple diesel configurations), Extra Heavy Duty Air Heaters, and E3000 Ground Heaters, covering a wide range of Wacker Neuson jobsite heating units.
• Combustion Integrity Protection — A correctly seated engine gasket keeps combustion gases contained and prevents cross-contamination between engine passages, directly supporting consistent heat output and fuel efficiency.
• Fuel System Safety Compliance — In diesel heating equipment, a failed or compromised engine gasket can lead to combustion gas leaks and unsafe operating conditions; replacing it with the correct OEM part restores designed containment and operational safety.
• Drop-In Service Replacement — Designed to seat against existing mating surfaces without rework or shimming, simplifying service and getting heating equipment back on line faster.

An engine gasket forms a critical sealed joint between mating engine components, preventing combustion gases, coolant, or oil from escaping the passages they are meant to travel through. In diesel-powered indirect air heaters and ground heaters like the HI 770 XHD and E3000 series, maintaining this seal is essential for consistent combustion efficiency and safe heat output. When an engine gasket deteriorates — through repeated thermal cycling, compression stress, or age — it can allow gases to bypass the seal, leading to loss of heating performance, increased emissions, or unsafe exhaust conditions that require immediate attention.

Part Details

Compatibility & Fitment

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.