The Wacker Neuson Cylinder Head Screw is a genuine OEM component designed for the LTN4Y, LTN5Y, and RD7H series light towers and rollers. As a direct OEM replacement, it is manufactured to the same specifications as the original hardware, ensuring correct torque retention and a secure fit at the cylinder head. Compatibility extends across a wide range of Wacker Neuson models, including LTN4Y 60 Hz, LTN5Y CH, LTN5Ypk, RD7Heh, RD7Yeh HRC, RD7Afb HRC, and RD10Yehf LRC variants. When you order part, you are getting the same fastener that left the factory — no guesswork, no modification.
Key Features
- OEM-Grade Thread Integrity — Manufactured to Wacker Neuson's original torque and thread specifications, maintaining the clamping force the cylinder head requires for a proper seal.
- Drop-In Installation — Matches the original bolt pattern and thread pitch exactly, threading directly into the existing cylinder head mounting points without reworking or re-tapping.
- Broad Model Coverage — A single part number covering LTN4Y and LTN5Y light tower series, plus RD7H and RD10 roller series, making it a versatile fastener for mixed Wacker Neuson fleets.
- Sustained Compression Under Load — Correct head fastener tension keeps the cylinder head gasket sealed under operating pressures; a worn or under-torqued screw can allow compression loss and coolant or oil intrusion.
- Critical Fastener Compliance — Cylinder head hardware is a safety-critical fastener; using a genuine OEM screw ensures the material grade and stretch tolerance meet the engine manufacturer's requirements.
A cylinder head screw is a hardened fastener that clamps the cylinder head firmly against the engine block, compressing the head gasket to create an airtight and fluid-tight seal between the combustion chamber and the cooling or lubrication passages. Without the correct clamping load, combustion gases can escape past the gasket, leading to power loss, overheating, or internal fluid contamination. A stripped, fatigued, or incorrect screw compromises that seal immediately, making it one of the few fasteners on an engine where substituting the wrong grade or size creates a direct risk of serious engine damage.
Part Details
| Part Number | 5100006617 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylinder Head Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN5Yp | LTN5Yp | 5100069549 |
| LTN5Y SA | LTN5Y SA | 5100069548 |
| LTN4Y | LTN4Y ME | 5100069545 |
| LTN4Y 60 Hz | LTN4Y 60Hz | 5100069546 |
| LTN4Y SA | LTN4Y SA | 5100069547 |
| LTN4Y | LTN4Y | 5100073603 |
| LTN5Ypk | LTN5Ypk | 5100077880 |
| LTN4Y RH | LTN4Y RH | 5100077620 |
| LTN5Y | LTN5Y | 5100069550 |
| LTN5Ypa | LTN5Ypa | 5100069551 |
| LTN5Y CH | LTN5Y CH | 5100069552 |
| LTN5Y UK | LTN5Y UK | 5100069553 |
| RD7Yehf HRC | RD7Yehf HRC | 5100006337, 5100006341 |
| RD7H | RD7H | 5100006333 |
| RD7Heh | RD7Heh | 5100006334 |
| RD7Yeh LRC | RD7Yeh LRC | 5100006335 |
| RD7Yeh HRC | RD7Yeh HRC | 5100006336, 5100006467 |
| RD7Hf | RD7Hf | 5100006338 |
| RD7Hehf | RD7Hehf | 5100006339 |
| RD7Yehf LRC | RD7Yehf LRC | 5100006340 |
| RD7Af HRC | RD7Af HRC | 5100006342 |
| RD7Hfb | RD7Hfb | 5100006343 |
| RD7Hehfb | RD7Hehfb | 5100006344 |
| RD7Yehfb LRC | RD7Yehfb LRC | 5100006345 |
| RD7Yehfb HRC | RD7Yehfb HRC | 5100006346 |
| RD7Afb HRC | RD7Afb HRC | 5100006347 |
| RD10Yehf LRC | RD10Yehf LRC | 5100070502 |
| LTN4Y 120V/60Hz | LTN4Y 120V/60Hz | 5100075978 |
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.
