The Wacker Neuson Thermostat Cover is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including the RT56-SC, RT56-SC2, RT82-SC, RT82-SC2, RTx-SC2, RTLx-SC3, RTL82-SC3 vibratory trench rollers, LTN6L and LTN6L-V series light towers, CRT48-35L ride-on trowels, and select PT6 series trash pumps. Sourced directly from Wacker Neuson, part number is manufactured to the exact dimensions and material specifications of the original part, ensuring a correct, trouble-free installation. This cover protects the thermostat housing and cooling circuit components that keep the engine operating within its designed temperature range. With coverage across so many popular Wacker Neuson machine families, this single part number is a smart stocking choice for fleet operators and rental companies alike.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the original material and dimensional spec, this cover maintains the correct compression seal around the thermostat housing, preventing coolant weepage and heat loss.
- Direct-Mount Replacement — Matches the original bolt pattern and port layout on supported engines, so the cover drops into place without modification or custom fitting.
- Broad Fitment Across Multiple Machine Families — Confirmed for RT56, RT82, RTx, RTLx, and RTL82 series trench rollers, LTN6L and LTN6L-V light towers, CRT48-35L ride-on trowels, and PT6 series trash pumps.
- Protects Coolant Flow Accuracy — A secure, properly seated thermostat cover is critical to holding system pressure and ensuring the thermostat can regulate coolant flow correctly — a cracked or missing cover leads to overheating and unplanned shutdowns.
- Cooling System Safety — A failed or leaking thermostat cover can cause rapid coolant loss under operating pressure; replacing it with the correct OEM cover restores system integrity and prevents engine damage.
The thermostat cover seals the thermostat housing on the engine's cooling system, keeping the coolant circuit pressurized and directing flow through the radiator or bypass passage depending on engine temperature. Without a properly sealed cover, the thermostat cannot regulate engine temperature effectively, which can lead to overheating, coolant loss, or erratic temperature readings. Over time, covers can crack, warp, or develop leaks at the sealing surface — replacing the cover with a genuine OEM part restores the housing seal and ensures the cooling system functions as designed.
Part Details
| Part Number | 5000159266 |
|---|---|
| Old Part Number | 0159266 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermostat Cover |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Trench Roller | RT82-SC2 | 5000620530, 5000620293, 5000620367, 5000620525, 5000620528, 5000620529, 5000620526, 5000620527 |
| Vibratory Trench Roller | RT82-SC2 EU | 5000620845, 5200003107 |
| CRT48-35L Trowel | CRT48-35L | 5000620113, 5000620806 |
| Vibratory Trench Roller | RT56-SC2 | 5000620294, 5000620368 |
| Vibratory Trench Roller | RT56-SC2 EU | 5000620844 |
| LTN6L, KOHLER (LOMBARDINI) | LTN6L | 5000620117, 5000620121, 5000620727, 5000620550, 5000620552, 5000620119, 5000620120, 5000620553, 5200004090, 5200004768, 5200012438, 5200022990, 5200017094, 5200017095, 5200022155, 5100027056 |
| LTN6L-P LIGHT TOWER,60 HZ | LTN6L-P | 5000620297 |
| Vibratory Trench Roller | RT82-SC | 5000009025, 5000620365, 5000620324, 5000620353, 5000620480, 5000620481, 5000620482 |
| Vibratory Trench Roller | RT56-SC | 5000009026, 5000620366 |
| RTLx-SC3 TRENCH ROLLER,GRN | RTLx-SC3 | 5200019251, 5200019250, 5200019254, 5200019252, 5100018515, 5100018516, 5200019253, 5100038346, 5100045091, 5100052332, 5100052269 |
| RTL82-SC3 ROLLER,SMOOTH DRUM | RTL82-SC3 | 5200019234, 5200019238, 5200019232, 5200019233, 5200019235, 5200019236, 5200019237, 5200019239, 5200022541 |
| CRT48-35L-PS | CRT48-35L-PS | 5000620704 |
| CRT48-35L-PS | CRT48-35L-PS EU | 5000620900 |
| LTN6L 50 Hz Non CE. Custom | LTC6L | 5000620559 |
| Trench Roller | RTx-SC2 EU | 5100028378, 5200008540, 5100052330 |
| LTN6L-V LIGHT TOWER,50HZ | LTN6L-V | 5200002720, 5200002721, 5200002716, 5200002717, 5200002718, 5200002719, 5200017102, 5200019283 |
| RTx-SC2 TRENCH ROLLER | RTx-SC2 | 5200008538, 5200008539, 5200018044, 5200018329 |
| LTN6L-V S, KOHLER (LOMBARDINI) | LTN6L-V S | 5200018536, 5200018539, 5200018573, 5200018552, 5200023687, 5200023688, 5200023689, 5200018576 |
| Light Tower | LTC4L | 5000009375, 5000009377, 5000009379, 5000009485 |
| LTN6LE-V 50 Hz CE 230 V LED | LTN6LE-V | 5200019285, 5200019140 |
| Light Tower with Power Winch | LTC4L-P | 5000620018 |
| PT6LT Pump w/Trailer T4 | PT6LT | 5200014740 |
| LTN6L 50 Hz CE- RACKED | LTN6LE | 5200019142, 5200019143, 5200019141 |
| E3000 | E3000 | 5100055568, 5100056441, 5100056440 |
| PT6LS Pump | PT6LS | 5200014741 |
| PT 6LS | PT6LS(I) | 5200017427 |
| Trash Pump | PT6LT(I) | 5100014076 |
| Engine/Generator cpl. | Engine/Generator cpl. | 5100039560 |
| Light Tower | LTV6L | 5100039607 |
| Trench Roller | HTC15 | 5100065571 |
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.
