The Wacker Neuson is a genuine OEM Piston Ring Set designed for the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX backhoe loaders. As a factory-sourced component, it is manufactured to the exact tolerances required by Wacker Neuson engines, ensuring a proper seal between the piston and cylinder wall. This Piston Ring Set is the correct specification for BL7-series backhoe loaders and installs as a direct drop-in replacement with no adaptation needed. If your machine is showing signs of oil consumption, loss of compression, or excessive blowby, part number is the verified OEM solution.
Key Features
- OEM Ring Geometry and Material Grade — Manufactured to Wacker Neuson's exact ring thickness, gap, and tension specs, ensuring full combustion sealing and correct oil control from the first start.
- Direct Cylinder Drop-In — Rings are sized and profiled to seat into the piston grooves and cylinder bore of BL7-series engines without machining or modification to the bore.
- Broad BL7-Series Compatibility — Fits the BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX backhoe loaders, covering the full BL7 family in a single part number.
- Compression Integrity Restored — Worn piston rings allow combustion gases to bypass the piston, robbing power and accelerating engine wear; a fresh set restores the compression needed for full digging and lifting performance.
- Engine Emission and Oil Consumption Compliance — Correctly functioning piston rings control oil burn and combustion blowby, keeping the engine within its designed emissions and fluid consumption limits — important for job-site compliance on regulated machines.
Piston rings form a dynamic seal between the piston and the cylinder wall inside the engine. They serve two critical jobs: trapping combustion pressure above the piston to convert fuel energy into mechanical force, and scraping excess oil off the cylinder wall to prevent it from burning in the combustion chamber. When piston rings wear, crack, or lose tension, compression drops, power output falls, oil consumption rises, and exhaust smoke increases — all signs the engine is working harder than it should. Replacing a worn Piston Ring Set is one of the most direct ways to restore an engine to its original output.
Part Details
| Part Number | 5100033701 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Ring Set |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BL744ch Backhoe Loader | BL744ch | 5100031800 |
| BL744h Backhoe Loader | BL744h | 5100031801 |
| BL742h Backhoe Loader | BL742h | 5100031802 |
| BL744c Backhoe Loader | BL744c EX | 5100031803 |
| BL744 EX Backhoe Loader | BL744 EX | 5100031804 |
| Backhoe Loader | BL742 EX | 5100031805 |
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.
