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Beru GN858 Diesel Glow Plug
| Brand | Beru GN858 |
|---|---|
| Material Type | Metal |
| Terminal Thread Size | 4 |
| System Voltage | 12 |
| Voltage | 11.5 |
| Length | 2.72 |
| Length | 69.0 |
| Terminal Type | Pin |
| Connector Gender | Male |
| Hex Size | 12 |
| Seat Type | Tapered |
| Integrated Pressure Sensor | No |
| Thread Diameter | M12x1.25 |
| Fits | Mercedes-Benz · 1 vehicle |
OE-quality design. Built with BERU’s long OE engineering experience and strict ISO standards.
Metal construction. Durable glow plug design for dependable diesel ignition performance.
Tapered seat. Helps ensure a secure, precise fit during installation.
Cross-references 0011590001, 0011590101 and 0011591701 for the same application. See all 10.
Beru GN858 Diesel Glow Plug
The Beru GN858 is a metal diesel glow plug engineered for 12V systems and OE-style replacement needs. Built with a tapered seat, male pin terminal, and M12x1.25 thread, it is designed for precise fitment in diesel ignition hardware applications, including the 1995 Mercedes-Benz S350 with OE No. A0011591701.
Key Features
- Metal glow plug construction for diesel engine starting support
- 12V system voltage with 11.5V rated voltage
- M12x1.25 thread diameter with tapered seat design
- Male pin terminal connection and 4 mm terminal thread size
- 12 mm hex size for service access
- No integrated pressure sensor
- OE-focused Beru engineering for diesel ignition systems
Product Details
Beru GN858 is a diesel glow plug developed from BERU’s long-standing OE engineering background within BorgWarner’s ignition technology portfolio. The design follows strict ISO-based development practices and is built for diesel engines that require reliable preheating performance. For buyers searching for a Beru GN858 glow plug, diesel glow plug for Mercedes-Benz S350, or OE replacement glow plug for 1995 Mercedes-Benz S350, this part matches the listed application and OE reference A0011591701. This part cross-references 0011590001 and 0011590101 for the same application.
Common Symptoms It May Address
- Hard starting during cold diesel engine starts
- Extended cranking before the engine fires
- Rough initial idle after startup
- Glow plug fault codes tied to the listed OE application
- Uneven preheating performance in the combustion chamber
Installation Notes and Tips
Verify the thread diameter, seat type, terminal style, and system voltage before installation. Confirm the vehicle’s OE number against A0011591701 and match the application to the 1995 Mercedes-Benz S350 before replacing the glow plug. Clean the cylinder head threads carefully and follow the manufacturer’s torque specification for the engine.
Quality Assurance
Beru glow plugs are developed as OE-style ignition components with close cooperation between the manufacturer and vehicle or engine builders. The GN858 reflects that OE engineering approach and is produced for diesel applications that require consistent preheating performance and dimensional accuracy.
| Year | Make | Model | Submodel | Body Type | # Doors | Drive Type | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | Mercedes-Benz | S350 | Base | Sedan | 4 Door | RWD | Automatic | 3.4L | L6 | DIESEL | N/A | with OE No. A0011591701 |
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