OE Quality
60-Day Returns

Elring 311.940 Engine Crankshaft Seal
Overview of Elring Engine Crankshaft Seal 311.940
The Elring engine crankshaft seal 311.940 is designed specifically for Porsche 944 models, providing reliable sealing performance. Constructed from durable Fpm (fluoride rubber) and acm (polyacrylate rubber), this seal ensures effective protection against oil leaks and contaminants.
- Material: Fpm (fluoride rubber) and acm (polyacrylate rubber) for enhanced durability
- Inside Diameter: 38.0 mm
- Outside Diameter: 55.0 mm
- Thickness: 7.0 mm
- Includes dust lip for additional protection
- Radial shaft seal design: ASW
- Swirl type: RD for optimized sealing
Technical Details and Construction
The Elring 311.940 crankshaft seal features a robust design tailored to the specific requirements of the Porsche 944 engine. The combination of Fpm and acm rubber materials offers resistance to heat, oil, and aging, which is critical for maintaining engine integrity. The seal’s 38.0 mm inside diameter and 55.0 mm outside diameter fit precisely to ensure a tight seal around the crankshaft. The 7.0 mm thickness provides structural stability, while the integrated dust lip helps prevent dirt and debris from compromising the seal’s effectiveness. The ASW radial shaft seal design and RD swirl type contribute to consistent sealing performance under various operating conditions.
Compatible Vehicles and Applications
This engine crankshaft seal is compatible with Porsche 944 models, making it a suitable replacement part for maintaining engine sealing systems. It is intended for use in the engine’s crankshaft area to prevent oil leakage and contamination, which can lead to engine damage if left unaddressed.
- Prevents oil leaks from the crankshaft area
- Protects engine components from dust and debris
- Maintains proper engine lubrication
- Reduces risk of crankshaft seal failure
- Helps avoid costly engine repairs related to seal damage
Installation Notes and Tips
When installing the Elring 311.940 crankshaft seal on a Porsche 944, ensure the sealing surface and crankshaft are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal orientation, especially the dust lip, to maximize protection. It is recommended to inspect the crankshaft and surrounding components for wear or damage before installation to ensure optimal performance.
Quality Assurance and Warranty
Elring manufactures the 311.940 crankshaft seal to meet stringent quality standards, ensuring reliable performance in demanding engine environments. The use of high-grade Fpm and acm materials supports long service life and resistance to common automotive fluids. While specific warranty details may vary, Elring products typically come with manufacturer-backed quality assurance to support professional automotive maintenance and repair.
| Brand | Elring |
|---|---|
| Part Number | 311.940 |
| Dust Cover | with dust lip |
| Inside Diameter | 38.0 |
| Material | FPM (fluoride rubber)/ACM (polyacrylate rubber) |
| Outside Diameter | 55.0 |
| Radial Shaft Seal Design | ASW |
| Swirl Type | RD |
| Thickness | 7.0 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1987 | Porsche | 944 | RWD | 2.5L | L4 | GAS | N/A | Inner Diameter: 38mm; Outer Diameter: 55mm; Dust Cover: with dust lip; Swirl Type: Right-hand Twist |
| 1986 | Porsche | 944 | RWD | 2.5L | L4 | GAS | N/A | Inner Diameter: 38mm; Outer Diameter: 55mm; Dust Cover: with dust lip; Swirl Type: Right-hand Twist |
| 1985 | Porsche | 944 | RWD | 2.5L | L4 | GAS | N/A | Inner Diameter: 38mm; Outer Diameter: 55mm; Dust Cover: with dust lip; Swirl Type: Right-hand Twist |
| 1984 | Porsche | 944 | RWD | 2.5L | L4 | GAS | N/A | Inner Diameter: 38mm; Outer Diameter: 55mm; Dust Cover: with dust lip; Swirl Type: Right-hand Twist |
| 1983 | Porsche | 944 | RWD | 2.5L | L4 | GAS | N/A | Inner Diameter: 38mm; Outer Diameter: 55mm; Dust Cover: with dust lip; Swirl Type: Right-hand Twist |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.