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Oil Pressure Senders / Switches
By OE Match
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
Protect the electrical connection of your Porsche oil pressure switch with this OE Match Cap for Oil Pressure Switch, manufactured as a direct replacement. Produced to OE-style specifications, this protective cap is designed to fit securely over the oil pressure switch terminal, shielding the electrical connection from moisture, dirt, oil contamination, and engine bay debris. By protecting the terminal from the elements, it helps ensure reliable signal transmission between the oil pressure switch and the vehicle's electrical system.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)
Diagram Ref No 72
With age and prolonged exposure to engine heat, oil vapours, and routine servicing, the original cap can become brittle, cracked, distorted, or may be lost altogether. An exposed electrical terminal is more susceptible to corrosion and contamination, which can result in poor electrical contact or intermittent oil pressure warning light operation. Replacing the protective cap restores the integrity of the connection, making this OE Match component ideal for Porsche maintenance, repairs, and restoration projects.
What This Product Does:
- Protects the oil pressure switch electrical terminal.
- Helps prevent moisture, dirt, and oil contamination from reaching the connector.
- Reduces the risk of corrosion at the electrical contact.
- Supports reliable oil pressure signal transmission.
- Replaces damaged, hardened, or missing protective caps.
- Helps maintain the integrity of the engine's electrical system.
- Provides an OE-style fit for straightforward installation.
Symptoms Of Wear Or Failure:
- Missing oil pressure switch protective cap.
- Cracked, split, or hardened cap material.
- Corrosion on the oil pressure switch terminal.
- Loose-fitting or damaged cap.
- Dirt or moisture around the electrical connection.
- Intermittent oil pressure warning light caused by poor electrical contact.
- Damage identified during engine servicing or restoration.
Why Replacement Matters:
- The oil pressure switch cap is a small but essential protective component that helps preserve the electrical connection between the oil pressure switch and the vehicle's wiring harness. Without adequate protection, moisture, dirt, and oil contamination can compromise the terminal, resulting in corrosion, unreliable electrical signals, and inaccurate oil pressure warning indications.
- Replacing a worn or missing cap restores protection to the electrical connection, helping to maintain dependable oil pressure monitoring and preventing unnecessary electrical faults. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Cap for Oil Pressure Switch provides reliable fit, performance, and durability for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99965900940
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 1950-65
Porsche 911 1965-1968
Porsche 912 1965-69
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161357101
The product you are viewing cross references to these numbers
-
Engine lubrication - M 67 001 >>, M 81 201 >> - (Model: 1600, 1600 S) 356, 356A 1950-1959 104-005
-
Electrical equipment / Engine 356 / 356A 1950-1959 901-000
-
Electrical equipment / Engine / M 90 501 >> 91 000 (Model: CARRERA, 1500 GS/GT) 356 / 356A 1950-59 901-005
-
Electrical equipment / Engine (Model: CARRERA 1600 GS/GT) 356 / 356A 1950-1959 901-010
-
Engine lubrication 356B / 356C 1960-1965 104-000
-
Electrical equipment / Engine 356B / 356C 1960-65 901-000
-
Electrical equipment / Engine (Model: CARRERA) 356B / 356C 1960-65 901-003
OEMatch Oil Pressure Senders / Switches — Durability, Sealing, Performance
Keep accurate engine oil pressure information for Porsche models with pressure senders and warning switches selected for reliable, consistent signalling. These units convert mechanical pressure into dashboard readings or warning alerts, helping to indicate lubrication issues early and supporting correct engine operation and maintenance decisions.
Available Types- Pressure sender for gauge circuits
- Pressure switch for dashboard warning lights
- Combined sender/switch units where fitted
- High-pressure and low-pressure variants for specific engines
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original oil pressure senders / switches.
OE (Original Equipment) refers to parts matching original specifications for the oil pressure senders / switches and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM oil pressure senders / switches engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Oil pressure senders and switches monitor the lubrication system and provide either continuous pressure readings or a threshold warning. A sender produces a variable signal for the gauge while a switch operates a warning lamp at low pressure. Faulty units can give flickering or incorrect readings, false warnings, or fail to alert when pressure drops. OEMatch maintains a wide catalogue of Porsche part numbers and numerous OE cross-references and continues to develop new product lines to support maintenance and restoration.
- Restores accurate oil pressure signalling to the instrument panel
- Reduces false low-pressure warnings that can cause unnecessary intervention
- Helps maintain correct engine lubrication awareness for routine checks and servicing
- Oil contamination or sludge blocking internal ports and diaphragms
- Electrical corrosion, degraded connectors or wiring faults
- Seal deterioration, thread damage or oil leaks at the mounting point
- Thermal cycling and vibration leading to sensor drift or mechanical fatigue
Accurate oil pressure information is essential for safe and reliable engine operation. A dependable sender or switch reduces the risk of unnoticed low oil pressure and the subsequent wear that can accelerate bearing and component damage. Replacing a degraded unit restores clear dashboard indication and supports correct maintenance decisions for Porsche engines.
Advantages- Direct-fit replacements engineered to match original dimensions and tolerances
- Constructed from heat- and corrosion-resistant materials for long service life
- Designed to mate with original electrical connectors and mounting points for straightforward installation
Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
