Relays / Fuses

14-pin plug connector with harness for engine loom. 
This 14-pin plug connector with harness is a high-quality OE Match replacement electrical connector used in the engine wiring loom of multiple Porsche models. It replicates the original factory connector in design, pin layout, and fitment, providing a reliable connection between the engine harness and vehicle electrical system.

Fits:
Porsche 911 - 1970 to 1989 
Porsche 911 turbo - 1975 to 1989
Porsche 914 -1970 to 1976
Porsche 924S - 1986 to1988
Porsche 928 - 1983 to 1995 
Porsche 944S2 - 1985 to 1991 
Porsche 964 - 1989 to 1994 
Porsche 968 - 1992 to 1995

The connector provides a central electrical interface between the engine wiring loom and the vehicle’s main electrical system. It ensures consistent signal and power transmission to critical engine components, sensors, and control systems.

Function:
•  Connects engine wiring loom to vehicle electrical system
•  Maintains reliable electrical continuity across multiple circuits
•  Prevents signal loss, voltage drop, and intermittent faults
•  Supports stable engine operation and diagnostics

Over time, original connectors can suffer from heat exposure, corrosion, brittle plastic, or wiring fatigue. This replacement restores proper electrical integrity within the engine loom, helping to prevent intermittent faults, sensor errors, and poor engine performance. It is ideal for engine rebuilds, wiring repairs, or full loom restorations where dependable OE-level quality is required.

A degraded or damaged engine loom connector can cause a wide range of electrical issues, from poor engine running to complete system failure. Replacing it with a quality OE Match connector restores electrical reliability, improves long-term durability, and helps protect the engine management system from unpredictable faults.

When to replace:
•  Cracked, brittle, or heat-damaged connector housing
•  Corrosion or looseness at pin terminals
•  Intermittent electrical faults or poor engine performance
•  During engine loom repair or restoration
•  When upgrading or refurbishing engine wiring

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91161211305

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5-pin Relay plug connector with harness. Plug socket for standard type relay.

Fits:
Porsche 911 65-89
Porsche 911 (930) Turbo 1975-89
Porsche 914 1970-76
Porsche 924 S 1986-88
Porsche 944 1986-91
Porsche 964 1989-94
Porsche 968 1992-95

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90161233300

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5-pin Relay plug connector with harness. Plug socket for standard type relay.

Fits:
Porsche 911 65-89
Porsche 911 (930) Turbo 1975-89
Porsche 914 1970-76
Porsche 924 S 1986-88
Porsche 944 1986-91
Porsche 964 1989-94
Porsche 968 1992-95

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90161233300

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Air conditioner relay.

Fits:
Porsche 911 1974-88 (incl. Turbo)

* Please check and match the part number of your relay in your car before ordering.

Click 'Zoom in' for large parts diagram.
Diagram ref no 10

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91161510302

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Air Conditioning Relay 

Restore reliable operation of your Porsche air conditioning system with this OE Match Air Conditioning Relay for Porsche 911 models from 1974 to 1988. Designed to OE specifications, this essential electrical component controls power delivery within the air conditioning system, ensuring the compressor, blower and associated components operate correctly when cooling is required.

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1988 3.2L G50
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1988 3.3L Turbo (930)

* Please check and match the part number of your relay in your car before ordering.

Although small and often overlooked, the air conditioning relay plays a critical role in the operation of the vehicle's climate control system. A faulty relay can prevent the air conditioning system from functioning correctly, leading to intermittent cooling, compressor failure to engage or complete loss of A/C operation.

Manufactured to OE Match standards, this replacement relay provides dependable performance and factory-correct fitment for maintenance, fault diagnosis and restoration projects.

What Does the Air Conditioning Relay Do?

The air conditioning relay acts as an electrically controlled switch within the A/C system.

Its primary functions include:

• Controlling power to the air conditioning system
• Activating the compressor circuit
• Supporting blower motor operation
• Protecting electrical circuits
• Managing high-current loads safely
• Ensuring reliable A/C engagement
• Supporting climate control functionality

The relay allows low-current control circuits to safely operate higher-current air conditioning components.

Why Do Air Conditioning Relays Fail?

Like all electrical relays, air conditioning relays experience wear throughout their service life.

Common causes of failure include:

• Contact wear
• Heat-related deterioration
• Electrical arcing
• Internal corrosion
• Moisture ingress
• Age-related component fatigue
• Voltage fluctuations
• Extended periods of operation

Over time, relay contacts can become worn or contaminated, resulting in unreliable operation.

Symptoms of a Faulty Air Conditioning Relay

Common warning signs include:

• Air conditioning not switching on
• Compressor failing to engage
• Intermittent cooling performance
• Blower operation faults
• Clicking noises from the relay
• Unreliable climate control operation
• Electrical system fault diagnosis issues
• Complete A/C system inactivity

Because relay failures can mimic other air conditioning faults, they are often checked early during diagnosis.

When Should the Air Conditioning Relay Be Replaced?

Replacement is recommended when:

• Diagnosing air conditioning faults
• Compressor engagement becomes intermittent
• Air conditioning stops functioning
• Electrical testing identifies relay failure
• Restoring a Porsche 911
• Performing preventative maintenance
• Refurbishing the climate control system

Many specialists replace ageing relays during electrical restoration work to improve long-term reliability.

Why Replacement Matters

Replacing a failing relay can restore proper operation of the entire air conditioning system.

Benefits include:

• Reliable compressor engagement
• Consistent cooling performance
• Improved electrical reliability
• Reduced risk of intermittent faults
• Enhanced climate control operation
• Improved driving comfort
• Better diagnostic accuracy
• Long-term system dependability

For classic Porsche 911 models, maintaining reliable electrical components helps preserve both usability and originality.

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91161510302

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Carbon fibre rear fuse panel cover. Porsche 911

Fits
Porsche 911 - 1974 to 1989
Porsche 911 turbo - 1975 to 1989

Product Description

Rennline's Carbon Fiber Rear Fuse Panel Cover the perfect solution to replace your tired or broken factory piece on your 911.
Made from high quality carbon fiber using the latest technology, our rear fuse panel cover is made using the dimensions of the OEM piece for a factory fit and finish while adding a bit of style.

Take your old cover off and install ours in its place. Installs in minutes using factory hardware.

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I103

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Sticker for fuse and rely box cover



Fits:
Porsche 911 Turbo 1987-88

Click 'Zoom in' for large parts diagram.
Diagram ref no 6A

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93061224302

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Connector housing with pins .



Fits:
Porsche 911/Carrera/Turbo (1970 to 1989)
Porsche 914/4 (1971)
Porsche 924 S (1986 to 1988)
Porsche 928 S/S4/GTS (1986 to 1995)
Porsche 944/2 (1986 to 1989)
Porsche 964 Carrera/Turbo/RS (1990 to 1994)
Porsche 968 (1992 to 1994)

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91161211502

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Connector housing, 14-pole.
for various applications on Porsche models, e.g. for wiring harness on engine or battery



Fits:
Porsche 911 /T (1970 to 1989)
Porsche 964 (1989 to 1994)
Porsche 914 (1971 to 1976; with VIN F 47129 09637>>)
Porsche 924 S (1986 to 1988)
Porsche 944/2 (1985 to 1991)
Porsche 968 (1992 to 1995)

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91161211305

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Cover for relay carrier.



Fits:
Porsche 911 1984-89 including Turbo

Diagram ref no 15

DAMAGED Fuse Rack Cover.
This is a damaged in transit part and has a visible crack inside of plastic housing, offered for parts or refurbishment purposes only. Ideal for restoration specialists, collectors, or workshops looking for components at reduced cost.

NOTE: For spares, repair, or core replacement only.

Condition: 
This Fuse Rack Cover is brand new and never been fitted. It has some transport damage which is repairable.
Please see the gallery of images before purchasing.

Fits:

• Porsche 911 1986 3.2L
• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1978-1989 3.3L Turbo (930)  

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91161216108U

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DME Relay.



Fits:
Porsche 911 1984-89 3.2L (6 Pin connector)

Previous number:
- 91161815400

* Please check and match the part number of your relay in your car before ordering.

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91161815402

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DME Relay 6 PIN. Porsche 911 3.2L 1984-89  

Fits:
Porsche 911 1984-89 3.2L (6 Pin connector)

Succeedes previous number:
- 91161815400
- 91161815401

* Please check and match the part number of your relay in your car before ordering.

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91161815402

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DME Relay.

Fits:
Porsche 911 1984-89 3.2L (6 Pin connector)

Previous number:
- 91161815400
- 91161815401

* Please check and match the part number of your relay in your car before ordering.

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91161815402

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Electric window relay

Fits:
Porsche 911 1985-89
Porsche 928 1989
Porsche 944 1985-91
Porsche 964 1989-94
Porsche 968 1992-95
Porsche 993 1994-97

* Please check and match the part number of your relay in your car before ordering.

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94461511203

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Electric window relay

Fits:
Porsche 911 1985-89
Porsche 928 1989
Porsche 944 1985-91
Porsche 964 1989-94
Porsche 968 1992-95
Porsche 993 1994-97

* Please check and match the part number of your relay in your car before ordering.

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94461511203

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