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Light Bulbs
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99963120290/4
Product Information
Each
Fits: 911 1974-89, 924, 944, 928, 968, 964
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
The product you are viewing cross references to these numbers
Product Information
Bulb H4 StandardEach
Fits: 911 1974-89, 924, 944, 928, 968, 964
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
99963120290
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £3.50
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
99963120290/1
Product Information
These H4 dual-filament bulbs provide both high and low beam functionality, delivering reliable performance, excellent light distribution, and straightforward installation. They are ideal for drivers seeking improved visibility and a modern xenon-style look without modifying the vehicle's original lighting system.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
The product you are viewing cross references to these numbers
Product Information
Bulbs H4 Ultra Power Ice Blue.The OE MATCH H4 Ultra Power Ice Blue Bulbs are high-performance replacement headlight bulbs designed to provide a brighter, whiter light output compared to standard H4 halogen bulbs. Featuring an advanced Ice Blue coating, these bulbs produce a crisp white light appearance that enhances vehicle styling while improving visibility and road illumination during night driving and adverse weather conditions.
Sold As A Pair.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
These H4 dual-filament bulbs provide both high and low beam functionality, delivering reliable performance, excellent light distribution, and straightforward installation. They are ideal for drivers seeking improved visibility and a modern xenon-style look without modifying the vehicle's original lighting system.
What This Product Does:
- Provides high and low beam headlight illumination
- Produces a brighter, whiter light than standard halogen bulbs
- Improves road visibility during night driving
- Enhances visibility of road signs, markings, and hazards
- Offers a modern Ice Blue lighting appearance
- Maintains compatibility with standard H4 headlamp systems
Symptoms Of Wear Or Failure:
- Dim or reduced light output
- One or both headlights not working
- Discoloured or yellow-tinted light
- Flickering headlight operation
- Reduced night-time visibility
- Uneven brightness between headlights
- Frequent bulb failures
- Difficulty seeing road signs or hazards at night
Why Replacement Matters:
- Restores optimum road illumination and visibility
- Improves safety during night driving and poor weather conditions
- Enhances visibility of road markings, signs, and obstacles
- Maintains balanced lighting performance across both headlights
- Improves vehicle appearance with a crisp white light output
- Helps meet roadworthiness and vehicle inspection requirements
- Reduces driver eye strain during night-time journeys
- Ensures reliable headlight performance and driving confidence
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
99963120290
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £9.95
In Stock - 3- 5 Days Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
99963120290/2
Product Information
The Ring Xenon Plus premium performance halogen bulb makes driving at night brighter, easier and safer this is because Ring Xenon Plus headlamp bulbs are up to 30% brighter than conventional bulbs - not only making it easier for you to see where youre going but also making sure other drivers see you coming without being blinded by your lights.
The secret of the high performance bulb is that the filament is precision designed to focus as much light as possible in the key areas, to enhance visibility. In addition, the bulb should outperform standard bulbs due to a mixture of gases which prevent the filament from burning too quickly. And they dont need any extra power, which means that upgrading your headlights is simply a matter of changing the bulbs with no need to make alterations to switches or cables. As the bulbs have a low UV output, they are suitable for plastic headlamps, lenses or reflectors. Ring Xenon Plus bulbs must be fitted in pairs.
Fits:
Porsche 911 1974-89,
Porsche 924,
Porsche 944,
Porsche 928,
Porsche 968,
Porsche 964
Any Vehicle With a H4 Type Bulb
Sold As A Pair (2)
Brand: Ring
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
The product you are viewing cross references to these numbers
Product Information
Bulbs H4 XENON PLUS (Ring 872) 30% BrighterThe Ring Xenon Plus premium performance halogen bulb makes driving at night brighter, easier and safer this is because Ring Xenon Plus headlamp bulbs are up to 30% brighter than conventional bulbs - not only making it easier for you to see where youre going but also making sure other drivers see you coming without being blinded by your lights.
The secret of the high performance bulb is that the filament is precision designed to focus as much light as possible in the key areas, to enhance visibility. In addition, the bulb should outperform standard bulbs due to a mixture of gases which prevent the filament from burning too quickly. And they dont need any extra power, which means that upgrading your headlights is simply a matter of changing the bulbs with no need to make alterations to switches or cables. As the bulbs have a low UV output, they are suitable for plastic headlamps, lenses or reflectors. Ring Xenon Plus bulbs must be fitted in pairs.
Fits:
Porsche 911 1974-89,
Porsche 924,
Porsche 944,
Porsche 928,
Porsche 968,
Porsche 964
Any Vehicle With a H4 Type Bulb
Sold As A Pair (2)
Brand: Ring
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
99963120290
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £14.95
Orderable - 4 to 6 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
99963120290/5
Product Information
Fits:
Porsche 911 1972-89
Porsche 964 1989-94
Porsche 924 1976-85
Porsche 928 1978-95
Porsche 944 1982-91
Porsche 959 1987-88
Porsche 968 1992-95
-- Features --
- +220% brighter H4 performance halogen upgrade bulb
- Ring's best-performing halogen upgrade
- Provides more light on the road, improving visibility
- Enhanced visibility of road markings and signs
- Up to 3700K colour temperature for a whiter appearance in the headlamp compared to standard bulbs
- No changes to vehicle wiring required
-- Technical Specifications --
Bulb Technology: Halogen
ECE Type: H4
Wattage: 60/55W
Voltage: 12V DC
Brightness: +220%
Colour Temperature: 3700K
E Regulation: 37 (Filament Lamps)
Product Dimensions (mm): 75 x 43 x 47
Weight (KG): 0.04
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
The product you are viewing cross references to these numbers
Product Information
The Xenon220 H4 halogen bulbs - sold as a pair - are Ring’s best-performing, road-legal headlamp replacements, offering exceptional brightness and a longer beam for improved visibility. With a color temperature of up to 3700K, they provide a whiter light that enhances road markings and signs for safer night-time driving. Fits:
Porsche 911 1972-89
Porsche 964 1989-94
Porsche 924 1976-85
Porsche 928 1978-95
Porsche 944 1982-91
Porsche 959 1987-88
Porsche 968 1992-95
-- Features --
- +220% brighter H4 performance halogen upgrade bulb
- Ring's best-performing halogen upgrade
- Provides more light on the road, improving visibility
- Enhanced visibility of road markings and signs
- Up to 3700K colour temperature for a whiter appearance in the headlamp compared to standard bulbs
- No changes to vehicle wiring required
-- Technical Specifications --
Bulb Technology: Halogen
ECE Type: H4
Wattage: 60/55W
Voltage: 12V DC
Brightness: +220%
Colour Temperature: 3700K
E Regulation: 37 (Filament Lamps)
Product Dimensions (mm): 75 x 43 x 47
Weight (KG): 0.04
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99963120290
99963120290
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 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 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price: £24.99
Orderable - 4 to 6 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
About Light Bulbs
High-Quality Light Bulbs for Clear, Safe and Reliable Vehicle Illumination
Light bulbs play a crucial role in vehicle safety, visibility and road communication. Whether they illuminate the road ahead, signal your intentions to other drivers, or provide interior lighting, high-quality bulbs ensure you can see—and be seen—clearly in all conditions. From headlights and side repeaters to brake lights, fog lamps and interior illumination, choosing the right replacement bulbs is essential for maintaining safe, compliant and reliable lighting performance.
What Automotive Light Bulbs Do
Every light bulb on the vehicle has a vital function in
ensuring clear visibility and effective signalling:
- Illuminate
the road ahead with headlight and fog light bulbs
- Communicate
braking and turning with indicator and brake light bulbs
- Provide
interior visibility for cabin, boot and dashboard areas
- Enhance
safety and awareness in low-light or adverse weather
- Support modern styling and clarity with halogen, LED or xenon technologies
Quality bulbs ensure correct brightness, colour temperature and beam pattern for reliable everyday driving.
Why Automotive Light Bulbs Commonly Fail
Light bulbs naturally degrade over time or fail due to a
range of environmental and electrical conditions.
Common reasons include:
- Filament
wear in halogen bulbs from vibration and heat
- LED
driver failure in advanced lighting systems
- Electrical
resistance or poor connections causing intermittent illumination
- Heat
and moisture exposure leading to corrosion and shortened lifespan
- Voltage
spikes damaging internal components
- Age-related dimming reducing clarity and brightness
A failing bulb compromises visibility and can lead to MOT test failures or unsafe driving conditions.
Why You Should Replace Worn or Failed Light Bulbs
Replacing worn or blown bulbs with high-quality, precision-made alternatives engineered to match original performance standards ensures your lighting system remains safe, bright and road-legal.
Benefits include:
- Restored brightness and clear visibility
- Improved safety during night driving and poor weather
- Reliable signalling to other road users
- Reduced risk of fines or MOT failures
- Enhanced modern appearance with LED or high-performance bulb upgrades
- Better energy efficiency and longer lifespan with improved technology
Upgrading bulbs is a cost-effective way to improve styling, safety and overall vehicle usability.
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