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Belts All Types
By OE Match
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Fits:
Porsche 911 3.2L 1978-89
Click 'Zoom in' for large parts diagram.
Diagram Ref No 35.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90019200550
The product you are viewing cross references to these numbers
- 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)
Belt size: 10 x 713 mm
The V-belt runs between the crankshaft pulley and the alternator/fan pulley. It’s the primary mechanical link that spins the alternator to charge the battery and, on air-cooled 911s and 914-6 models, turns the engine cooling fan.
Fits:
Porsche 911 1965 - 1973
Porsche 911 Turbo 1976 >>
Porsche 911 SC 1974 - 1979 (Check Size of your Belt)
Porsche 911 SC 1980 - 1983
Porsche 911 3.2L 1984 - 1989
Porsche 914 1970 - 1976
Please note: Always confirm against the belt size currently fitted and pulley setup before ordering.
Why Replacement Matters - With age and mileage, belts:
• Crack, glaze, or harden, reducing grip
• Stretch, making correct tension impossible
• Begin to slip, causing charging issues and, on air-cooled engines, reduced cooling fan speed
A slipping or failing belt can lead to battery discharge, warning lights, overheating, or being stranded. Fitting a fresh belt restores reliable alternator and fan drive, protecting both the engine and electrical system.
When to Replace - Consider replacing the alternator belt if:
• You see cracks, fraying, glazing, or missing chunks in the belt rubber
• The belt squeals on startup or under load
• The belt has stretched and can’t be tensioned correctly
• You’re doing routine service on a classic 911 / 914-6 or preparing for a long trip
• The car is undergoing engine-out work or restoration
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9991921765A
The product you are viewing cross references to these numbers
OEMatch Belts All Types — Fit, Function, Confidence
OEMatch belts cover a wide variety of drive and auxiliary applications on Porsche vehicles, including alternator, fan and power steering drives. These components play a key role in day-to-day running, so replacing aged or worn belts helps maintain smooth, predictable operation for Porsche models.
- Alternator drive belts for Porsche charging systems
- Engine cooling fan belts for air-cooled and auxiliary fan applications
- Power steering and hydraulic pump belts where fitted
- Auxiliary and accessory drive belts for ancillary components
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original belts all types. OE (Original Equipment) refers to parts matching original specifications for the belts all types and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM belts all types engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Many owners search for genuine or OEM belts all types; these are direct-fit alternatives designed to match the original form, fit and function.
- Engine drive belts supporting alternator, fan and accessory operation
- Belts covering a variety of Porsche model generations and engine layouts
- Options to support standard maintenance, overhaul or refurbishment work
Belts on Porsche engines transmit drive from the crankshaft pulley to alternators, cooling fans, power steering pumps and other ancillaries. They must follow specified routing and tension to work correctly, and their condition has a direct impact on everyday usability. OEMatch focuses on belts engineered to match the original form, fit and function for Porsche applications, so they fit original mounting points and clearances and are compatible with factory systems where relevant.
- Supports consistent operation of charging and cooling systems
- Helps reduce the likelihood of belt slip under normal use when correctly tensioned
- Allows scheduled maintenance to be carried out using direct-fit replacements
- Provides options suitable for a variety of Porsche models and engine configurations
- Age-related hardening, glazing and cracking of rubber over time
- Incorrect belt tension causing excessive wear or noise
- Contamination from oil or coolant affecting belt material
Replacing tired or noisy belts on a Porsche is an important part of preventative maintenance. Fresh components help keep alternator output stable, maintain intended cooling performance and preserve steering assistance where applicable. Using OEMatch belts made to original-spec dimensions for consistent performance supports reliable day-to-day use and helps avoid unexpected disruption from belt-related issues.
- Components made to original-spec dimensions for consistent performance
- Direct-fit replacements engineered to match original dimensions and tolerances
- Fits original mounting points and clearances on Porsche applications
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
