do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Belts All Types
By OE Match
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
This timing belt, tensioner, and idler rollers kit is a replacement front engine timing service kit for Porsche 928 models from 1978 to 1986. It includes the RD tooth timing cam belt, camshaft tensioner roller, and camshaft idler roller required for timing belt drive service.
Fits:
Porsche 928 4.5L 1978 - 1982
Porsche 928S 4.7L 1981 - 1983
Porsche 928S2 4.7L 1984 - 1986
Diagram ref no: 1, 9, 10
The kit helps maintain correct camshaft timing, belt routing, and belt tension within the engine timing system. The timing cam belt synchronises crankshaft and camshaft movement, while the tensioner roller and idler roller guide and support the belt as it operates.
Functions
• Replaces the timing cam belt
• Includes camshaft tensioner roller
• Includes camshaft idler roller
• Supports correct camshaft timing
• Helps maintain proper belt tension and belt tracking
• Replaces worn, noisy, rough, seized, or aged timing components
• Suitable for Porsche 928 timing belt service and preventative maintenance.
Why Replace This Kit?
Timing belt and roller components are exposed to heat, age, mileage, engine load, and constant rotation. A worn timing belt can crack, stretch, lose teeth, or fail without warning, while worn rollers can become noisy, rough, loose, or seized. Replacing the belt and rollers together helps protect the timing system and supports reliable engine operation.
When to Replace This Kit
• The timing belt service interval is due
• The timing belt is cracked, worn, contaminated, stretched, or aged
• Rollers are noisy, rough, loose, or seized
• Belt tracking or tension issues are present
• Front engine timing components are being serviced
• Preventative replacement is being carried out during major maintenance
• The vehicle is undergoing Porsche 928 engine service or restoration.
Where it fits on the car
This kit fits at the front engine timing belt drive area on Porsche 928 models from 1978 to 1986. It supports the camshaft timing belt system according to the factory timing layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810557100
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
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.
