A-Premium 7-Rib Serpentine Belt Specifications
| Specification | Details |
|---|---|
| Brand | A-Premium |
| Product Type | Serpentine Drive Belt |
| Rib Count | 7 |
| Effective Length | 76.25 inches |
| Outside Circumference | 76.817 inches |
| Approximate Effective Length | 1,937 mm |
| Approximate Outside Circumference | 1,951 mm |
| Top Width | 0.947 inches |
| Belt Material | EPDM Rubber |
| Tensile Cord | Polyester |
| Cross-Section Designation | K |
| Fuel Compatibility | Gasoline Applications |
| Warranty | 1 Year, Unlimited Mileage |
Replacement and Cross-Reference Part Numbers
This A-Premium serpentine belt is advertised with the following replacement references:
Aftermarket References
- K070763
- 7PK1933
- K070763RPM
Toyota OE References
- 90080-21205
- 90080-91214
- 90916-02502
- 90916-02503
- 90916-02599
- 90916-A2002
- 90916-A2005
- 90916-A2012
- 90916-T2014
These are supplier-provided cross-references. Verify the specific reference against your vehicle’s original belt before ordering, as accessory configurations can differ.
Why Your Toyota or Scion Serpentine Belt Matters
The serpentine belt transfers rotational power from the engine crankshaft to compatible belt-driven accessories.
Depending on the engine and accessory layout, these components may include the alternator, air conditioning compressor, hydraulic power steering pump, and other accessories.
A worn or slipping belt can create unwanted noise and interfere with accessory operation.
For example, if the belt driving your alternator begins slipping, you may experience charging problems or a battery warning light.
Before replacing the alternator, our guide to testing alternator output with a multimeter explains how to evaluate charging-system performance.
Common Signs Your Serpentine Belt Needs Replacement
Toyota and Scion accessory drive belts experience constant flexing, heat exposure, and mechanical stress.
Common warning signs include:
- Squealing noises during cold starts
- Chirping noises while idling
- Frayed or damaged belt edges
- Cracked or missing belt ribs
- Glazed or polished belt surfaces
- Excessive belt vibration
- Alternator charging problems
- Air conditioning performance issues
- Unusual tensioner or idler pulley noises
A squealing belt does not always mean the belt itself is defective.
Worn pulleys, incorrect tension, accessory bearing problems, and misalignment can produce similar symptoms.
Inspecting the complete accessory drive system is important before installing a replacement belt.
EPDM Rubber Construction for Long-Term Durability
EPDM, or ethylene propylene diene monomer, is a synthetic rubber commonly used in modern automotive serpentine belts.
It offers resistance to heat, ozone, and environmental aging, making it well suited for demanding engine compartment conditions.
The A-Premium belt combines EPDM rubber with polyester tensile reinforcement to provide dependable accessory drive performance.
Its seven-rib design helps maintain consistent contact with compatible pulleys, while the reinforced construction supports stable operation under changing engine speeds and accessory loads.
Because modern EPDM belts may wear without developing obvious surface cracks, inspection should also include rib wear and the condition of the tensioner and pulleys.
Toyota Camry, Highlander, RAV4 and Scion Serpentine Belt Replacement Tips
Replacing a serpentine belt is a manageable maintenance task on many Toyota and Scion vehicles, but correct installation is essential.
Before beginning, identify the factory belt routing and confirm the correct replacement part.
Basic Replacement Procedure
- Park the vehicle securely and allow the engine to cool.
- Locate the original accessory drive belt and routing diagram.
- Inspect the tensioner, idler pulleys, and accessory bearings.
- Release belt tension using the appropriate tool and service procedure.
- Remove the worn belt.
- Compare the new A-Premium belt with the original.
- Route the replacement belt around the correct pulleys.
- Ensure all seven ribs are properly seated.
- Restore the specified belt tension.
- Start the engine and verify correct belt tracking and quiet operation.
Never force a serpentine belt onto a pulley using a screwdriver or sharp tool.
For additional instructions and common installation mistakes, see our DIY serpentine belt replacement guide.
Should You Replace the Belt Tensioner Too?
A worn belt tensioner can cause premature belt wear, slipping, or persistent squealing even after installing a new belt.
Before installing the A-Premium replacement belt, inspect the tensioner for:
- Excessive movement
- Rough or noisy bearings
- Visible pulley misalignment
- Weak or inconsistent spring tension
- Damaged pulley surfaces
Replacing a worn tensioner during the same service can help prevent repeat repairs.
However, a properly functioning tensioner does not automatically require replacement whenever the belt is changed.
Why Choose an A-Premium Replacement Serpentine Belt?
A-Premium offers aftermarket replacement parts for a wide range of automotive applications.
This seven-rib serpentine belt combines EPDM rubber construction, polyester tensile reinforcement, and application-specific dimensions to provide reliable power transmission for compatible Toyota and Scion vehicles.
Its stated one-year, unlimited-mileage guarantee provides additional purchase protection, subject to manufacturer warranty terms.
For drivers maintaining an older Toyota or Scion, replacing a worn accessory belt and inspecting the surrounding components is an important part of keeping the vehicle reliable.
Buy an A-Premium Toyota and Scion Serpentine Belt at Pro Street Online
Maintain dependable accessory drive performance with the A-Premium 7-Rib, 76.25-Inch Serpentine Belt.
Designed for select Toyota Camry, Highlander, RAV4, Solara, Scion tC, and Scion xB applications, this replacement belt offers durable EPDM construction and reinforced power transmission.
Shop serpentine belts, engine maintenance parts, and replacement automotive components at Pro Street Online.
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