GReddy 13514509 Extreme V-Belt – Subaru BRZ, Scion FR-S & Toyota 86 FA20

GReddy 13514509 Product Specifications

Important distinction: This is an accessory drive belt, not an engine timing belt. The FA20 uses timing chains for camshaft synchronization.

Verified Year, Make and Model Fitment

These applications are supported by GReddy’s ZN6/ZC6 documentation and aftermarket vehicle fitment listings.

GReddy トータルチューンナップ トラスト

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Not intended for: The second-generation Toyota GR86 and Subaru BRZ equipped with the 2.4L FA24 engine.

Why EPDM Construction Matters

Modern accessory drive belts must tolerate constant bending, temperature changes, and mechanical loading.

EPDM rubber is widely used in automotive belt manufacturing because it provides excellent resistance to heat, ozone, and environmental deterioration.

GReddy’s reinforced belt uses this material to support dependable accessory operation under demanding conditions.

According to GReddy, its belt construction also reduces weight compared with the factory belt, potentially improving its ability to follow changes in engine speed.

However, this does not mean the belt independently produces measurable horsepower gains.

For FA20 owners, the primary benefits are durability, wear resistance, and reliable accessory drive performance.

GReddy Extreme V-Belt vs. Factory Accessory Belt

Signs Your FA20 Accessory Belt Needs Replacement

Even a performance belt eventually requires replacement.

Common warning signs include persistent belt squealing, rib damage, frayed edges, glazing, or visible deterioration.

A failing belt can compromise accessory operation, potentially affecting charging and engine cooling.

When replacing the belt, inspect the automatic tensioner, idler pulleys, and accessory pulleys for damage or misalignment.

A new belt won’t correct a seized pulley or defective tensioner, regardless of how impressive the GReddy logo looks.

Installation and Maintenance Tips

Replacing the accessory belt on an FA20 requires releasing tension from the automatic belt tensioner and routing the new belt correctly around the accessory pulleys.

Before installation, compare the replacement belt with the original and confirm the 6PK2075 specification.

Check the pulley grooves for contamination, damage, or unusual wear.

After installation, verify that the belt is fully seated in each pulley and operates without abnormal noise or tracking problems.

Follow the factory service procedure and avoid working near moving belts or pulleys while the engine is running.

Frequently Asked Questions

What vehicles fit the GReddy 13514509 V-Belt?

The 2013–2016 Scion FR-S, 2013–2020 Subaru BRZ, and 2017–2020 Toyota 86 with the naturally aspirated 2.0L FA20 engine.

Is the GReddy 13514509 a timing belt?

No. It is a six-rib accessory drive belt. The FA20 engine uses timing chains, not a timing belt.

What is the GReddy 13514509 belt size?

The manufacturer specifies 6PK2075, identifying a six-rib belt with a nominal length of 2,075mm.

Does the GReddy belt improve horsepower?

There is no verified direct horsepower increase. Its benefits focus on durability, reduced weight, and accessory-drive performance.

Is it compatible with aftermarket pulleys?

GReddy lists compatibility with its FA20 aluminum pulley kits, including part numbers 13512111 and 13512112. Other aftermarket pulley arrangements require belt-length verification.

FA – ZN ZC ZD

Related Pro Street Online Technical Guides

These live My Pro Street Online articles are relevant to buyers diagnosing belt-related problems:

• Why Does My Car Squeal When I Accelerate? — Diagnose slipping belts, failing tensioners, and noisy pulleys.

• Why Is My Battery Light On? — Understand how accessory belt failure can affect alternator operation.

• Why Is My Car Overheating? Find the Cause Fast — Learn how water pump and belt problems can affect cooling performance.

For official specifications, see GReddy’s reinforced FA20 V-Belt documentation.