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Mazda 3 2010-2013 2.3L & 2.5L New OEM Harnesse fuse BCW8-67-S99A

Name: Mazda 3 2010-2013 2.3L & 2.5L New OEM Harnesse fuse BCW8-67-S99A
Brand: globalsautoparts.com
Price: 49.99 USD
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$49.99 USD

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✔ Mazda BCW8-67-S99A Harness Fuse — Genuine OEM Part
✔ Fitment: 2010–2013 Mazda 3 with 2.3L and 2.5L engines
✔ Direct replacement for factory harness fuse — no modifications required
✔ Manufactured to Mazda's original specifications and tolerances
✔ Genuine OEM quality — reliable electrical connection and fuse protection

Mazda BCW8-67-S99A Genuine Harness Fuse — for 2010–2013 Mazda 3 (2.3L / 2.5L)

An electrical system malfunction, a blown fuse that keeps blowing, intermittent power loss to vehicle components, or a check engine light related to the electrical system — these are common signs that your harness fuse may need replacement. The harness fuse provides a protected electrical connection between the fuse box and various vehicle systems. A damaged harness or blown fuse can cause power interruptions to critical components, leading to poor performance or safety issues. Replacing it with this genuine Mazda harness fuse restores proper electrical function and system reliability.

This is a factory-original Mazda harness fuse assembly (OE part number BCW8-67-S99A), specifically designed for the 2010–2013 Mazda 3 with 2.3L and 2.5L engines. It includes the wiring harness with the integrated fuse and connector, ready to plug into the factory fuse box. This is the same part sold at Mazda dealerships.

When to Replace

When to Replace (Common Symptoms)
• Electrical system malfunctions or intermittent power loss
• A fuse keeps blowing repeatedly
• Vehicle components (lights, radio, sensors) lose power
• Check engine light related to electrical system issues
• Visible damage to the harness (cracked insulation, melted wires)
• The connector is corroded or damaged
• You are performing a major electrical repair or fuse box replacement

Product Details & Highlights

Product Highlights
• ✔ Genuine Mazda OEM part — not an aftermarket or Chinese replica
• ✔ Integrated harness and fuse assembly — ready to install
• ✔ Direct plug‑and‑play replacement — no wiring modifications needed
• ✔ Manufactured to Mazda’s strict quality standards
• ✔ Made from high‑quality materials — durable and heat‑resistant
• ✔ Backed by Mazda’s manufacturer warranty (valid through any authorized dealer)

Package Contents

Package Contents
• 1 × Mazda BCW8-67-S99A harness fuse (genuine)

FAQ

Is this a genuine Mazda part or a copy?
This is 100% genuine Mazda OEM — in original factory packaging with Mazda part number printed on the label. It is not an aftermarket brand or a replica.

Does this fit my 2012 Mazda 3 with the 2.5L engine?
Yes — the 2012 Mazda 3 with the 2.5L engine uses this harness fuse. We recommend verifying with your VIN.

Does this fit the 2.0L engine?
No — this harness fuse is specifically for the 2.3L and 2.5L engines. The 2.0L version uses a different part number.

Does this come with the fuse installed?
Yes — the fuse is integrated into the harness assembly. No separate fuse is required.

Can I install this myself?
Yes — it is a plug‑and‑play replacement. Simply remove the old harness, disconnect it, and plug the new one in. However, always disconnect the battery before working on the electrical system.

What is the torque spec for installation?
No torque is required — this is a plug‑and‑play connection. Simply ensure the connector is fully seated.

Does this fit the 2010 Mazda 3?
Yes — the 2010 Mazda 3 with the 2.3L or 2.5L engine uses this harness. Please verify with your VIN.

Is this the same as the part used in the Mazda 5?
No — the Mazda 5 uses a different wiring harness and fuse assembly. This part is specifically for the Mazda 3.

How do I know if the fuse is blown?
Check the fuse visually (look for a broken wire inside the glass or plastic) or test it with a multimeter.

What is the amperage rating of the fuse?
The amperage rating is specific to the circuit. Please refer to your owner's manual or the fuse box cover for the correct rating.

Can I use this harness for aftermarket modifications?
This harness is designed for the factory electrical system. It is not recommended for aftermarket modifications.

View full details

Mazda 3 2010-2013 2.3L & 2.5L New OEM Harnesse fuse BCW8-67-S99A

OEM Part Numbers
• BCW8-67-S99A

Vehicle Fitment Table (OEM Compatibility)

Brand	Model	Years	Engine	Notes
Mazda	Mazda 3	2010–2013	2.3L / 2.5L	All trims with 2.3L or 2.5L engine

⚠️ Important Fitment Notes:

• Always verify by VIN – This harness fuse is designed specifically for the 2010–2013 Mazda 3 with 2.3L and 2.5L engines. It does not fit other years or engine sizes (e.g., 2.0L).

• Complete assembly – This includes the wiring harness and integrated fuse. No additional parts are needed.

• Direct replacement – This harness plugs directly into the factory fuse box and vehicle wiring.

• Genuine Mazda quality – This is an OEM part, not an aftermarket or Chinese replica.

• Double‑check your original part – Before ordering, confirm the part number printed on your old harness fuse or run your VIN through a Mazda OEM parts catalog for absolute certainty.

Condition
New (100% genuine Mazda packaging)

Function
The harness fuse provides a protected electrical connection between the vehicle's fuse box and various electrical components. The integrated fuse protects the circuit from overloads and short circuits, preventing damage to the electrical system and ensuring reliable operation.

Applications
This harness fuse fits the 2010–2013 Mazda 3 with 2.3L and 2.5L engines. It is a direct replacement for the factory part and connects to the main fuse box.

Important: This part is for the 2010–2013 Mazda 3 with 2.3L or 2.5L engines only. It is not compatible with the 2.0L engine or other model years. If in doubt, send us your VIN before ordering.

Technical Specifications

Parameter	Specification
Brand	Mazda (Genuine OEM)
Part Number	BCW8-67-S99A
Seller SKU	MAZDA_BCW8-67-S99A
Type	Harness fuse (wiring harness with integrated fuse)
Compatibility	Mazda 3 (2010–2013) with 2.3L / 2.5L engines
Material	High-quality wiring with heat-resistant insulation and fuse
Condition	New (factory original)

Warranty
Mazda's original manufacturer warranty applies. For claims, please contact your nearest Mazda authorized dealer with your proof of purchase. Warranty terms may vary by region — contact us before purchase if you need a warranty confirmation.