MAZDA Fuel Injector Wire Harness 2.5L

( Manufacturer Part Number: L51267080 ), ( Type: Fuel Injector ), ( Country Of Origin: Japan )

Review MAZDA 2.5l Fuel Injector Wire Harness Section L512 67 080 Oem fits CX-7 2010–2012

The **Mazda L51267080 10-12 CX-7 2.5L Fuel Injector Wire Harness** is a meticulously engineered, high-quality replacement component designed specifically for Mazda s 2010 through 2012 CX-7 models equipped with the 2.5-liter Skyactiv-G or previous-generation inline-4 engine (NA or NPT variants). This harness serves as the critical electrical conduit between the engine control module (ECM) and the fuel injectors, ensuring precise fuel delivery for optimal engine performance, efficiency, and emissions compliance. Crafted from durable, automotive-grade wiring materials, it is built to withstand the demanding conditions of high-voltage electrical currents, temperature fluctuations, and mechanical stress under the hood, providing long-lasting reliability. The harness features a robust, heat-resistant insulation layer and corrosion-resistant connectors to prevent signal degradation, short circuits, or premature wear, which are common issues in aging or aftermarket wiring setups. Each wire is meticulously routed and secured with high-quality clamps and grommets, minimizing the risk of chafing or abrasion against engine components, brackets, or surrounding wiring. This direct-fit replacement eliminates the need for complex modifications, ensuring a seamless installation that maintains the factory-intended wiring layout while addressing common failures such as broken wires, loose terminals, or degraded insulation. Ideal for mechanics, DIY enthusiasts, or restoration projects, this harness is a precision-engineered solution that restores the original functionality of the fuel injection system, supporting smooth idle, responsive throttle response, and accurate fuel metering. Whether replacing a damaged harness due to age, corrosion, or physical damage, or upgrading an existing system for enhanced durability, this part is a trusted choice for maintaining the performance and longevity of your Mazda CX-7 s fuel delivery network.

### **Pros and Cons of buying a Mazda L51267080 10-12 CX-7 2.5L Fuel Injector Wire Harness (L512-67-080)**

1. **Direct Compatibility** This part is specifically designed for the 2010 2012 Mazda CX-7 with a 2.5L engine, ensuring a proper fit without modification.

2. **Reliability** Mazda s wiring harnesses are generally built to last, reducing the risk of electrical failures or short circuits in the fuel injection system.

3. **Prevents Common Issues** A faulty or damaged wire harness can cause misfires, poor fuel delivery, or even engine stalling. Replacing it can restore proper fuel injector function.

4. **Easier Installation** Since it s an OEM or high-quality aftermarket part, it should align correctly with existing wiring and connectors, simplifying the replacement process.

5. **Cost-Effective Fix** Replacing a harness is often cheaper than diagnosing and repairing related fuel system or electrical problems caused by a failing harness.

6. **Improves Performance** A functioning harness ensures consistent fuel delivery, which can enhance engine responsiveness and fuel efficiency.

1. **Potential Counterfeit Risk** If purchasing from an unverified seller, there s a chance of receiving a low-quality or fake part that fails prematurely.

2. **Labor Costs** While the part itself may be affordable, professional installation could add significant expense, especially if additional diagnostics are needed.

3. **Mixed Quality in Aftermarket Parts** Some aftermarket harnesses may not meet OEM standards, leading to durability issues or compatibility problems.

4. **Time-Consuming Replacement** If you re not experienced with automotive electrical work, removing and reinstalling the harness (and possibly related components) can be time-intensive.

5. **Underlying Issues May Persist** If the problem stems from something other than the harness (e.g., faulty injectors, bad ECU, or wiring corrosion elsewhere), replacing just the harness may not fully resolve the issue.

6. **Limited Availability** Depending on the source, finding the exact part number (L512-67-080) may require ordering from specialty suppliers, which could extend wait times.

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The **Mazda L51267080 fuel injector wire harness** is a practical and necessary replacement for the 2010 2012 CX-7 2.5L if the original harness is damaged or failing. It offers **direct compatibility, reliability, and a straightforward fix** for electrical or fuel system issues. However, **quality control, installation complexity, and potential hidden problems** are factors to consider.

If you re experiencing **misfires, poor acceleration, or fuel-related error codes (e.g., P0171, P0174)**, this part is likely the correct solution. For best results:

- **Buy from a trusted supplier** (Mazda dealer, reputable online retailers, or verified aftermarket brands).

- **Verify the part number** to avoid counterfeits.

- **Inspect surrounding wiring** for corrosion or damage before installation.

- **Consider professional installation** if unsure about electrical work.

**Recommendation:** Proceed with the purchase if symptoms align with a faulty harness, but ensure you re getting an authentic part. If budget allows, have a mechanic confirm the issue before buying to avoid unnecessary expenses. For DIYers with basic electrical skills, this is a manageable repair.

Details:

2010 2011 2012 MAZDA CX-7 2.5L - FUEL INJECTOR WIRE HARNESS SECTION USED IN GOOD WORKING CONDITION.

part #: l51267080 prices

• $95.00-$284.86

specifications carfuelinjector:

• for models: Cx-7
• for makes: Mazda
• for years: 2010-2012
• mpn: L51267080
• type: Fuel Injector
• country of origin: Japan

offer carfuelinjector:

• options: Ship-to-home
• started: April 13, 2026
• availability: In Stock
• quantity: 1
• sold: 0

seller carfuelinjector:

• city: North Miami Beach, Florida
• rating: 100.0%
• # reviews: 93

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: Used

payments carfuelinjector:

• credit card: Discover
• wallet: Apple-pay
• other

shipping carfuelinjector:

• class: Standard
• type: Fixed
• carrier: USPS
• cost: $0.00
• transit: 3-7 Days
• service: USPS Ground Advantage

returns carfuelinjector:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

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