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Product Details
The Genuine Honda OEM Fuel Injector O-Ring (91301-PLC-000) is a factory replacement sealing component designed to provide a secure, leak-resistant connection within the fuel injection system of compatible Honda and Acura engines. Manufactured to Honda's original equipment specifications, this precision-engineered O-ring helps maintain proper fuel system sealing, reliable engine operation, and long-lasting performance.
Fuel injector O-rings play an essential role in preventing fuel leakage at the connection between the injector and fuel rail or other designated fuel system components. Over time, exposure to fuel, engine heat, and repeated temperature changes can cause the original O-rings to harden, crack, flatten, or deteriorate, potentially resulting in fuel leaks and reduced sealing performance.
Whether you're replacing fuel injectors, upgrading your fuel system, rebuilding a K-Series engine, or performing routine fuel system maintenance, replacing worn or damaged O-rings with genuine Honda components is an important step toward maintaining a properly sealed fuel system.
Featuring precise 7.47mm x 3.6mm dimensions, this OEM O-ring provides factory-quality sealing performance for compatible Honda and Acura fuel injection applications.
Features
- Genuine Honda OEM Quality: Manufactured to Honda's original equipment specifications for dependable fitment, sealing performance, and reliability.
- Precision 7.47x3.6mm Dimensions: Features a nominal 7.47mm inner diameter and 3.6mm cross-sectional thickness.
- Reliable Fuel System Sealing: Helps prevent fuel leakage at compatible fuel injector and fuel rail connections.
- Fuel-Resistant Construction: Designed for use in the designated factory fuel system application.
- Durable Sealing Performance: Engineered to withstand normal engine operating temperatures and fuel system conditions.
- Direct OEM Replacement: Replaces the original factory-installed O-ring without modification on compatible applications.
- Maintains Fuel System Integrity: Helps preserve proper sealing at the fuel injector connection.
- Ideal for Injector Replacement: Recommended when removing or replacing fuel injectors during maintenance or repairs.
- Excellent for Engine Rebuilds: A useful replacement component when refreshing the fuel system during engine assembly.
- Performance Application Compatible: Suitable for compatible naturally aspirated, turbocharged, and supercharged engine configurations.
- Factory Fit and Function: Maintains Honda's original sealing specifications and component design.
- Cost-Effective Preventative Maintenance: Replacing aging O-rings during fuel system service can help prevent future leaks and unnecessary repairs.
Additional Information
- Manufacturer: Honda
- Brand: Genuine Honda OEM
- Part Number: 91301-PLC-000
- Product Type: Fuel Injector O-Ring
- Alternative Names: Injector O-Ring, Fuel Rail O-Ring, Fuel Injector Seal, Injector Sealing Ring
- OEM Description: O-Ring (7.47x3.6)
- Inner Diameter: 7.47mm
- Cross-Sectional Thickness: 3.6mm
- Installation Location: Fuel Injection System / Designated Fuel Injector or Fuel Rail Connection
- Replacement Type: Direct OEM Replacement
- Superseded Part Numbers: No superseded part numbers confirmed. Verify any interchange numbers through Honda's OEM parts catalog.
- Quantity: 1 O-Ring
- Condition: New
Common Reasons for Replacement
- Fuel injector O-rings are continuously exposed to fuel, engine heat, and pressure changes. Over time, the sealing material can deteriorate, reducing its ability to maintain a secure connection between fuel system components.
- Fuel Leaks Around Injectors: Fuel seepage or leakage near the injector or fuel rail connection may indicate a damaged or improperly seated O-ring.
- Hardened or Cracked Seals: Prolonged exposure to heat and fuel can cause the original O-ring to lose flexibility.
- Flattened or Deformed O-Rings: Normal aging and compression can reduce the seal's ability to maintain proper contact.
- Fuel Injector Replacement: Installing fresh seals is recommended when replacing factory fuel injectors.
- Fuel Rail Removal: O-rings should be inspected and replaced as necessary whenever the fuel rail or injectors are removed.
- Injector Cleaning and Servicing: Replacing worn sealing components helps ensure proper reassembly after injector maintenance.
- Engine Rebuilding: An excellent preventative maintenance item during complete engine assembly.
- Fuel System Upgrades: Replacement may be necessary when servicing compatible fuel rails or injectors during performance upgrades.
- High-Mileage Engine Maintenance: Aging seals can become brittle and more susceptible to damage during disassembly.
- Improper Previous Installation: Pinched, twisted, cut, or incorrectly installed O-rings can result in fuel leaks.
Important: Fuel leaks are a serious safety concern. If fuel is leaking from the injector or fuel rail area, do not operate the engine until the leak has been properly diagnosed and repaired.
Installation Notes
- Relieve Fuel System Pressure: Before removing fuel injectors or fuel rail components, follow Honda's factory service procedures to safely relieve residual fuel pressure.
- Disconnect the Battery: Disconnect the negative battery terminal before beginning fuel system service, following the applicable factory service manual.
- Access the Fuel Injectors: Remove any necessary intake or engine components to gain access to the fuel injectors and fuel rail.
- Remove the Fuel Rail or Injector: Carefully disconnect the appropriate fuel system components while avoiding damage to electrical connectors, fuel lines, and injector bodies.
- Remove the Existing O-Ring: Carefully remove the original sealing ring without scratching or damaging the injector or fuel rail sealing surfaces.
- Inspect the Sealing Surfaces: Check the injector, fuel rail, and surrounding components for scratches, corrosion, cracks, or other damage that could prevent proper sealing.
- Clean the Installation Area: Ensure the O-ring groove and mating surfaces are clean and free of dirt, debris, and old sealing material.
- Prepare the New O-Ring: Use only the lubricant and installation procedure specified in the applicable Honda factory service manual. Avoid petroleum-based lubricants or chemicals unless specifically approved for the seal material and application.
- Install the Replacement O-Ring: Carefully position the new O-ring in the correct location, ensuring it is not twisted, stretched excessively, pinched, or damaged.
- Reinstall the Fuel Injector: Carefully insert the injector into its designated mounting location, making sure the O-ring remains properly seated during installation.
- Reassemble the Fuel System: Reinstall the fuel rail, mounting hardware, electrical connectors, and any removed components according to Honda's factory service procedures and torque specifications.
- Restore Fuel System Pressure: Follow the appropriate service procedure to restore fuel pressure and carefully inspect all serviced connections for leaks before starting the engine.
- Verify Proper Operation: Once the system has passed the initial leak inspection, start the engine and check for additional fuel leaks or abnormal operation.
- Installation Recommendation: Fuel injection systems operate under pressure and require careful handling. Professional installation is recommended for individuals unfamiliar with fuel system maintenance or repair.
Important Safety Note: Never reuse an O-ring that is cut, cracked, excessively stretched, or otherwise damaged. Always confirm that the replacement seal is designed for the specific fuel system connection being serviced.
What's Included
- (1) Genuine Honda OEM Fuel Injector O-Ring – 91301-PLC-000
Please Note:
- Fuel injectors, fuel rails, injector clips, additional injector seals, fuel lines, mounting hardware, and installation tools are sold separately.
Quantity Note:
- This product includes one individual O-ring, not a complete set for all fuel injectors. Order the appropriate quantity for your specific application.
Maintain a properly sealed and reliable fuel injection system with the Genuine Honda OEM Fuel Injector O-Ring (91301-PLC-000). Featuring precise 7.47x3.6mm dimensions, factory-engineered sealing performance, and genuine Honda quality, this OEM replacement O-ring is an excellent choice for fuel injector servicing, engine rebuilds, fuel rail maintenance, and preventative repairs.
Whether you're restoring a daily-driven Honda, refreshing an Acura fuel system, or assembling a high-performance K-Series engine, choosing genuine Honda replacement components helps ensure dependable sealing, proper fuel system operation, and long-term reliability.
| Part Number: | 91301-PLC-000 |
| Brand: | Honda |
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 1998 | Honda | Accord | EX |
| 1998 | Honda | Accord | LX |
| 1999 | Honda | Accord | EX |
| 1999 | Honda | Accord | LX |
| 1999 | Honda | Odyssey | Cargo |
| 1999 | Honda | Odyssey | EX |
| 1999 | Honda | Odyssey | LX |
| 2000 | Honda | Odyssey | Cargo |
| 2000 | Honda | Odyssey | EX |
| 2000 | Honda | Odyssey | LX |
| 2001 | Acura | MDX | Base |
| 2001 | Acura | MDX | Touring |
| 2001 | Honda | Civic | DX |
| 2001 | Honda | Civic | EX |
| 2001 | Honda | Civic | GX |
| 2001 | Honda | Civic | HX |
| 2001 | Honda | Civic | LX |
| 2001 | Honda | Odyssey | Cargo |
| 2001 | Honda | Odyssey | EX |
| 2001 | Honda | Odyssey | LX |
| 2002 | Acura | MDX | Base |
| 2002 | Acura | MDX | Touring |
| 2002 | Acura | RSX | Base |
| 2002 | Acura | RSX | Type-S |
| 2002 | Honda | CR-V | EX |
| 2002 | Honda | CR-V | LX |
| 2002 | Honda | Civic | DX |
| 2002 | Honda | Civic | EX |
| 2002 | Honda | Civic | GX |
| 2002 | Honda | Civic | HX |
| 2002 | Honda | Civic | LX |
| 2002 | Honda | Civic | Si |
| 2002 | Honda | Odyssey | Cargo |
| 2002 | Honda | Odyssey | EX |
| 2002 | Honda | Odyssey | EX-L |
| 2002 | Honda | Odyssey | LX |
| 2003 | Acura | MDX | Base |
| 2003 | Acura | MDX | Touring |
| 2003 | Acura | RSX | Base |
| 2003 | Acura | RSX | Type-S |
| 2003 | Honda | Accord | DX |
| 2003 | Honda | Accord | EX |
| 2003 | Honda | Accord | LX |
| 2003 | Honda | CR-V | EX |
| 2003 | Honda | CR-V | LX |
| 2003 | Honda | Civic | DX |
| 2003 | Honda | Civic | EX |
| 2003 | Honda | Civic | GX |
| 2003 | Honda | Civic | HX |
| 2003 | Honda | Civic | LX |
| 2003 | Honda | Civic | Si |
| 2003 | Honda | Element | DX |
| 2003 | Honda | Element | EX |
| 2003 | Honda | Odyssey | EX |
| 2003 | Honda | Odyssey | EX-L |
| 2003 | Honda | Odyssey | LX |
| 2003 | Honda | Pilot | EX |
| 2003 | Honda | Pilot | LX |
| 2004 | Acura | MDX | Base |
| 2004 | Acura | MDX | Touring |
| 2004 | Acura | RSX | Base |
| 2004 | Acura | RSX | Type-S |
| 2004 | Acura | TSX | Base |
| 2004 | Honda | Accord | DX |
| 2004 | Honda | Accord | EX |
| 2004 | Honda | Accord | LX |
| 2004 | Honda | CR-V | EX |
| 2004 | Honda | CR-V | LX |
| 2004 | Honda | Civic | DX |
| 2004 | Honda | Civic | EX |
| 2004 | Honda | Civic | GX |
| 2004 | Honda | Civic | HX |
| 2004 | Honda | Civic | LX |
| 2004 | Honda | Civic | Si |
| 2004 | Honda | Civic | Value Package |
| 2004 | Honda | Element | DX |
| 2004 | Honda | Element | EX |
| 2004 | Honda | Element | LX |
| 2004 | Honda | Odyssey | EX |
| 2004 | Honda | Odyssey | EX-L |
| 2004 | Honda | Odyssey | LX |
| 2004 | Honda | Pilot | EX |
| 2004 | Honda | Pilot | EX-L |
| 2004 | Honda | Pilot | LX |
| 2005 | Acura | MDX | Base |
| 2005 | Acura | MDX | Touring |
| 2005 | Acura | RL | Base |
| 2005 | Acura | RSX | Base |
| 2005 | Acura | RSX | Type-S |
| 2005 | Acura | TSX | Base |
| 2005 | Honda | Accord | DX |
| 2005 | Honda | Accord | EX |
| 2005 | Honda | Accord | LX |
| 2005 | Honda | Accord | SE |
| 2005 | Honda | CR-V | EX |
| 2005 | Honda | CR-V | LX |
| 2005 | Honda | CR-V | SE |
| 2005 | Honda | Civic | DX |
| 2005 | Honda | Civic | EX |
| 2005 | Honda | Civic | EX Special Edition |
| 2005 | Honda | Civic | GX |
| 2005 | Honda | Civic | HX |
| 2005 | Honda | Civic | LX |
| 2005 | Honda | Civic | LX Special Edition |
| 2005 | Honda | Civic | Si |
| 2005 | Honda | Civic | Value Package |
| 2005 | Honda | Element | EX |
| 2005 | Honda | Element | LX |
| 2005 | Honda | Odyssey | EX |
| 2005 | Honda | Odyssey | EX-L |
| 2005 | Honda | Odyssey | LX |
| 2005 | Honda | Odyssey | Touring |
| 2005 | Honda | Pilot | EX |
| 2005 | Honda | Pilot | EX-L |
| 2005 | Honda | Pilot | LX |
| 2006 | Acura | MDX | Base |
| 2006 | Acura | MDX | Touring |
| 2006 | Acura | RL | Base |
| 2006 | Acura | RSX | Base |
| 2006 | Acura | RSX | Type-S |
| 2006 | Acura | TSX | Base |
| 2006 | Honda | Accord | EX |
| 2006 | Honda | Accord | LX |
| 2006 | Honda | Accord | LX Special Edition |
| 2006 | Honda | Accord | Value Package |
| 2006 | Honda | CR-V | EX |
| 2006 | Honda | CR-V | LX |
| 2006 | Honda | CR-V | SE |
| 2006 | Honda | Civic | DX |
| 2006 | Honda | Civic | EX |
| 2006 | Honda | Civic | LX |
| 2006 | Honda | Civic | Si |
| 2006 | Honda | Element | EX |
| 2006 | Honda | Element | LX |
| 2006 | Honda | Odyssey | EX |
| 2006 | Honda | Odyssey | EX-L |
| 2006 | Honda | Odyssey | LX |
| 2006 | Honda | Odyssey | Touring |
| 2006 | Honda | Pilot | EX |
| 2006 | Honda | Pilot | EX-L |
| 2006 | Honda | Pilot | LX |
| 2006 | Honda | Ridgeline | RT |
| 2006 | Honda | Ridgeline | RTL |
| 2006 | Honda | Ridgeline | RTS |
| 2007 | Acura | MDX | Base |
| 2007 | Acura | RL | Base |
| 2007 | Acura | TL | Type-S |
| 2007 | Acura | TSX | Base |
| 2007 | Honda | Accord | EX |
| 2007 | Honda | Accord | EX-L |
| 2007 | Honda | Accord | LX |
| 2007 | Honda | Accord | Special Edition |
| 2007 | Honda | Accord | Value Package |
| 2007 | Honda | Civic | DX |
| 2007 | Honda | Civic | EX |
| 2007 | Honda | Civic | LX |
| 2007 | Honda | Civic | Si |
| 2007 | Honda | Element | EX |
| 2007 | Honda | Element | LX |
| 2007 | Honda | Element | SC |
| 2007 | Honda | Fit | Base |
| 2007 | Honda | Fit | Sport |
| 2007 | Honda | Odyssey | EX |
| 2007 | Honda | Odyssey | EX-L |
| 2007 | Honda | Odyssey | LX |
| 2007 | Honda | Odyssey | Touring |
| 2007 | Honda | Pilot | EX |
| 2007 | Honda | Pilot | EX-L |
| 2007 | Honda | Pilot | LX |
| 2007 | Honda | Ridgeline | RT |
| 2007 | Honda | Ridgeline | RTL |
| 2007 | Honda | Ridgeline | RTS |
| 2007 | Honda | Ridgeline | RTX |
| 2008 | Acura | MDX | Base |
| 2008 | Acura | RL | Base |
| 2008 | Acura | TL | Type-S |
| 2008 | Acura | TSX | Base |
| 2008 | Honda | Civic | DX |
| 2008 | Honda | Civic | EX |
| 2008 | Honda | Civic | LX |
| 2008 | Honda | Civic | MUGEN Si |
| 2008 | Honda | Civic | Si |
| 2008 | Honda | Element | EX |
| 2008 | Honda | Element | LX |
| 2008 | Honda | Element | SC |
| 2008 | Honda | Fit | Base |
| 2008 | Honda | Fit | Sport |
| 2008 | Honda | Odyssey | EX |
| 2008 | Honda | Odyssey | EX-L |
| 2008 | Honda | Odyssey | LX |
| 2008 | Honda | Odyssey | Touring |
| 2008 | Honda | Pilot | EX |
| 2008 | Honda | Pilot | Special Edition |
| 2008 | Honda | Pilot | Value Package |
| 2008 | Honda | Ridgeline | RT |
| 2008 | Honda | Ridgeline | RTL |
| 2008 | Honda | Ridgeline | RTS |
| 2008 | Honda | Ridgeline | RTX |
| 2009 | Acura | MDX | Base |
| 2009 | Acura | RL | Base |
| 2009 | Acura | TL | SH-AWD |
| 2009 | Honda | Civic | DX |
| 2009 | Honda | Civic | EX |
| 2009 | Honda | Civic | EX-L |
| 2009 | Honda | Civic | LX |
| 2009 | Honda | Civic | LX-S |
| 2009 | Honda | Civic | Si |
| 2009 | Honda | Element | EX |
| 2009 | Honda | Element | LX |
| 2009 | Honda | Element | SC |
| 2009 | Honda | Fit | Base |
| 2009 | Honda | Fit | Sport |
| 2009 | Honda | Odyssey | EX |
| 2009 | Honda | Odyssey | EX-L |
| 2009 | Honda | Odyssey | LX |
| 2009 | Honda | Odyssey | Touring |
| 2010 | Acura | MDX | Base |
| 2010 | Acura | RL | Base |
| 2010 | Acura | TL | SH-AWD |
| 2010 | Acura | ZDX | Base |
| 2010 | Honda | Civic | DX |
| 2010 | Honda | Civic | EX |
| 2010 | Honda | Civic | EX-L |
| 2010 | Honda | Civic | LX |
| 2010 | Honda | Civic | LX-S |
| 2010 | Honda | Civic | Si |
| 2010 | Honda | Element | EX |
| 2010 | Honda | Element | LX |
| 2010 | Honda | Element | SC |
| 2010 | Honda | Fit | Base |
| 2010 | Honda | Fit | Sport |
| 2010 | Honda | Odyssey | EX |
| 2010 | Honda | Odyssey | EX-L |
| 2010 | Honda | Odyssey | LX |
| 2010 | Honda | Odyssey | Touring |
| 2011 | Acura | MDX | Base |
| 2011 | Acura | RL | Base |
| 2011 | Acura | TL | SH-AWD |
| 2011 | Acura | ZDX | Base |
| 2011 | Honda | Civic | DX |
| 2011 | Honda | Civic | EX |
| 2011 | Honda | Civic | EX-L |
| 2011 | Honda | Civic | LX |
| 2011 | Honda | Civic | LX-S |
| 2011 | Honda | Civic | Si |
| 2011 | Honda | Element | EX |
| 2011 | Honda | Element | LX |
| 2011 | Honda | Fit | Base |
| 2011 | Honda | Fit | Sport |
| 2012 | Acura | MDX | Base |
| 2012 | Acura | RL | Base |
| 2012 | Acura | TL | SH-AWD |
| 2012 | Acura | ZDX | Base |
| 2012 | Honda | Fit | Base |
| 2012 | Honda | Fit | Sport |
| 2013 | Acura | MDX | Base |
| 2013 | Acura | TL | SH-AWD |
| 2013 | Acura | ZDX | Base |
| 2013 | Honda | Fit | Base |
| 2013 | Honda | Fit | Sport |
| 2014 | Acura | TL | SH-AWD |
| 2015 | Acura | ILX | Base |
| 2021 | Acura | TLX | Type S |
| 2022 | Acura | MDX | Type S |
| 2022 | Acura | TLX | Type S |
| 2023 | Acura | MDX | Type S |
| 2023 | Acura | TLX | Type S |
| 2023 | Acura | TLX | Type S PMC Edition |
| 2024 | Acura | MDX | Type S |
| 2024 | Acura | TLX | Type S |
| 2025 | Acura | MDX | Type S |
| 2025 | Acura | TLX | Type S |
| 2026 | Acura | MDX | Type S |
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