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Product Details
The Honda OEM K-Series Cylinder Head Bolt is a genuine factory replacement designed for a wide range of Honda and Acura K20 and K24 engines. This essential engine fastener secures the cylinder head to the engine block, helping maintain the proper clamping force required for a reliable seal between the cylinder head, head gasket, and engine block.
Originally installed in numerous Honda K-series engines, this genuine OEM head bolt features an 11mm diameter and 155mm length, along with an integrated washer for proper load distribution during installation.
Cylinder head bolts play a critical role in engine reliability. Proper clamping force helps maintain the cylinder head gasket seal, preventing combustion pressure, engine oil, and coolant from leaking between the cylinder head and engine block.
During engine rebuilding, cylinder head replacement, or head gasket service, using the correct factory head bolts is essential. Improper or damaged fasteners can compromise the cylinder head gasket seal and potentially lead to serious engine damage.
Manufactured to Honda's original equipment specifications, this genuine cylinder head bolt provides the correct factory dimensions and fastening characteristics for compatible K-series applications.
Whether you're rebuilding an Acura RSX Type-S engine, refreshing a K24-powered Accord, or assembling a K20/K24 engine combination, this genuine Honda OEM head bolt is an excellent choice for maintaining factory-quality engine assembly.
Features
- Genuine Honda / Acura OEM Part: Authentic factory replacement manufactured to Honda's original equipment specifications.
- Factory Cylinder Head Bolt: Designed to secure the cylinder head to the engine block.
- K-Series Engine Compatibility: Fits numerous Honda and Acura K20 and K24 engine applications.
- 11x155mm Dimensions: Factory-specified bolt diameter and length.
- Integrated Washer: Includes the washer as part of the factory bolt assembly.
- OEM Clamping Characteristics: Designed for use with Honda's specified cylinder head tightening procedure.
- Direct Factory Replacement: Replaces the original cylinder head bolt on compatible engines.
- Durable Steel Construction: Engineered for demanding engine operating conditions.
- Ideal for Engine Rebuilds: Suitable for cylinder head service, head gasket replacement, and complete engine assembly.
- Popular K-Series Application: Commonly used in OEM K20/K24 rebuilds and compatible K-series engine swaps.
- OEM Part Number: 90005-PNA-003.
Additional Information
- Manufacturer: Honda / Acura
- Part Number: 90005-PNA-003
- OEM Description: Bolt-Washer (11x155)
- Other Names: Cylinder Head Bolt / K-Series Head Bolt / Engine Head Bolt / Cylinder Head Bolt with Washer
- Product Type: Engine Fastener / Cylinder Head Hardware
- Installation Location: Engine Cylinder Head
- Application: Cylinder Head to Engine Block
- Bolt Diameter: 11mm
- Bolt Length: 155mm
- Washer: Included
- Material: Steel
- Quantity: Sold Individually (1 Bolt)
- Typical Required Quantity: 10 Bolts per Engine on Applicable K-Series Engines
Installation Notes
- Proper cylinder head bolt installation is critical to maintaining a reliable head gasket seal.
- Before installation, inspect the engine block threads, cylinder head bolt holes, and cylinder head mounting surfaces for damage, contamination, or debris.
- Ensure the cylinder head and engine block mating surfaces are properly prepared and that the correct head gasket is installed.
- Honda cylinder head bolts use a specified tightening procedure that may include torque and angle steps. Always follow the factory service manual for your exact engine.
- Do not substitute generic bolts or reuse previously stretched cylinder head bolts without confirming that reuse is permitted under Honda's inspection and service specifications.
- When installing new cylinder head bolts, follow the factory instructions for thread lubrication, washer preparation, tightening sequence, and torque-angle procedure.
- Tighten the bolts in the specified sequence to distribute clamping force evenly across the cylinder head.
- For engines equipped with aftermarket head studs, aftermarket cylinder heads, or modified engine block configurations, follow the applicable hardware manufacturer's installation instructions instead of assuming factory specifications apply.
Note:
- Includes one genuine Honda cylinder head bolt with integrated washer. Most applicable K-series engines require 10 bolts for a complete cylinder head installation. The cylinder head gasket, additional head bolts, and other engine components are sold separately.
For Honda and Acura enthusiasts performing cylinder head maintenance, rebuilding a K-series engine, or assembling a performance-oriented K20/K24 combination, this genuine Honda OEM Cylinder Head Bolt provides the factory-correct dimensions and fastening design needed for dependable engine assembly.
| Part Number: | 90005-PNA-003 |
| 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 |
|---|---|---|---|
| 2002 | Acura | RSX | Base |
| 2002 | Acura | RSX | Type-S |
| 2002 | Honda | CR-V | EX |
| 2002 | Honda | CR-V | LX |
| 2002 | Honda | Civic | Si |
| 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 | Si |
| 2003 | Honda | Element | DX |
| 2003 | Honda | Element | EX |
| 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 | Si |
| 2004 | Honda | Element | DX |
| 2004 | Honda | Element | EX |
| 2004 | Honda | Element | LX |
| 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 | Si |
| 2005 | Honda | Element | EX |
| 2005 | Honda | Element | LX |
| 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 | Si |
| 2006 | Honda | Element | EX |
| 2006 | Honda | Element | LX |
| 2007 | Acura | RDX | Base |
| 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 | CR-V | EX |
| 2007 | Honda | CR-V | EX-L |
| 2007 | Honda | CR-V | LX |
| 2007 | Honda | Civic | Si |
| 2007 | Honda | Element | EX |
| 2007 | Honda | Element | LX |
| 2007 | Honda | Element | SC |
| 2008 | Acura | RDX | Base |
| 2008 | Acura | TSX | Base |
| 2008 | Honda | CR-V | EX |
| 2008 | Honda | CR-V | EX-L |
| 2008 | Honda | CR-V | LX |
| 2008 | Honda | Civic | MUGEN Si |
| 2008 | Honda | Civic | Si |
| 2008 | Honda | Element | EX |
| 2008 | Honda | Element | LX |
| 2008 | Honda | Element | SC |
| 2009 | Acura | RDX | Base |
| 2009 | Honda | CR-V | EX |
| 2009 | Honda | CR-V | EX-L |
| 2009 | Honda | CR-V | LX |
| 2009 | Honda | Civic | Si |
| 2009 | Honda | Element | EX |
| 2009 | Honda | Element | LX |
| 2009 | Honda | Element | SC |
| 2010 | Acura | RDX | Base |
| 2010 | Acura | RDX | SH-AWD |
| 2010 | Honda | Civic | Si |
| 2010 | Honda | Element | EX |
| 2010 | Honda | Element | LX |
| 2010 | Honda | Element | SC |
| 2011 | Acura | RDX | Base |
| 2011 | Acura | RDX | SH-AWD |
| 2011 | Honda | Civic | Si |
| 2011 | Honda | Element | EX |
| 2011 | Honda | Element | LX |
| 2012 | Acura | RDX | Base |
| 2012 | Acura | RDX | SH-AWD |
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