Top End Gasket Kit – Honda TRX500 FA / FGA / FPA Foreman Rubicon (2001–2014)

Top End Gasket Kit for Honda TRX 500 FA engines (2001–2014). Engineered to meet or exceed Honda's top-end sealing standards, this gasket kit restores compression and helps protect the engine during rebuilds. The precise-fit gaskets and seals deliver a reliable, leak-free seal at the cylinder head and surrounding passages for dependable operation across the TRX 500 FA family.

Designed for straightforward installation during a top-end rebuild, this kit provides all necessary gaskets and seals to restore factory tolerances and long-term performance when refreshing the TRX 500 FA engine family.

Comprehensive Vehicle Fitment

 

Product Specifications

 

OEM Cross-Reference Information

*OEM cross-reference numbers are provided for reference purposes only. These part numbers are confirmed for TRX500FA/FGA/FPA models through official Honda parts sources . Always verify fitment using your machine's exact model, year, and original part number before ordering.*

What's Included

Based on standard top-end gasket kits for the TRX500 FA engine, this kit typically includes:

• Cylinder head gasket (Multi-Layer Steel construction)

• Cylinder base gasket

• Cylinder head cover gasket (valve cover)

• Exhaust gasket(s)

• Intake gaskets

• Valve stem seals

• Related O-rings and seals as required for complete top-end sealing

Why Choose This Aftermarket Top End Gasket Kit?

• Direct-Fit Compatibility: Precision-engineered for Honda TRX500FA, TRX500FGA, and TRX500FPA Foreman Rubicon models spanning 2001 through 2014 .

• OEM Cross-Reference: Cross-references genuine Honda part numbers 12251-HN2-003 (cylinder head gasket) and 12315-HN2-003 (valve cover gasket) for confident replacement .

• Proven Aftermarket Support: Leading manufacturers like Cometic offer complete top-end gasket kits (Part No. C3628) specifically for 2001-2014 TRX500FA/FGA/FPA models, featuring:

  • MLS (Multi-Layer Steel) cylinder head gasket construction for superior sealing under high heat and pressure

  • Reinforced fiber compounds for other sealing surfaces

  • 93mm bore size and 0.027" head gasket thickness matching OEM specifications

• Restores Compression: New MLS head gasket ensures proper cylinder sealing for optimal engine performance.

• Prevents Leaks: Complete sealing kit prevents oil seepage and maintains clean engine operation.

Installation Notes:

• Ensure all mating surfaces are clean and free from old gasket material before installation.

• Follow manufacturer torque specifications and tightening sequences for cylinder head bolts.

• Use new gaskets only—do not reuse old gaskets once removed.

• Check valve clearance after head installation and adjust if necessary.

• After installation, run the engine and check for any signs of leaks.

• Note that production times for MLS gaskets may be 2-3 weeks as they are often manufactured to order .

Why Upgrade?
Worn or damaged gaskets can cause compression loss, oil leaks, and contamination—leading to poor performance and potential engine damage. Restore your Honda TRX500 FA Foreman Rubicon engine's sealing integrity with this quality aftermarket top end gasket set, designed to keep you working and riding with confidence.

Order your top end gasket kit today and get back on the trail with confidence.