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  3. HONDA 12251HP1671

HONDA Head Gasket 12251-HP1-671

fits model: Trx450r. make: Honda. year: 2004–2005.

12251-hp1-671 Honda 12251hp1671 Trx450r 2004-2005 Head Gasket Genuine Oem New Japan

( Part Type: Gasket Head ), ( Machine Type: Atv ), ( Oe/oem Part Number: 12251-1-671 ), ( Color: Black ), ( Manufacturer Part Number: 12251HP1671 ), ( Vintage Part: No ), ( Compatible Year: 2004, 2005 )

Review HONDA Head Gasket Genuine Oem New Japan fits TRX450R 2004–2005

Honda TRX450R 2004-2005 Head Gasket (12251-HP1-671)

Description:

The Honda TRX450R, a renowned all-terrain vehicle (ATV) known for its power and agility, is a popular choice among off-road enthusiasts. One of the vital components ensuring the engine's optimal performance is the head gasket. This gasket plays a crucial role in sealing the space between the cylinder head and engine block, preventing coolant and oil from mixing and ensuring a proper combustion chamber.

For 2004 and 2005 Honda TRX450R models, the OEM (Original Equipment Manufacturer) head gasket is identified as part number 12251-HP1-671. This gasket is specifically designed and engineered to fit and function effectively in these specific ATV models.

This head gasket is manufactured using advanced materials and technology, ensuring superior sealing capabilities and durability. It is designed to withstand the extreme temperatures and pressures generated within the engine, maintaining a tight seal between the cylinder head and engine block.

Installation of this head gasket is essential for maintaining the engine's performance and longevity. When replacing the head gasket, it is recommended to also inspect and replace other related components such as the cylinder head, engine block, and cooling system components to ensure a successful repair and prevent future issues.

In summary, the Honda TRX450R 2004-2005 Head Gasket (12251-HP1-671) is a vital component for maintaining the engine's performance and longevity. This OEM gasket is specifically designed and engineered for the 2004 and 2005 Honda TRX450R models, ensuring a proper seal and optimal engine function. By investing in a quality head gasket, you can enjoy the power and performance your TRX450R has to offer for years to come.

Buying a Honda 12251-hp1-671 head gasket for a 2004-2005 TRX450R ATV can be a viable solution for those experiencing head gasket issues. Here are some pros and cons to consider before making a purchase:

Pros:

1. OEM Part: This head gasket is an original equipment manufacturer (OEM) part, which means it is specifically designed and manufactured by Honda for the TRX450R model.

2. High-Quality: OEM parts are generally known for their durability, reliability, and fitment.

3. Reduces Leaks: A faulty head gasket can cause coolant and oil leaks, which can lead to engine damage if not addressed. Replacing the head gasket with a new one can help prevent these leaks and potentially save you from costly repairs down the line.

4. Improves Engine Performance: A worn-out head gasket can cause engine performance issues, such as poor fuel efficiency, rough idling, and even stalling. Replacing the head gasket can help improve engine performance and restore the ATV's original power and efficiency.

Cons:

1. Cost: OEM parts can be more expensive than aftermarket parts due to their high-quality production and brand reputation.

2. Availability: Depending on the supplier or dealer, it may take some time to obtain an OEM head gasket for your specific ATV model and year.

3. Installation: Installing a head gasket can be a complex and time-consuming process that requires specialized tools and knowledge. It is recommended to have this work done by a professional mechanic to ensure proper installation and avoid potential damage to the engine.

Ending Conclusion:

While the cost and installation process may be drawbacks, the benefits of using an OEM head gasket for your 2004-2005 Honda TRX450R ATV are worth considering. The high-quality manufacturing, durability, and improved engine performance can save you from costly repairs and frustrations in the long run. It is important to weigh these factors against the cost and availability before making a decision.

Recommendation:

If you are experiencing head gasket issues on your 2004-2005 Honda TRX450R ATV, it is recommended to purchase an OEM head gasket from a reputable Honda dealer or supplier. Make sure to consider the cost, availability, and installation process before making a purchase. Additionally, it is highly recommended to have the installation work done by a professional mechanic to ensure proper installation and avoid potential damage to the engine.

part # 12251hp1671 prices

  • $25.95-$40.23

specifications atvsienna:

  • for models: Trx450r
  • for makes: Honda
  • for years: 2004-2005
  • part type: Gasket Head
  • machine type: Atv
  • oe/oem part number: 12251-1-671
  • color: Black
  • manufacturer part number: 12251HP1671
  • vintage part: No
  • compatible year: 2004, 2005

returns atvsienna:

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

offer atvsienna:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: February 15, 2026
  • best offers: True

general atvsienna:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

seller atvsienna:

  • rating: 100.0%
  • # reviews: 556

shipping atvsienna:

  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 6-12 Days
  • type: Calculated
  • class: Standard
  • cost: $0.00

payments atvsienna:

  • wallet: Google-pay
  • other
  • credit card: Diners-club
for models: trx450r, for makes: honda, for years: 2004-2005, part type: gasket head, machine type: atv, oe/oem part number: 12251-1-671, vintage part: no, compatible year: 2004, 2005,
category: atv parts > atv, side-by-side utv parts accessories > engines engine parts > engine parts, color: black, sku: 11886114910441782,

Honda 12251HP1671 Is Similar To:

atvsienna logo
5 offers $25.95–$40.23 USD
  • Offer #1: $25.95 price + free delivery = $25.95* total. For Sale is an OEM Honda Cylinder Head Gasket.FREE SHIPPING
  • Offer #2: $40.23 price + free delivery = $40.23* total. C7877,4848M09400, 13101-HP1-670 13011-HP1-305, , M2021, 13101-HP1-670, C7877, 191070001810, 13011-HP1-305 , , 12191-HP1-671 12191-HP1-671 13101-HP1-670 13111-HP1-670, 13112-HP1-670 13331-360-000 JG1101-3701, C7877, C3043, 12101-HP1-670, 12191-HP1-671, 12209-KL4-005, , 13011, 13011-HP1-305, 13101-HP1-670, 13111-HP1-670, 13112-HP1-670, 71016-4, 71016, M2035.FREE SHIPPING
  • Offer #3: $39.98 price + free delivery = $39.98* total. Fits Honda TRX450R 2004-2005 ONLY.FREE SHIPPING
  • Offer #4: $588.88 price + free delivery = $588.88* total. It covers all essential components for a top-end refresh. Bolt-on, no machining.FREE SHIPPING
  • Offer #5: $36.00 price + free delivery = $36.00* total. New.FREE SHIPPING