SKU: 29083122797

1989 Honda ATV TRX300 FOURTRAX Cylinder Piston Top End Gasket Kit 12000-HC4-000 12251-HA0-004

Sale price$59.29 Regular price$65.88
Save 10%

Pay in installments of $16.47 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

1989 Honda ATV TRX300 FOURTRAX Cylinder Piston Top End Gasket Kit 12000-HC4-000 12251-HA0-0041988 2000 Honda TRX300 Fourtrax FW 4x4 2x4 Cylinder Piston Top End Gasket Kit Features: Kit includes cylinder, spark plugs, oil filter, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). Cast piston has super high silicone content for additional strength. Piston skirts are Molybdenium Teflon coated to minimize resistance wear and provide extended life. Piston dome is anodized for superior heat resistance and longer

1988-2000 Honda TRX300 Fourtrax FW 4x4 2x4 Cylinder Piston Top End Gasket Kit

Features:
Kit includes cylinder, spark plugs, oil filter, piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured).
Cast piston has super-high silicone content for additional strength.
Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life.
Piston dome is anodized for superior heat resistance and longer lifespan.
The gaskets use performance materials to increase durability and provide greater reliability.
Includes all gaskets pictured to rebuild top end.
Kit is for standard bore size - 74.00 mm.
All of the components within this kit are bolt-on ready for a hassle free installation.

Specifications:
Condition: Aftermarket 100% Brand New
Quantity: 1 Set
Cylinder Material: High-Grade Cast Aluminum
Piston Material: Forged Aluminum
Bore Size: STD 74.00mm
Spark Plug Dimension:
Thread Diameter: 12mm
Thread Length: 19mm
Electrode Gap:0.9mm

Replacement Part Number:
Cylinder: 12000-HC4-000, 12100-HC4-000
Cylinder head gasket: 12251-HA0-004
Cylinder base gasket: 12191-HC4-900
Cylinder o-ring(78.3x2mm): 91304-HA0-003
Valve tappet cover o-rings(57x3mm): 12392-HC4-005
Cylinder o-ring(33.7x2.4mm): 91305-HA0-680 (Sits Between Cylinder and Intake Manifold)
Intake pipe gasket: 18291-MN4-920
Valve stem seals: 12209-KL4-005
Oil filter: 15412-HM5-A10

FITMENT:
Fit for Honda TRX 300 2x4 & 4x4 FW four-wheelers 1988-2000
(This is for the Utility Model ATVs with the rack on the front and the back, NOT the race model ATVs)

Fit for 1988 Honda ATV TRX300 FOURTRAX 300
Fit for 1988 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 1989 Honda ATV TRX300 FOURTRAX
Fit for 1989 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 1990 Honda ATV TRX300
Fit for 1991 Honda ATV TRX300
Fit for 1991 Honda ATV TRX300FW
Fit for 1992 Honda ATV TRX300
Fit for 1992 Honda ATV TRX300FW
Fit for 1993 Honda ATV TRX300
Fit for 1993 Honda ATV TRX300FW
Fit for 1994 Honda ATV TRX300
Fit for 1994 Honda ATV TRX300FW
Fit for 1995 Honda ATV TRX300
Fit for 1995 Honda ATV TRX300FW 4X4
Fit for 1996 Honda ATV TRX300 FOURTRAX
Fit for 1996 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 1997 Honda ATV TRX300
Fit for 1997 Honda ATV TRX300FW 4X4
Fit for 1998 Honda ATV TRX300
Fit for 1998 Honda ATV TRX300FW 4X4
Fit for 1999 Honda ATV TRX300 FOURTRAX
Fit for 1999 Honda ATV TRX300FW FOURTRAX 4X4
Fit for 2000 Honda ATV TRX300
Fit for 2000 Honda ATV TRX300FW 4X4

Package includes:
1x Cylinder
1x Standard Size Piston
1x Piston Ring Set
1x Wristpin
2x Circlips
1x Oil Filter
1x Cylinder Head Gasket
1x Cylinder Base Gasket
1x Exhaust Gasket
2x Valve Stem Seals
1x Exhaust Gasket
1x Cylinder O-ring(78.3x2mm)
2x Valve Tappet Cover C-rings(57x3mm)
1x Sits Between Cylinder and Intake Manifold O-ring(33.7x2.4mm)
1x Exhaust Pipe Gasket
2x Spark Plug

Note:
Ring end gaps are checked prior to shipment for proper sizing.
Please check out the product and size fits your motorcycle or not before you purchase.

Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
24-Hour Expert Online: Solve your installation and product problems

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 29083122797

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 9 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
M
Verified Purchase
Matt Clark
Massapequa, US
★★★★★ 5
Better than canned air
I got this because I got sick or buying canned air. This will pay for itself in a short time if you use canned air often enough. Surprisingly powerful and can even blow some debris from the floor of my garage from a standing position. Different attachments for whatever your need it. Well worth it. As soon as I got it I cleaned all my electronics and was satisfied by how much dust flew out of them. Electronics can now breath again and are performing as they should and are not overheating.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
D
Verified Purchase
David
Charlottesville, US
★★★★★ 5
Best portable air dusters on the market - extremely powerful and lightweight! 🙏🏻
As someone who cuts hair, this Wolfbox MF50 has been super useful for keeping my clippers, trimmers, and my station clean. This is one of my favorite products I have in my kit and overall it’s one of the best investments I’ve made. The airflow is strong enough to blow hair out of blades and hard-to-reach areas without needing an air compressor and on the go. It’s compact, rechargeable, and easy to keep at the barber station. Great tool for barbers or anyone who wants quick cleanup during cuts. The battery takes a while to recharge but if you plug it in after every use you should have no problems using it all day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
V
Verified Purchase
Vel, Sea
Grantham, US
★★★★★ 5
Compact product that will save you money over time.
This is a very impressive product that eliminated the wasteful spending on can air. I do a lot of laser cutting and engraving projects that create a constant need to clear out the find particle in the machine. This air duster provide the correct amount of pressure I needed to clean those areas while not creating addition mess. The attachment are useful to focus the pressure on cleaning out those hard to reach areas. Battery or motor temperature did not get hot and remain constant. The volume of air also stay constant throughout the time of use. This is idea for those that dont have the air compressor, live on a budget, and like quick and easy solutions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
P
Verified Purchase
Paul Huang
Grantham, US
★★★★★ 5
Powerful, Efficient, and Great for Cleaning
This air duster is extremely powerful and does an excellent job cleaning dust from keyboards, electronics, and tight spaces. The high RPM really makes a difference, and it feels much more effective than canned air. It’s rechargeable, easy to use, and saves money in the long run. Very satisfied with the performance and build quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
W
Verified Purchase
WilliamB
Natrona Heights, US
★★★★★ 4
Great upgrade from canned air for keyboard and desk cleaning
I picked this up mainly to clean my keyboard and desk setup, and it's done a solid job replacing the canned air I used to constantly restock. No more running out mid-clean or dealing with the cold spray residue; just plug it in and go. The airflow is strong enough to blast crumbs and dust out from between keycaps with ease. I was impressed by how much junk it pulled out of my keyboard that I didn't even realize was in there. For desk gear like vents, cable ports, and monitor edges, it works really well, too. The 3-speed settings are handy. I stick to the lower settings for most keyboard work and only bump it up when something is really packed in. Build quality feels decent, and it charges via USB-C, which is convenient. The reason I'm giving it 4 stars instead of 5 is that it's a bit louder than I expected at higher speeds. Not a dealbreaker, but worth knowing going in. Overall, though, it's a smart buy if you're tired of buying canned air on repeat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026

recommand products