78.50 mm Standard Bore Cylinder Piston Gasket Kit for 2000-2006 Honda Rancher 350
Free Shipping
Free shipping to the US for a limited time
Free Returns
30 days worry-free return.
Secure Payment
One year warranty
Key Features
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Complete Overhaul Solution: A 100% brand-new, standard-sized replacement cylinder kit featuring the cylinder, piston assembly, and necessary top-end gaskets to restore your engine to peak operational health.
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Premium Metal Alloy Build: Manufactured from high-grade alloy metals offering extreme heat and wear resistance, maintaining stable compression under heavy off-road workloads.
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Superior Sealing Performance: Premium head and base gaskets ensure tight, leak-free operation, completely preventing coolant, oil, or fuel from escaping the combustion chamber.
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Precision Engineering: Features an exquisite broad-brimmed manufacturing process for smooth, rounded edges, ensuring seamless cooperation with other internal engine components.
Technical Specifications
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Cylinder Bore: 78.50 mm
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Cylinder Stroke: 68.00 mm
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Engine Displacement: 329 cc
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Compression Ratio: 8.8:1
Reference Part Numbers
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Replaces OE Numbers: 12100-HN5-670, 13010-HN5-671, 13101-HN5-670, 13111-HC0-000, 13112-HN5-670, 12251-HN5-671, 98069-57916, 2191-HN5-670
Fitment Guide
Specifically designed as a direct-fit replacement for the following Honda Rancher 350 ATV models:
| Make | Model | Year Range | Compatible Model Configurations |
| Honda | TRX350FA Rancher | 2000–2006 | Automatic / FourTrax 4x4 |
| Honda | TRX350FM Rancher | 2000–2006 | Manual Shift / FourTrax 4x4 |
| Honda | TRX350TE Rancher | 2000–2006 | Electric Shift / FourTrax 2x4 |
| Honda | TRX350TM Rancher | 2000–2006 | Manual Shift / FourTrax 2x4 |
Package Includes
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1 x Engine Cylinder Block
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1 x Complete Piston Assembly (Piston, Piston Rings, Wrist Pin, and Retaining Circlips)
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1 x Cylinder Head Gasket
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1 x Cylinder Base Gasket (Note: Components are exactly as shown in the product pictures).
Important Buyer Notes
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Fitment Verification: Please strictly verify your vehicle's model year, exact sub-model designation (FA/FM/TE/TM), and original factory part numbers before purchasing.
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Professional Installation: Due to the internal timing and critical torque specifications required when rebuilding an engine top-end, installation instructions are not included, and professional installation by a certified powersports mechanic is highly recommended.
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Measurement & Color Tolerances: Please allow a minor 1–3mm variation due to manual factory measurements. Actual product appearance and finish may vary slightly from online visuals depending on your monitor's display settings.
It is the customer's responsibility to buy the right products. If you are not sure, please contact us in time.
Thank you for your cooperation.
To ensure a faster and secure delivery, we choose FedEx, USPS, UPS, DHL Ground/Air shipping service. Available shipping methods are vary from different type of products and delivery destination. The majority in stock products and orders are going to be shipped the same day or within 1 business day. After which its delivery details can be tracked with the tracking number we email you. For custom or made to order products’ shipping time varies as they may have to be manufactured, painted, embroidered or assembled.
For more information, please check the following tips:
- Oversized products must ship by truck freight or LTL which is different from other ground shipping methods. Please noted that oversized products are required inspections and a signature service. Freight Shipping Information
- We offer free shipping service for 47 sates in domestics. HI, PR, AK, Guam, Virgin Islands, APOs are excluded from free shipping areas. You will be charged extra shipping fee for orders’ destinations that are not 47 free shipping states.
- "Free Shipping" applies only to orders shipped within the continental United States.
DISCLAIMER
In order to provide all our valued customers with the most up to date and accurate compatibility information, LABWORKAUTO is continuously implementing real-time updates to our line store. Due to the immediate nature of these updates, the correction of any errors or omissions might happen at any time without prior notice. This information may include but not limited to pricing, availability, suggested use, fitment, compatibility and warranties. LABWORKAUTO is not responsible for any additional labor cost, charge, loss or damage incurred as a result of correct or incorrect information, reference or products purchase from LABWORKAUTO. While we are working to avoid any errors or omissions that may appear on LABWORKAUTO website, we reserve the rights to cancel any undeliverable orders based on inaccurate information.
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RETURN
If you are not completely satisfied with your purchase, we will be happy to accept a return for a refund or exchange on products in new/unused condition within 30 days of delivery. All authorized returns must be unused and in their original condition, including all items and components that were included in the original package. Items being returned must not have been disassembled, mounted, modified, or damaged due to incorrect installation or user error. LABWORKAUTO.com will not be held responsible for installation or labor expenses, towing expenses, additional repair expenses, or rental car expenses caused by the use of wrong or defective parts during installation.We provide a limited warranty of 90 days for defective products from the date the product is received by the original purchaser or installer, unless otherwise specified at the time of purchase.
For each of our product warranties offered above, the following provisions apply:
The warranty is limited only to the original purchaser and is non-transferable.
Under NO circumstances will our liability exceed the amount of the original sale.
Each warranty does not cover any labor costs or incidental, indirect, special or consequential damages such as, but not limited to, physical injuries or property damage, loss of time, loss of use of the vehicle, inconvenience, air freight charges, rental vehicle charges, towing charges or accommodations resulting from a defect in or failure of the part.
A prepaid shipping label will be issued for all returns due to warranty claim.
The warranty does not cover lost or stolen packages. Because the customer is the shipper, he/she is the only one who can file any lost claim with the shipping company. Therefore, the claim must be coordinated and processed through the shipping company by the customer.