1. Pistons, Rings & Piston Kits Products
  2. sku: 12213097924141723
  3. HARLEY DAVIDSON 56-089

HARLEY-DAVIDSON 56-089 Piston Cast PISTON-CAST-STK.1340

fits make: Harley.

56-089 Harley-davidson Piston-cast-stk.1340 Oem New

( Brand: Harley-davidson ), ( Manufacturer Part Number: 56-089 ), ( Part Type: Piston ), ( Modified Item: No ), ( California Prop 65 Warning: May Cause Cancer And Reproductive Harm. See Www.p65warnings.ca.gov For More Info. ), ( Manufacturer Warranty: 1 Year )

Review HARLEY DAVIDSON Piston-cast-stk.1340 Oem New

Harley-Davidson Genuine OEM Replacement 56-089 Cast Piston for STK.1340 Engine

The Harley-Davidson 56-089 Cast Piston is a genuine OEM (Original Equipment Manufacturer) replacement part designed specifically for Harley-Davidson motorcycles with the STK.1340 engine. This piston is engineered to meet the highest standards of quality and performance, ensuring a perfect fit and reliable operation.

Made from a high-strength aluminum alloy, this cast piston boasts a durable and lightweight construction. The piston crown is engineered with an optimized combustion chamber design, which improves engine efficiency and power output. The piston skirt is precision machined to ensure a snug fit within the cylinder bore, minimizing friction and reducing wear.

Each Harley-Davidson 56-089 Cast Piston undergoes rigorous testing and inspection to ensure it meets the stringent quality standards set by Harley-Davidson. The piston is tested for compression, ring gap, and piston-to-wall clearance to ensure optimal engine performance.

Installing this genuine Harley-Davidson replacement piston is a straightforward process, making it an ideal choice for DIY enthusiasts or professional mechanics. The piston comes complete with a piston pin, wrist pin bushings, and piston rings, making it a comprehensive solution for piston replacement.

By choosing the Harley-Davidson 56-089 Cast Piston, you can trust that you are receiving a high-quality replacement part that is specifically designed for your motorcycle. This piston is a reliable and cost-effective solution for keeping your Harley-Davidson engine running strong, ensuring many more miles of riding enjoyment.

The Harley-Davidson 56-089 piston is a replacement part for Harley-Davidson V-Twin engines. Here are some pros and cons of buying this piston to help you make an informed decision:

Pros:

1. OEM Quality: This piston is a genuine Harley-Davidson part, ensuring a perfect fit and match to your engine.

2. Improved Performance: A new piston can help improve engine performance by ensuring a proper seal and reducing friction.

3. Peace of Mind: Buying an OEM part like this piston can give you peace of mind knowing that you are using a high-quality part from the manufacturer.

4. Long-Lasting: Harley-Davidson pistons are known for their durability and longevity.

Cons:

1. Cost: OEM parts like this piston can be more expensive than aftermarket parts.

2. Availability: Depending on your location and the availability of parts at your local Harley-Davidson dealer, it may take some time to get this part.

3. Installation: Installing a piston can be a complex and time-consuming process, requiring specialized tools and knowledge.

Conclusion:

If you are looking for a high-quality, long-lasting piston that will ensure the best possible performance from your Harley-Davidson engine, then buying the Harley-Davidson 56-089 piston is a good investment. However, be prepared for the higher cost and potential wait time for this OEM part.

Recommendation:

If you are on a budget or want a more immediate solution, you may want to consider an aftermarket piston. However, keep in mind that the quality and fit may not be as good as an OEM part, and you may need to do additional research to ensure compatibility with your engine. Ultimately, the decision comes down to your priorities and budget.

Details:

BRAND NEW AND HARLEY DAVIDSON GENUINEOEM FACTORY PISTON-CAST-STK.1340 OEM 56-089. GENUINE HARLEY DAVIDSON PART # 56-089.

part #: 56089 prices

  • $44.99-$74.58

specifications pistondon:

  • for makes: Harley
  • brand: Harley-davidson
  • mpn: 56-089
  • part type: Piston
  • modified item: No
  • california prop 65 warning: May Cause Cancer And Reproductive Harm. See Www.p65warnings.ca.gov For More Info.
  • manufacturer warranty: 1 Year

offer pistondon:

  • quantity: 1
  • best offers: True
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: May 5, 2026

returns pistondon:

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

shipping pistondon:

  • cost: $0.00
  • transit: 3-7 Days
  • class: Standard
  • carrier: UPS
  • type: Fixed
  • service: UPS Ground

payments pistondon:

  • credit card: Diners-club
  • other
  • wallet: Google-pay

seller pistondon:

  • city: Braintree, Massachusetts
  • # reviews: 1183755
  • rating: 99.8%

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
for makes: harley, part type: piston, modified item: no, california prop 65 warning: may cause cancer and reproductive harm. see www.p65warnings.ca.gov for more info., manufacturer warranty: 1 year,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 12213097924141723,

Harley-davidson 56-089 Is Similar To:

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2 offers $44.99–$74.58 USD
  • Offer #1: $44.99 price + $23.85 shipping estimate = $68.84* total. Electrical & Gauges Harley Davidson Touring Gas Tank Fuel Petcock Assembly 26374-95.+$23.85 shipping
  • Offer #2: $74.58 price + $0.00 shipping estimate = $74.58* total. OEM FACTORY NEW HARLEY DAVIDSON PISTON-CAST-STK.1340 OEM NEW.FREE SHIPPING

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