📍 1350 Oceanview Ave, Marathon, FL 33050 📞 (305) 743-7116  |  Mon–Fri 8am–5pm (Closed 12–1pm)
Marathon Diesel Repair — Serving Marathon and the Florida Keys since 1990

What We Do

Full-service marine diesel repair — in our shop or at your dock

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Marine Diesel Repair

Complete engine diagnostics, repair, and reconditioning for Yanmar diesel engines up to 750HP.

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Suzuki Outboard Service

Authorized Suzuki Marine dealer — full service, parts, and warranty work on Suzuki outboard engines.

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Mobile Service

We come to you. $55 service call + $200/hr labor. Dockside, marina, or wherever you are in the Keys.

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Engine Reconditioning

Remanufactured marine diesel engines available for sale. Ask about our current Yanmar inventory.

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Parts Sales

Largest Yanmar parts inventory in the Florida Keys. Suzuki parts also in stock.

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Water Access

Accessible by boat — end of the canal between Pancho’s Fuel Dock and Burdines Marina.

Recent Parts for Sale

Updated as inventory changes — view all parts →

ZF3313316016 – Centa CF-R Torsional Coupling Ø320 mm, 0.25–15 kNm, for ZF 63/68/80/85 Gearboxes

The ZF 3313316016 Centa CF-R High Inertia Torsional Coupling is designed to deliver superior vibration damping and smooth torque transmission in marine propulsion and industrial powertrain systems. Compatible with ZF 63/68A/IV, 80A/IV, and 85A/IV gear systems, this coupling is engineered with CENTALAN or HD elastomers, offering high resistance to wear, torsional stress, and temperature fluctuations from –45 °C to +130 °C.
Yanmar Parts

ZF3313316016 – Centa CF-R Torsional Coupling Ø320 mm, 0.25–15 kNm, for ZF 63/68/80/85 Gearboxes The ZF 3313316016 Centa CF-R High Inertia Torsional Coupling is designed to deliver superior vibration damping and smooth torque transmission in marine propulsion and industrial powertrain systems. Compatible with ZF 63/68A/IV, 80A/IV, and 85A/IV gear systems, this coupling is engineered with CENTALAN or HD elastomers, offering high resistance to wear, torsional stress, and temperature fluctuations from –45 °C to +130 °C.

$1,500.00
Contact to Purchase
Yanmar 6LY2(A)-STP engine Oil cooler. a “Take Off” oil cooler for all 6LY2 series engine, also can be used for 6LYA series. This oil cooler was pressure tested, cleaned and service, ready to be used as exchange part.
Yanmar Parts

Yanmar 6LY2(A)-STP engine Oil cooler. a “Take Off” oil cooler for all 6LY2 series engine, also can be used for 6LYA series. This oil cooler was pressure tested, cleaned and service, ready to be used as exchange part.

$1,000.00
Contact to Purchase
H01076LP Complete Gasket set for 6LPSTE series. This is a complete gasket set to assemble a Yanmar 6LPA-STE series, all gaskets, seals, washer, O-rings etc. In this set you find everything you need to put the engine together after disassembly.
Yanmar Parts

H01076LP Complete Gasket set for 6LPSTE series. This is a complete gasket set to assemble a Yanmar 6LPA-STE series, all gaskets, seals, washer, O-rings etc. In this set you find everything you need to put the engine together after disassembly.

$980.00
Contact to Purchase
Fischer Panda 8 MINI PMS Digital. This is remanufactured 8 KW Fischer Panda Marine Generator by Marathon Diesel Repair, the unit been load tested and ready to be Installed.
Other Parts

Fischer Panda 8 MINI PMS Digital. This is remanufactured 8 KW Fischer Panda Marine Generator by Marathon Diesel Repair, the unit been load tested and ready to be Installed.

$8,000.00
Contact to Purchase
💳 Payment Options:
🤝 Local Pickup — Pay on arrival
📱 Zelle — Fast & easy transfer
💳 Stripe — Scan QR code to pay
📍 24.7046° N, 81.1090° W ⚓ Marathon, Florida Keys Open in Google Maps
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Marathon Diesel Assistant

Ask me about our services & parts

Hi! Ask me anything about Marathon Diesel — services, rates, hours, Yanmar or Suzuki parts.