📍 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

Parts for Sale

Quality Yanmar and Suzuki marine parts — updated as inventory changes

All Parts Yanmar Parts Suzuki Parts Other Parts
YANMAR 4LH-DTE Mixing Elbow. This is a Stainless-Steel mixing elbow for Yanmar 4LH-DTE 170HP marine diesel engine.
Yanmar Parts #119173-13501

YANMAR 4LH-DTE Mixing Elbow. This is a Stainless-Steel mixing elbow for Yanmar 4LH-DTE 170HP marine diesel engine.

$450.00
Contact to Purchase
Yanmar 4BY series Mixing elbow. This engine is no longer available or no more in production by Yanmar but still a lot of then around, this Mixing elbow is brand-new never used, perfect replacement. Yanmar 4BY series Mixing elbow. This engine is no longer available or no more in production by Yanmar but still a lot of then around, this Mixing elbow is brand-new never used, perfect replacement. view 2
Yanmar Parts #120650-13901

Yanmar 4BY series Mixing elbow. This engine is no longer available or no more in production by Yanmar but still a lot of then around, this Mixing elbow is brand-new never used, perfect replacement.

$850.00
Contact to Purchase
Yanmar 6LY2(A)-STP engine Oil cooler is 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 6LY2(A)-STP engine Oil cooler is 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. view 2 Yanmar 6LY2(A)-STP engine Oil cooler is 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. view 3 Yanmar 6LY2(A)-STP engine Oil cooler is 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. view 4
Yanmar Parts #119574-33011

Yanmar 6LY2(A)-STP engine Oil cooler is 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
Yanmar 6LY2(A) Intercooler Housing. This is a intercooler housing for Yanmar 6LYA and 6LY2 series, note that this housing is without using pre-heater glow plugs. Note that this is just the housing without inside Core. Yanmar 6LY2(A) Intercooler Housing. This is a intercooler housing for Yanmar 6LYA and 6LY2 series, note that this housing is without using pre-heater glow plugs. Note that this is just the housing without inside Core. view 2 Yanmar 6LY2(A) Intercooler Housing. This is a intercooler housing for Yanmar 6LYA and 6LY2 series, note that this housing is without using pre-heater glow plugs. Note that this is just the housing without inside Core. view 3 Yanmar 6LY2(A) Intercooler Housing. This is a intercooler housing for Yanmar 6LYA and 6LY2 series, note that this housing is without using pre-heater glow plugs. Note that this is just the housing without inside Core. view 4 Yanmar 6LY2(A) Intercooler Housing. This is a intercooler housing for Yanmar 6LYA and 6LY2 series, note that this housing is without using pre-heater glow plugs. Note that this is just the housing without inside Core. view 5
Yanmar Parts

Yanmar 6LY2(A) Intercooler Housing. This is a intercooler housing for Yanmar 6LYA and 6LY2 series, note that this housing is without using pre-heater glow plugs. Note that this is just the housing without inside Core.

$2,700.00
Contact to Purchase
Yanmar 4LHA series Valve cover. This “Take Off” is in very good condition ,we have 5 units available. This is the valve cover or Bonnet Assembly for all 4LHA series engines as 4LHA-STE(P) / 4LHA-THE(P) / 4LHA-DTZE(P)
Yanmar Parts

Yanmar 4LHA series Valve cover. This “Take Off” is in very good condition ,we have 5 units available. This is the valve cover or Bonnet Assembly for all 4LHA series engines as 4LHA-STE(P) / 4LHA-THE(P) / 4LHA-DTZE(P)

$400.00
Contact to Purchase
6LP-STE SERIES. "Take Off" Intake Manifold. 6LP-STE SERIES. "Take Off" Intake Manifold. view 2 6LP-STE SERIES. "Take Off" Intake Manifold. view 3
Yanmar Parts #119775-12101

6LP-STE SERIES. "Take Off" Intake Manifold.

$400.00
Contact to Purchase
Yanmar 6LPA-STP Engine Block Oil cooler. This is a “Take Off” Fresh water oil cooler for Yanmar marine 6LPA-STP series.
Yanmar Parts #119770-00692

Yanmar 6LPA-STP Engine Block Oil cooler. This is a “Take Off” Fresh water oil cooler for Yanmar marine 6LPA-STP series.

$500.00
Contact to Purchase
6LPA-STP Series Heat Exchanger. a “take Off” service and pressure tested of a Heat exchanger for all 6LPSTE series . 6LPA-STP Series Heat Exchanger. a “take Off” service and pressure tested of a Heat exchanger for all 6LPSTE series . view 2 6LPA-STP Series Heat Exchanger. a “take Off” service and pressure tested of a Heat exchanger for all 6LPSTE series . view 3 6LPA-STP Series Heat Exchanger. a “take Off” service and pressure tested of a Heat exchanger for all 6LPSTE series . view 4
Yanmar Parts #119773-44011

6LPA-STP Series Heat Exchanger. a “take Off” service and pressure tested of a Heat exchanger for all 6LPSTE series .

$1,200.00
Contact to Purchase
6LPA-STP Front Cooling Pipe. “Take Off” , in all 6LPseries this is the front square fresh water pipe from Exhaust manifold ( coolant tank) into Cylinder head.
Yanmar Parts #119773-49110

6LPA-STP Front Cooling Pipe. “Take Off” , in all 6LPseries this is the front square fresh water pipe from Exhaust manifold ( coolant tank) into Cylinder head.

$750.00
Contact to Purchase
4LH-HTE Air cooler. Air cooler for 4LH-HTE , this is a 140HP YANMAR marine Diesel engine develop by Yanmar in 1998. The LH series is extremely compact and lightweight; this Air cooler is no longer available through Yanmar. Is a “Take Off” unit been service, pressure tested. 4LH-HTE Air cooler. Air cooler for 4LH-HTE , this is a 140HP YANMAR marine Diesel engine develop by Yanmar in 1998. The LH series is extremely compact and lightweight; this Air cooler is no longer available through Yanmar. Is a “Take Off” unit been service, pressure tested. view 2 4LH-HTE Air cooler. Air cooler for 4LH-HTE , this is a 140HP YANMAR marine Diesel engine develop by Yanmar in 1998. The LH series is extremely compact and lightweight; this Air cooler is no longer available through Yanmar. Is a “Take Off” unit been service, pressure tested. view 3 4LH-HTE Air cooler. Air cooler for 4LH-HTE , this is a 140HP YANMAR marine Diesel engine develop by Yanmar in 1998. The LH series is extremely compact and lightweight; this Air cooler is no longer available through Yanmar. Is a “Take Off” unit been service, pressure tested. view 4
Yanmar Parts #119172-18102 ( NLA )

4LH-HTE Air cooler. Air cooler for 4LH-HTE , this is a 140HP YANMAR marine Diesel engine develop by Yanmar in 1998. The LH series is extremely compact and lightweight; this Air cooler is no longer available through Yanmar. Is a “Take Off” unit been service, pressure tested.

$2,000.00
Contact to Purchase
6LPA-STZP Flywheel Housing for Stern drive application. Bravo Stern drive or Yanmar ZT370. This is a “Take Off” part in a very good condition and we provide also the Quicksilver rear engine Mount Kit for Bravo ZZ.
Yanmar Parts #119778-01601

6LPA-STZP Flywheel Housing for Stern drive application. Bravo Stern drive or Yanmar ZT370. This is a “Take Off” part in a very good condition and we provide also the Quicksilver rear engine Mount Kit for Bravo ZZ.

$1,900.00
Contact to Purchase
6LPA-STP(2) Flywheel Housing for Standard Gear. This is a “Take Off” part to be used with ZF63A or ZF68A series.
Yanmar Parts #119773-01500

6LPA-STP(2) Flywheel Housing for Standard Gear. This is a “Take Off” part to be used with ZF63A or ZF68A series.

$1,500.00
Contact to Purchase
4LH(A) Gear Adapter Flange MAS GUL57 2" Mounting Flange, for 4LH to B/W 5000 Gear SAE4, required (12) bolts M10x1.5 x 60 mm
Yanmar Parts

4LH(A) Gear Adapter Flange MAS GUL57 2" Mounting Flange, for 4LH to B/W 5000 Gear SAE4, required (12) bolts M10x1.5 x 60 mm

$750.00
Contact to Purchase
YANMAR 4LH-STE / 4LH-DTE Oil cooler. This is a “Take Off” tested and serviced , engine oil cooler for Yanmar 4LH-STE/DTE. YANMAR 4LH-STE / 4LH-DTE Oil cooler. This is a “Take Off” tested and serviced , engine oil cooler for Yanmar 4LH-STE/DTE. view 2 YANMAR 4LH-STE / 4LH-DTE Oil cooler. This is a “Take Off” tested and serviced , engine oil cooler for Yanmar 4LH-STE/DTE. view 3
Yanmar Parts #719173-33700

YANMAR 4LH-STE / 4LH-DTE Oil cooler. This is a “Take Off” tested and serviced , engine oil cooler for Yanmar 4LH-STE/DTE.

$1,000.00
Contact to Purchase
6LPA-STP Fuel Injector set of 6. These are reconditioned and tested injectors for Yanmar marine 6LPSTEand 6LPA-STP. This set includes all seals , O-rings and seat injectors to install the injectors.
Yanmar Parts

6LPA-STP Fuel Injector set of 6. These are reconditioned and tested injectors for Yanmar marine 6LPSTEand 6LPA-STP. This set includes all seals , O-rings and seat injectors to install the injectors.

$1,700.00
Contact to Purchase
Used Hurth HBW10 Marine Gear with Ratio 2:1 Marine Gear, used “take off” and service. This was attached to a Kubota engine replaced with a Yanmar, gear work perfect. Used Hurth HBW10 Marine Gear with Ratio 2:1 Marine Gear, used “take off” and service. This was attached to a Kubota engine replaced with a Yanmar, gear work perfect. view 2
Other Parts

Used Hurth HBW10 Marine Gear with Ratio 2:1 Marine Gear, used “take off” and service. This was attached to a Kubota engine replaced with a Yanmar, gear work perfect.

$700.00
Contact to Purchase
YANMAR 6LYA and 6LY2 heat exchanger. This is a “take Off” pressure tested and service heat exchanger for Yanmar marine engines 6LYA(2). As of 2026 the new assembly cost $2408.00 YANMAR 6LYA and 6LY2 heat exchanger. This is a “take Off” pressure tested and service heat exchanger for Yanmar marine engines 6LYA(2). As of 2026 the new assembly cost $2408.00 view 2
Yanmar Parts #119575-44010

YANMAR 6LYA and 6LY2 heat exchanger. This is a “take Off” pressure tested and service heat exchanger for Yanmar marine engines 6LYA(2). As of 2026 the new assembly cost $2408.00

$1,500.00
Contact to Purchase
4LH(A)-STE(P) series Flywheel Housing. This is a “Take Off” in good condition to be reused. Fits all 4LH series: 4LH-TE, 4LH-THE, 4LHDTE, 4LH-STE, and all 4LHA series.
Yanmar Parts #119171-01600

4LH(A)-STE(P) series Flywheel Housing. This is a “Take Off” in good condition to be reused. Fits all 4LH series: 4LH-TE, 4LH-THE, 4LHDTE, 4LH-STE, and all 4LHA series.

$800.00
Contact to Purchase
Yanmar Injection pump for 6LP(A)-STE(P). Completely reconditioned in July 2026 by a professional injection Pump Laboratory. Complete disassembly and rebuilt, new lift pump and governor installed in the process. This pump is no longer available by Yanmar since beginning of 2026. If buyer provide a core exchange price will be $4500.00 Yanmar Injection pump for 6LP(A)-STE(P). Completely reconditioned in July 2026 by a professional injection Pump Laboratory. Complete disassembly and rebuilt, new lift pump and governor installed in the process. This pump is no longer available by Yanmar since beginning of 2026. If buyer provide a core exchange price will be $4500.00 view 2 Yanmar Injection pump for 6LP(A)-STE(P). Completely reconditioned in July 2026 by a professional injection Pump Laboratory. Complete disassembly and rebuilt, new lift pump and governor installed in the process. This pump is no longer available by Yanmar since beginning of 2026. If buyer provide a core exchange price will be $4500.00 view 3 Yanmar Injection pump for 6LP(A)-STE(P). Completely reconditioned in July 2026 by a professional injection Pump Laboratory. Complete disassembly and rebuilt, new lift pump and governor installed in the process. This pump is no longer available by Yanmar since beginning of 2026. If buyer provide a core exchange price will be $4500.00 view 4 Yanmar Injection pump for 6LP(A)-STE(P). Completely reconditioned in July 2026 by a professional injection Pump Laboratory. Complete disassembly and rebuilt, new lift pump and governor installed in the process. This pump is no longer available by Yanmar since beginning of 2026. If buyer provide a core exchange price will be $4500.00 view 5
Yanmar Parts #119775-51990

Yanmar Injection pump for 6LP(A)-STE(P). Completely reconditioned in July 2026 by a professional injection Pump Laboratory. Complete disassembly and rebuilt, new lift pump and governor installed in the process. This pump is no longer available by Yanmar since beginning of 2026. If buyer provide a core exchange price will be $4500.00

$5,000.00
Contact to Purchase
Yanmar "Take Off" Single Station Oil sender unit. This "Take Off" mean when Engines was sold NEW for a Duo station we replace the Original oil sender from Factory and install a duo station. This Mean that this oil sender never was used except for a for a Dino Test. This sender unit seles new for $153.74 . We Offer this Sender for a Discount price of $75.00 each. Apply to all following Yanmar Engines: 3JH series, 4JH series, 4LH series, 6LP series, 6LYA & 6LY2 series. Not for a new Electronic controlled Engines.
Yanmar Parts #119773-91501

Yanmar "Take Off" Single Station Oil sender unit. This "Take Off" mean when Engines was sold NEW for a Duo station we replace the Original oil sender from Factory and install a duo station. This Mean that this oil sender never was used except for a for a Dino Test. This sender unit seles new for $153.74 . We Offer this Sender for a Discount price of $75.00 each. Apply to all following Yanmar Engines: 3JH series, 4JH series, 4LH series, 6LP series, 6LYA & 6LY2 series. Not for a new Electronic controlled Engines.

$75.00
Contact to Purchase
Remanufactured Raw water pump. Yanmar Diesel 6LY-UTE(M)/STE Remanufactured Raw water pump. Yanmar Diesel 6LY-UTE(M)/STE view 2
Yanmar Parts #719593-42701

Remanufactured Raw water pump. Yanmar Diesel 6LY-UTE(M)/STE

$700.00
Contact to Purchase
YANMAR Marine 4JH4E Injection Pump 729670-51450 Remanufactured . $2,000.00 This pump was complete remanufactured in a professional injection pump shop with over 40 years in the field. The pump was tested and calibrated to follow YANMAR standards for this engine model We don’t need core , this pump sale “As is “ and buyer responsible for shipping insurance. YANMAR Marine 4JH4E Injection Pump 729670-51450 Remanufactured . $2,000.00 This pump was complete remanufactured in a professional injection pump shop with over 40 years in the field. The pump was tested and calibrated to follow YANMAR standards for this engine model We don’t need core , this pump sale “As is “ and buyer responsible for shipping insurance. view 2
Yanmar Parts #729670-51450

YANMAR Marine 4JH4E Injection Pump 729670-51450 Remanufactured . $2,000.00 This pump was complete remanufactured in a professional injection pump shop with over 40 years in the field. The pump was tested and calibrated to follow YANMAR standards for this engine model We don’t need core , this pump sale “As is “ and buyer responsible for shipping insurance.

$2,000.00
Contact to Purchase
This is a YANMAR 6LPA-STP end Cap for Air cooler – Intercooler. This is a “Take Off” part in very good Condition, cleaned and painted. This is a YANMAR 6LPA-STP end Cap for Air cooler – Intercooler. This is a “Take Off” part in very good Condition, cleaned and painted. view 2
Yanmar Parts #119773-18340

This is a YANMAR 6LPA-STP end Cap for Air cooler – Intercooler. This is a “Take Off” part in very good Condition, cleaned and painted.

$200.00
Contact to Purchase
This is a complete head bolts kit for a Yanmar Marine engine 6LP(A)STE(P) series. MDR70 These are new bolts and they include the washers. This is a complete head bolts kit for a Yanmar Marine engine 6LP(A)STE(P) series. MDR70 These are new bolts and they include the washers. view 2
Yanmar Parts #119771-70070

This is a complete head bolts kit for a Yanmar Marine engine 6LP(A)STE(P) series. MDR70 These are new bolts and they include the washers.

$190.00
Contact to Purchase
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