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Yanmar engine mounts

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Yanmar engine mounts

Why can a worn Yanmar engine mount put your transmission at risk?

Engine mounts, commonly called silent blocks, do much more than support the weight of your engine. They filter vibrations for comfort, but their main purpose is to maintain strict alignment between the engine and the propeller shaft line. DAM Marine supplies genuine Yanmar and high-quality replacement mounts to keep your installation within the correct tolerances.

Engine mount failure is often progressive. With running hours and weight, the elastomer sags and the engine drops by a few millimetres, losing alignment with the propeller shaft. This slight geometry fault quickly causes peripheral damage: the shaft loads the stern gland, which may heat up and leak, while the cutless bearing wears unevenly. Upstream, the coupling flange absorbs abnormal bending stress at every rotation, risking long-term failure. This is why, in marine mechanics, mounts must always be replaced as a complete set: a single new mount would unbalance the whole assembly.

24 item(s)

OEM YANMAR ENGINE MOUNT

RÉF. 120650-08401 | YANMAR

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€606.14 VAT included

€505.12 VAT excluded

SILENT BLOC ECU YANMAR - 120650-75450

RÉF. DM_CR_120650-75450 | YANMAR

Pièce non en stock.

Demandez le délai de réapprovisionnement et le tarif en cliquant sur le bouton « Ask for a quote ».

Un conseiller traitera votre demande dans la journée.

On demand

€29.68 VAT included

€24.73 VAT excluded

SUPPORT MOTEUR 100 - SHORE 50

RÉF. SP8004

Support moteur pour Yanmar disposant des caractéristiques suivantes :

- Longueur : 205mm

- Largeur : 60mm

- Hauteur total : 147mm

- Hauteur corps : 75mm

- Tige filetée : M16 X 1.5

- Entraxe : 173mm

- Remarque sur le caoutchouc 100

- Charge maximale 75 Kg

- Shore 50

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€91.08 VAT included

€75.90 VAT excluded

SUPPORT MOTEUR 150 - SHORE 60

RÉF. SP8005

Support moteur pour Yanmar disposant des caractéristiques suivantes :

- Longueur : 205mm

- Largeur : 60mm

- Hauteur total : 147mm

- Hauteur corps : 75mm

- Tige filetée : M16 X 1.5

- Entraxe : 173mm

- Remarque sur le caoutchouc 150

- Charge maximale 100 Kg

- Shore 60

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€91.08 VAT included

€75.90 VAT excluded

SUPPORT MOTEUR 200 - SHORE 70

RÉF. SP8006

Support moteur pour Yanmar disposant des caractéristiques suivantes :

- Longueur : 205mm

- Largeur : 60mm

- Hauteur total : 147mm

- Hauteur corps : 75mm

- Tige filetée : M16 X 1.5

- Entraxe : 173mm

- Remarque sur le caoutchouc 200

- Charge maximale 150 Kg

- Shore 70

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€91.08 VAT included

€75.90 VAT excluded

SUPPORT MOTEUR 75 - SHORE 40

RÉF. SP8003

Support moteur pour Yanmar disposant des caractéristiques suivantes :

- Longueur : 205mm

- Largeur : 60mm

- Hauteur total : 147mm

- Hauteur corps : 75mm

- Tige filetée : M16 X 1.5

- Entraxe : 173mm

- Remarque sur le caoutchouc : 75

- Charge maximale : 40 Kg

- Shore 40

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€91.08 VAT included

€75.90 VAT excluded

SUPPORT MOTEUR ARRIERE YANMAR 128377-08120

RÉF. DM_CR_128377-08120 | YANMAR

Pièce non en stock.

Demandez le délai de réapprovisionnement et le tarif en cliquant sur le bouton « Ask for a quote ».

Un conseiller traitera votre demande dans la journée.

On demand

€121.85 VAT included

€101.54 VAT excluded

SUPPORT MOTEUR ARRIERE YANMAR 128377-08130

RÉF. DM_CR_128377-08130 | YANMAR

Pièce non en stock.

Demandez le délai de réapprovisionnement et le tarif en cliquant sur le bouton « Ask for a quote ».

Un conseiller traitera votre demande dans la journée.

On demand

€136.26 VAT included

€113.55 VAT excluded

SUPPORT MOTEUR UNIVERSEL 45 - 95KG M16

RÉF. SP171609-45

Support moteur pour application universel mais notamment Volvo Penta disposant des caractéristiques suivantes :

Entraxe : 140mm

Largueur : 75mm

Hauteur totale : 50mm

Dureté : 45

Filetage : M16

Support à utiliser en complément du kit fixation SP181609.

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€79.08 VAT included

€65.90 VAT excluded

SUPPORT MOTEUR UNIVERSEL 55 - 140KG M16

RÉF. SP171609-55

Support moteur pour application universel mais notamment Volvo Penta disposant des caractéristiques suivantes :

Entraxe : 140mm

Largueur : 75mm

Hauteur totale : 50mm

Dureté : 55

Filetage : M16

Support à utiliser en complément du kit fixation SP181609.

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€79.08 VAT included

€65.90 VAT excluded

SUPPORT MOTEUR YANMAR 50

RÉF. SP18340

Support moteur arrière pour moteurs Yanmar série :

- 1GM

- 1GM10.

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€114.00 VAT included

€95.00 VAT excluded

SUPPORT MOTEUR YANMAR 70

RÉF. SP18350

Support moteur avant pour moteurs Yanmar série :

- 1GM

- 1GM10

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€114.00 VAT included

€95.00 VAT excluded

SUPPORT MOTEUR YANMAR YS

RÉF. 104271-08340 | YANMAR

Dimensions :

- Hauteur : 41.5 et 77mm

- Diamètre bas : 74mm

- Entraxe : 101mm

- Axe : 12mm

SHORE 60

Pièce non en stock.

Demandez le délai de réapprovisionnement et le tarif en cliquant sur le bouton « Ask for a quote ».

Un conseiller traitera votre demande dans la journée.

On demand

€94.84 VAT included

€79.03 VAT excluded

YANMAR 100 ENGINE SUPPORT

RÉF. 124770-08340 | YANMAR

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€189.68 VAT included

€158.07 VAT excluded

YANMAR 300 OEM ENGINE MOUNT

RÉF. SP8007 | YANMAR

Engine mount for Yanmar with the following features:

- Length: 205mm

- Width: 60mm

- Total height: 147mm

- Body height: 75mm

- Threaded rod: M16 X 1.5

- Center distance: 173mm

- Note on rubber: 300

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€182.29 VAT included

€151.91 VAT excluded

YANMAR 300KG OEM ENGINE SUPPORT - 4LH-STE

RÉF. SP8008 | YANMAR

300 engine mount for Yanmar 4LH-STE.

Sold individually.

Livraison express → Tuesday 25 August

Livraison classique → Thursday 27 August

Commandez dans les

00 h 00 m 00 s

Disponible

€433.66 VAT included

€361.38 VAT excluded

24 item(s)

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Devis gratuit

Frequently asked questions

How often should Yanmar engine mounts be replaced?

There is no universal replacement interval. Wear depends on your operating hours, the temperature inside the engine compartment and possible exposure to oil or grease. A visual inspection during the annual service and an alignment check when the boat is hauled out are considered best practice. Bear in mind that rubber can also oxidize and harden on a vessel that remains docked for long periods.

Is it possible to replace only the defective mount?

Technically, yes, but professionals strongly advise against it. The other mounts are the same age and have been exposed to the same vibrations. They are likely to sag in the near future, forcing you to repeat the removal and alignment work. The cost of a complete set is largely offset by the time saved and the improved reliability.

How do you identify the right reference for your Yanmar engine?

Ordering four identical mounts at random is the most common mistake. Identification relies on three inseparable criteria. First, refer to the exact model and serial number shown on your engine plate. Then, it is crucial to distinguish front and rear positions: because of the gearbox weight, the load is almost never distributed evenly, requiring mounts with different resistance depending on their location. Finally, the rubber hardness, or Shore rating, is specifically calculated by Yanmar to absorb the frequencies of your engine: too soft, and the engine will move dangerously; too hard, and the hull will vibrate.

Which visual signs show an engine mount is at the end of its life?

Inspection is easy by sight and touch, with the engine cold and stopped. Plan a replacement if:

The rubber is degraded: deep cracking, splits, or separation from the metal plate.
Sagging is visible: when comparing the four threaded rods, a clear height difference indicates compression.
The elastomer is contaminated: a silent block soaked in oil or diesel is condemned, because hydrocarbons soften the material. Treat the leak before fitting new parts.
Vibrations increase: unusual resonance at your normal cruising rpm is often the first warning sign.

Why is realignment the crucial installation step?

Replacing mounts without carefully redoing the alignment is pointless. New parts will naturally raise the engine compared with the old sagged mounts.

Record the initial setting: mark the nut positions before removal to rough in the adjustment.
Check with feeler gauges: measure the gap between the two coupling half-flanges on several axes to ensure perfect parallelism.
Finalize with the boat afloat: a hull resting ashore on stands always deforms slightly. Final alignment tightening is done afloat, with the boat normally loaded.
Bedding-in: recheck alignment and the stern gland after around fifty hours of cruising, once the new rubber has settled slightly.

Oil circuit

Upper Engine

Lower Engine

Exhaust

Electrical parts

Power steering and Steering

Yanmar engine mounts

Why can a worn Yanmar engine mount put your transmission at risk?

24 item(s)

OEM YANMAR ENGINE MOUNT

SILENT BLOC ECU YANMAR - 120650-75450

SUPPORT MOTEUR 100 - SHORE 50

SUPPORT MOTEUR 150 - SHORE 60

SUPPORT MOTEUR 200 - SHORE 70

SUPPORT MOTEUR 75 - SHORE 40

SUPPORT MOTEUR ARRIERE YANMAR 128377-08120

SUPPORT MOTEUR ARRIERE YANMAR 128377-08130

SUPPORT MOTEUR UNIVERSEL 45 - 95KG M16

SUPPORT MOTEUR UNIVERSEL 55 - 140KG M16

SUPPORT MOTEUR YANMAR 50

SUPPORT MOTEUR YANMAR 70

SUPPORT MOTEUR YANMAR YS

YANMAR 100 ENGINE SUPPORT

YANMAR 300 OEM ENGINE MOUNT

YANMAR 300KG OEM ENGINE SUPPORT - 4LH-STE

Frequently asked questions

How often should Yanmar engine mounts be replaced?

Is it possible to replace only the defective mount?

How do you identify the right reference for your Yanmar engine?

Which visual signs show an engine mount is at the end of its life?

Why is realignment the crucial installation step?