Lower unit / gearcase for boat engines

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Lower unit / gearcase for boat engines

Explore our lower units (gearcases) for boat engines. The lower unit houses the propeller shaft, bevel gears, bearings and seals in the bottom part of the drive.

The role of the lower unit

The lower unit transfers torque from the driveshaft to the propeller, provides the correct gear ratio and operates fully immersed in water. It must offer excellent sealing and lubrication to withstand high loads.

A healthy gearcase is essential for reliable propulsion and trouble-free operation on the water.

When to replace a lower unit

Cracked housings, bent shafts, damaged gears, noisy bearings, repeated oil leaks or heavy corrosion are strong signals that a replacement lower unit should be considered.

A new or remanufactured gearcase restores correct alignment, clean gear mesh and proper sealing to secure your outboard or sterndrive.

Lower units selected by DAM Marine

As a specialist in marine drive systems, DAM Marine supplies lower units compatible with many VOLVO, SUZUKI, MERCURY, HONDA and MERCRUISER engines.

By choosing your boat lower unit from DAM Marine, you get marine-grade components designed for torque, immersion and saltwater use.

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Drain plug gasket for marine engine and drive

Lower unit gasket and seal kit

Propeller shaft for marine gearcase

Gear kits for inboard sterndrive units

Complete lower unit / gearcase for boat...

Diabolo rubber mounts for marine use

92 item(s)

VOLVO SX - DP-S BASE GASKET KIT

RÉF. 39631 | EMP

Reassembly gasket kit for SX - DP-S base on plate.

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€5.40 VAT included

€4.50 VAT excluded

MERCRUISER ALPHA G1 BASE LOWER GASKET KIT

RÉF. 25441 | EMP

Seal kit including all the seals for the lower Mercruiser Alpha one generation 1 base.

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€66.00 VAT included

€55.00 VAT excluded

VOLVO SX-M DP-SM DP-G BASE DRAIN SEAL KIT

RÉF. 23026 | SLP

Drain gasket kit for Volvo Penta drive types:

SX-C, SX-R, SX-S, SX-M

DP-G

DP-SM

DPX-A

XDP

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€6.90 VAT included

€5.75 VAT excluded

MERCRUISER BRAVO I-II-III LOWER BASE GASKET KIT

RÉF. 87570 | EMP

Complete gasket kit for the lower part of the Mercruiser Bravo drive unit, all generations.

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

(1 review)

€102.00 VAT included

€85.00 VAT excluded

VOLVO DPH-DPR DRAIN SEAL

RÉF. 889455 | SLP

Drain gasket for Volvo DPH base.

Gasket included in gasket kit 23061.

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€3.72 VAT included

€3.10 VAT excluded

LOWER BASE GASKET KIT VOLVO DUOPROP 280 - 290 - DP

RÉF. 19267 | SLP

Complete gasket kit for the lower Volvo Penta Duoprop drive types:

280DP

290DP

DP-A

DP-A1

DP-A2

DP-B

DP-B1

DP-C1

DP-D

DP-D1

DP-E

DP-G

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€108.00 VAT included

€90.00 VAT excluded

KIT JOINTS BAS EMBASE VOLVO DPH-DPR

RÉF. DSK311 | SLP

Kit joints complet pour le bas d'embase Volvo Penta de types :

- DPH-A

- DPH-C

- DPR-A

- DPR-B

- DPR-C

Kit incluant 4 joints spi et non 5 tels que dans le kit 23018

SLP fournis le seul produit correct du marché.

Kit incluant :

- DH527

- DH4526

- 889455

- 925260

- 19080

- PB831

- PB3082

- PB3083

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€144.00 VAT included

€120.00 VAT excluded

VOLVO DPH-DPR BASE DRAIN SEAL KIT

RÉF. 23061 | SLP

Drain gasket kit for Volvo Penta drive types:

DPH-A, DPH-B, DPH-C, DPH-D, DPH-D1, DPH-E

DPI-A

DPR-A, DPR-B, DPR-C

Kit including:

- 889455

- 949656

- 955972

- 964114

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€8.75 VAT included

€7.29 VAT excluded

VOLVO DP-S BASE LOWER GASKET KIT - SM 3856002

RÉF. 23002 | ORBITRADE

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€78.00 VAT included

€65.00 VAT excluded

VOLVO SX BASE LOWER GASKET KIT - 3855275

RÉF. 87750 | ORBITRADE

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€66.00 VAT included

€55.00 VAT excluded

VOLVO BASE DRAIN SEAL KIT

RÉF. 22067 | ORBITRADE

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€7.80 VAT included

€6.50 VAT excluded

VOLVO 200 BASE LOWER GASKET KIT - SP

RÉF. 19010

Complete gasket kit for the bottom of the Volvo Penta non-Duoprop base of types:

AQ200

AQ250

AQ270

AQ270T

AQ275

AQ275A

AQ280

AQ280T

AQ285A

AQ290

AQ290A

SPA

SP-A/MT

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€42.00 VAT included

€35.00 VAT excluded

YANMAR 16MM DRAIN SEAL

RÉF. 22190-160003 | YANMAR

Drain seal diameter 16mm.

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€2.17 VAT included

€1.81 VAT excluded

VOLVO SX-A DPS-A BASE DRAIN GASKET KIT

RÉF. 23062 | ORBITRADE

Drain gasket kit for Volvo Penta drive types:

DPS-A

DPS-B

FWD

SX-A

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

(1 review)

€7.20 VAT included

€6.00 VAT excluded

MERCRUISER TR/TRS BASE GASKET KIT

RÉF. 87580 | GLM

Gasket kit for coupling Mercruiser TR and TRS bases to the plate.

Kit including intermediate plate oil seals.

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€60.00 VAT included

€50.00 VAT excluded

VOLVO SP PROPELLER SHAFT GASKET KIT

RÉF. 22086 | SLP

Complete propeller shaft seal kit for Volvo Penta single propeller outdrive.

Volvo Penta App:

250

270, AQ270T

275, AQ275A

280, AQ280T

285A

290, AQ290A

SP-A, SP-A/MT, SP-A1, SP-A2

SP-C, SP-C1

Livraison express → Tuesday 02 June

Livraison classique → Thursday 04 June

Commandez dans les

00 h 00 m 00 s

Disponible

€22.90 VAT included

€19.08 VAT excluded

92 item(s)

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Devis gratuit

Oil circuit

Upper Engine

Lower Engine

Exhaust

Electrical parts

Power steering and Steering

Lower unit / gearcase for boat engines

The role of the lower unit

When to replace a lower unit

Lower units selected by DAM Marine

92 item(s)

VOLVO SX - DP-S BASE GASKET KIT

MERCRUISER ALPHA G1 BASE LOWER GASKET KIT

VOLVO SX-M DP-SM DP-G BASE DRAIN SEAL KIT

MERCRUISER BRAVO I-II-III LOWER BASE GASKET KIT

VOLVO DPH-DPR DRAIN SEAL

LOWER BASE GASKET KIT VOLVO DUOPROP 280 - 290 - DP

KIT JOINTS BAS EMBASE VOLVO DPH-DPR

VOLVO DPH-DPR BASE DRAIN SEAL KIT

VOLVO DP-S BASE LOWER GASKET KIT - SM 3856002

VOLVO SX BASE LOWER GASKET KIT - 3855275

VOLVO BASE DRAIN SEAL KIT

VOLVO 200 BASE LOWER GASKET KIT - SP

YANMAR 16MM DRAIN SEAL

VOLVO SX-A DPS-A BASE DRAIN GASKET KIT

MERCRUISER TR/TRS BASE GASKET KIT

VOLVO SP PROPELLER SHAFT GASKET KIT