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Universal M-25XP marine engine

Universal M-25XP

1997–201023 HP3-cylinderdiesel
Dieselheat exchanger cooledinboard

Upgraded M-25. Most popular Atomic 4 diesel replacement.

Specifications

Power23 HP @ 3,200 RPMCylinders3
Displacement930 cc (56.8 ci)Bore x Stroke76 x 69 mm
Fuel TypeDieselAspirationNaturally Aspirated
CoolingHeat exchangerDriveInboard
Weight134 kg (296 lb)Fuel Use4.31 L/hr

Parts for the Universal M-25XP

12 catalogued parts. Prices are reference figures; each “Find on Amazon” link opens a search for that part — confirm fitment against your engine's serial before ordering.

Cooling System (3)
  • Impeller Kit
    $73.10
    Buy onAmazon
  • Thermostat 160F (Thermostat 1600) for Universal M-25/M-25XP
    fits: 301358
    SearchAmazon
  • Oberdorfer raw water pump (sea water pump) for Universal M-25/M-25XP
    fits: Oberdorfer N202M-15
    Buy onAmazon
Fuel System (3)
  • Fuel Filter
    fits: Universal M-35B, M-50B, M-15, M3-20, M-12, M-18, M-20, M-25, M-25XP, M-35, M3-20B, M4-30,
    $37.40
    Buy onAmazon
  • Fuel Lift Pump Filter
    fits: Universal M-12, M-18, M-20, M-25, M-25XP, M-30, M-35, M-40, M4-30, M-50, M2-12, M3-20, M3-
    $20.40
    Buy onAmazon
  • Air Filter
    fits: Universal M-35B, M-50B
    $17.00
    SearchAmazon
Lubrication (1)
  • Oil Filter
    fits: Universal M-25 XPB, M-35B, M3-20, M-12, M-18, M-25, M-25XP, M-35, M3-20B, M4-30, M2-12, M-
    $18.20
    Buy onAmazon
Belts (1)
Anodes (1)
  • Zinc 3/8NPT x 1 ?
    fits: Universal M3-20, M3-20B, M4-30, M-25, M-25XP, M-35, M-40
    $25.40
    SearchAmazon
Electrical (1)
  • Glowplug
    fits: Universal M3-20, M4-30, M-12, M-18, M-20, M-25, M-25XP, M-30, M-35, M2-12
    $73.40
    eBay· $17.97
Service Kits (2)

Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.

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