Sierra® Thermostat Kit for Mercruiser® 4.3 - 5.7L Engines, 2002 - 2007

Item # WX2-167151

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Non-Member $34.99 Buyer's Club $31.49
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Sierra® Thermostat Kit for Mercruiser® 4.3 - 5.7L Engines, 2002 - 2007.

Proper thermostat operation is key in getting peak performance and maximum fuel efficiency!

This marine-grade Kit will withstand the rigors of "ugly" brackish and saltwater. Sierra® Thermostat Kit (part no. 18-3647) replaces O.E.M. thermostat kit no. 807252Q5.

Kit contains:
  • Thermostat (part no. 18-3649)- replaces O.E.M. part no. 807252-2
  • Thermostat Cover Gasket (part no. 18-2844)- replaces O.E.M. part no. 27-48818-1
  • Thermostat Cover Gasket (part no. 18-2552)-replaces O.E.M. part no. 27-33179-2
  • Thermostat Cover Gasket (part no. 18-2553)- replaces O.E.M. part no. 27-47510
  • O Ring (part no. 18-7173)- replaces O.E.M. part no. 27-30224
  • Thermostat Housing Gasket (part no. 18-2917)- replaces O.E.M. 27-53045-1, 27-33918.


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Sierra® Thermostat Kit for Mercruiser® Ford® V8 225, 233, and 255 HP Engines, 1973 - 1977

Item # WX2-167156

Non-Member $20.99 Buyer's Club $18.89

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Sierra® Thermostat Kit for Mercruiser® Ford® V8 225, 233, and 255 HP Engines, 1973 - 1977.

Proper thermostat operation is key in getting peak engine performance and maximum fuel efficiency!

This marine-grade Kit will withstand the rigors of "ugly" brackish and saltwater. Sierra® Thermostat Kit (part no. 18-3651) replaces your original thermostat (O.E.M. 807252Q3).

Kit contains:
  • Thermostat (part no. 18-3551)- replaces O.E.M. part no. 59137
  • Thermostat Cover Gasket (part no. 18-2554)- replaces O.E.M. part no. 27-90556
  • Thermostat Cover Gasket (part no. 18-2553)-replaces O.E.M. part no. 27-47510
  • Thermostat Cover Gasket (part no. 18-2834)- replaces O.E.M. part no. 27-60208
  • Thermostat Cover Gasket (part no. 18-2844)-replaces O.E.M. part no. 27-48818-1.

Order up top-quality replacement parts for bottom dollar ONLINE today!

V8 225, 233, and 255 HP Engines, 1973-1977

Sierra® Mallory® Tune - up Kit for V8 Single Point Top Terminal Engine

Item # WX2-165580

Non-Member $48.99 Buyer's Club $44.09

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Sierra® Mallory® Tune - up Kit for V8 Single Point Top Terminal Engines... for use with Crusader® and Mercruiser® engines.

Get your boat in ship-shape with top-notch replacement parts for bottom dollar! Connections corrode over time, leading to poor performance.

A simple Tune-up Kit like this can make a BIG improvement in how your boat feels on the water.

For engines:
  • Crusader® 170, 220, 225, 275, 283, 327, and 348 HP 1961-1969
  • Crusader 305, 350, and 454 HP 1983-1987
  • Mercruiser® 215 and 225 HP Ford® MCM / MIE 1970-1974
  • Mercruiser 888 and 188 HP Ford MCM 1971-1982
  • Mercruiser 5.7L Ski 1985-1995
  • Mercruiser 330 HP MCM and MCI 1977-1981.
Kit includes:
  • Contact set - replaces O.E.M. part #391-5090
  • Condenser - replaces O.E.M. part #391-5092
  • Rotor - replaces O.E.M. part # 391-7057, 291-5088.
  • Distributor cap - replaces O.E.M. part #391-5075.


Sierra® Mercruiser Alternator 18 - 5960

Item # WX2-167559

Non-Member $285.99 Buyer's Club $257.39

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Sierra® Mercruiser Alternator 18 - 5960.

Is your voltage running a little low? Simply need a new alternator? This baby is your answer! Get your top-end boat part replacements at The Guide!

Fits these engine types:
  • 262 Mag EFI V6, 1996-97
  • 4.3L EFI V6, 1998-UP
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  • 5.7L / LX / EFI V8, 1997
  • 5.7L EFI V8, 1988-UP
  • 5.7L EFI / MIE, 1997
  • 350 Mag EFI and MPI, 1997-UP
  • 350 Mag MPI MIE, 1998-UP
  • 350 Mag MPI SKI, 1998-UP
  • Black Scorpion, 1997-UP
  • 7.4L MPI, 1998-UP
  • 7.4L MPI MIE, 1998-UP
  • 454 Mag MPI, 1998-UP
  • 454 Mag MPI MIE, 1998-UP
  • 502 Mag MPI, 1998-UP.

Order yours ONLINE now!


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