Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Crusader Marine Engine Parts

Crusader Marine Engine Parts

Reliable Crusader Marine Engine Parts for Your Vessel Keeping your boat on...

Crusader Marine Engine Parts

Your cart

Loading...

Order special instructions

Order special instructions

Estimated total

$0.00 USD

Taxes, discounts and shipping calculated at checkout. By clicking "Check out," you agree to our store's Terms of Service, Refund Policy, and Privacy Policy.

Minimum Order of $10 Required for Checkout

SHOP
- Anchoring
  
  Anchors
- Boat & Engine Maintenance
  
  Adhesives & Sealants
  Anodes & Corrosion Prevention
  Cleaners
  Cleaning Supplies
  Chemicals
  Engine Oil
  Fuel Filters
  Fuel Treatment
  Oil Filters
  Oil Change Pumps
  Tune Up Kits
  Spark Plugs
  Touch Up Paint
  Transom Service Kits
  Gear Lube
  Gear Lube Pumps & Fittings
  Trim - Tilt Fluid
  Motor Flushers
  Winterization
- Drive Systems
  
  Sterndrive Parts
  Inboard Transmissions
  Transmission Service Parts
- Engine Controls & Control Cables
  
  Control Cable Connectors & Fittings
  Electronic Controls
  Engine Control Cables
  Mechanical Engine Controls
- Inboard & I/O Engine
  
  Air Filters & Flame Arrestors
  Bell Housing Components
  Belts & Tensioners
  Cooling Systems
  Electrical Systems
  Engine Gaskets
  Engine Mounts
  Exhaust Systems
  Fuel Systems
  Ignition Systems
  Oil & Lube System Components
  Power Steering Pumps
- Outboard Engine Parts
  
  Outboard Maintenance Kits
  Ignition Systems
  Electrical Systems
  Engine Base Gaskets
  Fuel Systems
  Cooling Systems
  Oil Filters
  Head Gaskets
  Gearcase Components
  Touch Up Paint
  Trim System Components
- Marine Exhaust Systems
  
  Exhaust Air Vents
  Exhaust Connectors
  Exhaust Elbows
  Exhaust Flappers
  Exhaust Heat Shield
  Exhaust Hose
  Exhaust Manifolds
  Marine Mufflers
  Thru Hulls
  Water Shutters
- Marine Fuel Systems
  
  Anti-Siphon Fittings
  Carburetor Base Kits
  Flame Arrestors
  Fuel Additives & Cleaners
  Fuel Anti-Theft
  Fuel Control Cells
  Fuel Fills Deck
  Fuel Fittings
  Fuel Pressure Regulators
  Fuel Valves
  Fuel Tank Pickups
  Fuel Tank Sending Units
  Fuel Tank Vents
  Intake Manifolds
  Intake Manifold Gaskets
  Marine Carburetors
  Marine Carburetor Kits
  Marine Fuel Filters
  Marine Fuel Injectors
  Marine Fuel Hose
  Marine Fuel Tanks
  Marine Inboard Fuel Pumps
  Outboard Fuel Lines
  Primer Bulbs
- Marine Hose
- Marine Ignition Systems
  
  Ignition Switches
  Distributors
  Distributor Caps
  Rotors
  Condensers
  Marine Engine Tune-Up Kits
  Spark Plug Wires
  Marine Ignition Coils
  Electronic Ignition Conversion Kits
  Points
  Distributor Modules & Sensors
  Ballast Resistors
  Spark Plugs
  Outboard Ignition Packs
  Shift Assist Modules
  Stator Coils
  Switch Boxes
- Marine Pumps & Impellers
  
  Aerator - Livewell Pumps
  Air Conditioning Circulating Pumps
  Ballast Pumps
  Bilge Pumps
  Circulating Pumps - Engine
  Impellers
  Impeller Pullers
  Multipurpose DC Driven Pumps
  Oil Change Pumps
  Raw Water Pumps
  Shower Drain Pumps
  Sump Pumps
  Toilet Suppy Pumps
  Waste Pumps
  Water Pump Kits
  Water Pressure System Pumps
  Washdown Pumps
  Vacuum Toilet Pumps
- Steering & Maneuvering
  
  Mechanical Steering Systems
  Hydraulic Steering Systems
  Steering Wheels
  Trim Tab Systems
- Boat Propellers
  
  Turning Point Propellers
  Piranha Propellers
  Quicksilver Propellers
  Solas Propellers
Piranha Propellers
- Propeller Application Guide
  
  Evinrude
  Force
  Honda
  Johnson
  Mercury
  Mercruiser
  Mariner
  Suzuki
  Yamaha
- Piranha Complete Propellers
- Piranha Propulsion Kits
- Piranha Performance Kits
- Piranha Blade Replacements
  
  A Series 3 Blade Replacement Blades
  A Series 4 Blade Replacement Blades
  B Series 3 Blade Replacement Blades
  B Series 4 Blade Replacement Blades
  C Series 3 Blade Replacement Blades
  D & E Series 3 Blade Replacement Blades
- Piranha Blade Exchange
- Piranha Rear Caps
Sterndrive Engineering
Parts Diagrams
Parts By Brand
Email Us
News

X (Twitter)
Facebook
Pinterest
Instagram

SHOP
Piranha Propellers
Sterndrive Engineering
Parts Diagrams
Parts By Brand
Email Us
News

Search

Account Log in

Search

Home Sierra Marine Parts Sierra O Ring 18-7163

Skip to product information

1 / of 1

Sierra

No reviews

Sierra O Ring 18-7163

Sierra O Ring 18-7163

Out of stock

Quantity Quantity

(0 in cart)

SIERRA O Ring 18-7163

View full details

Sierra O Ring 18-7163

Customer Reviews

Be the first to write a review

0%

(0)

0%

(0)

0%

(0)

0%

(0)

0%

(0)

Contact Details

About Us
Email Us
Special Order Request

Terms & Policies

Terms of Service
Privacy Policy
Shipping Policy
Refund Policy

Reference / Parts Diagrams

Crusader Illustrated Part Diagrams
Johnson/Evinrude Parts Diagrams
Mercury/Mercruiser Parts Diagrams
Yamaha OB Parts Diagrams
Yamaha Outboard Model Code Reference
Volvo Penta Parts Diagrams
Onan Manuals
Piranha Prop Finder
Determining Engine & Starter Rotation

Subscribe to our emails

Email

Facebook
Instagram
X (Twitter)
Pinterest

Payment methods

© 2026, MacombMarineParts.com

Refund policy
Privacy policy
Terms of service
Shipping policy
Contact information
Legal notice

Choosing a selection results in a full page refresh.
Opens in a new window.