Mariah Boats 18 Diablo Boat Covers
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Custom Fit Boat Covers
Custom covers are patterned and tailored for the specific make and model of boat
Westland Custom Covers
Made in 10 Business Days or less
- Made for: Mariah Boats Diablo 18 Bowrider I/O
- Made for years: (1991 - 1993)
Mariah Diablo 18 Bowrider I/O 1991-1993 Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- Price
- $414.83
- $557.88
- $852.75
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Fits Sterndrive Engine models
- Made for: Mariah Boats Diablo 18 Bowrider O/B (O/B Hood Not Included)
- Made for years: (1993 - 1994)
Mariah Diablo 18 Bowrider O/B (O/B Hood Not Included) 1993-1994 Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- Price
- $451.43
- $584.37
- $866.17
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Fits Outboard Motor models
Semi-Custom Fit Boat Covers
Semi-Custom covers are made by boat style to fit a variety of models
Westland Semi-Custom Covers
Made in 10 Business Days or less
- Fits: Euro Style V-Hull Runabout Boat 18' I/O
- Fits years: (1991 - 1993)
Mariah 18 Diablo 1991-1993 Semi-Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- Price
- $305.27
- $395.48
- $595.15
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Fits Sterndrive Engine models
- Fits: Conventional V-Hull Runabout Boat 18' I/O
- Fits years: (1991 - 1993)
Mariah 18 Diablo 1991-1993 Semi-Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- Price
- $309.67
- $445.17
- $601.72
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Fits Sterndrive Engine models
- Fits: Euro Style V-Hull Runabout Boat 18' O/B O/B Motor Hood Not Included
- Fits years: (1993 - 1994)
Mariah 18 Diablo 1993-1994 Semi-Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- Price
- $311.18
- $380.72
- $573.10
Choose Cover
Fits Outboard Motor models
- Fits: Conventional V-Hull Runabout Boat 18' O/B O/B Motor Hood Not Included
- Fits years: (1993 - 1994)
Mariah 18 Diablo 1993-1994 Semi-Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- Price
- $310.08
- $436.97
- $704.95
Choose Cover
Fits Outboard Motor models
- Material: 100% polyester
- Weight: 6.5 oz. polyester, 450 denier
- Warranty: 5 year limited warranty
- Material: 100% polyester
- Weight: Solution-dyed polyester, 600 denier
- Warranty: 7 year limited warranty
- Material: 100% acrylic
- Weight: 9.25 oz. marine acrylic
- Warranty: 10 year limited warranty
Custom Covers vs. Semi-Custom Covers
- Custom Boat Covers are patterned and tailored for the specific make, model, and year of the boat.
- Semi-Custom Boat Covers are made by boat style to fit a variety of models.
Engine Type & Boat Covers
- Outboard (O/B) - Removable engine mounted to the transom of the boat.
- Sterndrive or Inboard/Outdrive (I/O) - Permanent engine mounted on stern of boat with portion of engine (the outdrive) in the water.
- Inboard (I/B) - Permanent engine mounted in the center or stern of boat with only the propeller shaft exposed to water. Inboards should use the I/O cover.
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