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Free Shipping On All Allison 18 1/2 XST Boat Covers! Hurry! Limited Time Offer. Available in continental U.S. only. UPS Ground shipping only.
Verify the boat style & length most similar to your Allison 18 1/2 XST:
Angled Transom Bass Boats Style Covers
Angled Transom Bass Boats
Fits:
  • Fishing boats with square or semi-square bows
  • Tri-hull bass boats
  • Modified bass boats
Accommodates:
  • Fishing seats
  • Trolling motors
  • Windscreens
Conventional Bass Boat Style Covers
Conventional Bass Boat
Fits:
  • Fishing boats with square or semi-square bows
  • Tri-hull bass boats
  • Modified bass boats
Accommodates:
  • Fishing seats
  • Trolling motors
  • Windscreens
Pro Bass Boat Style Covers
Pro Bass Boat
Fits:
  • V-hull or semi-V style pro bass boats with single or twin consoles
Accommodates:
  • Fishing seats
  • Trolling motors
  • Windscreens
  • Windshields
YouFit™ - You identify the boat style & cover length that works for your boat model lisited above. « Back To Top

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About Your Boat
Make: Allison
Model: 18 1/2 XST
Years: All
Beam: 6' 5"
Length: 18' 7"
Style: Please choose
Free Shipping On All Boat Covers!

Hurry! Limited Time Offer.

Available in continental U.S.

UPS Ground shipping only.
Why Buy From Us?

Largest collection of patterns anywhere.


Many colors and fabrics to choose from. Free fabric samples upon request.


1 to 5 year Warranties

Call us at 1-800-589-0599

Other Features:

Built to last.

Trailerable Options Available

Everyday low prices

Free shipping

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Plus Look For The Cool Comfort Winterization Sale!

It's not too early to start preparing your boat and dock for winter.

SAVE NOW!
$5 Off Every $50 Order
Use promo code EOSAVE5

Sale Details: Save $5 Off every $50 you spend, including already marked down sale items. Excludes electronics, inflatable boats, trolling motors, and outboard engines. At checkout enter promo code EOSAVE5 to receive the discount. Offers cannot be applied to previous purchases or combined with other offers. Promo codes limited to U.S. and Canadian customers only. Only one code allowed per order. We reserve the right to modify, change, correct typographical errors, or discontinue all or parts of this sale without any prior notice.