1-1/8 inch 90 degree Thru-Hull Fittings

SKU: TH-1290-DP
$13.99

T-H Marine is the leading plastic thru-hull supplier in the U.S.A., known for high-quality fittings preferred by OEM boat builders. These fittings offer exceptional durability and UV stabilization, ensuring long-lasting performance.

  • Standard 90-degree fittings feature a unique finished head and a pass-around nut for ease of installation.
  • Dual nut thru-hulls allow for various mounting thicknesses and enable topside installation.
  • Spaner head thru-hulls provide accessibility for hard-to-reach applications with a finished head nut for tightening.

Features

T-H Marine - #1 Plastic Thru-Hull Supplier in the U.S.A.

Our molded Thru-Hull fittings are used by more OEM boat builders than any other brand.

All T-H Marine Thru-Hull Fittings are made of the highest quality virgin material to ensure consistent size, extra durability and attractive appearance. All materials are UV stabilized to provide longevity. T-H Marine has worked with major hose manufacturers to guarantee that our hose barbs have the exact specifications to fit hose securely so that your installations will be trouble free.

  • STANDARD 90 DEGREE THRU-HULLS- Our standard 90 degree fittings feature a unique finished head and a pass-around nut for easier and more attractive installation, an innovation that T-H Marine developed.
  • DUAL NUT THRU-HULLS (TH-90 / TH-92)- Traditional two nut 90 degree fittings. Allows for variety of mounting thicknesses. May be used where installtion must be done from the topside with a traditional nut.
  • SPANER HEAD THRU-HULLS, 3/4" and 111/8" (TH-7590S, TH-1290S)- For those hard to reach applications that may or may not require low clearance. This spaner head thru-hull allows for installation and tightening from the top with a finished head nut.
OEM/ Bulk Product Name Packaged
TH-1290 Thru Hull - 90 Deg, - 1 1/8" Hose - Black TH-1290-DP
TH-1292 Thru Hull - 90 Deg. - 1 1/8" Hose - White TH-1292-DP
TH-1890 Thru Hull - 90 Deg. - 1 1/8" Hose - SHORT - Black DISCONTINUED TH-1890-DP
TH-1892 Thru Hull - 90 Deg. - 1 1/8" Hose - SHORT - White TH-1892-DP
TH-1890CP Thru Hull Short - 90 Degree - 1-1/8" Hose - Chrome Plated TH-1890CP-DP
TH-1290S Thru-Hull - 90 Deg. - Spaner Head - 1 1/8" Hose - Black TH-1290S-DP
TH-1292S Thru-Hull - 90 Deg. - Spaner Head - 1 1/8" Hose - White TH-1292S-DP
TH-1892-Ba Thru Hull - 90 Degree - 1 1/8" Hose - SHORT - White - One Nut TH-1892-DP
TH-1890CPa Thru Hull - 90 Deg. - 1-1/8" Hose - SHORT - Chrome Plated TH-1890CP-DP
TH-1890CPb Thru Hull - 90 Degree - 1-1/8" Hose - SHORT - Chrome Plated TH-1890CP-DP
TH-1890-Ba Thru Hull - 90 Degree - 1 1/8" Hose - SHORT - Black - One Nut TH-1890-DP

Standard Pack:
OEM - Bulk 50/Box

Distributor Packaged - 12/Box

Specs

Black Part # White Part # Chrome Part # A B C D (hose) E
TH-1290 TH-1292 TH-1290CP 1-3/4" 3-1/2" 1-1/8" 1-1/8" 1-3/8"
TH-1890 TH-1892 TH-1890CP 1-3/4" 2-1/4" 3/4" 1-1/8" 1-3/8"
TH-1290S TH-1292S N/A 2-3/8" 3-1/4" 7/8" 1-1/8" 1-3/8"

Customer Reviews

Based on 9 reviews
89%
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11%
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J
Joe T.

It was just what i ordered.

B
Ben A.
Perfect replacement

Good quality and was an exact replacement for the aged and deteriorated fitting that was removed.

M
Malcolm W.
did not fit my application

the threaded portion before the bend was not long enough for my installation

C
Craig S.
90° Through Hull.

Excellent product for the $.

C
Charles S.
perfect for whitewater canoe

This was perfect for setting up a thru-hull spout for a bilge pump (Tsunami 1200) in my royalex whitewater canoe. Drill a 1 3/8" hole in the hull, install this fitting, run a 1" hose to it, and hit the water!

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