• T-H MARINE DP-1-DP T-H Marine Drain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks
  • T-H MARINE DP-1-DP T-H Marine Drain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks
  • T-H MARINE DP-1-DP T-H Marine Drain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks
  • T-H MARINE DP-1-DP T-H Marine Drain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks
  • T-H MARINE DP-1-DP T-H Marine Drain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks
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T-H MARINE

T-H Marine Drain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks

T-H Marine Drain Plug - Self-Retaining Screw-Type Boat Drain Plug - Fits 1 in Hole - Polypropylene with O-Ring Seal - Vibration Resistant - Ideal for Transoms, Wells, Coolers, and Tanks

T9TDP1DP

$24.99
$24.99
Sale Sold out
Shipping calculated at checkout.

In stock
  • Genuine brand-name parts
  • Ships from US warehouse
  • 30-day returns
  • Self-retaining design – Plug stays attached to prevent loss or accidental drops during use.
  • Threaded seal with O-ring – Chemically inert O-ring and tight threads provide leak-free performance under vibration.
  • Installs in standard 1 in hole – Secures with two No. 8 countersunk stainless steel screws (not included).
  • Waterproof flange design – Built-in sealant groove ensures positive waterproof mounting.
  • Rugged marine-grade construction – Made from polypropylene for durability and corrosion resistance.
  • Versatile application – Ideal for transoms, livewells, bait tanks, coolers, water tanks, and more.
Brand T-H MARINE
Manufacturer part number DP-1-DP
UPC / GTIN 733572018400
Weight 0.06 lb
Dimensions (L × W × H) 8 × 6 × 4 in
Category Marine & Boating
Condition New — genuine brand-name product
Genuine brand-name product, full manufacturer warranty. Ships from the closest US warehouse — normally within 1–3 business days. Questions before you order? Send us the manufacturer part number above and we’ll confirm. 30-day returns on unused items.

Shipping & delivery

Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.

Returns & warranty

Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.

Fitment & part numbers

Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.

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