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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

SKU:T9TDP1DP

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

In stock

Quantity
  • Free shipping on $70+
  • Ships from US warehouse
  • 30-day returns

The T-H Marine DP-1-DP is a drain plug.

Key features

  • 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.

Specifications

Brand T-H Marine
Manufacturer part number DP-1-DP
Part type Plug Stopper
UPC / GTIN 733572018400
Weight 0.06 lb
Dimensions (L × W × H) 8 × 6 × 4 in
Category Marine & Boating
Condition New
Returns 30-day returns on unused items
Also searched as DP 1 DP, DP1DP

Questions

What does shipping cost?

Standard shipping is free on orders of $70 or more to the lower 48 states and DC, and $8 below that. Express is $15 at checkout. Orders ship the same business day when placed early in the day, otherwise the next business day; standard delivery takes 3–5 business days. Alaska and Hawaii are charged by weight at checkout.

Can I return it?

Yes — unused items in the original packaging can be returned within 30 days of delivery. A restocking fee may apply; see our refund policy.

Shipping & delivery

Free standard shipping on orders of $70 or more to the lower 48 states and DC; $8 on smaller orders. Express is $15 at checkout; Alaska and Hawaii are charged by weight. Orders ship from the warehouse closest to you — the same business day, or the next business day if ordered late in the day, on a weekend or holiday. Standard delivery takes 3–5 business days. 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 return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Items marked Final sale can't be returned. If a part fails, contact us with your order number and we'll help with the manufacturer's warranty claim.

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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