Trojan Trailer Marine Bearing Oil Seal 65mm Outer 45mm Inner PT10141 Subtotal: $30.80
ARK Winch Post Cap – Blue Plastic Cover for 100mm x 50mm Trailer Posts (SKU: WPC100)
$13.00
Protect your trailer winch post from dirt, water, and sharp edges with this durable blue plastic cap designed to fit 100x50mm posts.
In stock
ITEM SPECIFICS
ARK Winch Post Cap – Blue Plastic Cover for 100mm x 50mm Trailer Posts (SKU: WPC100)
The ARK WPC100 is a practical finishing touch for your boat trailer’s winch post. This tough plastic cap fits snugly over 100mm x 50mm steel posts, protecting the top from water, dirt, and potential damage while covering any exposed sharp edges.
Smart Protection, Neat Finish:
Don’t leave your post top open to the elements. The WPC100 prevents rust and keeps your trailer setup safer and cleaner—with a vibrant blue colour that makes it easy to spot and adds a touch of style.
Key Features:
- Fits 100mm x 50mm trailer winch posts
- Keeps out water, dirt, and debris
- Prevents rust and internal corrosion
- Covers sharp or unfinished post edges
- Durable plastic construction
- Bright blue for easy visibility
Small part, big job—protect your trailer from the top down with ARK’s winch post cap.
ARK Winch Family Series – Product Overview
| Product Name | SKU | Gear Ratio | Material | Rated Load | Hook Type | Size |
|---|---|---|---|---|---|---|
| ARK Boat Winch 275kg Webbing | W273W | 3:1 | Webbing | 275kg | S Hook | 50mm x 4.5m |
| ARK Boat Winch 650kg Webbing | W654W | 4:1 | Webbing | 650kg | Forged Hook | 50mm x 7.5m |
| ARK Boat Winch 900kg Webbing | W905W | 5:1 / 1:1 | Webbing | 900kg | Snap Hook | 50mm x 7.5m |
| ARK Boat Winch 1150kg Webbing | W115125W | 12:1 / 5:1 / 1:1 | Webbing | 1150kg | Snap Hook | 65mm x 7.5m |
| ARK Boat Winch 275kg Cable | W273C | 3:1 | Steel Cable | 275kg | S Hook | 4mm x 6m |
| Post Cap – Large | WPC100 | N/A | Plastic | N/A | N/A | 100mm x 50mm |
| Post Cap – Medium | WPC75 | N/A | Plastic | N/A | N/A | 75mm x 50mm |
| Post Cap – Small | WPC50 | N/A | Plastic | N/A | N/A | 50mm x 50mm |
| Snap-On Handle for XO750 | WH210B | N/A | Replacement Handle | N/A | N/A | Snap-On |
| Dyneema Rope 2300kg | DRF56B | N/A | Dyneema | 2300kg | Snap Hook | 5mm x 6m |
| Blue Winch Strap 1870kg | SS545B | N/A | Webbing | 1870kg | S Hook | 50mm x 4.5m |
| Dyneema Rope 1300kg | DRS46B | N/A | Dyneema | 1300kg | S Hook | 4mm x 6m |
| Dyneema Rope 3500kg | DRF675B | N/A | Dyneema | 3500kg | Snap Hook | 6mm x 7.5m |
| Winch Strap 6m Forged Hook | SF56B | N/A | Webbing | 1870kg | Forged Hook | 50mm x 6m |
| Winch Strap 7.5m x 65mm | SF6575B | N/A | Webbing | 2350kg | Forged Hook | 65mm x 7.5m |
faq
Frequently Asked Questions
Q: What size post does this cap fit?
A: It’s designed for winch posts that measure 100mm x 50mm.
Q: What is it made of?
A: It’s made from tough, weather-resistant plastic.
Q: Why do I need a post cap?
A: To keep out moisture, prevent internal rust, and cover any sharp metal edges at the top of the post.
Q: Is it easy to install?
A: Yes, it simply presses into place—no tools required.
Q: Is it UV or saltwater resistant?
A: Yes, it’s designed for outdoor use on marine trailers and resists fading and cracking.
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