ARK Winch Post Cap – Blue Plastic Cover for 50mm x 50mm Trailer Winch Posts (SKU: WPC50)
$14.30
Keep small winch posts safe from dirt and rust with this bright blue plastic cap—built to fit 50mm x 50mm trailer posts snugly.
In stock
ARK Winch Post Cap – Blue Plastic Cover for 50mm x 50mm Trailer Winch Posts (SKU: WPC50)
The ARK WPC50 is the smallest post cap in the ARK winch post protector family—designed to snugly fit 50mm x 50mm steel trailer posts. It keeps moisture, dirt, and debris out of the tube while also covering sharp edges and creating a clean, finished look.
Protection for the Little Guys:
Ideal for lightweight trailers or compact setups, this cap gives your trailer a polished and functional finishing touch. Made from durable blue plastic, it resists cracking under harsh Aussie weather and won’t fade in the sun.
Key Features:
- Designed for 50mm x 50mm trailer winch posts
- Blocks out dirt, water, insects, and corrosion risks
- Eliminates sharp edges – safer for hands and gear
- UV-stabilised blue plastic construction
- Easy push-on fit – no tools required
- Matches other ARK trailer accessories
Small post, big protection—cap it right with ARK WPC50.
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 |
Frequently Asked Questions
Q: What size trailer post does this fit?
A: It’s made to fit 50mm x 50mm steel winch posts.
Q: Will it stay on during bumpy travel?
A: Yes, it fits snugly and won’t fall off during normal towing conditions.
Q: Can it prevent rust?
A: Definitely. By sealing off the post, it helps block out water and prevent internal corrosion.
Q: Is it UV and salt-resistant?
A: Yes, it’s made for Australian conditions—tough against sun, rain, and road grime.
Q: Is this part of a set?
A: It’s the smallest in ARK’s post cap range. See WPC75 and WPC100 for medium and large sizes.
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