Description
18″ Keel Roller Boat Trailer. The Stoltz polyurethane super keel rollers are the highest quality polyurethane keel rollers on the market. When you purchase a boat trailer it typically comes stock with an inferior or low quality keel roller. A number of boat manufacturers recommend making trailer improvements to help protect the life of the boat. A great trailer upgrade is our Stoltz Super Keel Roller. It delivers a long-lasting performance for the lifetime of a trailer and helps protect the boat.18″ Keel Rollers made of PVC and rubber are often marketed as having qualities similar to polyurethane, but sold at a cheaper price. However, the material differences are far greater. The Stoltz Keel Roller boat trailer roller may be a larger initial investment, but will provide superior protection to your boat over a longer lifetime, making the Stoltz roller the more economical choice.This is a keel roller specifically designed to replace an 18″ keel roller with a 5/8″ Bolt size. There are a number of benefits of upgrading your current keel roller to a Stoltz Polyurethane super roller.
Stoltz Super 18″ Keel Roller Boat Trailer:
- Improve support for a boat’s keel and transom during transport.
- The roller will help reduce the effort needed for boat launching and retrieval by spinning freely and decreasing drag.
- Typically our keel roller with help eliminate the need to submerge the trailer to float off the boat.
- Keep the tow vehicle safely off the slippery portion of the launch ramp
- Serve as a buffer between the boat and trailer by shifting weight to the shock-absorbent rollers, thereby reducing damaging friction
This Roller Includes:
- 18″ keel Roller for a 5/8 diameter bolt
The Stoltz polyurethane material is known world wide for it’s long lasting and non marking quality, RP-18 by StoltzLooking to UPGRADE your loading experience? Checkout the Automatic Boat Loading System on Boat2Trailer.


![Ancor 24-22 Gauge Heat Shrink Step-Down Multi-Wire Connectors – 25-Pack[320025]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ancor-24-22-gauge-heat-shrink-step-down-multi-wire-connectors-25-pack-320025.webp)
![Xantrex C-Series Solar Charge Controller – 40 Amps [C40]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/xantrex-c-series-solar-charge-controller-40-amps-c40.webp)

![Xantrex Conext Combox Communication Box f/Freedom SW Series Inverters/Chargers[809-0918]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/xantrex-conext-combox-communication-box-f-freedom-sw-series-inverters-chargers-8.webp)
![Whitecap C.P. Brass Sillcock 1-5/8″ Base 3-3/16 Depth[P-2452C]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-c-p-brass-sillcock-1-5-8-base-3-3-16-depth-p-2452c.webp)
![Scanpod Helm Pod System – White[SPH-SYSTEM-W]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/scanpod-helm-pod-system-white-sph-system-w.webp)
![Shadow-Caster Courtesy Light w/2′ Lead Wire – 316 SS Cover – Great White – 4-Pack[SCM-CL-GW-SS-4PACK]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-courtesy-light-w-2-lead-wire-316-ss-cover-great-white-4-pack-scm-c.webp)
![Shadow-Caster Accent Lighting Flex Strip 8′ Terminated w/20′ of Lead Wire[SCM-AL-LED-8]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-accent-lighting-flex-strip-8-terminated-w-20-lead-wire-scm-al-led-.webp)