Best Second Hand Boat Propellers: Reliable Upgrades for RC Craft
Exploring second-hand or used propellers can be a savvy way to keep RC boats performing well without breaking the bank. This guide highlights durable, affordable options that fit a range of hobbyist boats, from hobby-grade TKKJ and UDI models to simple nylon and metal variants. Each pick below includes key features to help you compare at a glance.
| Product | Brand | Key Features |
|---|---|---|
| Heyiarbeit RC Boat Propeller 2 Blades | Heyiarbeit | Aluminium alloy, 2 blades, 3.18mm hole, 35 mm diameter, CCW |
| ZDingTech H102 Propeller Set | ZDingTech | 2 propellers with nuts and wrench; fits H100/H102/H106/H108/H120 |
| ZDingTech Upgrade Metal Propeller 4mm | ZDingTech | 4mm inner hole, strong wear resistance, UDI Arrow compatibility |
| 12pcs RC Boat Propellers 3-Vanes | Alextend | 40 mm diameter, nylon plastic |
| 30PCS Motor Propellers 2-Blades | URIMPAVIDO | 2 mm shaft, 5.5 cm diameter, multicolor |
Note: The table above summarizes representative options from the listed products. Always verify compatibility with your specific boat model and motor shaft size before buying.
ZDingTech 2pcs H102 Propeller Parts for H120 and More

This set includes 2 propellers, 2 screws nuts, and 1 wrench. It is designed as a replacement propeller kit compatible with TKKJ Skytech H100, H102, H106, H108, and H120 RC boat models. The package aims to simplify maintenance by providing essential hardware for quick swaps and reliable operation. The propellers support standard RC boat performance and are suitable for hobbyists upgrading worn components or repairing damaged blades.
Heyiarbeit RC Boat Propeller 2 Blades
Feature highlights include a 2-blade design with a 3.18 mm hole, 35 mm diameter, and a CCW orientation. Constructed from high-quality aluminium alloy for strength and corrosion resistance, these props are designed for durability and long-lasting performance. The propeller is easy to install and intended to replace worn or broken units without adding excessive weight, helping maintain predictable handling and safe operation.
ZDingTech Upgrade Metal Propeller for UDI Arrow

This upgrade propeller is a 4 mm inner hole design, built for the UDI Arrow 5/005 and UDI022 series. It is marketed as more wear-resistant and powerful, with a secure M4 nut locking. While designed for the UDI Arrow family, it is suitable for other brands—like HONGXUNJIE and Feilun—when compatibility is confirmed. This part is ideal for users seeking a robust upgrade that can handle higher loads during acceleration and turning.
12pcs RC Boat Propellers 3-Vanes for 2mm Shaft

This nylon propeller set features 3-vanes with a 2 mm shaft fit. Each propeller is designed to deliver balanced thrust and stable performance for small RC boats. The 40 mm diameter and specific vane design support smooth acceleration and reliable tracking, making these a practical option for hobbyists who want to stock up on replacement parts or run multiple configurations.
Floating Marine Propeller Wrench & Prop Stop

Designed for all outboard and stern drive applications, this two-piece kit includes a floating propeller wrench and a prop stop block, plus three pins for prying out tab washers. Constructed from rust-resistant marine-grade plastic, the tools are bright yellow for visibility and float on water, reducing the risk of loss during maintenance and storage. This kit emphasizes ease of use and safety during prop swaps and routine servicing.
10Pair RC Boat Nylon Propellers 2-Blades

This set includes 10 nylon propellers optimized for 2 mm shafts, featuring two blades with a compact 22 mm diameter. The lightweight material helps conserve battery life while offering reliable thrust for basic or entry-level RC boats. The assortment is suitable for experimentation with different pitches and performance characteristics in a controlled environment.
Gracilaria 2PCS RC Boat 3-Blades Propeller

Two 3-blade propellers with a 4 mm central hole and 40 mm outside diameter offer a balance of propulsion and stability for DIY model boats. Constructed from durable plastic, these props are intended to be replacements for worn or damaged propellers, enabling smooth operation and consistent performance in recreational RC applications.
30PCS Motor Propellers 2-Blades for 2mm Shafts

Colorful set includes 30 propellers across Yellow, Red, and Blue, each with two blades and a 2 mm shaft fit. With 5.5 cm diameter blades, these props provide a broad selection for experimentation, demonstrations, and customization of RC boats in classroom or hobby settings. The varied colors assist in quick identification during testing rounds.
Buying Guide: Key Purchase Considerations
- Compatibility: Check shaft diameter, hole size, and mounting pattern to match your motor and boat model. Small variations can affect fit and performance.
- Material and Durability: Nylon and aluminium alloys offer different durability, weight, and corrosion resistance. Metal props often handle higher loads but may be heavier.
- Blade Design: Number of blades and pitch influence thrust, speed, and handling. More blades can provide smoother thrust but may reduce top speed.
- Size and Balance: Diameter and propeller thickness impact thrust and water flow. Balanced blades reduce vibration and wear on bearings.
- Replacement Availability: If buying second-hand, verify the propeller is not overly worn, warped, or damaged. Look for sets that include hardware for easy replacement.
- Intended Use: For training or casual use, nylon props offer affordable replacements. For higher performance, consider metal or upgraded propellers with secure locking.
- Maintenance: Inspect propellers for cracks or chips; ensure mounting hardware is in good condition to prevent loss during operation.
In summary, second-hand RC boat propellers can offer reliable performance when chosen with care. Review compatibility, material, and blade design to select a replacement that preserves handling and efficiency for your specific model and driving style.