---
product_id: 52356803
title: "Estes Rockets 3181 BT5, BT20, BT50 Engine Mount Parts, for Model Rockets, (27Piece)"
brand: "estes"
price: "A$33"
currency: AUD
in_stock: true
reviews_count: 6
category: "Estes"
url: https://www.desertcart.com.au/products/52356803-estes-rockets-3181-bt5-bt20-bt50-engine-mount-parts-model
store_origin: AU
region: Australia
---

# Fits BT5, BT20, BT50 tubes 27 precision engine mount parts DIY-friendly modular design Estes Rockets 3181 BT5, BT20, BT50 Engine Mount Parts, for Model Rockets, (27Piece)

**Brand:** estes
**Price:** A$33
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your rocket game with precision parts that launch your creativity sky-high!

## Quick Answers

- **What is this?** Estes Rockets 3181 BT5, BT20, BT50 Engine Mount Parts, for Model Rockets, (27Piece) by estes
- **How much does it cost?** A$33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/52356803-estes-rockets-3181-bt5-bt20-bt50-engine-mount-parts-model)

## Best For

- estes enthusiasts

## Why This Product

- Trusted estes brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Estes Quality:** From the leading model rocket brand with a 4.6-star rating and proven performance.
- • **Versatile Compatibility:** Engine mounts fit BT5, BT20, and BT50 body tubes for maximum flexibility.
- • **Perfect for DIY Enthusiasts:** Ideal for scratch builds and repairs, empowering your creative rocket projects.
- • **Durable Mylar Retainer Rings:** Secure engine hooks with high-quality Mylar rings for reliable launches.
- • **Complete 27-Piece Engine Mount Kit:** Everything you need to customize and repair your model rockets with precision.

## Overview

The Estes Rockets 3181 Engine Mount Parts kit includes 27 precision components designed for BT5, BT20, and BT50 model rocket engines. Perfect for DIY builders and repair enthusiasts, this versatile set features durable Mylar retainer rings and engine blocks, ensuring secure and reliable engine mounting. Backed by Estes' trusted quality and a strong 4.6-star customer rating, this kit is essential for anyone serious about model rocketry.

## Description

Includes 27 parts to build engine Mounts. Perfect for the do-it-yourselfer! 27 pieces each. Bt5 body tube. 2 inches long. 3 each. Bt5 yellow engine blocks. 3 each. Bt5 Mylar engine hook retainer rings.3 each. Bt20 body tube. 2.75 inches long. 3 each. Bt20 engine blocks. 3 each. Bt20 Mylar engine hook retainer rings.3 each. Bt50 body tube. 4 inches long. 3 each. Bt50 yellow engine blocks. 3 each. Bt50 black engine hook retainer rings.

Review: Nice kit - Used for rocket repairs and scratch builds
Review: Engin holder's - Made it easy to use different engines

## Features

- Estes Rockets is your go to hobby model rocket supplier
- Model Number: EST3181
- Item Package Dimension: 10.2" L x 6.3" W x 1.0" H
- Country Of Origin: China

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01A7VGWIK |
| Customer Reviews | 4.6 4.6 out of 5 stars (65) |
| Is Discontinued By Manufacturer | No |
| Item Weight | 7 ounces |
| Item model number | EST3181 |
| Manufacturer | Estes Rockets |
| Manufacturer recommended age | 16 - 16 years |
| Product Dimensions | 10.2 x 6.3 x 1 inches |
| Release date | January 1, 2018 |

## Images

![Estes Rockets 3181 BT5, BT20, BT50 Engine Mount Parts, for Model Rockets, (27Piece) - Image 1](https://m.media-amazon.com/images/I/81+Bm1YoVyL.jpg)

## Questions & Answers

**Q: What demension are the tubes**
A: Look up BT20 and BT50 tube sizes. The 20 is the size of an regular Estes engine. The 50 is the size of a Estes D engines

**Q: Does it include 29mm engine tubes?**
A: No, the largest is BT50. 24mm. That is the diameter for D engines.

**Q: does this fit  C engines ??**
A: Yes it does.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice kit
*by R***N on August 29, 2024*

Used for rocket repairs and scratch builds

### ⭐⭐⭐⭐⭐ Engin holder's
*by J***L on December 15, 2020*

Made it easy to use different engines

### ⭐⭐⭐⭐ Everything but the engine hooks
*by E***D on August 21, 2021*

Great kit...but you may need engine hooks, and you may need centering rings for some size body tubes

## Frequently Bought Together

- Estes Rockets 3181 BT5, BT20, BT50 Engine Mount Parts, for Model Rockets, (27Piece)
- Estes 3 BT-50 Body Tubes
- Estes Rockets 3175 BT5-BT55 Centering Rings, for Model Rockets, (26Piece)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-15*