---
product_id: 207045040
title: "Polylok 4\" Corrugated Pipe Adapter (4\" corrugated to 4\" SDR 35 or 4\" SCH 40)"
brand: "polylok"
price: "$35.54"
currency: USD
in_stock: true
reviews_count: 13
category: "Polylok"
url: https://www.desertcart.us/products/207045040-polylok-4-corrugated-pipe-adapter-4-corrugated-to-4-sdr
store_origin: US
region: United States of America
---

# 4" seamless connection fits SDR 35 & SCH 40 pipes durable PVC construction Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40)

**Brand:** polylok
**Price:** $35.54
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with confidence—upgrade your drainage like a pro!

## Quick Answers

- **What is this?** Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40) by polylok
- **How much does it cost?** $35.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/207045040-polylok-4-corrugated-pipe-adapter-4-corrugated-to-4-sdr)

## Best For

- polylok enthusiasts

## Why This Product

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

## Key Features

- • **Rugged PVC Durability:** Crafted from high-quality polyvinyl chloride to withstand outdoor elements and pressure.
- • **Universal Compatibility:** Engineered to fit both 4" SDR 35 and 4" SCH 40 pipe standards—one adapter, multiple uses.
- • **Compact & Lightweight Design:** At just 4.2 ounces and under 5 inches, it’s easy to handle and install anywhere.
- • **Effortless 4" Pipe Integration:** Seamlessly connects corrugated to SDR 35 or SCH 40 PVC pipes for flawless flow.
- • **Trusted by Pros & DIYers Alike:** Highly rated with 4.6 stars from 200+ users—join the community upgrading their drainage game.

## Overview

The Polylok 4" Corrugated Pipe Adapter is a precision-engineered PVC fitting designed to connect 4" corrugated pipes to 4" SDR 35 or SCH 40 PVC pipes. Lightweight yet durable, it ensures a secure, leak-resistant joint ideal for residential and commercial drainage systems. With a strong 4.6-star rating and versatile compatibility, it’s the go-to adapter for seamless pipe transitions.

## Description

Buy Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40): Pipe Fittings - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good connection from corrugated to PVC - worked perfectly to connect the black corrugated drain pipe from the down spouting to the PVC pipe buried in the yard
Review: Great adapter - Worked very well for connecting my PVC drain line to 4" corrugated pipe. I also used PVC tape to seal the connection.

## Features

- Connects 4" corrugated pipe to 4" SDR35 pipe or 4" SCH40 pipe

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085S7F7LF |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #53,735 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,665 in Pipe Fittings |
| Brand | Polylok |
| Color | White |
| Connector Type | Adapter |
| Customer Reviews | 4.6 4.6 out of 5 stars (205) |
| Date First Available | March 10, 2020 |
| Item Package Quantity | 1 |
| Item Weight | 4.2 ounces |
| Item dimensions L x W x H | 4.57 x 4.5 x 4.5 inches |
| Manufacturer | Polylok |
| Material | Polyvinyl Chloride |
| Number of Pieces | 1 |
| Product Dimensions | 4.57 x 4.5 x 4.5 inches |
| Size | 4 Inch |
| Thread Size | 4 inch |
| Thread Type | NPT |

## Product Details

- **Brand:** Polylok
- **Color:** White
- **Connector Type:** Adapter
- **Item Weight:** 0.12 Kilograms
- **Item dimensions L x W x H:** 4.57 x 4.5 x 4.5 inches
- **Material:** Polyvinyl Chloride
- **Number of Pieces:** 1
- **Size:** 4 Inch
- **Thread Size:** 4 inch
- **Thread Type:** NPT

## Images

![Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40) - Image 1](https://m.media-amazon.com/images/I/01oIoOK7sHL.jpg)
![Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40) - Image 2](https://m.media-amazon.com/images/I/21W8cRLyMJL.jpg)
![Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40) - Image 3](https://m.media-amazon.com/images/I/31+cxT-i4rL.jpg)
![Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40) - Image 4](https://m.media-amazon.com/images/I/317zK9ygWbL.jpg)
![Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40) - Image 5](https://m.media-amazon.com/images/I/31BTMnDVynL.jpg)

## Questions & Answers

**Q: How many do you get for $45?**
A: One

**Q: Does this come in 3 inches?**
A: No, currently only manufactured in 4" and 6".

**Q: How many for $45?**
A: One

**Q: Absolute ripoff! How do you justify that price? Get this adapter for $8.25 elsewhere!**
A: Unfortunately Amazon charges sellers quite a bit in sellers fees and shipping costs that get factored into the final product cost. Polylok has designed this adapter to make installation the simple and the most secure method of attaching corrugated pipe to PVC pipe.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good connection from corrugated to PVC
*by L***N on January 8, 2026*

worked perfectly to connect the black corrugated drain pipe from the down spouting to the PVC pipe buried in the yard

### ⭐⭐⭐⭐⭐ Great adapter
*by S***D on September 22, 2025*

Worked very well for connecting my PVC drain line to 4" corrugated pipe. I also used PVC tape to seal the connection.

### ⭐⭐⭐⭐⭐ Easy to put on
*by V***L on December 16, 2025*

Fit as pipe adapter for connecting two pipes

## Frequently Bought Together

- Polylok 4" Corrugated Pipe Adapter (4" corrugated to 4" SDR 35 or 4" SCH 40)
- NDS 451 HDPE Corrugated Adapter, 4-Inch, for Spigot X 4 inch Corrugated Hub Connections, for use with 4 inch Drain Pipes & Fittings, Black
- NDS 422G Pop-Up Drainage Emitter with Elbow fits 4-Inch Sewer and Drain Pipe, Works with Drainage Systems Including Catch Basins, Green

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*