---
product_id: 45184957
title: "Dorman W37785 Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet / GMC Models"
brand: "dorman"
price: "AR$56307"
currency: ARS
in_stock: true
reviews_count: 9
category: "Dorman"
url: https://www.desertcart.com.ar/products/45184957-dorman-w37785-rear-drum-brake-wheel-cylinder-compatible-with-select
store_origin: AR
region: Argentina
---

# EPDM rubber seals Cast iron durability Direct OEM fit Dorman W37785 Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet / GMC Models

**Brand:** dorman
**Price:** AR$56307
**Availability:** ✅ In Stock

## Summary

> 🚗 Upgrade your brake game with confidence — don’t get left behind!

## Quick Answers

- **What is this?** Dorman W37785 Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet / GMC Models by dorman
- **How much does it cost?** AR$56307 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/45184957-dorman-w37785-rear-drum-brake-wheel-cylinder-compatible-with-select)

## Best For

- dorman enthusiasts

## Why This Product

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

## Key Features

- • **Premium EPDM Seals:** High-quality rubber cups and boots prevent leaks and extend lifespan
- • **Tested for Perfection:** Surface-tested bores guarantee optimal sealing and safety
- • **Durable Cast Iron Build:** Robust material ensures long-lasting reliability under pressure
- • **Precision Engineered Fit:** Seamlessly replaces original wheel cylinder for flawless brake performance
- • **Vehicle-Specific Compatibility:** Use our garage tool to confirm exact fit for your Chevrolet or GMC model

## Overview

The Dorman W37785 Rear Drum Brake Wheel Cylinder is a cast iron, direct replacement part engineered to match original equipment specifications for select Chevrolet and GMC models. Featuring premium EPDM rubber seals and precision surface testing, it ensures reliable, leak-free brake performance. Designed for easy fitment, this cost-effective solution is trusted by professionals and backed by strong customer reviews.

## Description

This direct replacement drum brake wheel cylinder was specifically engineered to match the fit, function and performance of the original wheel cylinder on particular vehicles. It is manufactured and tested for quality assurance. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Blazer: 1992, 1993, 1994] - [Chevrolet C10 Pickup: 1974, 1975, 1976, 1977, 1978] - [Chevrolet C10: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1986, 1987] - [Chevrolet C1500: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999] - [Chevrolet C2500: 2000] - [Chevrolet K1500 Suburban: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999] - [Chevrolet K1500: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999] - [Chevrolet Silverado: 1995, 1996, 1997, 1998, 1999] - [Chevrolet Sonora: 2000] - [Chevrolet Suburban 1500: 2000] - [Chevrolet Tahoe: 1995, 1996, 1997, 1998, 1999, 2000] - [GMC C15/C1500 Pickup: 1974] - [GMC C15: 1975, 1976, 1977, 1978] - [GMC C1500: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999] - [GMC C2500: 2000] - [GMC K1500 Suburban: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999] - [GMC K1500: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999] - [GMC Yukon: 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000]

Review: Seems to work well - Good price seems to work as it should
Review: Solved my leaking rear brake issue. - Fast shipment. Good packaging. Quality part

## Features

- Ideal replacement - specifically engineered to be direct match for original drum brake wheel cylinder on particular vehicles.Material:Cast Iron
- Cost-effective fix - replacement of cylinder while servicing drum brakes is fastest, surest way to ensure brake performance
- Quality materials - made with high-quality EPDM rubber cups and boots for long-lasting performance
- Professionally tested - wheel cylinder bores are surface-tested to ensure an optimum sealing surface for the pressure cups
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001PYV01S |
| Best Sellers Rank | #77,155 in Automotive ( See Top 100 in Automotive ) #14 in Automotive Replacement Wheel Cylinder Brake Parts |
| Brand | Dorman |
| Customer Reviews | 4.6 4.6 out of 5 stars (386) |
| Date First Available | October 10, 2007 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.6 ounces |
| Item model number | W37785 |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | W37785 |
| Model | W37785 |
| OEM Part Number | 116224; 134.66018; 135.66018; 172-1514; 18E1234; 18E296; 2037785; 33961; 784-44018; 84-44018; F116224; W-86018; W906625; WC116224; WC13961; WC370189; WC37785; 18013956; 18018788; 18060167; 19213347 |
| Position | Rear |
| Product Dimensions | 4.1 x 3.1 x 2.5 inches |

## Images

![Dorman W37785 Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet / GMC Models - Image 1](https://m.media-amazon.com/images/I/91y73QKb9bL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Seems to work well
*by W***A on February 3, 2026*

Good price seems to work as it should

### ⭐⭐⭐⭐⭐ Solved my leaking rear brake issue.
*by B***R on September 5, 2025*

Fast shipment. Good packaging. Quality part

### ⭐⭐⭐⭐⭐ Works great
*by T***N on February 2, 2025*

Exact fit for my Silverado and cheaper than the big stores.

## Frequently Bought Together

- Dorman W37785 Rear Drum Brake Wheel Cylinder Compatible with Select Chevrolet / GMC Models
- ACDelco Professional 18K600 Rear Drum Brake Spring Kit
- ACDelco Silver 14675B Bonded Rear Drum Brake Shoe Set

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.ar/products/45184957-dorman-w37785-rear-drum-brake-wheel-cylinder-compatible-with-select](https://www.desertcart.com.ar/products/45184957-dorman-w37785-rear-drum-brake-wheel-cylinder-compatible-with-select)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-05-23*