---
product_id: 219008917
title: "E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer"
brand: "e-cowlboy"
price: "S$146"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/219008917-e-cowlboy-303-770-crankshaft-rear-main-seal-installer-tool
store_origin: SG
region: Singapore
---

# Precision fit for Ford Powerstroke engines Forged steel for unmatched durability Black oxide finish resists rust & corrosion E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer

**Brand:** e-cowlboy
**Price:** S$146
**Availability:** ✅ In Stock

## Summary

> 🛠️ Master your Ford’s heart with precision and power!

## Quick Answers

- **What is this?** E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer by e-cowlboy
- **How much does it cost?** S$146 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/219008917-e-cowlboy-303-770-crankshaft-rear-main-seal-installer-tool)

## Best For

- e-cowlboy enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Forged steel construction ensures strength and longevity, handling tough jobs without fail.
- • **Seal the Deal:** Designed specifically to install and remove crankshaft rear main seals and wear rings flawlessly.
- • **Rust? Not Here!:** Black oxide coating protects your tool from corrosion, keeping it reliable mile after mile.
- • **Effortless Replacement:** Direct swap for ZTSE4515C and 303-770 models—upgrade your toolkit instantly.
- • **Engineered for Powerstroke:** Perfectly tailored for Ford 4.5L, 6.0L & 6.4L diesel engines—no guesswork, just precision.

## Overview

The E-cowlboy 303-770 is a heavy-duty crankshaft rear main seal installer tool engineered for Ford 4.5L, 6.0L, and 6.4L Powerstroke diesel engines. Crafted from forged steel with a black oxide finish, it offers superior durability and corrosion resistance. This tool simplifies the installation and removal of rear main seals and wear rings, serving as a direct replacement for popular models like ZTSE4515C, making it an essential upgrade for professional mechanics and serious DIYers alike.

## Description

Full description not available

## Features

- APPLICATION – Fit for Ford 4.5L, 6.0L & 6.4L Powerstroke Diesel Engine, Low Cab Forward, F-Super Duty 250-550, E-Series.（Specific application reference as following）.
- FUNCTION -- Use for installation & removal of crankshaft rear seal wear ring for your Ford. Preventing your seal from leaking.
- SUPERIOR MATERIAL -- Constructed from high standard forged steel for strength, durability, and longevity; coated with black oxide finish for resistance to rust and corrosion. Never worry wear or damage to the tool!
- DIRECT REPLACEMENT-- Replace ZTSE4515C ZTSE4515 303-770. This rear main seal installer tool makes this job easier!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | E-cowlboy |
| Brand | E-cowlboy |
| Item Weight | 6.03 pounds |
| Package Dimensions | 6.57 x 6.54 x 6.42 inches |
| Item model number | 303-770 |
| Manufacturer Part Number | 303-770 |

## Images

![E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer - Image 1](https://m.media-amazon.com/images/I/61QWioZJrWL.jpg)
![E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer - Image 2](https://m.media-amazon.com/images/I/61HY5iJKCuL.jpg)
![E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer - Image 3](https://m.media-amazon.com/images/I/61492yEsz-L.jpg)
![E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer - Image 4](https://m.media-amazon.com/images/I/61jo1-yFLZL.jpg)
![E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer - Image 5](https://m.media-amazon.com/images/I/61c3j3KIalL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- E-cowlboy 303-770 Crankshaft Rear Main Seal Installer Tool for Ford 4.5L, 6.0L & 6.4L Powerstroke, Rear Seal & Wear Ring Installer
- FEL-PRO BS 40700 Engine Crankshaft Seal Kit for Ford F-250 Super Duty
- Bonbo Front Crank Wear Sleeve Installer Kit Replaces 303-761 for 03-10 Powerstroke 6.0L Front Crankshaft Seal & Wear Ring Installer

---

## 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.sg/products/219008917-e-cowlboy-303-770-crankshaft-rear-main-seal-installer-tool](https://www.desertcart.sg/products/219008917-e-cowlboy-303-770-crankshaft-rear-main-seal-installer-tool)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*