---
product_id: 215113508
title: "Killer Filter Fuel/Water Separator Element intended for Alliance ABP N122 R50421, 30 Micron, 5\"\" Diameter × 8.5\"\" Height, 1 Pack"
brand: "killer filter"
price: "32546 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/215113508-killer-filter-fuel-water-separator-element-intended-for-alliance-abp
store_origin: HU
region: Hungary
---

# 5" diameter × 8.5" height fit 30µm fine filtration Made in USA, ISO certified Killer Filter Fuel/Water Separator Element intended for Alliance ABP N122 R50421, 30 Micron, 5"" Diameter × 8.5"" Height, 1 Pack

**Brand:** killer filter
**Price:** 32546 Ft
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your diesel running cleaner, longer — don’t let fuel impurities slow you down!

## Quick Answers

- **What is this?** Killer Filter Fuel/Water Separator Element intended for Alliance ABP N122 R50421, 30 Micron, 5"" Diameter × 8.5"" Height, 1 Pack by killer filter
- **How much does it cost?** 32546 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/215113508-killer-filter-fuel-water-separator-element-intended-for-alliance-abp)

## Best For

- killer filter enthusiasts

## Why This Product

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

## Key Features

- • **Rugged Durability:** Premium media and tough construction extend service intervals under harsh conditions
- • **Proudly Made in the USA:** ISO-certified quality ensures reliability you can count on
- • **Trusted OEM Compatibility:** Seamlessly replaces Alliance ABP N122 R50421 and other top OEM parts
- • **Perfect Fit for Detroit Diesel:** Specifically designed for pre-2007 single-filter systems with clear bowls
- • **Precision 30 Micron Filtration:** Captures ultra-fine contaminants and water for pristine fuel flow

## Overview

The Killer Filter KF-ABPN122R50421 is a 30 micron fuel/water separator element engineered for heavy-duty trucks and industrial equipment. Measuring 5" diameter by 8.5" height, it fits Detroit Diesel pre-2007 single-filter systems with clear bowls. Manufactured in the USA under ISO standards, it uses premium filter media to efficiently remove water and fine contaminants, protecting injectors and pumps while extending service life.

## Description

Killer Filter KF-ABPN122R50421 fuel/water separator element is engineered to deliver dependable diesel performance in heavy-duty trucks and industrial equipment. Compatible with Alliance ABP N122 R50421, Donaldson P551859, Baldwin BF1395, Racor R120P, Fleetguard FS1071. Measuring 5"" OD × 8.5"" height and rated 30 µm at 90 % efficiency, this element removes water and particulate to help protect injectors and pumps. Built in the USA under strict ISO-certified quality standards with premium filter media and robust end caps for long service life. Fits pre-2007 Detroit Diesel single-filter systems that use a see-thru bowl; confirm fit before purchase. Product appearance may vary from image.

## Features

- 30 µm nominal rating captures fine contaminants and separates water for cleaner fuel flow
- 5"" outer diameter × 8.5"" height fits Detroit Diesel pre-2007 single-filter applications with clear bowl
- Premium filter media and rugged construction support extended service intervals in harsh duty
- Direct element intended for Alliance ABP N122 R50421 fuel/water separator housing
- Manufactured in the USA by Killer Filter and tested to ISO quality standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Killer Filter |
| Product Grade | Industrial |
| Vehicle Service Type | Truck |
| Style | Modern |
| Manufacturer | Killer Filter |
| OEM Part Number | Alliance ABP N122 R50421; Donaldson P551859; Baldwin BF1395; Racor R120P; Fleetguard FS1071 |
| Model | Alliance |
| Item Weight | 4 ounces |
| Package Dimensions | 10 x 5 x 5 inches |
| Item model number | KF-ABPN122R50421 |
| Manufacturer Part Number | KF-ABPN122R50421 |

## Product Details

- **Brand:** Killer Filter
- **Product Grade:** Industrial
- **Vehicle Service Type:** Truck
- **Style:** Modern
- **Manufacturer:** Killer Filter

## Images

![Killer Filter Fuel/Water Separator Element intended for Alliance ABP N122 R50421, 30 Micron, 5"" Diameter × 8.5"" Height, 1 Pack - Image 1](https://m.media-amazon.com/images/I/61Sq8PpzLNL.jpg)

## Questions & Answers

**Q: the alliance filter on my truck looks just like this one but the part number is abp/n122-s120fl01,.... are these the same filter,..?**
A: Is complit different.

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-22*