---
product_id: 559438026
title: "Load Boss LB9935 Air Spring Replaces Navistar 90557157 & Firestone W01-358-9935"
brand: "ptp pro trucking products"
price: "986 zł"
currency: PLN
in_stock: true
category: "Ptp Pro Trucking Products"
url: https://www.desertcart.pl/products/559438026-load-boss-lb9935-air-spring-replaces-navistar-90557157-and-firestone
store_origin: PL
region: Poland
---

# Precision-engineered replacement part Universal fit for Navistar & Firestone Durable, heavy-duty air spring design Load Boss LB9935 Air Spring Replaces Navistar 90557157 & Firestone W01-358-9935

**Brand:** ptp pro trucking products
**Price:** 986 zł
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your ride with the Load Boss — where durability meets precision!

## Quick Answers

- **What is this?** Load Boss LB9935 Air Spring Replaces Navistar 90557157 & Firestone W01-358-9935 by ptp pro trucking products
- **How much does it cost?** 986 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/559438026-load-boss-lb9935-air-spring-replaces-navistar-90557157-and-firestone)

## Best For

- ptp pro trucking products enthusiasts

## Why This Product

- Trusted ptp pro trucking products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Crafted by Pro Trucking Products for maximum durability under heavy loads and tough road conditions.
- • **Optimized Performance:** Engineered to maintain optimal air suspension pressure, enhancing ride comfort and vehicle stability.
- • **Seamless Compatibility:** Direct replacement for Navistar 90557157 & Firestone W01-358-9935 ensures hassle-free installation and perfect fit.
- • **Trusted Brand Assurance:** PTP PRO TRUCKING PRODUCTS delivers reliable quality trusted by professional fleets.
- • **Cross-Reference Confidence:** Compatible with multiple OEM part numbers, eliminating guesswork and downtime.

## Overview

The Load Boss LB9935 Air Spring is a heavy-duty, precision-engineered replacement part compatible with Navistar 90557157 and Firestone W01-358-9935. Manufactured by Pro Trucking Products, it ensures seamless fit, enhanced suspension performance, and long-lasting durability for professional trucking applications.

## Description

Cross References: 91017.5, 910175, 90557157, 90557301, 1R12532, 1R12-532, 64412, 9 10-17.5 P 548, 910-17.5P548, 91017.5P548, W01-358-9935, W013589935

## Features

- Goodyear Bellows Number: 566-24-3-097, Goodyear Part Number: 1R12-532
- Firestone Bellows Number: 1T15M-7.5, Firestone Part Number: W01-358-9935
- Replaces Navistar 90557157 (RL-228-17) & Neway 90557301
- Cross References: 91017.5, 910175, 90557157, 90557301, 1R12532, 1R12-532, 64412, 9 10-17.5 P 548, 910-17.5P548, 91017.5P548, W01-358-9935, W013589935

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Pro Trucking Products |
| Brand | PTP PRO TRUCKING PRODUCTS |
| Manufacturer Part Number | LB9935 |

## Images

![Load Boss LB9935 Air Spring Replaces Navistar 90557157 & Firestone W01-358-9935 - Image 1](https://m.media-amazon.com/images/I/61Ll-UmhN5L.jpg)

## Frequently Bought Together

- Load Boss LB9935 Air Spring Replaces Navistar 90557157 & Firestone W01-358-9935
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**Shop now:** [https://www.desertcart.pl/products/559438026-load-boss-lb9935-air-spring-replaces-navistar-90557157-and-firestone](https://www.desertcart.pl/products/559438026-load-boss-lb9935-air-spring-replaces-navistar-90557157-and-firestone)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-02-02*