maXpeedingrods 2PCS Cab Air Ride Suspension Bag for Peterbilt 379 – W02-358-7036 Replacement

Overview

Meet the maXpeedingrods 2PCS Cab Air Ride Suspension Bag set, engineered to fit Peterbilt 379 trucks. This two‑pack replaces a range of factory and aftermarket parts, including Firestone W02-358-7036 and related numbers, with a robust, corrosion‑resistant design. Built for long hauls, it aims to deliver a more predictable, stable ride and dependable performance across varying road conditions.

Crafted to endure demanding use, these bags emphasize a smooth contact surface and durable construction. The design retains the bolt‑on convenience, enabling a direct swap for your worn or failed factory units without modification. This approach keeps downtime short and helps you get back on the road with minimal disruption.

Key Benefits and Specifications

• Durable materials with high corrosion resistance, creating a smoother wear surface and long‑term reliability.
• Fatigue tested for more than 5 million cycles to verify endurance under repeated loading.
• Airtight performance with a 24‑hour test showing a maximum ≤0.02 MPa pressure drop, indicating strong sealing.
• Direct bolt‑on replacement for your factory unit; no modification needed during installation.
• Two bags are provided in the kit, designed to work as a matched pair for balanced ride characteristics.

Fitment, Installation, and Use

The bags are designed for Peterbilt 379 trucks and are compatible with a range of original equipment and aftermarket references, including Firestone and Goodyear part numbers noted in the product features. The installation is described as bolt‑on, with no chassis or frame alterations required, helping to minimize vehicle downtime and keep maintenance straightforward.

• Two‑piece set included
• Direct bolt‑on replacement with no modification
• Supports a reliable seal and consistent wear over time
• Warranty and support included from maXpeedingrods for manufacturing defects under normal use

For operators seeking a practical upgrade, this kit offers potential improvements in ride consistency, a more predictable feel on rough highways, and a straightforward service path for maintenance cycles. While results can vary with load, road conditions, and driving style, the design emphasizes durability and repeatable performance rather than promises of specific outcomes.

Warranty and Support

maXpeedingrods backs these products with a one‑year warranty against manufacturing defects under normal use, plus lifetime technical support and customer service to help with installation questions or product guidance.