Peterbilt 379 Air Spring Bag – Replaces 29-03200 / W02-358-7036 (1 PC)
Warranty Information
ROADWEST stands behind the parts we sell. Unless otherwise stated on the product page, your purchase is covered by a 1-Year Limited Warranty against manufacturing defects under normal use.
What’s covered
- Defects in materials or workmanship
- Premature failure caused by factory-related issues
What’s not covered
- Normal wear and tear, cosmetic aging, corrosion from environment/road salt
- Damage from improper installation, incorrect wiring, modifications, misuse, or accidents
- Labor costs (installation/removal), downtime, towing, or other indirect costs
How to file a claim
Contact us with:
- Order number
- Product name / SKU
- Clear photos or a short video showing the issue
If approved, ROADWEST will provide an appropriate resolution (replacement parts, replacement unit, or refund/credit).
Please do not send items back without return authorization.
For more details, see our Shipping Policy, Easy Return & Refund Policy, and Warranty pages.
Shipping & Returns
Most ROADWEST orders ship from our U.S. warehouses within 1–2 business days. Standard ground delivery in the contiguous United States is typically 1–3 business days, with freight service used for oversized or extra-heavy parts.
- Shipping area: United States only (no PO Boxes or international addresses).
- Processing time: In-stock items usually ship within 1–2 business days, Mon–Fri.
- Delivery: Standard ground or LTL freight depending on size and weight.
- Returns: Most unused items may be returned within 30 days of delivery, subject to inspection and our return guidelines.
- Costs: Original and return shipping are generally the customer’s responsibility, unless the issue is caused by ROADWEST (wrong item, damaged on arrival, etc.).
For full details, please review our Shipping Policy and Easy Return & Refund Policy before placing your order.
Upgrade the ride quality of your Peterbilt with the High Soar Air Spring Bag for Peterbilt 379. Designed as a direct replacement for popular OEM part numbers, this heavy-duty cab / suspension air spring helps restore proper ride height, reduce vibration and improve overall driving comfort on long-haul routes.
This air spring bag is engineered to fit and function like the original, replacing Peterbilt 29-03200, 2902454 and Firestone-style W02-358-7036 / W02-3587036 without extra modifications. It is manufactured from imported high-density rubber that exceeds typical OEM standards, giving you better durability and load performance than ordinary air suspensions.
By absorbing road shocks and vibrations, the High Soar air spring bag helps protect drivers and passengers from harsh impacts, while also improving braking stability. Whether you’re pulling heavy loads or running highway miles day after day, this replacement air ride spring is built for reliable, consistent performance.
Ideal for fleet maintenance and owner-operators, it’s a practical solution when the original cab or suspension air bag starts leaking, sagging or fails due to age and wear.
- Direct replacement for Peterbilt 379 air spring applications using OEM numbers 29-03200, 2902454, W02-358-7036 and W02-3587036.
- High-density rubber construction that exceeds OEM requirements for enhanced durability and load capacity.
- Improved comfort & safety by absorbing vibration, reducing collision impact and helping maintain stable braking.
- Heavy-duty performance designed for demanding long-haul, vocational and highway trucking environments.
- 1-year warranty with 100% quality assurance for worry-free replacement and use.
- Responsive customer service – support team available to answer questions and resolve issues within 24 hours.
| Brand | High Soar |
|---|---|
| Product Type | Air Spring Bag / Air Ride Suspension |
| Application | Peterbilt 379 Cab / Suspension Air Spring Replacement |
| Cross Reference | Peterbilt 29-03200; Peterbilt 2902454; W02-358-7036; W02-3587036 |
| Material | High-density multi-ply reinforced rubber air spring |
| Function | Vibration absorption, ride height support, improved comfort and braking stability |
| Fit Type | Vehicle Specific Fit – Peterbilt 379 (verify with OEM part number) |
| Position | Cab / Suspension Air Ride (refer to original installation location) |
| Special Features | Heavy-duty construction, improved load performance, smooth and stable ride |
| Warranty | 1-Year Warranty with 100% Quality Assurance |
| Included Components | 1 × High Soar Air Spring Bag for Peterbilt 379 |
| Important Note | Please confirm your OEM part number and vehicle model before purchase to ensure proper fitment. |
| Manufacturer | High Soar |