Peterbilt Washer Fluid Reservoir w/ Cap (2006–2015) – Replaces N5355001 / P6615001
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.
Keep your visibility clear in all weather with the High Soar Washer Fluid Reservoir Tank with Cap, engineered as a direct replacement for select Peterbilt trucks. This tank is designed to match the fit, function and performance of the original washer fluid reservoir on multiple Peterbilt models.
Manufactured from high-quality plastic and thoroughly tested for heat aging and burst resistance, this washer reservoir withstands the demanding underhood environment of heavy-duty trucks. Each unit is carefully scanned to match OEM dimensions, ensuring a clean, hassle-free installation.
This configuration is specifically tailored for Peterbilt applications using a Cummins engine with a BEHR cooling module. It restores proper windshield washer function so drivers can maintain a clear view in rain, snow and road grime conditions.
- Direct OE-style replacement – Replaces OEM part numbers N5355001 and P6615001 for selected Peterbilt trucks.
- Peterbilt compatibility – Designed for Peterbilt 320, 330, 335, 357, 365, 378, 384, 388 model years 2006–2015 (using a Cummins engine with BEHR cooling module).
- Durable construction – Injection-molded plastic resists heat, vibration and cracking, delivering long service life in heavy-duty use.
- Thoroughly tested – Design has undergone heat age testing and burst testing to help ensure reliability in harsh working conditions.
- Exact-fit design – Each reservoir is scanned and shaped to precisely match the OEM tank for a clean, factory-style installation.
- Ready to install – Comes with reservoir and cap; reuse existing hardware where applicable for quick replacement.
- Application note – Always verify year, model and OE number before ordering to ensure proper fit for your Peterbilt.
Package Includes:
- 1 × Washer Fluid Reservoir Tank
- 1 × Reservoir Cap
| Brand | High Soar |
|---|---|
| Product Type | Washer Fluid Reservoir Tank with Cap |
| OE Part Numbers | N5355001, P6615001 |
| Compatible Vehicles | Peterbilt 320, 330, 335, 357, 365, 378, 384, 388 (2006–2015) |
| Engine / Cooling | Trucks using a Cummins engine with BEHR cooling module |
| Material | Plastic |
| Exterior Finish | Stainless look / OE-style finish |
| Item Weight | 0.77 kg (approx.) |
| Fit Type | Vehicle Specific – Peterbilt applications |
| Vehicle Service Type | Heavy Duty Truck / Semi Truck |
| Testing | Heat age & burst tested for reliability |
| Installation | Direct bolt-in replacement, no major modifications required |