For Kenworth T680/T880 Washer Fluid Reservoir w/ Cap (2013–2016) – N5355001 / P6615001
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DESCRIPTION
The Washer Fluid Reservoir Tank with Cap is a direct-fit replacement for select Kenworth T680 and T880 trucks, restoring reliable windshield washer performance in demanding fleet and owner-operator applications.
Built from durable plastic and engineered to match OE shape, mounting points, and capacity, this reservoir is designed to handle temperature swings and vibration in heavy-duty service. The design has been validated with heat-age and burst testing to support long-term reliability.
Designed as an aftermarket replacement for OE # N5355001 and P6615001, it fits T680/T880 configurations using a Cummins engine with a BEHR cooling module. Installs cleanly with a factory-style appearance to help maintain visibility in rain, snow, and road spray.
- Direct OE replacement: Replaces N5355001 and P6615001 on compatible applications.
- Fitment: Kenworth T680 and T880 (2013–2016) with Cummins engine & BEHR cooling module (verify configuration).
- Heavy-duty construction: High-quality plastic helps resist cracking, heat, and vibration.
- Lab-tested reliability: Validated by heat-age and burst testing for tough conditions.
- Exact-fit design: OEM-style dimensions and mounting points for straightforward installation.
- Includes cap: Supplied with reservoir + cap; reuse original mounting hardware where applicable.
Package Includes:
- 1 × Washer Fluid Reservoir Tank
- 1 × Reservoir Cap
| Product Type | Washer Fluid Reservoir Tank with Cap |
| OE Part Numbers | N5355001, P6615001 |
| Compatible Vehicles | Kenworth T680, Kenworth T880 (2013–2016) |
| Engine / Cooling | Cummins engine with BEHR cooling module (verify) |
| Material | Plastic |
| Item Weight | 0.77 kg (approx.) |
| Testing | Heat age & burst tested |
| Installation | Direct bolt-in replacement (minimal modifications) |
| Fit Type | Vehicle Specific Fit |
Fitment Note
Please confirm your truck year, model, engine, cooling module type, and OE part number (N5355001 / P6615001) before ordering to ensure correct fitment.
Shipping Policy
Shipping Policy
Most ROADWEST orders are processed from our U.S. warehouses within 1–2 business days (Monday–Friday, excluding major U.S. holidays).
We currently ship within the United States only and do not deliver to P.O. Boxes, APO/FPO/DPO addresses, or international addresses.
- Shipping Area: United States only
- Process Time: In-stock items are usually processed within 1–2 business days (Mon–Fri, excluding major U.S. holidays)
- Delivery Method: Standard ground for most items; LTL freight for oversized or extra-heavy parts
- Delivery Time: After shipment, delivery typically takes 3–7 business days, depending on item size, destination, and carrier performance
- Returns: Most unused items may be returned within 30 days of delivery, subject to inspection and our return guidelines
For full details, please review our Shipping Policy and Easy Return & Refund Policy before placing your order.
Warranty
Warranty
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.

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$34.19 USD