ATRACYPART Windshield Washer Reservoir with Pump for Kenworth & Peterbilt 603-5402 — Direct-Fit Thermoplastic Replacement

ATRACYPART's windshield washer fluid reservoir 603-5402 is a direct-fit replacement tank with pump engineered to restore washer function on compatible Kenworth and Peterbilt trucks. This replacement reservoir is built to match the size, mounting points and connections of the original part so installation is straightforward. Molded from durable thermoplastic and supplied with the pump assembly, it solves common issues like cracking, leaking or pump failure that occur from long-term under-hood heat and vibration. The unit is listed to replace OE numbers 603-5402, N5355001 and 6035402 and fits a wide range of Kenworth and Peterbilt models.

How will this reservoir restore my washer system?

Replacing a damaged or leaking tank with this ATRACYPART unit returns fluid capacity, enables proper pump operation and stops under-hood leaks that can damage wiring or other components. The included pump circulates washer fluid through attached tubing to the nozzles, providing consistent spray across the windshield.

• Includes integrated pump to re-establish fluid delivery.
• Preformed inlet/outlet locations align with factory lines.
• Stops leaks from cracked or deformed original tanks.
• Preserves electrical/connector compatibility for plug-and-play fit.

Which truck models and OEM numbers does this part support?

This reservoir is compatible with several Kenworth and Peterbilt model years and replaces specific original equipment numbers for easier cross-referencing. Verify fitment against your VIN or the OE number stamped on your existing tank before ordering.

• Kenworth: T680 (2013–2018) and T880 (2014–2019).
• Peterbilt models spanning 2000–2019, including 335, 367, 384–389, 385–388, and 386–387 variants.
• Replaces OE# 603-5402, N5355001, 6035402.

What materials and durability features does the reservoir offer?

The tank is manufactured from high-grade thermoplastic formulated to resist heat, vibration and chemical exposure found in engine compartments. A smooth exterior finish and reinforced mounting areas reduce stress points and extend service life compared with brittle or degraded original tanks.

• Thermoplastic construction resists cracking and warping.
• Refined surface finishing for improved longevity under hood heat.
• Rigid mounting bosses to prevent stress-related failures.
• Factory-style connectors for reliable pump engagement.

How simple is installation and what comes in the box?

The reservoir is designed as a direct replacement so most installations require basic hand tools and no alterations to hoses or wiring. The unit includes the pump assembly and matches original mounting points, enabling a quick swap for fleet technicians or owner-operators.

• Direct-fit design for plug-and-play replacement.
• Supplied with pump to restore immediate functionality.
• No need to modify existing lines or brackets when compatible.
• Installation typically completed in under an hour by a technician.

Who is this for This ATRACYPART reservoir is intended for fleet managers, technicians and independent truck owners operating Kenworth T680/T880 or the listed Peterbilt series who need a reliable, OEM-style replacement. It’s also suited for anyone troubleshooting persistent washer leaks, intermittent pump operation, or a visibly damaged tank. Backed by a two-year warranty and customer support, the part offers a practical option to restore windshield cleaning performance and avoid downtime caused by failed washer components.

FAQ

Q: Does this reservoir include the pump?

A: Yes. The ATRACYPART reservoir ships with the pump assembly for immediate reinstallation and operation.

Q: Which OE numbers does this replace?

A: This unit replaces OE# 603-5402, N5355001 and 6035402 for the listed Kenworth and Peterbilt models.