ATRACYPART Windshield Washer Reservoir 603-5402 for Kenworth & Peterbilt 389 — Direct-Fit Tank with Pump, Durable Plastic

If your truck's washer reservoir is cracked, leaking, or the pump has failed, this ATRACYPART assembly provides a straightforward repair that mirrors the original equipment shape and mounting. Designed to replace OE# 603-5402 (also referenced as N5355001 and 6035402), the unit ships with the pump installed so you can reconnect lines and wiring with minimal downtime. The reservoir is intended for a range of Kenworth and Peterbilt models, and it is made from durable plastic engineered for under-hood exposure.

Which trucks will this reservoir fit?

This reservoir is compatible with a broad selection of Kenworth and Peterbilt heavy trucks commonly used in long-haul and vocational work. Check the vehicle model and year against the compatibility list before ordering to ensure a proper match.

• Kenworth T680: 2013–2018
• Kenworth T880: 2014–2019
• Peterbilt: 335 (2005–2010), 367 (2007–2019)
• Peterbilt: 384 (2000–2016), 385 (2000–2014), 386 (2006–2016)
• Peterbilt: 387 (2000–2011), 388 (2000–2015), 389 (2000–2019)

How does this part compare to the original equipment?

ATRACYPART's reservoir is engineered to match the form, mounting points, and pump location of the OEM component so installation is straightforward. The materials and finish are selected for heat and vibration resistance to help maintain service life under typical operating conditions.

• Direct-fit design mirrors OE dimensions and mount points for plug-and-play installation.
• Includes the washer pump assembled into the tank for immediate reconnection.
• Manufactured from durable plastic formulated for under-hood temperatures and road vibration.

What should I expect during installation?

Replacing the reservoir is a simple repair for a light- to medium-skilled technician. Typical steps are to drain any remaining fluid, disconnect electrical plug and hoses, unbolt the old tank, swap in the ATRACYPART unit, and reconnect lines and power.

• Remove remaining washer fluid and unplug electrical connector and hoses.
• Unfasten mounting bolts and withdraw the old reservoir assembly carefully.
• Position the new ATRACYPART tank, secure mounting bolts, reconnect pump wiring and fluid lines, then fill and test.

What are the product details and warranty?

The part replaces OE numbers 603-5402, N5355001, and 6035402 and comes preassembled with a washer pump to circulate fluid to the nozzles. ATRACYPART backs the reservoir with a 24-month warranty and offers customer support for replacements or refunds if you encounter issues.

• Replaces OE#: 603-5402, N5355001, 6035402.
• Includes pump to push washer fluid through lines to spray nozzles.
• 24-month warranty and direct ATRACYPART support for returns or exchange.

Who is this for: this reservoir assembly is aimed at fleet managers, owner-operators, and repair shops that need a reliable, direct-fit replacement for worn or damaged washer tanks on compatible Kenworth and Peterbilt trucks. If you require an OEM-style part that reduces installation time and restores washer performance, this ATRACYPART unit is a practical aftermarket solution.