Heavy-Duty Coolant Surge Tank for Kenworth T600 / T660 / T800 / W900 & Peterbilt 330-389 Semi Trucks – Fits 2008+ (PL-5403-ET2)

Heavy-duty coolant surge tank for late-model Kenworth and Peterbilt Class 8 rigs. Direct-fit replacement built from high-grade heat-resistant plastic, shipped complete with reservoir cap, coolant level sensor, and integrated mounting bracket for a true bolt-in install.

Key Features

• High-grade heat-resistant plastic construction for long service life
• Includes reservoir cap and pre-installed coolant level sensor
• Integrated mounting brackets — direct-fit replacement, no modification required
• Withstands high engine-bay temperatures and pressurized cooling systems
• Rigorously pressure-tested for leak-free operation
• Heavy-duty design engineered for over-the-road commercial use

OE Cross-Reference

• Peterbilt N5346001

Compatibility

Direct-fit replacement for a wide range of Kenworth and Peterbilt Class 8 rigs, including Kenworth T600, T660, T800, W900B, W900L, W900S (2008-present), and Peterbilt P330, 335, 337, 340, 348, 349, 352 COE, 353, 357, 359, 362 COE, 365, 367, 372 COE AERO, 375, 376, 377, 378, 379, 385, 386, 387, 388 (2008-2015), Peterbilt 382 (2008-2016), 384 (2008-2018), and 389 (2008-2024).

What's in the Box

• 1 × Heavy-duty coolant surge tank (PL-5403-ET2)

Note: Coolant not included. Confirm fitment against your OE part number before ordering.