Coolant Tank Reservoir Compatible with Kenworth & Peterbilt Trucks – Cap & Sensor Included
This coolant tank reservoir is designed as a direct OEM-style replacement for select Kenworth and Peterbilt trucks. Manufactured to factory specifications, it ensures proper coolant storage, pressure regulation, and reliable engine cooling performance in heavy-duty applications.
FITMENT:
2010–2018 Peterbilt 348
2008–2022 Peterbilt 365
2008–2022 Peterbilt 367
2008–2022 Peterbilt 377
2008–2017 Peterbilt 382
2008–2016 Peterbilt 384
2008–2014 Peterbilt 385
2008–2016 Peterbilt 386
2008–2015 Peterbilt 388
2008–2022 Peterbilt 389
2008–2015 Kenworth T600
2008–2020 Kenworth T660
2008–2022 Kenworth T800
2008–2022 Kenworth W900
Position: Engine Coolant Reservoir Tank
REPLACES OEM PART NUMBERS:
603-5403
6035403
N5346001
INCLUDES:
1 × Coolant Tank Reservoir
1 × Coolant Cap
1 × Coolant Level Sensor
INSTALLATION:
Direct replacement – no modification required
Uses factory mounting locations
Professional installation recommended
QUALITY:
High-quality, heat-resistant construction
Designed for heavy-duty truck applications
Ensures proper coolant flow and pressure control
| Brand | Reference Numbers |
|---|---|
| Kenworth |
K221‑611‑1, |
| Inner Box | |||
|---|---|---|---|
| Longest Side | Median Side | Shortest Side | Weight |
| 22.05" | 14.17" | 13.78" | 22.60 lbs |
No outer box information is available for this product.