Coolant Reservoir Tank for Peterbilt 389 589 567 (2018–Current) – With Cap & Sensor
OEM Part Number: T1673008
Cross References: T1673009, N5346001, 603-5403, 575.1026
✅ Product Overview:
This high-quality coolant reservoir tank is a direct-fit replacement for Peterbilt 389, 589, and 567 models from 2018 to current. Designed for durability and precision, it includes a coolant cap and sensor—everything needed for a simple, ready-to-install solution.
Built with heavy-duty leak-resistant plastic, and backed by rigorous testing, this tank meets the demands of commercial truck applications. All units are tested at 20 PSI for leaks, meet IATF 16949 quality standards, and are validated through our Thousand Truck Fitting Test (TTFT) for real-world reliability.
🚚 Vehicle Compatibility:
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Peterbilt 389 – 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025+
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Peterbilt 589 – 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025+
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Peterbilt 567 – 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025+
🔍 Fitment based on OEM T1673008. Please confirm part number or contact us with your VIN to verify compatibility.
📦 What’s Included:
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✅ Coolant Reservoir Tank
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✅ Coolant Level Sensor
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✅ Coolant Tank Cap
🛠 Key Features:
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✅ Direct replacement for OEM T1673008
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✅ Made from heavy-duty plastic to resist heat and prevent leaks
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✅ Includes sensor and cap pre-installed
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✅ Passes 20 PSI leak test on 100% of units
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✅ Certified to IATF 16949 automotive quality standards
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✅ Verified fit through Thousand Truck Fitting Test (TTFT)
⚠️ Important Fitment Warning:
This tank is engineered with one large pipe connection and one small pipe connection.
It is not compatible with cooling systems that use two small pipe connections.
Please confirm your hose port sizes before purchasing.
🔁 OEM & Cross-Reference Numbers:
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T1673008
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T1673009
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N5346001
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603-5403 (Dorman)
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575.1026 (Automann)
💬 Questions?
Need to confirm fitment? Message us with your OEM number or VIN — our team is happy to assist!