Peterbilt 389 Coolant Hoses 2006–2024
Silicone coolant hoses, radiator hoses and molded elbows — 4-ply reinforced replacements matched by inner diameter and OEM number, the fix for the most common roadside coolant failure. The 389 is Peterbilt's iconic long-hood conventional (2006–2024); owner-operators keep these trucks on the road for decades.
8 results
In StockPartStop
Straight Silicone Coolant Hose - 1.75" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02504S352
OEM D10302508
Cooling System
$47.99View
In StockPartStop
Upper Radiator Hose 2.5" , Fit Kenworth and Peterbild HE9324, 561.75250 , F046006
Part # F04-6006
Cooling System
$29.00View
In Stock
PartStop
Straight Silicone Coolant Hose - 2" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth, Peterbilt & Navistar F02505S352
OEM D10302456
Cooling System
$22.99View
In Stock
PartStop
5-Ring Silicone Coolant Hose Replaces F50-6308, F506308, 28359 - 2.5" ID x 8.875" Length - Fits Peterbilt & Kenworth
OEM F506308
Cooling System
$59.99View
On Order
PartStop
Universal Silicone Hump Hose Coupler - 2" ID x 6" Length - 4-Ply Reinforced for Turbo, Intake & Coolant F02484S352
OEM F02484S352
Cooling System
$21.99View
On Order
PartStop
EGR Silicone Reducer Hose for Cummins ISX15 - 57mm to 48mm ID - Aramid Reinforced with Stainless Steel Ring F02486S352
OEM 3687223
Cooling System
$38.99View
On Order
PartStop
Molded Crankcase Breather Hose - 1.00" ID - Fits Cummins ISX15 & QSX15 - Replaces 4298695, 3427229,F02519S352
OEM 4298695
Cooling System
$52.99View
In StockPartStop
11549 Hose Separator Heavy Duty Trucks 100469D 1004690 10QE125P1 5396-11549
OEM 11549
Cooling System
$13.99View
Every part above carries its own verified fitment — check the OEM / cross-reference number on the listing against your truck, or look up your VIN and we'll match parts to your exact Peterbilt 389. Not sure? Call (253) 600-1351 — we verify fitment before you buy.