KENWORTH | PETERBILT RADIATOR: 2008-2013 384, 386: 2008-2014 W900
High quality aftermarket Kenworth/Peterbilt radiator. Replaces OEM 201001 & more. Built to OEM standards for long lasting performance and backed by a 2-year warranty. For same radiator with frame see 558884AF.
KENWORTH | PETERBILT RADIATOR: 2008-2013 384, 386: 2008-2014 W900
Keep your truck on the road with the American Radiator Peterbilt 386 / Kenworth W900 radiator, designed for 2008–2010 models. Built with a durable plastic tank aluminum core, this OEM radiator replacement ensures long-lasting performance and efficient cooling in the toughest operating conditions. Engineered with a two-row downflow core, it provides maximum heat dissipation to keep your engine at optimal temperatures, reducing the risk of overheating and extending engine life. Measuring 36 inches in height and 36 3/4 inches in width, this radiator is manufactured to exact specifications for a direct-fit installation with no modifications required. The 2 1/2 inch inlet located on the upper left and 2 1/2 inch outlet positioned on the lower right allow seamless integration with factory connections, ensuring proper fit and reliable operation. Lightweight yet strong, the plastic tanks combined with the aluminum core deliver both strength and efficiency. Backed by a two-year unlimited mileage warranty, the American Radiator Peterbilt 386 radiator and Kenworth W900 radiator provide dependable cooling and peace of mind for owner-operators and fleets. Trust this heavy-duty truck radiator to deliver consistent performance, superior durability, and reduced downtime mile after mile.
Please confirm your OEM or Aftermarket number matches before ordering.
559186A
559186
7700-21
770021
CTVTU8373-4
239186
201001
SRM7721
PET20
PB66
FLX00529
N4028001
F3160921102130
F3160921201310
F3160921002130
F3160921022130
F3160921101010
F3160921101310
F3160921101320
F3160921102310
F3160921111010
F3160921111310
F3160921111320
F3160921112130
F3160921112310
F3160921121010
F3160921121310
F3160921121320
F3160921122130
F3160921122310
F3160921202310
F3160921211310
F3160921212310
F3160921214310
M3265001
F3160922111510
N4028004
BHTH4102
H4102
238648
239186
F31-6092-210151
F316092210151
2101510
558884AF
Shipping & Returns
Why Buy From American Radiator?
Trust American Radiator, your reliable source for quality cooling solutions since 2001. With roots in the industry dating back to the 1970s, our team brings decades of experience delivering high-performance radiators, charge air coolers, and DPF systems at competitive prices.
We work directly with trusted domestic and international manufacturers that supply OEM-grade components, ensuring every product meets or exceeds original equipment standards. Whether you need a heavy-duty truck radiator or a replacement for your Kenworth/Peterbilt radiator, we’re committed to providing durable, cost-effective solutions that perform.
Have questions? Contact our experienced inside sales team at 877-203-4572 for expert guidance and fast, friendly support.
| Part Number | SKU | 559186A |
|---|---|
| Make | KENWORTH, PETERBILT |
| Material | PLASTIC / ALUMINUM |
| Type | DOWNFLOW |
| Framework | NO |
| Core Height | 36" |
| Core Width | 36-1/8" |
| Inlet | 2-1/2" UPPER LEFT |
| Outlet | 2-1/2" LOWER RIGHT AT 11-1/2" |
| Rows | 2 |
| Oil Cooler | NO |
| Depth | 2-1/16" |
| Warranty | 2-YEAR UNLIMITED MILEAGE WARRANTY COVERING MANUFACTURER DEFECTS. |
| OEM | Aftermarket Numbers | 559186A 559186 7700-21 770021 CTVTU8373-4 239186 201001 SRM7721 PET20 PB66 FLX00529 N4028001 F3160921102130 F3160921201310 F3160921002130 F3160921022130 F3160921101010 F3160921101310 F3160921101320 F3160921102310 F3160921111010 F3160921111310 F3160921111320 F3160921112130 F3160921112310 F3160921121010 F3160921121310 F3160921121320 F3160921122130 F3160921122310 F3160921202310 F3160921211310 F3160921212310 F3160921214310 M3265001 F3160922111510 N4028004 BHTH4102 H4102 238648 239186 F31-6092-210151 F316092210151 2101510 558884AF |
| Notes | PIN AND CLIP SET WILL BE INCLUDED; THREADED VENT ON TOP TANK: STRAIGHT OUTLET FACING DOWN ON BOTTOM TANK |





