HT250403  - Kenworth / Peterbilt Coolant Reservoir, fits T660, T800, T2000 & others

N5346001, 603-5403, 6035403 603-5403, Peterbilt 379 Expansion Tank, N5346001 603-5403, 6035403 Dorman Products, Inc.

HT250403  Kenworth / Peterbilt Coolant Reservoir, fits T660, T800, T2000 & others This engine Coolant Reservoir with Behr cooling module fits the Kenworth T660, T800, and T2000 as well as various Peterbilt models for years 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, & 2015. Please check your OEM number for the Coolant Reservoir before you order. The primary OE number is N5346001. Designed for enduring use. It resists the expansion and cracking that extreme temperature fluctuations can cause. Plus, the durable plastic construction prevents coolant fluid loss.


HT250403 - Kenworth / Peterbilt Coolant Reservoir, fits T660, T800, T2000 & others

Regular price $220.00 Sale

Limited 1-year Warranty. Unlimited mileage


Order before 1:00 CST and we will do our best to ship it out the same day!
And you will get it in 1-4 days – depending upon your location.

NOTE: all radiators and charge air coolers must be shipped on a pallet, and must be shipped to a verified commercial address – non-residential, non-rural/farm address.
If you don’t have a commercial address, that’s OK. We can still find a place near you to ship your product. Call us at 844-463-HTRP (4877) for more information.

Why buy from HTRP:

You can SAVE BIG when you buy the aftermarket product, and still get the same quality product – if not better!

Our after market products meet or EXCEED the quality of the original equipment (OE).

Aftermarket products have already fixed problems that may have existed with the original equipment (OE). Plus, the aftermarket manufacturer uses their knowledge of the OE product performance, and many times, make product improvements.

Save money when you buy aftermarket products.

We have your back.

If you have any problem or any question regarding the product, please do not hesitate to contact us. We’re here for you.

Quality Products. Great Prices.