Part number lookup
3684449 Replacement Parts
Cross-reference and compare 4 replacement listings for OEM / aftermarket part number 3684449. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
4 Matching Products
PeterbiltNew Engine Water Pump 3683652 3684449 3687590 4385671 45052HD Compatible With International Hx620 Lt625 2017 2018 2019 Lonestar 2014 2015 2016 2017$415.39
CumminsNew Heavy Duty Engine Water Pump 4089910 4920465 4089910Rx Fits Cummins Isx 12 Groove$354.33
CumminsEngine Water Pump 3684449 for Cummins Engine ISX 450ST 550$488.90
CumminsWater Pump 3684449 for Cummins Engine ISX 450ST 550$366.95Part Numbers and Cross References
Applications and Fitment Summary
- Freightliner · 114SD
- Freightliner · Argosy
- Freightliner · Cascadia
- Freightliner · Century Class
- Freightliner · Columbia
- Freightliner · Coronado
- Freightliner · FLD120
- Freightliner · FLD132
- Freightliner · MT55
- Freightliner · XC Modular Rail
- Freightliner · XC Raised Rail
- International · 9300
- International · 9900
- International · 5500I
- International · 5600I
- International · 5900I
- International · 9200
- International · 9200I
- International · 9400I
- International · 9900I
- International · 9900IX
- International · HX520
- International · HX620
- International · LONESTAR
Frequently Asked Questions
What parts replace OEM number 3684449?
This page lists 4 replacement listings indexed under 3684449. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 3684449?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if 3684449 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.