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SKU:
NLT2S00945
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DEF Tank Header 04-35649-002 for Freightliner Cummins Applications
$589.39
In Stock
$589.39
Sale price
$589.39
Regular price
This DEF tank header replaces part number #04-35649-002 on select Freightliner trucks equipped with the matching diesel exhaust fluid tank. It is intended for the specified six-bolt header and sensor arrangement.
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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Freightliner Cummins-equipped trucks with 04-35649-002 six-bolt / 6-gallon DEF-header configuration
- Certain 2018–2021 Cummins ISB 6.7L, ISL and L9 truck applications — verify VIN and tank
Product Overview
The DEF header carries tank-level and related sensor connections used by the aftertreatment system. Sensor failures can trigger DEF warnings or derate messages even when the tank still contains fluid.
Freightliner used several header generations and tank configurations. Confirm tank capacity, flange, bolt count, electrical connection and any revised sensor design before installation.
Key Features & Performance
- Six-bolt DEF tank header application
- Fuel/aftertreatment sensor assembly, not a fuel pump
- Match 6-gallon tank and electrical connector
Replaces / Cross-References
- 04-35649-002
- 04-31354-003
- 04-31354-004
What Is Included
One replacement component or assembly, unless the supplier package specifies otherwise.
Fitment Notes
Freightliner service documentation shows multiple header revisions. Numbers 04-31354-003 and 04-31354-004 appear in replacement references, but exact interchange depends on the applicable tank/system upgrade.
Common Reasons for Replacement
- DEF level or sensor faults
- Aftertreatment warnings from a failed header
- Replacement following electrical and sensor diagnosis
Frequently Asked Questions
Is this an OEM part? No. Unless specifically identified otherwise, this is an aftermarket replacement or accessory. Brand names and part numbers identify the intended application, not manufacturer authorization.
How do I confirm fitment? Freightliner service documentation shows multiple header revisions. Numbers 04-31354-003 and 04-31354-004 appear in replacement references, but exact interchange depends on the applicable tank/system upgrade.
Part Summary
keywords: DEF Tank Header 04-35649-002 for Freightliner Cummins Applications, 04-35649-002, 04-31354-003, 04-31354-004, Freightliner Cummins-equipped trucks with 04-35649-002 six-bolt / 6-gallon DEF-header configuration, Certain 2018–2021 Cummins ISB 6.7L, ISL and L9 truck applications, DEF level or sensor faults, Aftertreatment warnings from a failed header
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.