In stock
Part Number | SKU
251997

BlueBird Bus DEF Header | Helical Heater | 10071997

Special Price $1,401.00 Regular Price $9,999.00

Aftermarket DEF Header, brand new—no core required. Direct replacement for OEM #10071997 & more. Built to OEM standards for durability and performance. Backed by manufacturer warranty. 

DEF Header | 10071997

Ensure your diesel engine meets emissions standards with high-quality DEF headers from American Radiator. Our DEF headers are engineered to precisely monitor Diesel Exhaust Fluid (DEF) levels and quality, helping your vehicle maintain optimal performance and avoid costly engine derates. Designed to meet or exceed OEM specifications, these headers fit a wide range of heavy-duty trucks and industrial equipment, providing reliable, long-lasting operation even in harsh conditions.

American Radiator offers fast shipping and expert customer support, making it easy for fleet managers, mechanics, and diesel operators to keep their vehicles running smoothly and in compliance with environmental regulations. Using genuine replacement DEF headers minimizes downtime and repair costs, ensuring your fleet stays on the road longer.

Whether you need a replacement DEF header for Freightliner, Kenworth, Peterbilt, or other popular diesel truck brands, American Radiator has you covered with quality parts at competitive prices. Invest in proven durability and precise DEF system technology—trust American Radiator for all your DEF header needs.

Shop now and experience superior DEF system performance with American Radiator, your trusted source for diesel emission control components.

DEF Header Features:

Designed to meet or exceed OEM specifications
Aftermarket no core charge
2-year/40,000 miles/1200 hours manufacturer warranty (whichever comes first)

Designed For:

BLUEBIRD
Dennis Eagle
Doosan Bobcat
Dynapac
Gillig
HOLLAND BUS
Kalmar Ottawa
Liugong Construction Machinery
Manitou
McNeilus
Oshkosh
Pierce
PowerTraxx Vehicles
SANY
SENNEBOGEN
Terex
Tiffin Motorhomes

Manufacturer Warranty

DuraWRX provides a manufacturer's warranty on its DEF-related products for up to 2 years/40,000 miles/1,200 hours (whichever occurs first). This warranty covers any defects in materials or workmanship. To be eligible for a claim, the end user must register their product purchase on the DuraWRX site. To file a claim, customers must contact DuraWRX to receive a return shipping label. Once the product is returned and the claim is approved, DuraWRX will issue either a refund or a credit.

DEF Header Specs:

DEF Header Height: 18"
DEF Return Fitting: 3/8"
Coolant Outlet Fitting: 5/8"
DEF Suction Fitting: 3/8"
Coolant Inlet Fitting: 5/8"
In-Tank Filter: 40 Micron
Electrical Connector: Deutsch DT4
Sensor Type: Digital
Tank Interface: 4.05 DIA Bore Seal

Please confirm your OEM or Aftermarket number matches before ordering.

066900101  
10049766  
10060598  
10071997  
1554670  
1604688  
185152  
3136685  
3350441  
3350441  
4812011675  
4812011675  
4812073636  
50220849  
502373  
50312250  
60C3325  
82-67123-000  
8267123000  
82-88414-000  
8288414000  
83-01116-000  
8301116000  
83-09271-000  
8309271000  
853030184  
853030189  
924532.0004  
DEP106308  
DM601-1800F766  
DM6011800F766  
SP199819  
TR1700-634-01  
TR170063401  
46697828  
46858813

Shipping & Returns

Famous Same-Day Shipping: In-stock items typically ship the same day when ordered by 3 PM CST Monday through Friday

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 DEF Header, we’re committed to providing durable, cost-effective solutions that perform.

Have questions? Contact our experienced inside sales team at 888-483-5763 for expert guidance and fast, friendly support.

More Information
Part Number | SKU 251997
OEM | Aftermarket Numbers 066900101  10049766  10060598  10071997  1554670  1604688  185152  3136685  3350441  3350441  4812011675  4812011675  4812073636  50220849  502373  50312250  60C3325  82-67123-000  82-88414-000  83-01116-000  83-09271-000  853030184  924532.0004  DEP106308  DM601-1800F766 SP199819 TR1700-634-01 46697828 46858813 ASP4310-6600718 ASP43106600718

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